AD6655-125EBZ

ዐೕ‫ݴ‬णথ๭ഗ AD6655 ዷᄲ༬Ⴀ ᆌᆩ ႑ሯԲǖ74.5 dBc (75.5 dBFS)Lj32.7 MHz ‫੻ټ‬Ă70 MHz @150 MSPS ࿮ሗො‫ۯ‬ༀ‫(ྷݔ‬SFDR)ǖ80 dBcLj70 MHz@150 MSPS 1.8 Vఇె‫ۉ‬ᇸࠃ‫ۉ‬ 1.8 V዁3.3 V CMOS๼‫ۉ؜‬ᇸई1.8 V LVDS๼‫ۉ؜‬ᇸ 1዁8ኝຕ๼෇้ዓ‫ݴ‬ೕഗ ण‫ׯ‬ມཚ‫ڢ‬ADC ֑ᄣ໏୲ፌߛ‫ٳ‬150 MSPS ዐೕ֑ᄣೕ୲‫ٳ‬450 MHz ADCాևएጚ‫ۉ‬უᇸ ण‫ׯ‬ADC֑ᄣԍ‫׼‬๼෇ ଳऄ‫ڦ‬ఇె๼෇‫ྷݔ‬ǖ1 V p-p዁2 V p-p ADC้ዓ቞੣Բ࿘ۨഗ 95 dBཚ‫߰ڢ‬૗/‫ز‬ඡ ण‫ټ੻ڦׯ‬ຕጴူՎೕഗ(DDC) 32࿋ްຕຕ੦ና‫ږ‬ഗ(NCO) ӷ‫؏ټ‬ൽ୳հഗᇑFIR୳հഗ ኧ‫ํ׼‬ຕࢅްຕ๼‫؜‬ఇ๕ ੺໏ഔ‫ۯ‬/ពኵॠ֪࿋ ްࢇ႑ࡽ॔੦ বీ‫ۉۖڦ‬ఇ๕ ཚ႑ ‫ݴ‬ण࿮၍‫ۉ‬ဣཥ ‫ܠ‬ఇ๕ຕጴথ๭ഗ(3G) TD-SCDMAĂWiMaxĂWCDMAĂCDMA2000ĂGSMĂ EDGEĂLTE I/Q঴ۙဣཥ ዇ీཀ၍ဣཥ ཚᆩ෉ॲ࿮၍‫ۉ‬ ੻‫ټ‬ຕ਍ᆌᆩ ׂ೗਋ঋ 1. 2. 3. 4. 5. 6. 7. ण‫ׯ‬ມཚ‫ڢ‬Ă14࿋150 MSPS ADCă ण‫؏ټ੻ׯ‬ൽ୳հഗࢅ32࿋ްຕNCOă ੺໏‫ג‬ଉ‫ײ‬ॠ֪ࢅ‫زټ‬ႜ๼‫ڦ؜‬႑ࡽ॔੦ă ൽ‫ڥ‬ጆ૧‫ݴֶڦ‬๼෇ሞፌߛ዁450 MHz‫ڦ‬๼෇ೕ୲ူ ධԍ‫؜׼‬෥‫ڦ‬႑ሯԲ(SNR)Ⴀీă ଳऄ‫ڦ‬๼‫؜‬ఇ๕LjԈઔ‫܀‬૬CMOSĂ঍‫ٱ‬CMOSĂIQ ఇ๕CMOSࢅ঍‫ٱ‬LVDSă SYNC๼෇੗ሞ‫߲ܠ‬ยԢኮक़ํ၄ཞօă ෙ၍๕SPI‫܋‬੨੗ᆩᇀ‫ܔ‬स٪ഗՊ‫ࢅײ‬स٪ഗ࣮‫܁‬ă ࠀీ઀཮! FD[0:3]A DVDD DRVDD FD BITS/THRESHOLD DETECT CMOS/LVDS OUTPUT BUFFER AD6655 I SHA ADC VIN–A Q LP/HP DECIMATING HB FILTER + FIR VREF SENSE CML RBIAS SIGNAL MONITOR 32-BIT TUNING NCO NCO REF SELECT DUTY CYCLE STABILIZER CLK– DCO GENERATION Q VIN–B SHA ADC VIN+B I AGND MULTI-CHIP SYNC FD BITS/THRESHOLD DETECT SYNC FD[0:3]B LP/HP DECIMATING HB FILTER + FIR SIGNAL MONITOR DATA PROGRAMMING DATA SIGNAL MONITOR INTERFACE SPI SMI SMI SMI SDFS SCLK/ SDO/ PDWN OEB SDIO/ SCLK/ CSB DCS DFS NOTES 1. PIN NAMES ARE FOR THE CMOS PIN CONFIGURATION ONLY; SEE FIGURE 10 FOR LVDS PIN NAMES. D0A CLK+ DIVIDE 1 TO 8 fADC /8 D13A DCOA DCOB D13B D0B DRGND 06709-001 VIN+A CMOS OUTPUT BUFFER AVDD ཮1 Rev. A Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2007–2009 Analog Devices, Inc. All rights reserved. ADIዐ࿔Ӳຕ਍๮֩๟ᆈ࿔Ӳຕ਍๮֩‫ڦ‬ᅳ࿔Lj৤൩ଌ঴‫݋‬ᅳዐ੗ీ٪ሞ‫ڦ‬ᇕჾፇኯई‫݋‬ᅳ‫ٱ‬ဃLjADIփ‫݋ܔ‬ᅳዐ٪ሞ‫ֶڦ‬ᅴईᆯׂُิ‫ٱڦ‬ဃ޶ሴăසႴඓණඪࢆَᇕ‫ڦ‬ጚඓႠLj൩֖੊ADI༵ࠃ ‫ڦ‬ፌႎᆈ࿔Ӳຕ਍๮֩ă AD6655 ణ୤ ༬Ⴀ 1 ຕ੦ና‫ږ‬ഗ(NCO) 38 ᆌᆩ 1 ! ೕ୲Վ࣑ 38 ׂ೗਋ঋ 1 NCOཞօ 38 ࠀీ઀཮ 1 Ⴊ۩૦๏ 3 ߁ຎ 4 ӷ‫؏ټ‬ൽ୳հഗᇑFIR୳հഗ 39 रຍࡀ߭ 5 ! ӷ‫୳ټ‬հഗဣຕ 39 ADC኱ୁࡀ߭ljAD6655BCPZ-80/ ! ӷ‫୳ټ‬հഗ༬Ⴀ 39 AD6655BCPZ-105 ! ࠦۨဣຕFIR୳հഗ 39 ! ཞօ 40 ! ፇࢇ୳հഗႠీ 40 ADC঍ୁࡀ߭ljAD6655BCPZ-80/ ! ፌዕNCO 40 AD6655BCPZ-105 ADC‫ג‬ଉ‫ײ‬ᇑሺᅮ੦዆ 41 ! ੺໏ॠ֪߁ຎ 41 ADC੺໏‫܈ޗ‬ 41 ADC‫ג‬ଉ‫(ײ‬OR) 42 5 ADC኱ୁࡀ߭ljAD6655BCPZ-125/ AD6655BCPZ-150 6 7 ADC঍ୁࡀ߭ljAD6655BCPZ-125/ AD6655BCPZ-150 ! ຕጴࡀ߭ljAD6655BCPZ-80/AD6655BCPZ-105 ! ຕጴࡀ߭ljAD6655BCPZ-125/AD6655BCPZ-150 8 9 ! ၎ᅎ NCO‫܈ޗ‬ᇑ၎࿋ඡ‫ۯ‬ 38 38 11 ! ሺᅮਸ࠲ 42 ! ਸ࠲ࡀ߭ljAD6655BCPZ-80/AD6655BCPZ-105 13 ႑ࡽ॔੦ 44 ! ਸ࠲ࡀ߭ljAD6655BCPZ-125/AD6655BCPZ-150 14 ! ‫ރ‬ኵॠ֪ഗఇ๕ 44 ! ้Ⴞࡀ߭ 15 ਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵ ! ඤ༬Ⴀ ESDয়ߢ ᆅগದዃࢅࠀీ௮ຎ RMS/MS‫܈ޗ‬ఇ๕ 44 18 ! ࡗ݅ኵఇ๕ 45 18 ! ޹े੦዆࿋ 45 18 ! ኱ୁၯኟ 45 19 ! ႑ࡽ॔੦SPORT๼‫؜‬ 46 ‫ڪ‬ၳ‫ۉ‬ୟ 23 ཚ‫ڢ‬/ႊೌཞօ 47 ‫ۆ‬႙߾ፕ༬Ⴀ 24 ‫ز‬ႜ‫܋‬੨থ੨(SPI) 48 ߾ፕᇱ૙ 29 ! ๑ᆩSPI‫ڦ‬ದዃ 48 29 ! ᆘॲথ੨ 48 ! ఇె๼෇੊୯ 29 ! փ๑ᆩSPI‫ڦ‬ದዃ 49 ! एጚ‫ۉ‬უᇸ 31 ! ้ዓ๼෇੊୯ 32 ٪‫ئ‬ഗᆙพ 50 ! ࠀࡼࢅ‫ځ‬ऐఇ๕ ADCॐࠓ SPI‫ݡ‬࿚༬Ⴀ 49 34 ! ‫܁‬ൽ٪‫ئ‬ഗᆙพस٪ഗ՗ 50 ! ຕጴ๼‫؜‬ 35 ! ٪‫ئ‬ഗᆙพस٪ഗ՗ 51 ຕጴူՎೕഗ 37 ! ٪‫ئ‬ഗᆙพस٪ഗ௮ຎ 55 ! ူՎೕഗఇ๕ 37 ᆌᆩ႑တ 59 ! ຕ੦ና‫ږ‬ഗ(NCO) 37 ! ยऺኸళ 59 37 ೠࠚӱ 61 37 ! ‫ۉ‬ᇸ 61 ! ӷ‫؏ټ‬ൽ୳հഗᇑFIR୳հഗ fADC/8ࠦۨೕ୲NCO Rev. A | Page 2 of 88 AD6655 ๼෇႑ࡽ 61 ! ᇱ૙཮ 64 ๼‫؜‬႑ࡽ 61 ! ೠࠚӱքਆք၍ 74 ఐණ֡ፕᇑཌ၍჋ስยዃ 62 ! ࿿ଙൣ‫ڇ‬ 82 ੗჋้ዓದዃ 62 ྔႚ؅٫ 84 ੗჋ఇె๼෇ൻ‫ۯ‬ದዃ 63 ! ۩ࠔኸళ 85 Ⴊ۩૦๏ 2009౎9ሆ—Ⴊ۩Ӳ0዁Ⴊ۩ӲA ཮9ࢅ՗12ዐሺे஋୞ࡰಎጀ๥ 19 ཮10ࢅ՗13ዐሺे஋୞ࡰಎጀ๥ 21 ߸ႎྔႚ؅٫ 84 ߸߀۩ࠔኸళ 85 2007౎11ሆ—Ⴊ۩Ӳ0ǖ‫؛‬๔Ӳ Rev. A | Page 3 of 88 AD6655 ߁ຎ AD6655๟ᅃ੼ंೕ႑ࡽዐೕথ๭ഗLjాዃມཚ‫ڢ‬Ă14࿋Ă 80 MSPS/105 MSPS/125 MSPS/150 MSPS ADCࢅᅃ߲੻‫ټ‬ຕ ጴူՎೕഗ(DDC)Ljኼሞྺ‫ׯگ‬ԨĂၭ؅٫Ă‫ీࠀܠ‬ཚ႑ ᆌᆩ༵ࠃ঴ਦ‫ݛ‬ӄă ኄ੼ມཚ‫ڢ‬ADC֑ᆩ‫ܠ‬पĂֶ‫ୁݴ‬຤၍ॐࠓLjժण‫ׯ‬କ๼ ‫؜‬ৰ‫ٱ‬இडă௅߲ADC਩ದᆶ੻‫੻ټ‬Ăֶ‫֑ݴ‬ᄣԍ‫׼‬ఇె ๼෇‫ٷݣ‬ഗLjኧ‫׼‬ᆩࢽ੗჋‫߳ڦ‬ዖ๼෇‫ྷݔ‬ăण‫ׯ‬एጚ‫ۉ‬ უᇸ੗०ࣅยऺă቞੣Բ࿘ۨഗ੗ᆩઠց‫׋‬ADC้ዓ቞੣ Բ‫ڦ‬հ‫ۯ‬Lj๑ገ࣑ഗԍ‫؜׼‬෥‫ڦ‬Ⴀీă ADCຕ ਍ ๼ ‫ ܋ ؜‬ሞ ా և ኱ থ ᇑ থ ๭ ഗ ‫ ڦ‬ຕ ጴ ူ Վ ೕ ഗ (DDC)၎૶Ljᅜ०ࣅքਆĂই‫૶ࢻگ‬सิၳᆌăມཚ‫ڢ‬ຕ ጴথ๭ഗਏᆶଳऄ‫تڦ‬૙ీ૰ă௅߲থ๭ཚ‫ڢ‬ᆶ4߲प૴ ‫ڦ‬႑ࡽ‫ت‬૙पǖᅃ߲32࿋ೕ୲ገ࣑ഗ(ຕ੦ና‫ږ‬ഗLj०‫ྺ׬‬ NCO)Ljᅃ߲ӷ‫؏ټ‬ൽ୳հഗLjᅃ߲ۨ‫ۅ‬FIR୳հഗࢅᅃ߲ fADC/8ࠦۨೕ୲NCOă ‫أ‬କದᆶথ๭ഗDDCLjAD6655࣏ਏԢഄ໱ࠀీLjీ०ࣅ ဣཥথ๭ഗ‫ڦ‬ጲ‫ۯ‬ሺᅮ੦዆(AGC)ă੺໏ॠ֪༬Ⴀ੗ᅜཚ ࡗ๼‫຺؜‬࿋๼෇‫ۉ‬ೝ႑တሞट‫ڦ܌‬ჽ‫ํా׿‬၄੺໏‫ג‬ଉ‫ײ‬ ॠ֪ă ُྔLj૧ᆩADC‫ڦ‬4߲੺໏ॠ֪࿋Lj੗Պ‫ײ‬ពኵॠ֪ഗ੗ ᅜሞट‫ڦ܌‬ჽ‫॔ా׿‬੦๼෇႑ࡽࠀ୲ăසࡕ๼෇႑ࡽ‫ۉ‬ೝ ‫ࡗג‬੗Պ‫ײ‬ពኵLjٚۙពኵฉ၌ኸ๖ഗ৽ࣷՎྺߛăᆯᇀ ޿ពኵኸ๖ഗ‫ڦ‬ჽ‫׿‬ट‫܌‬LjᅺُLjᆩࢽీࠕ੺໏ۙ‫گ‬ဣཥ ሺᅮLjܸٗՆ௨‫؜‬၄‫ג‬ଉ‫ײ‬၄ၡă ‫߲ܾڼ‬ᇑAGC၎࠲‫ీࠀڦ‬๟႑ࡽ॔੦ă޿ఇ੷ሎႹᆩࢽ॔ ੦๼෇႑ࡽ‫܈ޗࢇްڦ‬LjኄᆶዺᇀยዃሺᅮLjᅜᆫࣅဣཥ ኝ༹‫ۯڦ‬ༀ‫ྷݔ‬ă ঢ়ࡗຕጴ‫ت‬૙ኮࢫLjຕ਍੗ᅜ኱থໃ዁ଇ߲ྔև14࿋๼‫؜‬ ‫܋‬੨Lj๼‫ۉ؜‬უ੗ยዃྺ1.8 V዁3.3 V CMOSई1.8 V LVDSă ଷྔLjCMOSຕ਍࣏੗ᅜৈ૧ᆩ‫܋‬੨ALjཚࡗ঍‫ٱ‬ದዃLj ᅜມԠຕ਍໏୲๼‫؜‬ă AD6655থ๭ഗీࠕ‫ڦ੻࢔ܔ‬ዐೕೕ೷৊ႜຕጴࣅ‫ت‬૙ă௅ ߲থ๭ഗ਩ยऺᆩઠཞ้থ๭ዷཚ‫ݴࢅڢ‬णཚ‫ڦڢ‬႑ࡽă ޿IF֑ᄣॐࠓᇑ‫د‬ཥ‫ڦ‬ఇెरຍईড‫گ‬ण‫ڦ܈ׯ‬ຕጴ‫݆ݛ‬ ၎ԲLjీ‫܈ޗٷ‬ই‫گ‬ഗॲ‫ׯڦ‬Ԩࢅްሗ‫܈‬ă Ⴔᄲ้Ljଳऄ‫ۉۖڦ‬჋ၜ੗ᅜ௽၂ই‫ࡼࠀگ‬ă ยዃᇑ੦዆Պ‫ײ‬੗ᅜ૧ᆩෙ၍๕SPIग़ඹ႙‫ز‬ႜথ੨ઠྜ ‫ׯ‬ă AD6655֑ᆩ64ᆅগLFCSP‫ހ‬ጎLj‫ۨܮ‬࿒‫ྺྷݔ܈‬−40°C዁ +85°C߾ᄽ࿒‫ྷݔ܈‬ă Rev. A | Page 4 of 88 AD6655  रຍࡀ߭ ADC኱ୁࡀ߭ljAD6655BCPZ-80/AD6655BCPZ-105 ‫ݥأ‬ଷᆶຫ௽LjAVDD = 1.8 VĂDVDD = 1.8 VĂDRVDD = 1.8 VĂፌ‫֑ٷ‬ᄣ໏୲ĂVIN = −1.0 dBFS ֶ‫ݴ‬๼෇Ă1.0 Vాևएጚ ‫ۉ‬უĂDCS๑ీă ՗1 ֖ຕ! ࿒‫܈‬ ඇ!! ৛‫܈‬ ! ࿮฿ஓ ! ฿ۙဃֶ ! ሺᅮဃֶ ೅ದ༬Ⴀ! ! ฿ۙဃֶ! ! ሺᅮဃֶ! ࿒‫܈‬೏ᅎ! ! ฿ۙဃֶ! ! ሺᅮဃֶ! ాև֖੊‫ۉ‬უ ! ๼‫ۉ؜‬უဃֶ(1 Vఇ๕) ! ޶ሜۙኝ୲@ 1.0 mA ‫ڪ‬ၳ๼෇ሯำ VREF = 1.0 V ఇె๼෇ ! ๼෇‫ྷݔ‬LjVREF = 1.0 V ! ๼෇‫ۉ‬ඹ 1 VREF๼෇ፆੇ ‫ۉ‬ᇸ ! ‫ۉ‬ᇸ‫ۉ‬უ AVDDĂDVDD DRVDDDŽCMOSఇ๕Dž DRVDDDŽLVDSఇ๕Dž ! ‫ۉ‬ᇸ‫ୁۉ‬ IAVDD2, 3 2, 3 IDVDD IDRVDD2(3.3 V CMOS) IDRVDD2(1.8 V CMOS) IDRVDD2(1.8 V LVDS) ࠀࡼ ! ኱ୁ๼෇ ! ኟ၀հ๼෇2(DRVDD = 1.8 V) ! ኟ၀հ๼෇2(DRVDD = 3.3 V) ! ‫ځ‬ऐࠀࡼ4 ! ۖ‫ࡼࠀۉ‬ 1 2 3 4 ඇ! ඇ! ඇ! AD6655BCPZ-80 ፌၭኵ ‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ 14 AD6655BCPZ-105 ፌၭኵ ‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ 14 ԍኤ! ‫ڇ‬࿋! ࿋ ԍኤ! ±0.2 −1.8 ±0.6 −0.1 25°C 25°C ±0.2 ±0.2 ±0.6 ±0.75 ඇ! ඇ!! ±15 ±95 ඇ! ඇ!! ±5 7 25°C 0.85 0.85 LSB rms ඇ! ඇ! ඇ! 2 8 6 2 8 6 V p-p pF kΩ ඇ! ඇ! ඇ! −3.6 1.7 1.7 1.7 1.8 3.3 1.8 ඇ! ඇ! ඇ! ඇ! ඇ! 235 175 18 8 55 ඇ! ඇ! ඇ! ඇ! ඇ! 470 755 800 52 2.5 −4.3 ±0.2 −2.2 ±0.6 −0.5 % FSR % FSR ±0.2 ±0.2 ±0.6 ±0.75 % FSR % FSR ±15 ±95 ±18 1.9 3.6 1.9 420 490 8 ±5 7 1.7 1.7 1.7 1.8 3.3 1.8 315 225 21 11 56 620 995 1040 68 2.5 ๼෇‫ۉ‬ඹኸᅃֶ߲‫ݴ‬๼෇ᆅগᇑAGNDኮक़‫ڦ‬ᆶၳ‫ۉ‬ඹă‫ڪ‬ၳఇె๼෇঳ࠓ९཮11ă ֪ଉཉॲྺǖ9.7 MHz஢ଉ‫ײ‬ኟ၀հ๼෇Ă13 MHzೕ୲NCO๑ీĂFIR୳հഗ๑ీĂfS/8๼‫ं؜‬ೕ๑ీĂ௅߲๼‫؜‬࿋‫޶ڦ‬ሜሀྺ5 pFă ፌ‫ٷ‬၌ኵ๢ᆩᇀIAVDD‫ୁۉ‬ᇑIDVDD‫ڦୁۉ‬ፇࢇă ‫ځ‬ऐࠀࡼ‫֪ڦ‬ଉཉॲྺǖ኱ୁ๼෇ĂCLKᆅগ࿮ၳ(ยྺAVDDईAGND)ă Rev. A | Page 5 of 88 ppm/°C ppm/°C ±18 1.9 3.6 1.9 575 650 8 mV mV V V V mA mA mA mA mA mW mW mW mW mW AD6655 ADC኱ୁࡀ߭ljAD6655BCPZ-125/AD6655BCPZ-150 ‫ݥأ‬ଷᆶຫ௽LjAVDD = 1.8 VĂDVDD = 1.8 VĂDRVDD = 1.8 VĂፌ‫֑ٷ‬ᄣ໏୲ĂVIN = −1.0 dBFS ֶ‫ݴ‬๼෇Ă1.0 Vాևएጚ ‫ۉ‬უĂDCS๑ీă ՗2 ֖ຕ! ࿒‫܈‬ ፌၭኵ ‫ݴ‬Ր୲! ඇ!! 14 ৛‫!܈‬ ! ࿮฿ஓ! ! ฿ۙဃֶ! ! ሺᅮဃֶ! ೅ದ༬Ⴀ! ! ฿ۙဃֶ! ! ሺᅮဃֶ! ࿒‫܈‬೏ᅎ! ! ฿ۙဃֶ! ! ሺᅮဃֶ! ాև֖੊‫ۉ‬უ ๼‫ۉ؜‬უဃֶ(1 Vఇ๕) ޶ሜۙኝ୲@ 1.0 mA ‫ڪ‬ၳ๼෇ሯำ VREF = 1.0 V ఇె๼෇ ! ๼෇‫ྷݔ‬LjVREF = 1.0 V ! ๼෇‫ۉ‬ඹ 1 VREF๼෇ፆੇ ‫ۉ‬ᇸ ! ‫ۉ‬ᇸ‫ۉ‬უ AVDDĂDVDD DRVDD)CMOSఇ๕* DRVDD)LVDSఇ๕* ! ‫ۉ‬ᇸ‫ୁۉ‬ IAVDD2, 3 2, 3 IDVDD 2 DRVDD 2 DRVDD 2 DRVDD I I I (3.3 V CMOS) (1.8 V CMOS) (1.8 V LVDS) ࠀࡼ ! ኱ୁ๼෇ ! ኟ၀հ๼෇2(DRVDD = 1.8 V) ! ኟ၀հ๼෇2(DRVDD = 3.3 V) ! ‫ځ‬ऐࠀࡼ4 ! ۖ‫ࡼࠀۉ‬ 1 2 3 4 ඇ! ඇ! ඇ! AD6655BCPZ-125 ‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ AD6655BCPZ-150 ፌၭኵ ‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ ‫ڇ‬࿋! 14 ࿋ ԍኤ! ԍኤ! ±0.3 −2.7 ±0.6 −0.8 25°C 25°C ±0.3 ±0.1 ±0.7 ±0.7 ඇ! ඇ!! ±15 ±95 ඇ! ඇ!! ±5 7 25°C 0.85 0.85 LSB rms ඇ! ඇ! ඇ! 2 8 6 2 8 6 V p-p pF kΩ ඇ! ඇ! ඇ! −4.7 1.7 1.7 1.7 1.8 1.8 1.8 ඇ! ඇ! ඇ! ඇ! ඇ! 390 270 26 13 57 ඇ! ඇ! ඇ! ඇ! ඇ! 770 1215 1275 77 2.5 −5.1 ±0.2 −3.2 ±0.6 −1.0 % FSR % FSR ±0.2 ±0.2 ±0.7 ±0.8 % FSR % FSR ±15 ±95 ±18 1.9 3.6 1.9 705 810 8 ±5 7 1.7 1.7 1.7 1.8 1.8 1.8 440 320 28 17 57 870 1395 1450 77 2.5 ๼෇‫ۉ‬ඹኸᅃֶ߲‫ݴ‬๼෇ᆅগᇑAGNDኮक़‫ڦ‬ᆶၳ‫ۉ‬ඹă‫ڪ‬ၳఇె๼෇঳ࠓ९཮11ă ֪ଉཉॲྺǖ9.7 MHz஢ଉ‫ײ‬ኟ၀հ๼෇Ă13 MHzೕ୲NCO๑ీĂFIR୳հഗ๑ీĂfS/8๼‫ं؜‬ೕ๑ీĂ௅߲๼‫؜‬࿋‫޶ڦ‬ሜሀྺ5 pFă ፌ‫ٷ‬၌ኵ๢ᆩᇀIAVDD‫ୁۉ‬ᇑIDVDD‫ڦୁۉ‬ፇࢇă ‫ځ‬ऐࠀࡼ‫֪ڦ‬ଉཉॲྺǖ኱ୁ๼෇ĂCLKᆅগ࿮ၳ(ยྺAVDDईAGND)ă Rev. A | Page 6 of 88 ppm/°C ppm/°C ±18 1.9 3.6 1.9 805 920 8 mV mV V V V mA mA mA mA mA mW mW mW mW mW AD6655 ADC঍ୁࡀ߭ljAD6655BCPZ-80/AD6655BCPZ-105 ‫ݥأ‬ଷᆶຫ௽LjAVDD = 1.8 VĂDVDD = 1.8 VĂDRVDD = 1.8 VĂፌ‫֑ٷ‬ᄣ໏୲ĂVIN = −1.0 dBFS ֶ‫ݴ‬๼෇Ă1.0 Vాևएጚ ‫ۉ‬უĂDCS๑ీĂNCO๑ీĂӷ‫୳ټ‬հഗ๑ీĂFIR୳հഗ๑ీă ՗3 ֖ຕ1 ࿒‫܈‬ ፌၭኵ AD6655BCPZ-80 ‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ AD6655BCPZ-105 ፌၭኵ ‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ ‫ڇ‬࿋ ႑ሯԲ(SNR) fIN = 2.4 MHz fIN = 70 MHz 25°C 25°C fIN = 140 MHz fIN = 220 MHz 25°C 25°C 74.5 73.4 74.3 73.4 fIN = 2.4 MHz fIN = 70 MHz 25°C 25°C −86 −85 −86 −85 fIN = 140 MHz fIN = 220 MHz 25°C 25°C −84 −83 −84 −83 fIN = 2.4 MHz fIN = 70 MHz 25°C 25°C 86 85 86 85 fIN = 140 MHz fIN = 220 MHz 25°C 25°C 84 83 84 83 25°C 25°C −93 −90 −93 −90 ඇ!! 74.9 74.8 74.8 74.7 73.0 dB dB dB dB dB 73.0 ፌֶ‫ْܾڦ‬/ෙْၿհ ඇ!! −74 −74 dBc dBc dBc dBc dBc ࿮ሗො‫ۯ‬ༀ‫(ྷݔ‬SFDR) ඇ!! 74 dBc dBc dBc dBc dBc 74 ፌֶഄ໲ၿհईሗො2 fIN = 2.4 MHz fIN = 70 MHz 25°C 25°C −89 −86 −89 −86 dBc dBc dBc dBc dBc 25°C 25°C 85 81 95 650 85 81 95 650 dBc dBc dB MHz ඇ!! fIN = 140 MHz fIN = 220 MHz −82 −82 ມᅼ࿮ሗො‫ۯ‬ༀ‫(ྷݔ‬SFDR) fIN = 29.12 MHz, 32.12 MHz (−7 dBFS) fIN = 169.12 MHz, 172.12 MHz (−7 dBFS) ‫ز‬ඡ3 ఇె๼෇‫੻ټ‬ 1 2 3 ඇ!! 25°C සႴକ঴ྜኝ‫ۨڦ‬ᅭLj൩֖ለᆌᆩԴऻAN-835“କ঴ߛ໏ADC֪๬ᇑೠࠚ”ă සႴକ঴AD6655ഄ໲ፌ‫ܠ߸ڦ߭ࡀگ‬႑တLj൩֖ለ“ᆌᆩ႑တ”և‫ݴ‬ă ‫ز‬ඡ‫֪ڦ‬ଉཉॲǖᅃ߲ཚ‫֖ڢ‬ຕྺ−1 dBFSĂ100 MHz൐ଷᅃ߲ཚ‫ڢ‬ฉ࿮๼෇႑ࡽă Rev. A | Page 7 of 88 AD6655 ADC঍ୁࡀ߭ljAD6655BCPZ-125/AD6655BCPZ-150 ‫ݥأ‬ଷᆶຫ௽LjAVDD = 1.8 VĂDVDD = 1.8 VĂDRVDD = 1.8 VĂፌ‫֑ٷ‬ᄣ໏୲ĂVIN = −1.0 dBFS ֶ‫ݴ‬๼෇Ă1.0 Vాևएጚ ‫ۉ‬უĂDCS๑ీĂNCO๑ీĂӷ‫୳ټ‬հഗ๑ీĂFIR୳հഗ๑ీă ՗4 ֖ຕ1 ࿒‫܈‬ AD6655BCPZ-125 ፌၭኵ ‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ AD6655BCPZ-150 ፌၭኵ ‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ ‫ڇ‬࿋ ႑ሯԲ(SNR) fIN = 2.4 MHz fIN = 70 MHz 25°C 25°C fIN = 140 MHz fIN = 220 MHz 25°C 25°C 74.2 73.3 73.9 73.0 fIN = 2.4 MHz fIN = 70 MHz 25°C 25°C −86 −85 −85 −84 fIN = 140 MHz fIN = 220 MHz 25°C 25°C −84 −83 −83 −77 fIN = 2.4 MHz fIN = 70 MHz 25°C 25°C 86 85 85 80 fIN = 140 MHz fIN = 220 MHz 25°C 25°C 84 83 76 74 fIN = 2.4 MHz fIN = 70 MHz 25°C 25°C −92 −90 −87 −80 fIN = 140 MHz fIN = 220 MHz 25°C 25°C −88 −84 −76 −74 dBc dBc dBc dBc dBc 25°C 25°C 85 81 95 650 85 81 95 650 dBc dBc dB MHz ඇ!! 74.7 74.6 74.6 74.5 73.0 dB dB dB dB dB 72.5 ፌֶ‫ْܾڦ‬/ෙْၿհ ඇ!! −73 −73 dBc dBc dBc dBc dBc ࿮ሗො‫ۯ‬ༀ‫(ྷݔ‬SFDR) ඇ!! dBc dBc dBc dBc dBc 73 73 ፌֶഄ໲ၿհईሗො2 ඇ!! −82 −80 ມᅼ࿮ሗො‫ۯ‬ༀ‫(ྷݔ‬SFDR) fIN = 29.12 MHz, 32.12 MHz (−7 dBFS) fIN = 169.12 MHz, 172.12 MHz (−7 dBFS) ‫ز‬ඡ3 ఇె๼෇‫੻ټ‬ 1 2 3 ඇ!! 25°C සႴକ঴ྜኝ‫ۨڦ‬ᅭLj൩֖ለᆌᆩԴऻAN-835“କ঴ߛ໏ADC֪๬ᇑೠࠚ”ă සႴକ঴AD6655ഄ໲ፌ‫ܠ߸ڦ߭ࡀگ‬႑တLj൩֖ለ“ᆌᆩ႑တ”և‫ݴ‬ă ‫ز‬ඡ‫֪ڦ‬ଉཉॲǖᅃ߲ཚ‫֖ڢ‬ຕྺ−1 dBFSĂ100 MHz൐ଷᅃ߲ཚ‫ڢ‬ฉ࿮๼෇႑ࡽă Rev. A | Page 8 of 88 AD6655 ຕጴࡀ߭ljAD6655BCPZ-80/AD6655BCPZ-105 ‫ݥأ‬ଷᆶຫ௽LjAVDD = 1.8 VĂDVDD = 1.8 VĂDRVDD = 1.8 VĂፌ‫֑ٷ‬ᄣ໏୲ĂVIN = −1.0 dBFS ֶ‫ݴ‬๼෇Ă1.0 Vాևएጚ ‫ۉ‬უĂDCS๑ీă ՗5 AD6655BCPZ-80 ‫ۆ‬႙ኵ! ፌ‫ٷ‬ኵ ࿒‫܈‬ ፌၭኵ ֶ‫้ݴ‬ዓ๼෇(CLK+ĂCLK−) ! இडग़ඹ ! ాևࠌఇೋዃ ! ֶ‫ݴ‬๼෇‫ۉ‬უ ! ๼෇‫ۉ‬უ‫ྷݔ‬ ! ๼෇ࠌఇ‫ྷݔ‬ ! ߛ‫ۉ‬ೝ๼෇‫ۉ‬უ ! ‫ۉگ‬ೝ๼෇‫ۉ‬უ ! ߛ‫ۉ‬ೝ๼෇‫ୁۉ‬ ! ‫ۉگ‬ೝ๼෇‫ୁۉ‬ ! ๼෇‫ۉ‬ඹ ! ๼෇‫ۉ‬ፆ ඇ! ඇ ඇ! ඇ! ඇ! ඇ! ඇ! ඇ ඇ! ඇ! CMOS/LVDS/LVPECL 1.2 0.2 6 AVDD + 1.6 AVDD − 0.3 1.1 AVDD 1.2 3.6 0 0.8 −10 +10 −10 +10 4 8 10 12 CMOS/LVDS/LVPECL 1.2 0.2 6 AVDD − 0.3 AVDD + 1.6 1.1 AVDD 1.2 3.6 0 0.8 −10 +10 −10 +10 4 8 10 12 CMOS 1.2 CMOS 1.2 ཞօ๼෇! ! இडग़ඹ! ! ాևೋዃ! ! ๼෇‫ۉ‬უ‫!ྷݔ‬ ! ߛ‫ۉ‬ೝ๼෇‫ۉ‬უ! ! ‫ۉگ‬ೝ๼෇‫ۉ‬უ! ! ߛ‫ۉ‬ೝ๼෇‫!ୁۉ‬ ! ‫ۉگ‬ೝ๼෇‫!ୁۉ‬ ! ๼෇‫ۉ‬ඹ! ! ๼෇‫ۉ‬ፆ! இड๼෇(CSB)1 ߛ‫ۉ‬ೝ๼෇‫ۉ‬უ ‫ۉگ‬ೝ๼෇‫ۉ‬უ ߛ‫ۉ‬ೝ๼෇‫ୁۉ‬ ‫ۉگ‬ೝ๼෇‫ୁۉ‬ ๼෇‫ۉ‬ፆ ๼෇‫ۉ‬ඹ இड๼෇(SCLK/DFS)2 ߛ‫ۉ‬ೝ๼෇‫ۉ‬უ ‫ۉگ‬ೝ๼෇‫ۉ‬უ ߛ‫ۉ‬ೝ๼෇‫ୁۉ‬ ‫ۉگ‬ೝ๼෇‫ୁۉ‬ ๼෇‫ۉ‬ፆ ๼෇‫ۉ‬ඹ இड๼෇(SDIO/DCSĂSMI SDFS)1 ! ߛ‫ۉ‬ೝ๼෇‫ۉ‬უ ! ‫ۉگ‬ೝ๼෇‫ۉ‬უ ! ߛ‫ۉ‬ೝ๼෇‫ୁۉ‬ ! ‫ۉگ‬ೝ๼෇‫ୁۉ‬ ! ๼෇‫ۉ‬ፆ ! ๼෇‫ۉ‬ඹ ඇ! ඇ ඇ! ඇ! ඇ! ඇ! ඇ! ඇ! AVDD − 0.3 1.2 0 −10 −10 8 ඇ! ඇ! ඇ! ඇ! ඇ! ඇ! 1.22 0 −10 40 ඇ! ඇ! ඇ! ඇ! ඇ! ඇ! 1.22 0 −92 −10 ඇ! ඇ! ඇ! ඇ! ඇ! ඇ! 1.22 0 −10 38 4 10 ፌၭኵ AD6655BCPZ-105 ‫ۆ‬႙ኵ! ፌ‫ٷ‬ኵ ֖ຕ AVDD + 1.6 3.6 0.8 +10 +10 AVDD − 0.3 1.2 0 −10 −10 12 8 3.6 0.6 +10 132 1.22 0 −10 40 26 2 1.22 0 −92 −10 26 2 12 1.22 0 −10 38 26 5 V V p-p V V V V μA μA pF kΩ V V V V μA μA pF kΩ 3.6 0.6 +10 132 V V μA μA kΩ pF 3.6 0.6 −135 +10 V V μA μA kΩ pF 3.6 0.6 +10 128 V V μA μA kΩ pF 26 2 3.6 0.6 +10 128 Rev. A | Page 9 of 88 4 10 26 2 3.6 0.6 −135 +10 26 5 AVDD + 1.6 3.6 0.8 +10 +10 ‫ڇ‬࿋ AD6655  ֖ຕ AD6655BCPZ-80 ‫ۆ‬႙ኵ! ፌ‫ٷ‬ኵ ࿒‫܈‬ ፌၭኵ ፌၭኵ ! ߛ‫ۉ‬ೝ๼෇‫ۉ‬უ ! ‫ۉگ‬ೝ๼෇‫ۉ‬უ ! ߛ‫ۉ‬ೝ๼෇‫ୁۉ‬ ! ‫ۉگ‬ೝ๼෇‫ୁۉ‬ ! ๼෇‫ۉ‬ፆ ! ๼෇‫ۉ‬ඹ ຕጴ๼‫؜‬ CMOSఇ๕—DRVDD = 3.3 V ! ! ߛ‫ۉ‬ೝ๼‫ۉ؜‬უ IOH= 50 μA IOH= 0.5 mA ! ! ‫ۉگ‬ೝ๼‫ۉ؜‬უ IOL= 1.6 mA IOL= 50 μA CMOSఇ๕—DRVDD = 1.8 V ! ! ߛ‫ۉ‬ೝ๼‫ۉ؜‬უ IOH= 50 μA IOH= 0.5 mA ! ‫ۉگ‬ೝ๼‫ۉ؜‬უ IOL= 1.6 mA IOL= 50 μA LVDSఇ๕LjDRVDD = 1.8 V ! ! ֶ‫ݴ‬๼‫ۉ؜‬უ(VOD)LjANSIఇ๕ ඇ! ඇ ඇ! ඇ! ඇ! ඇ! 1.22 0 −90 −10 ඇ! ඇ 3.29 3.25 ඇ! ඇ!! ! ඇ! 250 350 450 250 ! ! ๼‫؜‬฿ۙ‫ۉ‬უ(VOS)LjANSIఇ๕ ඇ 1.15 1.25 1.35 ! ! ֶ‫ݴ‬๼‫ۉ؜‬უ(VOD)LjၭӦ‫ޗ‬ఇ๕ ඇ! 150 200 ! ! ๼‫؜‬฿ۙ‫ۉ‬უ(VOS)LjၭӦ‫ޗ‬ఇ๕ ඇ!! ! 1.15 1.25 AD6655BCPZ-105 ‫ۆ‬႙ኵ! ፌ‫ٷ‬ኵ ‫ڇ‬࿋ 2 இड๼෇(SMI SDO/OEBĂSMI SCLK/PDWN) 1 2 3.6 0.6 −134 +10 26 5 3.6 0.6 −134 +10 26 5 3.29 3.25 ඇ! ඇ!! ! ඇ! ඇ 1.22 0 −90 −10 V V 0.2 0.05 1.79 1.75 0.2 0.05 1.79 1.75 Rev. A | Page 10 of 88 V V V V 0.2 0.05 ฉઙă ူઙă V V μA μA kΩ pF 0.2 0.05 V V 350 450 mV 1.15 1.25 1.35 V 280 150 200 280 mV 1.35 1.15 1.25 1.35 V AD6655 ຕጴࡀ߭ljAD6655BCPZ-125/AD6655BCPZ-150 ‫ݥأ‬ଷᆶຫ௽LjAVDD = 1.8 VĂDVDD = 1.8 VĂDRVDD = 1.8 VĂፌ‫֑ٷ‬ᄣ໏୲ĂVIN = −1.0 dBFS ֶ‫ݴ‬๼෇Ă1.0 Vాևएጚ ‫ۉ‬უĂDCS๑ీă ՗6 ֖ຕ! ֶ‫้ݴ‬ዓ๼෇(CLK+ĂCLK−) ! இडग़ඹ ! ాևࠌఇೋዃ ! ֶ‫ݴ‬๼෇‫ۉ‬უ ! ๼෇‫ۉ‬უ‫ྷݔ‬ ! ๼෇ࠌఇ‫ྷݔ‬ ! ߛ‫ۉ‬ೝ๼෇‫ۉ‬უ ! ‫ۉگ‬ೝ๼෇‫ۉ‬უ ! ߛ‫ۉ‬ೝ๼෇‫ୁۉ‬ ! ‫ۉگ‬ೝ๼෇‫ୁۉ‬ ! ๼෇‫ۉ‬ඹ ! ๼෇‫ۉ‬ፆ ཞօ๼෇ ! இडग़ඹ! ! ాևೋዃ ! ๼෇‫ۉ‬უ‫ྷݔ‬ ! ߛ‫ۉ‬ೝ๼෇‫ۉ‬უ ! ‫ۉگ‬ೝ๼෇‫ۉ‬უ ! ߛ‫ۉ‬ೝ๼෇‫ୁۉ‬ ! ‫ۉگ‬ೝ๼෇‫ୁۉ‬ ! ๼෇‫ۉ‬ඹ ! ๼෇‫ۉ‬ፆ இड๼෇(CSB)1 ! ߛ‫ۉ‬ೝ๼෇‫ۉ‬უ ! ‫ۉگ‬ೝ๼෇‫ۉ‬უ ! ߛ‫ۉ‬ೝ๼෇‫ୁۉ‬ ! ‫ۉگ‬ೝ๼෇‫ୁۉ‬ ! ๼෇‫ۉ‬ፆ ! ๼෇‫ۉ‬ඹ இड๼෇(SCLK/DFS)2 ! ߛ‫ۉ‬ೝ๼෇‫ۉ‬უ ! ‫ۉگ‬ೝ๼෇‫ۉ‬უ ! ߛ‫ۉ‬ೝ๼෇‫ୁۉ‬ ! ‫ۉگ‬ೝ๼෇‫ୁۉ‬ ! ๼෇‫ۉ‬ፆ ! ๼෇‫ۉ‬ඹ இड๼෇(SDIO/DCSĂSMI SDFS)1 ! ߛ‫ۉ‬ೝ๼෇‫ۉ‬უ ! ‫ۉگ‬ೝ๼෇‫ۉ‬უ ! ߛ‫ۉ‬ೝ๼෇‫ୁۉ‬ ! ‫ۉگ‬ೝ๼෇‫ୁۉ‬ ! ๼෇‫ۉ‬ፆ ! ๼෇‫ۉ‬ඹ AD6655BCPZ-125 ‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ ፌၭኵ! ඇ ඇ ඇ ඇ ඇ ඇ ඇ ඇ ඇ ඇ CMOS/LVDS/LVPECL 1.2 0.2 6 AVDD − 0.3 AVDD + 1.6 1.1 V AVDD 1.2 3.6 0 0.8 −10 +10 −10 +10 4 8 10 12 CMOS/LVDS/LVPECL 1.2 0.2 6 AVDD − 0.3 AVDD + 1.6 1.1 V AVDD 1.2 3.6 0 0.8 −10 +10 −10 +10 4 8 10 12 CMOS 1.2 CMOS 1.2 ඇ ඇ ඇ ඇ ඇ ඇ ඇ ඇ AVDD − 0.3 1.2 0 −10 −10 8 ඇ ඇ ඇ ඇ ඇ ඇ! 1.22 0 −10 40 ඇ ඇ ඇ ඇ ඇ ඇ! 1.22 0 −92 −10 ඇ ඇ ඇ ඇ ඇ ඇ! 1.22 0 −10 38 4 10 ፌၭኵ! AD6655BCPZ-150 ‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ ࿒‫܈‬ AVDD + 1.6 3.6 0.8 +10 +10 AVDD − 0.3 1.2 0 −10 −10 12 8 3.6 0.6 +10 132 1.22 0 −10 40 26 2 1.22 0 −92 −10 26 2 12 1.22 0 −10 38 26 5 V V p-p V V V V μA μA pF kΩ V V V V μA μA pF kΩ 3.6 0.6 +10 132 V V μA μA kΩ pF 3.6 0.6 −135 +10 V V μA μA kΩ pF 3.6 0.6 +10 128 V V μA μA kΩ pF 26 2 3.6 0.6 +10 128 Rev. A | Page 11 of 88 4 10 26 2 3.6 0.6 −135 +10 26 5 AVDD + 1.6 3.6 0.8 +10 +10 ‫ڇ‬࿋ AD6655 ֖ຕ! ࿒‫܈‬ ፌၭኵ! ඇ! ඇ! ඇ! ඇ! ඇ! ඇ! 1.22 0 −90 −10 ඇ! ඇ! 3.29 3.25 AD6655BCPZ-125 ‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ ፌၭኵ! AD6655BCPZ-150 ‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ ‫ڇ‬࿋ இड๼෇(SMI SDO/OEBĂSMI SCLK/PDWN) 2 ! ! ! ! ! ! ߛ‫ۉ‬ೝ๼෇‫ۉ‬უ ‫ۉگ‬ೝ๼෇‫ۉ‬უ ߛ‫ۉ‬ೝ๼෇‫ୁۉ‬ ‫ۉگ‬ೝ๼෇‫ୁۉ‬ ๼෇‫ۉ‬ፆ ๼෇‫ۉ‬ඹ ຕጴ๼‫؜‬ CMOSఇ๕—DRVDD = 3.3 V ! ! ߛ‫ۉ‬ೝ๼‫ۉ؜‬უ IOH= 50 μA IOH= 0.5 mA ! ! ‫ۉگ‬ೝ๼‫ۉ؜‬უ IOL= 1.6 mA IOL= 50 μA CMOSఇ๕—DRVDD = 1.8 V ! ! ߛ‫ۉ‬ೝ๼‫ۉ؜‬უ IOH= 50 μA IOH= 0.5 mA ! ! ‫ۉگ‬ೝ๼‫ۉ؜‬უ IOL= 1.6 mA IOL= 50 μA LVDSఇ๕LjDRVDD = 1.8 V ! ! ֶ‫ݴ‬๼‫ۉ؜‬უ(VOD)LjANSIఇ๕ ! ! ! ! ๼‫؜‬฿ۙ‫ۉ‬უ(VOS)LjANSIఇ๕ ! ! ֶ‫ݴ‬๼‫ۉ؜‬უ(VOD)LjၭӦ‫ޗ‬ఇ๕ ! ! ๼‫؜‬฿ۙ‫ۉ‬უ(VOS)LjၭӦ‫ޗ‬ఇ๕ 1 2 3.6 0.6 −134 +10 26 5 3.6 0.6 −134 +10 26 5 3.29 3.25 ඇ! ඇ! ඇ! ඇ! 1.22 0 −90 −10 V V 0.2 0.05 1.79 1.75 0.2 0.05 1.79 1.75 ඇ! ඇ! V V μA μA kΩ pF V V V V 0.2 0.05 0.2 0.05 V V ඇ! 250 350 450 250 350 450 mV ඇ! 1.15 1.25 1.35 1.15 1.25 1.35 V ඇ! 150 200 280 150 200 280 mV ඇ! 1.15 1.25 1.35 1.15 1.25 1.35 V ฉઙ ူઙă Rev. A | Page 12 of 88 AD6655 ਸ࠲ࡀ߭ljAD6655BCPZ-80/AD6655BCPZ-105 ՗7 ֖ຕ! ࿒‫܈‬ ้ዓ๼෇֖ຕ ! ๼෇้ዓ໏୲ ! ገ࣑໏୲1 DCS๑ీ DCS্ᆩ ! ้ዓዜ೺—ᅃ‫ݴ‬ೕఇ๕(tCLK) ! ้ዓஞ੻ߛ‫ۉ‬ೝ(tCLKH) ! ! ᅃ‫ݴ‬ೕఇ๕LjDCS๑ీ ! ! ᅃ‫ݴ‬ೕఇ๕LjDCS্ᆩ ! ! ܾ‫ݴ‬ೕఇ๕LjDCS๑ీ ! ! ෙ‫ݴ‬ೕ዁ӗ‫ݴ‬ೕఇ๕LjDCS๑ీ AD6655BCPZ-80 AD6655BCPZ-105 ፌၭኵ!‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ ፌၭኵ!‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ ‫ڇ‬࿋ ඇ! ຕ਍๼‫֖؜‬ຕDŽDATAࢅFDDž CMOS‫ݥ‬঍‫ٱ‬ఇ๕LjDRVDD = 1.8 V ! ! ຕ਍‫د‬խჽ‫(׿‬tPD)2 DCO‫د‬խჽ‫(׿‬tDCO) ! ! ॺ૬้क़(tS) ! ! ԍ‫้׼‬क़(tH) CMOS‫ݥ‬঍‫ٱ‬ఇ๕LjDRVDD = 3.3 V ! ! ຕ਍‫د‬խჽ‫(׿‬tPD)2 DCO‫د‬խჽ‫(׿‬tDCO) ! ! ॺ૬้क़(tS) ! ! ԍ‫้׼‬क़(tH) CMOS঍‫ࢅٱ‬IQఇ๕—DRVDD = 1.8 V ! ! ຕ਍‫د‬խჽ‫(׿‬tPD)2 DCO‫د‬խჽ‫(׿‬tDCO) ! ! ॺ૬้क़(tS) ! ! ԍ‫้׼‬क़(tH) CMOS঍‫ࢅٱ‬IQఇ๕—DRVDD = 3.3 V ! ! ຕ਍‫د‬խჽ‫(׿‬tPD)2 DCO‫د‬խჽ‫(׿‬tDCO) ! ! ॺ૬้क़(tS) ! ! ԍ‫้׼‬क़(tH) LVDSఇ๕LjDRVDD = 1.8 V ! ! ຕ਍‫د‬խჽ‫(׿‬tPD)2 DCO‫د‬խჽ‫(׿‬tDCO) ! ୁ຤၍ჽ‫׿‬NCOĂFIRĂfS/8ंೕ্ᆩ ! ୁ຤၍ჽ‫׿‬NCO๑ీĂFIRࢅfS/8ंೕ্ᆩDŽްຕ๼‫؜‬ఇ๕Dž ඇ! ඇ! ඇ! 20 10 12.5 ඇ! ඇ! ඇ! ඇ! 3.75 5.63 1.6 0.8 ඇ! ඇ! ඇ! ඇ! 625 MHz 105 105 MSPS MSPS ns 80 80 20 10 9.5 6.25 6.25 8.75 6.88 2.85 4.28 1.6 0.8 4.75 4.75 6.65 5.23 ns ns ns ns 1.6 4.0 3.9 5.4 14.0 11.0 6.2 7.3 1.6 4.0 3.9 5.4 11.0 8.0 6.2 7.3 ns ns ns ns ඇ! ඇ! ඇ! ඇ! 1.9 4.4 4.1 5.8 14.2 10.8 6.4 7.7 1.9 4.4 4.1 5.8 11.2 7.8 6.4 7.7 ns ns ns ns ඇ! ඇ! ඇ! ඇ! 1.6 3.4 3.9 4.8 7.15 5.35 6.2 6.7 1.6 3.4 3.9 4.8 5.65 3.85 6.2 6.7 ns ns ns ns ඇ! ඇ! ඇ! ඇ! 1.9 3.8 4.1 5.2 7.35 5.15 6.4 7.1 1.9 3.8 4.1 5.2 5.85 3.65 6.4 7.1 ns ns ns ns ඇ! ඇ! ඇ! ඇ! 2.5 3.7 4.8 5.3 38 38 7.0 7.3 2.5 3.7 4.8 5.3 38 38 7.0 7.3 ns ns ඇ ඇ! ඇ! ඇ ඇ ! ୁ຤၍ჽ‫׿‬NCOĂFIRĂfS/8ंೕ๑ీ ! ੥০ჽ‫(׿‬tA) ! ੥০փඓۨDŽ۶‫ۯ‬LjtJDž ! ࣓ႝ้क़3 ‫้ް࣬ྷݔג‬क़ 625 ገ࣑໏୲ኸ‫ݴ‬ೕኮࢫ‫้ڦ‬ዓ໏୲ă ๼‫د؜‬խჽ‫֪ڦ׿‬ଉཉॲྺǖ้ዓ50%ገ࣑዁ຕ਍50%ገ࣑Lj๑ᆩ5 pF޶ሜă 3 ࣓ႝ้क़ൽਦᇀඁ᳘‫ۉ‬ඹ‫ڦ‬ኵă 1 2 Rev. A | Page 13 of 88 109 1.0 0.1 350 2 109 1.0 0.1 350 2 ዜ೺ ዜ೺ ዜ೺ ns psrms us ዜ೺ AD6655 ਸ࠲ࡀ߭ljAD6655BCPZ-125/AD6655BCPZ-150 ՗8 ֖ຕ! ࿒‫܈‬ ้ዓ๼෇֖ຕ ! ๼෇้ዓ໏୲ ! ገ࣑໏୲1 DCS๑ీ DCS্ᆩ ! ้ዓዜ೺—ᅃ‫ݴ‬ೕఇ๕(tCLK) ! ้ዓஞ੻ߛ‫ۉ‬ೝ(tCLKH) ! ! ᅃ‫ݴ‬ೕఇ๕LjDCS๑ీ ! ! ᅃ‫ݴ‬ೕఇ๕LjDCS্ᆩ ! ! ܾ‫ݴ‬ೕఇ๕LjDCS๑ీ ! ! ෙ‫ݴ‬ೕ዁ӗ‫ݴ‬ೕఇ๕LjDCS๑ీ AD6655BCPZ-125 AD6655BCPZ-150 ፌၭኵ!‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ ፌၭኵ!‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ ‫ڇ‬࿋ ඇ! ຕ਍๼‫֖؜‬ຕDŽDATAࢅFDDž CMOS‫ݥ‬঍‫ٱ‬ఇ๕LjDRVDD = 1.8 V ຕ਍‫د‬խჽ‫(׿‬tPD)2 DCO‫د‬խჽ‫(׿‬tDCO) ॺ૬้क़(tS) ԍ‫้׼‬क़(tH) CMOS‫ݥ‬঍‫ٱ‬ఇ๕LjDRVDD = 3.3 V ຕ਍‫د‬խჽ‫(׿‬tPD)2 DCO‫د‬խჽ‫(׿‬tDCO) ॺ૬้क़(tS) ԍ‫้׼‬क़(tH) CMOS঍‫ࢅٱ‬IQఇ๕—DRVDD = 1.8 V ຕ਍‫د‬խჽ‫(׿‬tPD)2 DCO‫د‬խჽ‫(׿‬tDCO) ॺ૬้क़(tS) ԍ‫้׼‬क़(tH) CMOS঍‫ࢅٱ‬IQఇ๕—DRVDD = 3.3 V ຕ਍‫د‬խჽ‫(׿‬tPD)2 DCO‫د‬խჽ‫(׿‬tDCO) ॺ૬้क़(tS) ԍ‫้׼‬क़(tH) LVDSఇ๕LjDRVDD = 1.8 V ຕ਍‫د‬խჽ‫(׿‬tPD)2 DCO‫د‬խჽ‫(׿‬tDCO) ୁ຤၍ჽ‫׿‬NCOĂFIRĂfS/8ंೕ্ᆩ ୁ຤၍ჽ‫׿‬NCO๑ీĂFIRࢅfS/8ंೕ্ᆩ(ްሗ๼‫؜‬ఇ๕) ඇ! ඇ! ඇ! 20 10 8 ඇ! ඇ! ඇ! ඇ! 2.4 3.6 1.6 0.8 ඇ ඇ ඇ ඇ 625 MHz 150 150 MSPS MSPS ns 125 125 20 10 6.66 4 4 5.6 4.4 2.0 3.0 1.6 0.8 3.33 3.33 4.66 3.66 ns ns ns ns 1.6 4.0 3.9 5.4 9.5 6.5 6.2 7.3 1.6 4.0 3.9 5.4 8.16 5.16 6.2 7.3 ns ns ns ns ඇ ඇ ඇ ඇ 1.9 4.4 4.1 5.8 9.7 6.3 6.4 7.7 1.9 4.4 4.1 5.8 8.36 4.96 6.4 7.7 ns ns ns ns ඇ ඇ ඇ ඇ 1.6 3.4 3.9 4.8 4.9 3.1 6.2 6.7 1.6 3.4 3.9 4.8 4.23 2.43 6.2 6.7 ns ns ns ns ඇ ඇ ඇ ඇ 1.9 3.8 4.1 5.2 5.1 2.9 6.4 7.1 1.9 3.8 4.1 5.2 4.43 2.23 6.4 7.1 ns ns ns ns ඇ ඇ ඇ ඇ 2.5 3.7 4.8 5.3 38 38 7.0 7.3 2.5 3.7 4.8 5.3 38 38 7.0 7.3 ns ns ඇ ඇ ඇ ඇ ඇ ୁ຤၍ჽ‫׿‬NCOĂFIRĂfS/8ंೕ๑ీ ੥০ჽ‫(׿‬tA) ੥০փඓۨDŽ۶‫ۯ‬LjtJDž ࣓ႝ้क़3 ‫้ް࣬ྷݔג‬क़ 625 ገ࣑໏୲ኸ‫ݴ‬ೕኮࢫ‫้ڦ‬ዓ໏୲ă ๼‫د؜‬խჽ‫֪ڦ׿‬ଉཉॲྺǖ้ዓ50%ገ࣑዁ຕ਍50%ገ࣑Lj๑ᆩ5 pF޶ሜă 3 ࣓ႝ้क़ൽਦᇀඁ᳘‫ۉ‬ඹ‫ڦ‬ኵă 1 2 Rev. A | Page 14 of 88 109 1.0 0.1 350 3 109 1.0 0.1 350 3 ዜ೺ ዜ೺ ዜ೺ ns psrms us ዜ೺ AD6655 ้Ⴞࡀ߭ ՗9 ֖ຕ! ཉॲ! ፌၭኵ!‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ ‫ڇ‬࿋ ཞօ้Ⴞᄲ൱! SYNC዁CLKॺ૬้क़‫ڦ‬ฉืᄂ SYNC዁CLKԍ‫้׼‬क़‫ڦ‬ฉืᄂ tSSYNC tHSYNC 0.24 0.4 ns ns SPI้Ⴞᄲ൱ tDS tDH tCLK tS tH tHIGH tLOW tEN_SDIO ຕ਍ᇑSCLKฉืᄂኮक़‫ॺڦ‬૬้क़ ຕ਍ᇑSCLKฉืᄂኮक़‫ڦ‬ԍ‫้׼‬क़ SCLKዜ೺ CSBᇑSCLKኮक़‫ॺڦ‬૬้क़ CSBᇑSCLKኮक़‫ڦ‬ԍ‫้׼‬क़ SCLKᆌ‫ت‬ᇀஇडߛ‫ۉ‬ೝጒༀ‫ڦ‬ፌ‫้܌‬क़ SCLKᆌ‫ت‬ᇀஇड‫ۉگ‬ೝጒༀ‫ڦ‬ፌ‫้܌‬क़ ၎‫ܔ‬ᇀSCLKူইᄂLjSDIOᆅগٗ๼෇ጒༀൎ࣑‫ڟ‬๼‫؜‬ጒༀ໯Ⴔ‫้ڦ‬क़ 2 2 40 2 2 10 10 10 ns ns ns ns ns ns ns ns tDIS_SDIO ၎‫ܔ‬ᇀSCLKฉืᄂLjSDIOᆅগٗ๼‫؜‬ጒༀൎ࣑‫ڟ‬๼෇ጒༀ໯Ⴔ‫้ڦ‬क़ 10 ns ٗCLK+ฉืᄂ‫ڟ‬SMI SCLKฉืᄂኮक़‫ڦ‬ჽ‫׿‬ ٗSMI SCLKฉืᄂ‫ڟ‬SMI SDOኮक़‫ڦ‬ჽ‫׿‬ ٗSMI SCLKฉืᄂ‫ڟ‬SMI SDFSኮक़‫ڦ‬ჽ‫׿‬ 3.2 −0.4 −0.4 SPORT้Ⴞᄲ൱ tCSSCLK tSSLKSDO tSSCLKSDFS 4.5 0 0 6.2 +0.4 +0.4 ns ns ns ้Ⴞ཮ CLK+ tDCO tPD CHANNEL A/B DATA BITS DECIMATED CMOS DATA DECIMATED FD DATA CHANNEL A/B FD BITS CHANNEL A/B FD BITS CHANNEL A/B DATA BITS CHANNEL A/B FD BITS CHANNEL A/B FD BITS CHANNEL A/B FD BITS CHANNEL A/B DATA BITS CHANNEL A/B FD BITS 06709-109 tS DECIMATED DCOA/DCOB tH ཮2. ؏ൽ‫ݥ‬঍‫ٱ‬CMOSఇ๕ຕ਍ᇑ੺໏ॠ֪๼‫้؜‬Ⴞ)੺໏ॠ֪ఇ๕჋ስ࿋‫ڦ‬ኵྺ000* CLK+ tPD tDCO DECIMATED CMOS DATA CHANNEL A/B DATA BITS CHANNEL A/B DATA BITS CHANNEL A/B DATA BITS DECIMATED FD DATA CHANNEL A/B FD BITS CHANNEL A/B FD BITS CHANNEL A/B FD BITS DECIMATED DCOA/DCOB tH ཮3. ؏ൽ‫ݥ‬঍‫ٱ‬CMOSఇ๕ຕ਍ᇑ੺໏ॠ֪๼‫้؜‬Ⴞ(੺໏ॠ֪ఇ๕჋ስ࿋‫ڦ‬ኵྺ001዁100) Rev. A | Page 15 of 88 06709-012 tS AD6655  CLK+ tPD tDCO DECIMATED INTERLEAVED CMOS DATA CHANNEL A: DATA CHANNEL B: DATA CHANNEL A: DATA CHANNEL B: DATA CHANNEL A: DATA CHANNEL B: DATA DECIMATED INTERLEAVED FD DATA CHANNEL A: FD BITS CHANNEL B: FD BITS CHANNEL A: FD BITS CHANNEL B: FD BITS CHANNEL A: FD BITS CHANNEL B: FD BITS 06709-013 tS DECIMATED DCO tH ཮4 ؏ൽ঍‫ٱ‬CMOSఇ๕ຕ਍ᇑ੺໏ॠ֪๼‫้؜‬Ⴞ CLK+ tPD tDCO DECIMATED CMOS IQ OUTPUT DATA CHANNEL A/B: Q DATA CHANNEL A/B: I DATA CHANNEL A/B: Q DATA CHANNEL A/B: I DATA CHANNEL A/B: Q DATA CHANNEL A/B: I DATA CMOS FD DATA CHANNEL A/B: FD BITS CHANNEL A/B: FD BITS CHANNEL A/B: FD BITS CHANNEL A/B: FD BITS CHANNEL A/B: FD BITS CHANNEL A/B: FD BITS 06709-014 tS DECIMATED DCOA/DCOB tH ཮5 ؏ൽIQఇ๕CMOSຕ਍ᇑ੺໏ॠ֪๼‫้؜‬Ⴞ CLK– CLK+ tPD LVDS DATA CHANNEL A: DATA CHANNEL B: DATA CHANNEL A: DATA CHANNEL B: DATA CHANNEL A: DATA LVDS FAST DET CHANNEL A: FD CHANNEL B: FD CHANNEL A: FD CHANNEL B: FD CHANNEL A: FD tDCO 06709-015 DCO– DCO+ ཮6 ؏ൽ঍‫ٱ‬LVDSఇ๕ຕ਍ᇑ੺໏ॠ֪๼‫้؜‬Ⴞ CLK+ tHSYNC 06709-016 tSSYNC SYNC ཮7. ཞօ้Ⴞ๼෇ Rev. A | Page 16 of 88 AD6655 CLK+ CLK– tCSSCLK SMI SCLK tSSCLKSDFS tSSCLKSDFS SMI SDO DATA ཮8. ႑ࡽ॔੦ SPORT๼‫้؜‬Ⴞ Rev. A | Page 17 of 88 DATA 06709-017 SMI SDFS AD6655  ਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵ ՗10 ֖ຕ! ‫ۉ‬ഘ֖ຕ AVDDĂDVDD዁AGND DRVDD዁DRGND AGND዁DRGND VIN+A/VIN+BĂVIN-A/VIN−B዁AGND CLK+ĂCLK−዁AGND SYNC዁AGND VREF዁AGND SENSE዁AGND CML዁AGND RBIAS዁AGND CSB዁AGND SCLK/DFS዁DRGND SDIO/DCS዁DRGND SMI SDO/OEB዁DRGND SMI SCLK/PDWN዁DRGND SMI SDFS዁DRGND D0A/D0B-D13A/D13B዁DRGND FD0A/FD0B-FD3A/FD3B዁DRGND ඤ༬Ⴀ ‫ۨܮ‬ኵ! −0.3 V ዁!+2.0 V −0.3 V ዁!+3.9 V −0.3 V ዁!+0.3 V −0.3 V ዁!AVDD + 0.2 V −0.3 V ዁!+3.9 V −0.3 V ዁!+3.9 V −0.3 V ዁!AVDD + 0.2 V −0.3 V ዁!AVDD + 0.2 V −0.3 V ዁!AVDD + 0.2 V −0.3 V ዁!AVDD + 0.2 V −0.3 V ዁!+3.9 V −0.3 V ዁!+3.9 V −0.3 V ዁!DRVDD + 0.3 V −0.3 V ዁!DRVDD + 0.3 V −0.3 V ዁!DRVDD + 0.3 V −0.3 V ዁!DRVDD + 0.3 V −0.3 V ዁!DRVDD + 0.3 V LFCSP‫ހ‬ጎ‫ڦ‬஋୞ࡰಎՂႷࡰথ‫ڟ‬থ‫֫ں‬ăॽ஋୞ࡰಎࡰ থ‫ڟ‬ਜ਼ࢽӱฉLj੗༵ߛࡰথ੗੍ႠLjܸٗፌ‫ٷ‬၌‫ހࣩ݀܈‬ ጎ‫ڦ‬ඤႠీă ՗11. ඤፆ ഘୁ໏‫܈‬ (m/s) ‫ހ‬ጎૌ႙ 64-ᆅগ LFCSP 9 mm × 9 mm (CP-64-3) 0 1.0 2.0 θJA1, 2 18.8 16.5 15.8 θJC1, 3 0.6 θJB1, 4 6.0 ‫ڇ‬࿋ °C/W °C/W °C/W ӀቷJEDEC 51-7LjेฉJEDEC 25-5 2S2P֪๬ӱă ӀቷJEDEC JESD51-2(ৢኹ੣ഘ)ईJEDEC JESD51-6(ୁ‫ۯ‬੣ഘ)ă 3 ӀቷMIL-Std 883Ă‫ ݆ݛ‬1012.1ă 4 ӀቷJEDEC JESD51-8(ৢኹ੣ഘ)ă 1 2 −0.3 V ዁!DRVDD + 0.3 V θJA‫ۆڦ‬႙ኵ‫֪ڦ‬๬ཉॲྺ‫ํټ‬থ‫຺֫ڦ֫ں‬PCBăසฉ໯ ๖Ljഘୁ੗༵ߛොඤLjܸٗই‫گ‬θJAăଷྔLj኱থᇑ‫ހ‬ጎᆅ গথ‫ূڦة‬ຌLjԈઔূຌጽ၍Ăཚ੥Ăথ‫֫ں‬Ă‫ۉ‬ᇸ֫Lj ੗ই‫گ‬θJAă −0.3 V ዁!DRVDD + 0.3 V ESDয়ߢ DCOA/DCOB዁DRGND ࣍ৣ֖ຕ ! ߾ፕ࿒‫*ৣ࣍)ྷݔ܈‬ −40°C ዁!+85°C ! ೋዃཉॲူ‫ڦ‬ፌ‫ٷ‬঳࿒ 150°C ! ٪‫ئ‬࿒‫*ৣ࣍)ྷݔ܈‬ −65°C to +125°C ESD(ৢ‫ߌ௺)ۉݣۉ‬ഗॲă ‫ۉټ‬ഗॲࢅ‫ۉ‬ୟӱ੗ీࣷሞுᆶִਥ‫ڦ‬൧઄ူ‫ݣ‬ ‫ۉ‬ă৑࠶Ԩׂ೗ਏᆶጆ૧ईጆᆶԍࢺ‫ۉ‬ୟLj‫ڍ‬ሞᇜ ‫ీߛڟ‬ଉESD้Ljഗॲ੗ీࣷ໦࣋ăᅺُLjᆌ‫֑ړ‬ ൽ๢‫ڦړ‬ESD‫ٯݔݞ‬แLjᅜՆ௨ഗॲႠీူইईࠀ ీෟ฿ă ጀᅪLj‫؜ג‬ฉຎਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵ੗ీࣷ‫ڞ‬ዂഗॲᆦ৳Ⴀ໦ ࣋ăኄၵኻ๟ፌ‫ۨܮٷ‬ኵLjփ՗๖ሞኄၵཉॲူईኁሞඪ ࢆഄ໲‫؜ג‬Ԩरຍࡀ߭֡ፕև‫ݴ‬໯๖ࡀ߭‫ڦ‬ཉॲူLjഗॲ ీࠕኟ‫߾׉‬ፕă‫׊‬೺ሞਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵཉॲူ߾ፕࣷᆖၚ ഗॲ‫ڦ‬੗੍Ⴀă Rev. A | Page 18 of 88 AD6655 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 DRGND D5B D4B D3B D2B D1B D0B (LSB) DVDD FD3B FD2B FD1B FD0B SYNC CSB CLK– CLK+ ᆅগದዃࢅࠀీ௮ຎ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PIN 1 INDICATOR EXPOSED PADDLE, PIN 0 (BOTTOM OF PACKAGE) AD6655 PARALLEL CMOS TOP VIEW (Not to Scale) 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 SCLK/DFS SDIO/DCS AVDD AVDD VIN+B VIN–B RBIAS CML SENSE VREF VIN–A VIN+A AVDD SMI SDFS SMI SCLK/PDWN SMI SDO/OEB NOTES 1. THE EXPOSED THERMAL PAD ON THE BOTTOM OF THE PACKAGE PROVIDES THE ANALOG GROUND FOR THE PART. THIS EXPOSED PAD MUST BE CONNECTED TO GROUND FOR PROPER OPERATION. 06709-002 D5A D6A D7A DRGND DRVDD D8A D9A DVDD D10A D11A D12A D13A (MSB) FD0A FD1A FD2A FD3A 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 DRVDD D6B D7B D8B D9B D10B D11B D12B D13B (MSB) DCOB DCOA D0A (LSB) D1A D2A D3A D4A ཮9. LFCSPժႜCMOSᆅগದዃ)‫ۥ‬๫཮* ՗12. ᆅগࠀీ௮ຎ(ժႜCMOSఇ๕) ᆅগՊࡽ! ADC‫ۉ‬ᇸ 20, 64 1, 21 24, 57 36, 45, 46 0 ᆅগఁ‫!׬‬ ૌ႙!! ௮ຎ! DRGND DRVDD DVDD AVDD AGND, ஋୞ࡰಎ! ‫!ں‬ ‫ۉ‬ᇸ! ‫ۉ‬ᇸ! ‫ۉ‬ᇸ! ‫!ں‬ ຕጴ๼‫ں؜‬ă ຕጴ๼‫؜‬ൻ‫ۯ‬ഗ‫ۉ‬ᇸ(1.8 V዁3.3 V)ă ຕጴ‫ۉ‬ᇸ(Ք‫׬‬ኵྺ1.8 V)ă ఇె‫ۉ‬ᇸ(Ք‫׬‬ኵྺ1.8 V)ă ఇె‫ں‬ă‫ހ‬ጎ‫ڹ‬և‫ڦ‬஋୞ඤࡰಎྺഗॲ༵ࠃఇె‫ں‬ă ޿ࡰಎՂႷᇑ‫ں‬၎૶Lj֍ీኟ‫߾׉‬ፕă ๼෇ ๼෇ ๼෇ ๼෇ ๼෇/๼‫؜‬ ๼෇ ๼෇/๼‫؜‬ ๼‫؜‬ ๼෇ ๼෇ ཚ‫ڢ‬A‫ݴֶڦ‬ఇె๼෇ᆅগ(+)ă ཚ‫ڢ‬A‫ݴֶڦ‬ఇె๼෇ᆅগ(−)ă ཚ‫ڢ‬B‫ݴֶڦ‬ఇె๼෇ᆅগ(+)ă ཚ‫ڢ‬B‫ݴֶڦ‬ఇె๼෇ᆅগ(−)ă एጚ‫ۉ‬უ๼෇/๼‫؜‬ă एጚ‫ۉ‬უఇ๕჋ስă(ၘ൧֖९՗15ă) ྔևएጚೋዃ‫ۉ‬ፆă ఇె๼෇‫ࠌڦ‬ఇ‫ۉ‬ೝೋዃ๼‫؜‬ă ADC้ዓ๼෇(+)ă ADC้ዓ๼෇(−)ă ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ཚ‫ڢ‬A੺໏ॠ֪ኸ๖ഗă(ၘ൧֖९՗21ă) ཚ‫ڢ‬A੺໏ॠ֪ኸ๖ഗă(ၘ൧֖९՗21ă) ཚ‫ڢ‬A੺໏ॠ֪ኸ๖ഗă(ၘ൧֖९՗21ă) ཚ‫ڢ‬A੺໏ॠ֪ኸ๖ഗă(ၘ൧֖९՗21ă) ཚ‫ڢ‬B੺໏ॠ֪ኸ๖ഗă(ၘ൧֖९՗21ă) ཚ‫ڢ‬B੺໏ॠ֪ኸ๖ഗă(ၘ൧֖९՗21ă) ཚ‫ڢ‬B੺໏ॠ֪ኸ๖ഗă(ၘ൧֖९՗21ă) ཚ‫ڢ‬B੺໏ॠ֪ኸ๖ഗă(ၘ൧֖९՗21ă) ADCఇె 37 VIN+A 38 VIN−A 44 VIN+B 43 VIN−B 39 VREF 40 SENSE 42 RBIAS 41 CML 49 CLK+ 50 CLK− ADC੺໏ॠ֪๼‫؜‬ 29 FD0A 30 FD1A 31 FD2A 32 FD3A 53 FD0B 54 FD1B 55 FD2B 56 FD3B Rev. A | Page 19 of 88 AD6655 ᆅগՊࡽ! ᆅগఁ‫!׬‬ ຕጴ๼෇ 52 SYNC ຕጴ๼‫؜‬ 12 D0A (LSB) 13 D1A 14 D2A 15 D3A 16 D4A 17 D5A 18 D6A 19 D7A 22 D8A 23 D9A 25 D10A 26 D11A 27 D12A 28 D13A (MSB) 58 D0B (LSB) 59 D1B 60 D2B 61 D3B 62 D4B 63 D5B 2 D6B 3 D7B 4 D8B 5 D9B 6 D10B 7 D11B 8 D12B 9 D13B (MSB) 11 DCOA 10 DCOB SPI੦዆ 48 SCLK/DFS 47 SDIO/DCS 51 CSB ႑ࡽ॔੦‫܋‬੨ 33 SMI SDO/OEB 35 SMI SDFS 34 SMI SCLK/PDWN ૌ႙!! ௮ຎ! ๼෇ ຕጴཞօᆅগăৈᆩᇀٗऐఇ๕ă ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫؜‬ ཚ‫ڢ‬A CMOS๼‫؜‬ຕ਍ ཚ‫ڢ‬A CMOS๼‫؜‬ຕ਍ ཚ‫ڢ‬A CMOS๼‫؜‬ຕ਍ ཚ‫ڢ‬A CMOS๼‫؜‬ຕ਍ ཚ‫ڢ‬A CMOS๼‫؜‬ຕ਍ ཚ‫ڢ‬A CMOS๼‫؜‬ຕ਍ ཚ‫ڢ‬A CMOS๼‫؜‬ຕ਍ ཚ‫ڢ‬A CMOS๼‫؜‬ຕ਍ ཚ‫ڢ‬A CMOS๼‫؜‬ຕ਍ ཚ‫ڢ‬A CMOS๼‫؜‬ຕ਍ ཚ‫ڢ‬A CMOS๼‫؜‬ຕ਍ ཚ‫ڢ‬A CMOS๼‫؜‬ຕ਍ ཚ‫ڢ‬A CMOS๼‫؜‬ຕ਍ ཚ‫ڢ‬A CMOS๼‫؜‬ຕ਍ ཚ‫ڢ‬B CMOS๼‫؜‬ຕ਍ ཚ‫ڢ‬B CMOS๼‫؜‬ຕ਍ ཚ‫ڢ‬B CMOS๼‫؜‬ຕ਍ ཚ‫ڢ‬B CMOS๼‫؜‬ຕ਍ ཚ‫ڢ‬B CMOS๼‫؜‬ຕ਍ ཚ‫ڢ‬B CMOS๼‫؜‬ຕ਍ ཚ‫ڢ‬B CMOS๼‫؜‬ຕ਍ ཚ‫ڢ‬B CMOS๼‫؜‬ຕ਍ ཚ‫ڢ‬B CMOS๼‫؜‬ຕ਍ ཚ‫ڢ‬B CMOS๼‫؜‬ຕ਍ ཚ‫ڢ‬B CMOS๼‫؜‬ຕ਍ ཚ‫ڢ‬B CMOS๼‫؜‬ຕ਍ ཚ‫ڢ‬B CMOS๼‫؜‬ຕ਍ ཚ‫ڢ‬B CMOS๼‫؜‬ຕ਍ ཚ‫ڢ‬Aຕ਍้ዓ๼‫؜‬ ཚ‫ڢ‬Bຕ਍้ዓ๼‫؜‬ ๼෇ ๼෇/๼‫؜‬ ๼෇ ሞྔևᆅগఇ๕ူLjSPI‫ز‬ႜ้ዓ/ຕ਍߭๕჋ስᆅগă ሞྔևᆅগఇ๕ူLjSPI‫ز‬ႜຕ਍๼෇/๼‫؜‬/቞੣Բ࿘ۨഗᆅগ SPIೌ჋ă‫ۉگ‬ೝᆶၳă ๼෇/๼‫؜‬ ๼‫؜‬ ๼෇/๼‫؜‬ ሞྔևᆅগఇ๕ူLj႑ࡽ॔੦‫ز‬ႜຕ਍๼‫؜‬/๼‫؜‬๑ీ๼෇(‫ۉگ‬ೝᆶၳ)ᆅগă ႑ࡽ॔੦‫ز‬ႜຕ਍ኡཞօă ሞྔևᆅগఇ๕ူLj႑ࡽ॔੦‫ز‬ႜ้ዓ๼‫؜‬/ۖ‫ۉ‬๼෇(ߛ‫ۉ‬ೝᆶၳ)ᆅগă Rev. A | Page 20 of 88 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 DRGND D0+ (LSB) D0– (LSB) FD3+ FD3– FD2+ FD2– DVDD FD1+ FD1– FD0+ FD0– SYNC CSB CLK– CLK+ AD6655 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PIN 1 INDICATOR EXPOSED PADDLE, PIN 0 (BOTTOM OF PACKAGE) AD6655 PARALLEL LVDS TOP VIEW (Not to Scale) 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 SCLK/DFS SDIO/DCS AVDD AVDD VIN+B VIN–B RBIAS CML SENSE VREF VIN–A VIN+A AVDD SMI SDFS SMI SCLK/PDWN SMI SDO/OEB NOTES 1. THE EXPOSED THERMAL PAD ON THE BOTTOM OF THE PACKAGE PROVIDES THE ANALOG GROUND FOR THE PART. THIS EXPOSED PAD MUST BE CONNECTED TO GROUND FOR PROPER OPERATION. 06709-003 D7+ D8– D8+ DRGND DRVDD D9– D9+ DVDD D10– D10+ D11– D11+ D12– D12+ D13– (MSB) D13+ (MSB) 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 DRVDD D1– D1+ D2– D2+ D3– D3+ D4– D4+ DCO– DCO+ D5– D5+ D6– D6+ D7– ཮10. LFCSP঍‫ٱ‬ժႜLVDSᆅগದዃ)‫ۥ‬๫཮* ՗13.ᆅগࠀీ௮ຎ (঍‫ٱ‬ժႜLVDSఇ๕) ᆅগՊࡽ ADC‫ۉ‬ᇸ 20, 64 1, 21 24, 57 36, 45, 46 0 ᆅগఁ‫׬‬ ૌ႙ ௮ຎ DRGND DRVDD DVDD AVDD AGND, ஋୞ࡰಎ ‫ں‬ ‫ۉ‬ᇸ ‫ۉ‬ᇸ ‫ۉ‬ᇸ ‫ں‬ ຕጴ๼‫ں؜‬ă ຕጴ๼‫؜‬ൻ‫ۯ‬ഗ‫ۉ‬ᇸ(1.8 V዁3.3 V)ă ຕጴ‫ۉ‬ᇸ(Ք‫׬‬ኵྺ1.8 V)ă ఇె‫ۉ‬ᇸ(Ք‫׬‬ኵྺ1.8 V)ă ఇె‫ں‬ă‫ހ‬ጎ‫ڹ‬և‫ڦ‬஋୞ࡰಎྺഗॲ༵ࠃఇె‫ں‬ă ޿ࡰಎՂႷᇑ‫ں‬၎૶Lj֍ీኟ‫߾׉‬ፕă ๼෇ ๼෇ ๼෇ ๼෇ ๼෇/๼‫؜‬ ๼෇ ๼෇/๼‫؜‬ ๼‫؜‬ ๼෇ ๼෇ ཚ‫ڢ‬A‫ݴֶڦ‬ఇె๼෇ᆅগ(+)ă ཚ‫ڢ‬A‫ݴֶڦ‬ఇె๼෇ᆅগ(−)ă ཚ‫ڢ‬B‫ݴֶڦ‬ఇె๼෇ᆅগ(+)ă ཚ‫ڢ‬B‫ݴֶڦ‬ఇె๼෇ᆅগ(−)ă एጚ‫ۉ‬უ๼෇/๼‫؜‬ă एጚ‫ۉ‬უఇ๕჋ስă(ၘ൧֖९՗15)ă ྔևएጚೋዃ‫ۉ‬ፆă ఇె๼෇‫ࠌڦ‬ఇ‫ۉ‬ೝೋዃ๼‫؜‬ă ADC้ዓ๼෇(+)ă ADC้ዓ๼෇(−)ă ๼‫؜‬ ๼‫؜‬ ๼‫؜‬ ๼‫؜‬ ๼‫؜‬ ๼‫؜‬ ๼‫؜‬ ๼‫؜‬ ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS੺໏ॠ֪ኸ๖ഗ0(+)ăDŽၘ൧֖९՗21ăDž ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS੺໏ॠ֪ኸ๖ഗ0(−)ăDŽၘ൧֖९՗21ăDž ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS੺໏ॠ֪ኸ๖ഗ1(+)ăDŽၘ൧֖९՗21ăDž ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS੺໏ॠ֪ኸ๖ഗ1(−)ăDŽၘ൧֖९՗21ăDž ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS੺໏ॠ֪ኸ๖ഗ2(+)ăDŽၘ൧֖९՗21ăDž ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS੺໏ॠ֪ኸ๖ഗ2(−)ăDŽၘ൧֖९՗21ăDž ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS੺໏ॠ֪ኸ๖ഗ3(+)ăDŽၘ൧֖९՗21ăDž ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS੺໏ॠ֪ኸ๖ഗ3(−)ăDŽၘ൧֖९՗21ăDž ADCఇె 37 VIN+A 38 VIN−A 44 VIN+B 43 VIN−B 39 VREF 40 SENSE 42 RBIAS 41 CML 49 CLK+ 50 CLK− ADC੺໏ॠ֪๼‫؜‬ 54 FD0+ 53 FD056 FD1+ 55 FD1− 59 FD2+ 58 FD2− 61 FD3+ 60 FD3− Rev. A | Page 21 of 88 AD6655 ᆅগՊࡽ! ᆅগఁ‫!׬‬ ຕጴ๼෇ 52 SYNC ຕጴ๼‫!؜‬ 63 D0+ (LSB) 62 D0− (LSB) 3 D1+ 2 D1− 5 D2+ 4 D2− 7 D3+ 6 D3− 9 D4+ 8 D4− 13 D5+ 12 D5− 15 D6+ 14 D6− 17 D7+ 16 D7− 19 D8+ 18 D8− 23 D9+ 22 D9− 26 D10+ 25 D10− 28 D11+ 27 D11− 30 D12+ 29 D12− 32 D13+ (MSB) 31 D13− (MSB) 11 DCO+ 10 DCO− SPI੦዆ 48 SCLK/DFS 47 SDIO/DCS 51 CSB ႑ࡽ॔੦‫܋‬੨! 33 SMI SDO/OEB 35 SMI SDFS 34 SMI SCLK/PDWN ૌ႙!! ௮ຎ! ๼෇ ຕጴཞօᆅগăৈᆩᇀٗऐఇ๕ă ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫!؜‬ ๼‫؜‬ ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS๼‫؜‬ຕ਍0(+)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS๼‫؜‬ຕ਍0(−)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS๼‫؜‬ຕ਍1(+)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS๼‫؜‬ຕ਍1(−)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS๼‫؜‬ຕ਍2(+)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS๼‫؜‬ຕ਍2(−)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS๼‫؜‬ຕ਍3(+)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS๼‫؜‬ຕ਍3(−)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS๼‫؜‬ຕ਍4(+)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS๼‫؜‬ຕ਍4(−)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS๼‫؜‬ຕ਍5(+)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS๼‫؜‬ຕ਍5(−)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS๼‫؜‬ຕ਍6(+)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS๼‫؜‬ຕ਍6(−)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS๼‫؜‬ຕ਍7(+)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS๼‫؜‬ຕ਍7(−)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS๼‫؜‬ຕ਍8(+)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS๼‫؜‬ຕ਍8(−)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS๼‫؜‬ຕ਍9(+)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS๼‫؜‬ຕ਍9(−)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS๼‫؜‬ຕ਍10(+)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS๼‫؜‬ຕ਍10(−)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS๼‫؜‬ຕ਍11(+)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS๼‫؜‬ຕ਍11(−)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS๼‫؜‬ຕ਍12(+)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS๼‫؜‬ຕ਍12(−)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS๼‫؜‬ຕ਍13(+)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDS๼‫؜‬ຕ਍13(−)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDSຕ਍้ዓ๼‫(؜‬+)ă ཚ‫ڢ‬A/ཚ‫ڢ‬B LVDSຕ਍้ዓ๼‫(؜‬−)ă ๼෇! ๼෇0๼‫؜‬ ๼෇! ሞྔևᆅগఇ๕ူLjSPI‫ز‬ႜ้ዓ/ຕ਍߭๕჋ስᆅগă ሞྔևᆅগఇ๕ူLjSPI‫ز‬ႜຕ਍๼෇/๼‫؜‬/቞੣Բ࿘ۨഗᆅগă SPIೌ჋(‫ۉگ‬ೝᆶၳ)ă ๼෇/๼‫؜‬ ๼‫؜‬ ๼෇/๼‫؜‬ ሞྔևᆅগఇ๕ူLj႑ࡽ॔੦‫ز‬ႜຕ਍๼‫؜‬/๼‫؜‬๑ీ๼෇)‫ۉگ‬ೝᆶၳ*ᆅগă ႑ࡽ॔੦‫ز‬ႜຕ਍ኡཞօă ሞྔևᆅগఇ๕ူLj႑ࡽ॔੦‫ز‬ႜ้ዓ๼‫؜‬/ۖ‫ۉ‬๼෇)ߛ‫ۉ‬ೝᆶၳ*ᆅগă Rev. A | Page 22 of 88 AD6655 ‫ڪ‬ၳ‫ۉ‬ୟ! 1kΩ SCLK/DFS VIN 06709-008 06709-004 26kΩ ཮11. ‫ڪ‬ၳఇె๼෇‫ۉ‬ୟ ཮ 15. ‫ڪ‬ၳSCLK/DFS๼෇‫ۉ‬ୟ AVDD 1.2V 10kΩ CLK– 06709-009 06709-005 CLK+ 1kΩ SENSE 10kΩ ཮12. ‫ڪ‬ၳ้ዓ๼෇‫ۉ‬ୟ ཮16. ‫ڪ‬ၳSENSE‫ۉ‬ୟ DRVDD AVDD 26kΩ 1kΩ DRGND 06709-010 06709-006 CSB ཮ 17. ‫ڪ‬ၳCSB๼෇‫ۉ‬ୟ ཮13. ‫ڪ‬ၳຕጴ๼‫ۉ؜‬ୟ AVDD DRVDD DRVDD VREF 26kΩ 6kΩ 1kΩ 06709-011 06709-007 SDIO/DCS ཮18. ‫ڪ‬ၳVREF‫ۉ‬ୟ ཮14. ‫ڪ‬ၳSDIO/DCS‫ۉ‬ୟईSMI SDFS‫ۉ‬ୟ . Rev. A | Page 23 of 88 AD6655 ‫ۆ‬႙߾ፕ༬Ⴀ ‫ݥأ‬ଷᆶຫ௽LjAVDD = 1.8 VĂDVDD = 1.8 VĂDRVDD = 1.8 VĂ֑ᄣ୲ྺ150 MSPSĂDCS๑ీĂ1.0 Vాևएጚ‫ۉ‬უĂ 2 V‫ރރ‬ኵֶ‫ݴ‬๼෇ĂVIN = −1.0 dBFSĂ64k֑ᄣĂTA = 25°CĂNCO๑ీĂFIR୳հഗ๑ీăසࡕ‫ܾڼ‬Ăෙၿհ࿋ᇀ୳հ ഗཚೕ‫ټ‬ኮాLjሶሞူ௬‫ڦ‬FFT཮ዐࣷᆶՔጀă –20 –60 SECOND HARMONIC THIRD HARMONIC THIRD HARMONIC –120 –120 10 15 20 25 30 35 FREQUENCY (MHz) –140 06709-018 5 0 0 AMPLITUDE (dBFS) –60 –80 20 25 30 35 FREQUENCY (MHz) –140 06709-019 15 0 0 AMPLITUDE (dBFS) –60 THIRD HARMONIC –80 15 20 25 30 35 FREQUENCY (MHz) 06709-020 –120 10 30 35 –80 –120 5 25 –60 –100 0 20 –40 –100 –140 15 150MSPS 332.1MHz @ –1dBFS SNR = 71.7dBc (72.7dBFS) SFDR = 95.0dBc fNCO = 321.5MHz –20 –40 10 ཮23. AD6655-150‫ڇ‬ᅼFFTDŽfIN = 220.1 MHzĂfNCO = 205 MHzDž 150MSPS 140.1MHz @ –1dBFS SNR = 74.3dBc (75.3dBFS) SFDR = 83.3dBc fNCO = 56MHz –20 5 FREQUENCY (MHz) ཮20. AD6655-150‫ڇ‬ᅼFFTDŽfIN = 30.3 MHzĂfNCO = 24 MHzDž 0 35 THIRD HARMONIC –120 10 30 –80 –120 5 25 –60 –100 0 20 –40 –100 –140 15 150MSPS 220.1MHz @ –1dBFS SNR = 71.8dBc (72.8dBFS) SFDR = 81.4dBc fNCO = 205MHz –20 –40 10 ཮22. AD6655-150‫ڇ‬ᅼFFT)fIN = 140.1 MHzĂfNCO = 126 MHz* 150MSPS 30.3MHz @ –1dBFS SNR = 74.8dBc (75.8dBFS) SFDR = 100dBc fNCO = 24MHz –20 5 FREQUENCY (MHz) ཮19. AD6655-150‫ڇ‬ᅼFFTDŽfIN = 2.4 MHzĂfNCO = 18.75 MHzDž 0 SECOND HARMONIC –80 –100 0 AMPLITUDE (dBFS) –60 –100 –140 AMPLITUDE (dBFS) –40 06709-021 AMPLITUDE (dBFS) –40 –80 150MSPS 140.1MHz @ –1dBFS SNR = 73.7dBc (74.7dBFS) SFDR = 82.8dBc fNCO = 126MHz 06709-022 –20 AMPLITUDE (dBFS) 0 150MSPS 2.4MHz @ –1dBFS SNR = 74.7dBc (75.7dBFS) SFDR = 86.5dBc fNCO = 18.75MHz –140 0 5 10 15 20 25 FREQUENCY (MHz) 30 35 06709-023 0 ཮24. AD6655-150‫ڇ‬ᅼFFT(fIN = 332.1 MHzĂfNCO = 321.5 MHz) ཮21. AD6655-150‫ڇ‬ᅼFFTDŽfIN = 70.1 MHzĂfNCO = 56 MHz Rev. A | Page 24 of 88 AD6655 –20 AMPLITUDE (dBFS) –40 SECOND HARMONIC –60 THIRD HARMONIC –80 THIRD HARMONIC –80 –120 –120 5 10 15 20 25 30 35 FREQUENCY (MHz) –140 0 0 AMPLITUDE (dBFS) THIRD HARMONIC –100 20 25 30 125MSPS 140.1MHz @ –1dBFS SNR = 74.1dBc (75.1dBFS) SFDR = 90.3dBc fNCO = 142MHz –20 SECOND HARMONIC –80 15 0 –40 –60 10 ཮28. AD6655-125‫ڇ‬ᅼFFT(fIN = 70.3 MHzĂfNCO = 78 MHz) 125MSPS 2.4MHz @ –1dBFS SNR = 74.5dBc (75.5dBFS) SFDR = 87.8dBc fNCO = 15.75MHz –20 5 FREQUENCY (MHz) ཮25. AD6655-150‫ڇ‬ᅼFFT(fIN = 445.1 MHzĂfNCO = 429 MHz) –40 –60 THIRD HARMONIC –80 –100 –120 0 5 10 15 20 25 30 FREQUENCY (MHz) –140 06709-025 –140 0 15 0 AMPLITUDE (dBFS) –60 THIRD HARMONIC –80 –100 25 30 125MSPS 220.1MHz @ –1dBFS SNR = 73.4dBc (74.4dBFS) SFDR = 90.2dBc fNCO = 231MHz –20 –40 20 ཮29. AD6655-125‫ڇ‬ᅼFFT(fIN = 140.1 MHzĂfNCO = 142 MHz) 125MSPS 30.3MHz @ –1dBFS SNR = 74.7dBc (75.7dBFS) SFDR = 89.6dBc fNCO = 21MHz –20 10 FREQUENCY (MHz) ཮26. AD6655-125‫ڇ‬ᅼFFT)fIN = 2.4 MHzĂfNCO = 15.75 MHz* 0 5 06709-028 –120 –40 –60 –80 –100 –120 –140 0 5 10 15 20 25 30 FREQUENCY (MHz) 06709-026 –120 ཮27. AD6655-125‫ڇ‬ᅼFFT(fIN = 30.3 MHzĂfNCO = 21 MHz) –140 0 5 10 15 20 FREQUENCY (MHz) 25 30 06709-029 AMPLITUDE (dBFS) –60 –100 –140 AMPLITUDE (dBFS) –40 –100 0 125MSPS 70.3MHz @ –1dBFS SNR = 74.6dBc (75.6dBFS) SFDR = 86.1dBc fNCO = 78MHz –20 06709-024 AMPLITUDE (dBFS) 0 150MSPS 445.1MHz @ –1dBFS SNR = 67.4dBc (65.4dBFS) SFDR = 74.1dBc fNCO = 429MHz 06709-027 0 ཮30. AD6655-125‫ڇ‬ᅼFFT(fIN = 220.1 MHzĂfNCO = 231 MHz) Rev. A | Page 25 of 88 AD6655 95 120 80 90 SFDR (dBFS) SFDR = +85°C 85 SNR (dBFS) SNR/SFDR (dBc) SNR/SFDR (dBc AND dBFS) 100 60 40 SFDR (dBc) SFDR = +25°C 80 SFDR = –40°C 75 SNR = +25°C SNR = +85°C SNR = –40°C 70 85dB REFERENCE LINE 20 65 –80 –70 –60 –50 –40 –30 –20 –10 0 INPUT AMPLITUDE (dBFS) 60 06709-030 0 –90 0 50 100 150 200 250 300 350 400 450 INPUT FREQUENCY (MHz) ཮31. AD6655-150‫ڇ‬ᅼ႑ሯԲ/࿮ሗො‫ۯ‬ༀ‫ྷݔ‬ᇑ๼෇‫(܈ޗ‬AIN )‫࠲ڦ‬ဣ (fIN = 2.4 MHzĂfNCO = 18.75 MHz) 06709-033 SNR (dBc) ཮34. AD6655-125‫ڇ‬ᅼ႑ሯԲ/࿮ሗො‫ۯ‬ༀ‫ྷݔ‬ᇑ๼෇ೕ୲ (fIN )ࢅ࿒‫࠲ڦ܈‬ဣ(DRVDD = 3.3 V) 120 –1.5 0.5 –2.0 0.4 SNR (dBFS) 80 GAIN ERROR (%FSR) SNR/SFDR (dBc AND dBFS) 100 60 SFDR (dBc) 40 85dB REFERENCE LINE –2.5 0.3 OFFSET –3.0 0.2 GAIN –3.5 20 OFFSET ERROR (%FSR) SFDR (dBFS) 0.1 SNR (dBc) –70 –60 –50 –40 –30 –20 –10 0 INPUT AMPLITUDE (dBFS) –4.0 –40 0 20 40 60 80 TEMPERATURE (°C) ཮32. AD6655-150‫ڇ‬ᅼ႑ሯԲ/࿮ሗො‫ۯ‬ༀ‫ྷݔ‬ᇑ๼෇‫(܈ޗ‬AIN )‫࠲ڦ‬ဣ (fIN = 98.12 MHzĂfNCO = 100.49 MHz) ཮35. AD6655-150ሺᅮࢅೋዃᇑ࿒‫࠲ڦ܈‬ဣ 95 0 90 –20 SFDR/IMD3 (dBc AND dBFS) SFDR = +85°C 85 SFDR = +25°C 80 SFDR = –40°C 75 SNR = +25°C SNR = +85°C SNR = –40°C 70 SFDR (dBc) –40 IMD3 (dBc) –60 –80 IMD3 (dBFS) SFDR (dBFS) 65 60 0 50 100 150 200 250 300 INPUT FREQUENCY (MHz) 350 400 450 –120 –90 ཮33. AD6655-125‫ڇ‬ᅼ႑ሯԲ/࿮ሗො‫ۯ‬ༀ‫ྷݔ‬ᇑ๼෇ೕ୲ (fIN )ࢅ࿒‫࠲ڦ܈‬ဣDŽDRVDD = 1.8 VDž –78 –66 –54 –42 –30 INPUT AMPLITUDE (dBFS) –18 –6 06709-035 –100 06709-032 SNR/SFDR (dBc) 0 –20 06709-034 –80 06709-031 0 –90 ཮36. AD6655-150ມᅼ࿮ሗො‫ۯ‬ༀ‫ྷݔ‬/ ෙ঩঍ۙ฿ኈᇑ๼෇‫(܈ޗ‬AIN)‫࠲ڦ‬ဣ )fIN1 = 29.12 MHzĂfIN2 = 32.12 MHzĂfS = 150 MSPSĂfNCO = 22 MHz* Rev. A | Page 26 of 88 AD6655 0 0 SFDR (dBc) AMPLITUDE (dBFS) –40 IMD3 (dBc) –60 –80 –40 –60 –80 –100 IMD3 (dBFS) SFDR (dBFS) –100 –120 –66 –54 –42 –30 –18 –6 INPUT AMPLITUDE (dBFS) –140 ཮37.AD6655-150ມᅼ࿮ሗො‫ۯ‬ༀ‫ྷݔ‬/ෙ঩঍ۙ฿ኈᇑ๼෇‫(܈ޗ‬AIN )‫࠲ڦ‬ဣ DŽfIN1 = 169.12 MHzĂfIN2 = 172.12 MHzĂfS = 150 MSPSĂfNCO = 177 MHzDž 0 –20 –40 –40 AMPLITUDE (dBFS) –20 –120 06709-037 –120 5 10 15 20 25 0 7.5 15.0 22.5 30.0 37.5 FREQUENCY (MHz) ཮41. AD6655-150ሯำࠀ୲Բ(NPR) 95 150MSPS 29.12MHz @ –7dBFS 32.12MHz @ –7dBFS SFDR = 89.1dBc (96.1dBFS) fNCO = 22MHz SFDR (dBc) –40 SNR/SFDR (dBc) AMPLITUDE (dBFS) 35 –140 30 ཮38. AD6655-125ມ64k WCDMAሜհ DŽfIN = 170 MHzĂfS = 122.88 MHzĂfNCO = 168.96 MHzDž –20 30 NPR = 64.5dBc NOTCH @ 18.5MHz NOTCH WIDTH = 3MHz FREQUENCY (MHz) 0 25 –80 –100 0 20 –60 –100 –140 15 ཮40. AD6655-150ມᅼFFT )fIN1 = 169.12 MHzĂfIN2 = 172.12 MHzĂfS = 150 MSPSĂfNCO = 177 MHz* 0 –80 10 FREQUENCY (MHz) 0 –60 5 06709-039 –78 06709-036 –120 –90 06709-040 SFDR/IMD3 (dBc AND dBFS) –20 AMPLITUDE (dBFS) 150MSPS 169.12MHz @ –7dBFS 172.12MHz @ –7dBFS SFDR = 85.5dBc (92.5dBFS) fNCO = 177MHz –20 –60 –80 85 SNR (dBc) 75 –100 0 5 10 15 20 25 FREQUENCY (MHz) 30 35 ཮39. AD6655-150ມᅼFFT (fIN1 = 29.12 MHzĂfIN2 = 32.12 MHzĂfS = 150 MSPSĂfNCO = 22 MHz) Rev. A | Page 27 of 88 65 06709-041 –140 06709-038 –120 0 25 50 75 100 125 SAMPLE RATE (MSPS) ཮42. AD6655-150‫ڇ‬ᅼ႑ሯԲ/࿮ሗො‫ۯ‬ༀ‫ྷݔ‬ ᇑ֑ᄣ୲(fs)‫࠲ڦ‬ဣ(fIN = 2.3 MHz) 150 AD6655  12 90 0.85 LSB rms 85 SFDR 8 SNR/SFDR (dBc) 6 4 N–3 N–2 N–1 N N+1 N+2 N+3 OUTPUT CODE 06709-042 0 ཮43. AD6655থ‫ں‬๼෇኱‫཮ݛ‬ SNR 85 SFDR DCS ON SFDR DCS OFF 80 SNR DCS ON 75 40 50 60 70 80 DUTY CYCLE (%) 06709-043 SNR DCS OFF 30 65 0.2 0.4 0.6 0.8 1.0 1.2 INPUT COMMON-MODE VOLTAGE (V) 1.4 ཮45. AD6655-150 ႑ሯԲ/࿮ሗො‫ۯ‬ༀ‫ྷݔ‬ᇑ๼෇ࠌఇ‫ۉ‬უ (VCM)‫࠲ڦ‬ဣDŽfIN = 30.3 MHzĂfNCO = 45 MHzDž 90 SNR/SFDR (dBc) 75 70 2 70 20 80 06709-044 NUMBER OF HITS (1M) 10 ཮44. AD6655-150 ႑ሯԲ/࿮ሗො‫ۯ‬ༀ‫ྷݔ‬ᇑ቞੣Բ‫࠲ڦ‬ဣ (fIN = 30.3 MHzĂfNCO = 45 MHz) Rev. A | Page 28 of 88 AD6655 ߾ፕᇱ૙ AD6655ਏᆶଇ߲ఇె๼෇ཚ‫ڢ‬Ăଇ߲؏ൽཚ‫ࢅڢ‬ଇ߲ຕጴ ๼‫؜‬ཚ‫ڢ‬ăዐೕ(IF)๼෇႑ࡽႴᄲঢ়ࡗ‫ܠ‬प‫୳ڦ‬հࢅ؏ൽ ‫ت‬૙Lj֍ీ‫؜ྺׯ‬၄ሞ๼‫ڦ܋؜‬ຕጴ႑ࡽă ఇె๼෇੊୯ AD6655‫ڦ‬ఇె๼෇‫܋‬๟ᅃֶ߲‫ݴ‬ਸ࠲‫ۉ‬ඹSHALjഄ‫ت‬૙ֶ ‫ݴ‬๼෇႑ࡽ‫ڦ‬Ⴀీटॅă ມADCยऺ੗ᆩᇀ႑ࡽ‫ݴ‬णথ๭Ǘଇ߲ADCᅜ၎ཞ‫ݛ‬๕‫ت‬ ૙ઠጲଇ߲‫܀‬૬ཀ၍‫ڦ‬၎ཞሜհăଷྔLjADC࣏੗‫ت‬૙‫ڇ‬ ‫ڦ܀‬ఇె๼෇႑ࡽăᆩࢽీࠕ঺ዺADC๼෇‫گڦ܋‬ཚ୳հ ഗई‫ټ‬ཚ୳հഗLj‫ܔ‬ඪᅃfS/2ೕ܎(ٗ኱ୁ‫ڟ‬150 MHz)‫ڦ‬႑ ࡽ৊ႜ֑ᄣLjኄփࣷ௽၂ই‫گ‬ADC‫ڦ‬ႠీăADC੗‫ܔ‬450 MHzఇె๼෇႑ࡽ৊ႜ‫ت‬૙Lj‫ڍ‬ኄࣷे‫ٷ‬ADC‫ڦ‬ሯำࢅ฿ ኈă SHAߵ਍้ዓ႑ࡽLjሞ֑ᆩఇ๕ࢅԍ‫׼‬ఇ๕ኮक़ൎ࣑(९཮ 46)ă‫ړ‬SHAൎ࣑‫֑ڟ‬ᄣఇ๕้Lj႑ࡽᇸՂႷీࠕ‫֑ܔ‬ᄣ‫ۉ‬ ඹ؊‫ۉ‬൐ሞӷ้߲ዓዜ೺ాྜ‫ॺׯ‬૬ă ሞ‫ݴݥ‬णᆌᆩ‫ࢇׇ‬LjAD6655੗ᆩፕए‫ټ‬থ๭ഗăُ้Lj੗ ॽᅃ߲ADCᆩᇀI๼෇ຕ਍Ljଷᅃ߲ᆩᇀQ๼෇ຕ਍ă ሞዐೕവ֑ᄣᆌᆩዐLjႴᄲඁۖժ૴‫ۉ‬ඹăᅺྺժ૴‫ۉ‬ඹ ᇑൻ‫ۯ‬ᇸፆੇࠌཞፕᆩLjࣷ၌዆๼෇‫੻ټ‬ă࠲ᇀُࣆ༶‫ڦ‬ ߸‫ܠ‬႑တLj൩֖ለᆌᆩԴऻAN-742“ਸ࠲‫ۉ‬ඹADC‫ڦ‬ೕᇘ ၚᆌ”ĂᆌᆩԴऻAN-827“‫ٷݣ‬ഗᇑਸ࠲‫ۉ‬ඹADCথ੨‫ڦ‬ၿ ና೅ದ‫ࢅ”݆ݛ‬Analog Dialogue‫ڦ‬࿔ቤ“ᆩᇀ੻‫ټ‬ఇຕገ࣑ ഗ‫ڦ‬Վუഗ᳘ࢇമ‫(”܋‬www.analog.com)ăཚ‫׉‬Ljఇຕገ࣑ ‫ڦ‬৛‫܈‬ൽਦᇀᆌᆩă ཞօࠀీᆩᇀ‫߲ܠ‬ཚ‫ڢ‬ई‫߲ܠ‬ഗॲኮक़‫ڦ‬ཞօ้ۨăยዃ NCO၎࿋੗ᅜׂิ၎‫ܔ‬ᇀଷᅃཚ‫ڢ‬ईഗॲ‫ڦ‬ᅙኪೋᅎă ADCॐࠓ AD6655ॐࠓᆯᅃ߲മ‫֑܋‬ᄣԍ‫ٷݣ׼‬ഗ(SHA)ࢅഄࢫ‫ୁڦ‬ ຤၍႙ਸ࠲‫ۉ‬ඹADCፇ‫ׯ‬ă߲߳प‫ڦ‬ଉࣅ๼‫؜‬ፇࢇሞᅃ ഐLjሞຕጴၯኟஇडዐፌዕႚ‫ׯ‬ᅃ߲14࿋ገ࣑঳ࡕăୁ຤ ၍঳ࠓሎႹ‫ڼ‬ᅃप‫ت‬૙ႎ‫ڦ‬๼෇֑ᄣ‫ۅ‬Ljܸഄ໲पीჄ‫ت‬ ૙ኮമ‫֑ڦ‬ᄣ‫ۅ‬ă֑ᄣሞ้ዓ‫ڦ‬ฉืᄂ৊ႜă ௅߲๼෇‫૴زۼ܋‬ᅃ߲ၭ‫ۉ‬ፆLj੗ᅜই‫گ‬ൻ‫ۯ‬ᇸ๼‫؜‬प໯ Ⴔ‫ރڦ‬ኵຨༀ‫ୁۉ‬ăሞଇ߲๼෇‫܋‬ኮक़੗ದዃᅃ߲ժ૴‫ۉ‬ ඹLjᅜ༵ࠃ‫ۯ‬ༀ؊‫ୁۉۉ‬ăُ࿮ᇸྪஏీሞADC๼෇‫܋‬ႚ ‫گׯ‬ཚ୳հഗǗᅺُLjఇຕገ࣑‫ڦ‬৛‫܈‬ൽਦᇀᆌᆩă S CH S CS ‫أ‬ፌࢫᅃपᅜྔLjୁ຤၍‫ڦ‬௅ᅃप‫ۼ‬Ԉઔᅃ߲‫ݴگ‬Ր୲ flash႙ADCĂᅃ߲ਸ࠲‫ۉ‬ඹຕఇገ࣑ഗ(DAC)ࢅᅃ߲पक़ ᇆଉ‫ٷݣ‬ഗፇ‫ׯ‬ăᇆଉ‫ٷݣ‬ഗᆩᇀ‫ٷݣ‬ዘࠓDAC๼‫؜‬ᇑ flash๼෇ኮक़‫ֶڦ‬Ljᆩᇀୁ຤၍‫ူڦ‬ᅃपăྺକՍᇀํ၄ ຕጴၯኟflash‫ٱ‬ဃLjሞ௅ᅃपยۨକ1࿋‫ڦ‬රᇆଉăፌࢫᅃ पৈᆯᅃ߲flash႙ADCፇ‫ׯ‬ă VIN+ CPIN, PAR S H CS VIN– S 06709-048 CH CPIN, PAR ཮46. ਸ࠲‫ۉ‬ඹSHA๼෇ ྺ‫ڟڥ‬ፌॅ‫ۯ‬ༀႠీLjՂႷԍኤൻ‫ۯ‬VIN+‫ڦ‬ᇸፆੇᇑൻ‫ۯ‬ VIN−‫ڦ‬ᇸፆੇ၎೅ದLjܸٗԍኤࠌఇॺ૬ဃֶ๟‫ڦ׬ܔ‬ă ኄၵဃֶࣷᆯADC‫ࠌڦ‬ఇᅞ዆ܸ३ၭă ాևֶ‫ݴ‬एጚ࣐؋ഗᆩᇀႚ‫ׯ‬ኟ޶एጚ‫ۉ‬უLj৊ܸਦۨ ADCాࢃ‫ڦ‬๼෇‫ྷݔ‬ăएጚ࣐؋ഗ‫ڦ‬๼‫ࠌ؜‬ఇ‫ۉ‬უยྺ VCMREF)ሀ1.6 V*ă ๼෇ࠌఇ! AD6655‫ڦ‬ఇె๼෇‫܋‬࿮ాև኱ୁೋዃăሞ঍ୁ᳘ࢇᆌᆩ ዐLjᆩࢽՂႷ༵ࠃྔևೋዃăྺీࠕइ‫ڥ‬ፌॅႠీLjॺᅱ ᆩࢽ‫ܔ‬ഗॲยዃྺVCM‫ڦ‬ኵ‫ڪٳ‬ᇀ0.55 × AVDDǗ‫ڍ‬ഗॲ੗ ᅜሞ߸੻‫ۼాྷݔڦ‬इ‫ࢇڥ‬૙‫ڦ‬Ⴀీ)९཮45*ă Rev. A | Page 29 of 88 AD6655 ႊೌཚࡗCMLᆅগ༵ࠃӱฉࠌఇएጚ‫ۉ‬უăཚࡗCMLᆅগ ༵ࠃఇె๼෇ࠌఇ‫ۉ‬უ(‫ۆ‬႙ኵྺ0.55 × AVDD)้Lj੗ํ၄ ႊೌ‫ڦ‬ፌॅႠీă ሞ჋ስՎუഗ้LjՂႴ੊୯ഄ႑ࡽ༬Ⴀă‫ܠٷ‬ຕพೕՎუ ഗሞ߾ፕೕ୲‫گ‬ᇀबቹࢍጦ้Ljׂิԏࢅ၄ၡă႑ࡽࠀ୲ ࡗ‫ٷ‬ᄺ੗‫ڞ‬ዂాࢃԏࢅLjܸٗ‫ڞ‬ዂ฿ኈă ֶ‫ݴ‬๼෇ದዃ! ‫ړ‬๼෇ೕ୲‫ت‬ᇀ‫ܾڼ‬ई߸ߛలઊຯ༬൶ᇘ้Lj‫ܠٷ‬ຕ‫ٷݣ‬ ഗ‫ڦ‬ሯำႠీ࿮݆஢ፁᄲ൱ᅜ‫ڟٳ‬AD6655ኈኟ‫ڦ‬SNRႠ ీăሞSNRྺ࠲॰֖ຕ‫ڦ‬ᆌᆩዐLjॺᅱ๑ᆩ‫ڦ‬๼෇ದዃ๟ ֶ‫ݴ‬ມә୿᳘ࢇ(९཮49)ă ཚࡗֶ‫ݴ‬๼෇ದዃൻ‫ۯ‬AD6655้Lj੗ํ၄ႊೌ‫ڦ‬ፌॅႠ ీăሞए‫ټ‬ᆌᆩዐLjAD8138ĂADA4937-2ࢅADA4938-2ֶ ‫ݴ‬ൻ‫ۯ‬ഗీࠕྺADC༵ࠃ‫؜‬෥‫ڦ‬Ⴀీࢅଳऄ‫ڦ‬থ੨ăཚࡗ AD6655‫ڦ‬CMLᆅগLj੗ᅜ‫ݛ‬Ս‫ں‬ยዃAD8138‫ڦ‬๼‫ࠌ؜‬ఇ ‫ۉ‬უ(९཮47)Ǘൻ‫ۯ‬ഗ੗ᅜದዃྺSallen-Key୳հഗྊ೫঳ ࠓLjܸٗ‫ܔ‬๼෇႑ࡽ৊ႜ‫੻ټ‬၌዆ă ೕ୲ሞ‫ܾڼ‬లઊຯ༬൶ᇘా‫ࢪ้ڦ‬Lj‫أ‬କ๑ᆩՎუഗ᳘ࢇ ๼෇ྔLj࣏੗ᅜ๑ᆩAD8352ֶ‫ݴ‬ൻ‫ۯ‬ഗ(९཮50)ăၘ൧൩ ֖९AD8352ຕ਍๮֩ăଷྔLjසႴ๑ᆩ੗Վሺᅮ‫ٷݣ‬ഗLj ੗֑ᆩAD8375ࢅAD8376ຕጴ੗Վሺᅮ‫ٷݣ‬ഗ(DVGA)ઠൻ ‫ۯ‬AD6655ᅜइ‫ڥ‬ᆫႯ‫ڦ‬Ⴀీă 499Ω R 49.9Ω VIN+ AVDD 499Ω 523Ω AD6655 C AD8138 R CML VIN– ሞඪࢆದዃዐLjժ૴‫ۉ‬ඹኵC਩ൽਦᇀ๼෇ೕ୲ࢅᇸፆ ੇLjժ൐੗ీႴᄲই‫ۉگ‬ඹଉईඁۖ޿ժ૴‫ۉ‬ඹă՗14ଚ ‫؜‬କยዃRCྪஏ‫ॺڦ‬ᅱኵăփࡗLjኄၵኵൽਦᇀ๼෇႑ ࡽLj൐ኻీᆩፕ‫؛‬๔֖੊ă 499Ω ཮47. ૧ᆩAD8138৊ႜֶ‫ݴ‬๼෇ದዃ ሞSNRྺ࠲॰֖ຕ‫ڦ‬ए‫ټ‬ᆌᆩዐLjॺᅱ๑ᆩ‫ڦ‬๼෇ದዃ๟ ֶ‫ݴ‬Վუഗ᳘ࢇLjස཮48‫ڦ‬๖૩ăྺํ၄ఇె๼෇ೋዃLj ႷॽCML‫ۉ‬უ૶থ‫ڟ‬Վუഗْपජፇ‫ڦ‬ዐ႐؏ཀྵ‫ت‬ă R 49.9Ω VIN+ C AD6655 R CML VIN– ೕ୲‫(ྷݔ‬MHz) ‫ۉ૴ز‬ፆR (Ω) ֶ‫ۉݴ‬ඹC (pF) 0 ዁ 70 70 ዁ 200 200 ዁ 300 >300 33 33 15 15 15 5 5 ܏ਸ 06709-050 0.1μF ཮48. ֶ‫ݴ‬Վუഗ᳘ࢇದዃ 0.1μF 0.1μF R VIN+ 2V p-p 25Ω PA S S P 25Ω 0.1μF AD6655 C 0.1μF R CML VIN– 06709-051 2V p-p ՗14. RCྪஏ๖૩ ཮48. ֶ‫ݴ‬Վუഗ᳘ࢇದዃ VCC 0.1μF ANALOG INPUT 0Ω 16 8, 13 1 11 0.1μF 0.1μF 2 CD RD RG 3 5 0.1μF 0Ω VIN+ AD8352 10 4 ANALOG INPUT R 200Ω C 0.1μF 200Ω R AD6655 VIN– CML 14 0.1μF ཮48. ֶ‫ݴ‬Վუഗ᳘ࢇದዃ Rev. A | Page 30 of 88 0.1μF 06709-052 0.1μF 06709-049 1V p-p AD6655 ‫܋ڇ‬๼෇ದዃ ‫܋ڇ‬๼෇ሞ‫ׯܔ‬Ԩ௺ߌ‫ڦ‬ᆌᆩዐ੗ᅜ஢ፁႠీᄲ൱ăሞُ ದዃዐLjᆯᇀ๼෇ࠌఇӦ‫ۯ‬ড‫ٷ‬LjᅺُLjࣷই‫گ‬࿮ሗො‫ۯ‬ ༀ‫(ྷݔ‬SFDR)ࢅ฿ኈႠీăසࡕ௅߲๼෇‫߳ڦ܋‬႑ࡽᇸፆ ੇ‫ۼ‬๟೅ದ‫ڦ‬Ljሶ‫ܔ‬႑ሯԲ(SNR)Ⴀీ‫ڦ‬ᆖၚटၭă཮51 ၂๖‫ۆ‬႙‫܋ڇڦ‬๼෇ದዃă ࿮ஃႊೌ๑ᆩాևएጚ‫ۉ‬უ࣏๟ྔևएጚ‫ۉ‬უLjBED‫ۉڦ‬ უ๼෇‫ྷݔ‬๔ዕ๟एጚ‫ۉ‬უᆅগ‫ۉ‬უ‫ڦ‬ଇԠă AVDD VIN+A/VIN+B VIN–A/VIN–B 1kΩ R 0.1μF 1kΩ AVDD 1kΩ 10μF 0.1μF ADC CORE AD6655 C R VIN– 1kΩ VREF 1.0μF 0.1μF ཮51. ‫܋ڇ‬๼෇ದዃ SELECT LOGIC SENSE 0.5V एጚ‫ۉ‬უ AD6655ాዃ࿘ۨĂ৛ඓ‫ڦ‬एጚ‫ۉ‬უᇸăཚࡗ߀Վแेᇀ AD6655‫ڦ‬एጚ‫ۉ‬უ(ాևएጚ‫ۉ‬უईྔևएጚ‫ۉ‬უ)Lj੗ᅜ ۙኝ‫ۉ‬უ๼෇‫ྷݔ‬ăADCएጚ๼෇‫ۉ‬უ‫װྷݔ‬၍ႠՎࣅă ሞথူઠ‫ڦ‬ቤবዐLjॽ‫߳ܔ‬ዖएጚఇ๕৊ႜ঻ถă“एጚ ‫ۉ‬უඁ᳘”և‫ၘݴ‬ဦ௮ຎएጚ‫ۉ‬უ‫ڦ‬ፌॅPCBքਆք၍ă AD6655 ཮52.ాևएጚ‫ۉ‬უದዃ VIN+A/VIN+B VIN–A/VIN–B ాևएጚ‫ۉ‬უ૶থ! ADC CORE AD6655‫ాڦ‬ዃԲডഗ੗ॠ֪‫؜‬SENSEᆅগ‫ۉڦ‬უLjܸٗॽ एጚ‫ۉ‬უದዃ‫຺ׯ‬ዖփཞ‫ڦ‬ఇ๕(९՗15)ăසࡕSENSEᆅ গথ‫ں‬Ljሶएጚ‫ٷݣ‬ഗਸ࠲ᇑాև‫ۉ‬ፆ‫ݴ‬უഗ၎૶(९཮ 52)LjᅺܸॽVREFยྺ1.0 VăॽSENSEᆅগᇑVREF၎૶Lj ੗ॽएጚ‫ٷݣ‬ഗ๼‫܋؜‬ൎ࣑዁SENSEᆅগLjܸٗႚ‫ׯ‬ᅃ߲ ࣍ୟLj༵ࠃ0.5 Vएጚ๼‫ۉ؜‬უăසࡕႊೌᇑᅃ߲ྔև‫ۉ‬ፆ ‫ݴ‬უഗ၎૶(ස཮53)Ljሶਸ࠲ᄺൎ࣑዁SENSEᆅগă VREF 1.0μF 0.1μF R2 SELECT LOGIC SENSE 0.5V R1 AD6655 ཮53. ੗Պ‫ײ‬एጚ‫ۉ‬უದዃ ՗15 एጚ‫ۉ‬უದዃ ჋ስఇ๕ ྔևएጚ‫ۉ‬უ SENSE‫ۉ‬უ AVDD ၎ᆌ‫ڦ‬VREF (V) N/A ၎ᆌ‫(ྷݔݴֶڦ‬Vp-p) ాևࠦۨएጚ‫ۉ‬უ! VREF 0.5 1.0 ੗Պ‫ײ‬एጚ‫ۉ‬უ 0.2 V ዁ VREF ాևࠦۨएጚ‫ۉ‬უ AGND ዁ 0.2 V (֖९཮53) 1.0 Rev. A | Page 31 of 88 2 × ྔևएጚ‫ۉ‬უ! 2 × VREF 2.0 06709-055 49.9Ω 06709-053 2V p-p VIN+ 06709-054 10μF ኄᄣLj੗๑एጚ‫ٷݣ‬ഗ৊෇ཞ၎ఇ๕ǗVREF๼‫ۉ܋؜‬უ ‫ऺڦ‬໙ࠅ๕සူǖ AD6655 AVDD සႴ૧ᆩAD6655‫ాڦ‬ևएጚ‫ۉ‬უઠൻ‫߲ܠۯ‬ገ࣑ഗLjܸٗ ༵ߛሺᅮ‫ڦ‬೅ದ‫܈‬LjሶՂႷ੊୯‫ڟ‬ഄ໲ገ࣑ഗ‫ܔ‬एጚ‫ۉ‬უ ‫޶ڦ‬ሜă཮54ຫ௽޶ሜසࢆᆖၚాևएጚ‫ۉ‬უă 1.2V CLK+ CLK– 0 2pF 06709-058 2pF –0.25 VREF = 1.0V ཮56. ‫ڪ‬ၳ้ዓ๼෇‫ۉ‬ୟ –0.50 ้ዓ๼෇჋ၜ! AD6655‫ ้ ڦ‬ዓ ๼ ෇ ঳ ࠓ ‫ ׉ ݥ‬ଳ ऄ ă CMOSĂ LVDSĂ LVPECLईኟ၀հ႑ࡽ਩੗ፕྺഄ้ዓ๼෇႑ࡽă࿮ஃ֑ ᆩనዖ႑ࡽLj‫ۼ‬ՂႷ੊୯‫้ڟ‬ዓᇸ۶‫)ۯ‬९“۶‫੊ۯ‬୯”և‫ݴ‬ ຫ௽*ă –0.75 –1.00 –1.25 0 0.5 1.0 1.5 2.0 LOAD CURRENT (mA) 06709-056 REFERENCE VOLTAGE ERROR (%) VREF = 0.5V ཮54. VREF৛‫܈‬ᇑ޶ሜ‫࠲ڦ‬ဣ ྔևएጚ‫ۉ‬უ! ՂႷ֑ᆩྔևएጚ‫ۉ‬უ֍੗ీ༵ߛADCሺᅮ৛‫܈‬Ă߀฀ඤ ೏ᅎ༬Ⴀă཮55၂๖ాևएጚ‫ۉ‬უྺ1.0Vࢅ0.5V้‫ۆڦ‬႙ ೏ᅎ༬Ⴀă ཮57ࢅ཮58၂๖ଇዖྺAD6655༵ࠃ้ዓ႑ࡽ‫ڦ‬๯჋‫݆ݛ‬ )้ዓ໏୲੗‫ٳ‬625 MHz*ă૧ᆩพೕՎუഗLj੗ॽ‫گ‬۶‫้ۯ‬ ዓᇸ‫܋ڇڦ‬႑ࡽገ࣑‫ݴֶׯ‬႑ࡽăੵথሞՎუഗْपฉ‫ڦ‬ ԝ‫ܔ‬ԝၰ༬एܾट࠶੗ᅜॽ๼෇‫ڟ‬AD6655ዐ‫้ڦ‬ዓ႑ࡽ၌ ዆ྺሀֶ‫ݴ‬0.8 V‫ރރ‬ኵăኄᄣLj़੗ᅜԍା႑ࡽ‫੺ڦ‬໏ฉ ืࢅူই้क़Lj࣏੗ᅜ‫ݞ‬ኹ้ዓ‫ۉٷڦ‬უӦ‫ޗ‬ઍཚ዁ AD6655‫ڦ‬ഄ໲և‫ݴ‬Ljኄᅃ‫گܔۅ‬۶‫ۯ‬Ⴀీઠຫ‫׉ݥ‬ዘᄲă 2.5 Mini-Circuits® ADT1–1WT, 1:1Z 0.1μF XFMR 0.1μF 1.5 CLOCK INPUT 1.0 CLK+ ADC AD6655 100Ω 50Ω 0.1μF CLK– 0.5 0 –0.5 06709-059 SCHOTTKY DIODES: HSMS2822 0.1μF ཮57. Վუഗ᳘ࢇֶ‫้ݴ‬ዓ(ೕ୲੗‫ٳ‬200 MHz) –1.0 –1.5 –2.0 1nF –20 0 20 40 TEMPERATURE (°C) 60 80 06709-057 –2.5 –40 CLOCK INPUT ้ዓ๼෇੊୯ CLK+ 50Ω ADC AD6655 0.1μF 1nF ཮55. ‫ۆ‬႙VREF೏ᅎ ॽSENSEᆅগᇑAVDD၎૶Lj੗ᅜ্ᆩాևएጚ‫ۉ‬უLjٗ ܸሎႹ๑ᆩྔևएጚ‫ۉ‬უăాևएጚ‫ۉ‬უ࣐؋ഗ‫ྔܔ‬ևए ጚ‫ۉ‬უ‫ڪ‬ၳྺ6 kΩ޶ሜ(९཮18)ăాև࣐؋ഗ੗ᅜྺADCా ࢃิ‫ׯ‬ኟĂ޶஢ଉ‫ײ‬एጚ‫ۉ‬უăᅺُLjྔևएጚ‫ۉ‬უ‫ڦ‬ፌ ‫ٷ‬ኵྺ1.0 Vă 0.1μF CLK– SCHOTTKY DIODES: HSMS2822 06709-157 REFERENCE VOLTAGE ERROR (mV) 2.0 ཮58. ә୿᳘ࢇֶ‫้ݴ‬ዓ(ೕ୲੗‫ٳ‬625 MHz) සࡕுᆶ‫گ‬۶‫้ڦۯ‬ዓᇸLjఫ஺Ljଷᅃዖ‫݆ݛ‬๟ཚࡗ‫ֶܔ‬ ‫ݴ‬PECL႑ࡽ৊ႜ঍ୁ᳘ࢇLjժ‫د‬๼዁֑ᄣ้ዓ๼෇ᆅগ )ස཮59໯๖*ăAD9510/AD9511/AD9512/AD9513/AD9514/ AD9515/AD9516้ዓൻ‫ۯ‬ഗਏᆶ‫؜‬෥‫ڦ‬۶‫ۯ‬Ⴀీă ྺକ؊‫ࣩ݀ݴ‬ႊೌ‫ڦ‬ႠీLjᆌ૧ᆩᅃֶ߲‫ݴ‬႑ࡽፕྺ AD6655֑ᄣ้ዓ๼෇‫(܋‬CLK+ࢅCLK−)‫้ڦ‬ዓ႑ࡽăཚ ‫׉‬Ljᆌ๑ᆩᅃ߲Վუഗईଇ߲‫ۉ‬ඹഗॽ޿႑ࡽ঍ୁ᳘ࢇ‫ڟ‬ CLK+ᆅগࢅCLK−ᆅগాăCLK+ࢅCLK−ᆅগᆶాևೋዃ (९཮56)Lj࿮Ⴔྔևೋዃă Rev. A | Page 32 of 88 AD6655 ๼෇้ዓ‫ݴ‬ೕഗ! 0.1μF CLOCK INPUT AD6655ాዃᅃ߲๼෇้ዓ‫ݴ‬ೕഗLj੗‫ܔ‬๼෇้ዓ৊ႜ1዁8 ኝຕԠ‫ݴ‬ೕă‫ݴړ‬ೕԠຕփྺ1้Ljጲ‫ۯ‬๑ీ቞੣Բ࿘ۨ ഗă CLK+ 0.1μF 50kΩ 100Ω AD951x PECL DRIVER 0.1μF 240Ω 50kΩ ADC AD6655 CLK– 06709-060 CLOCK INPUT 0.1μF 240Ω ཮59. ֶ‫ݴ‬PECL֑ᄣ้ዓ(ೕ୲੗‫ٳ‬625 MHz) ‫ڼ‬ෙዖ‫݆ݛ‬๟‫ݴֶܔ‬LVDS႑ࡽ৊ႜ঍ୁ᳘ࢇLjժ‫د‬๼዁ ֑ ᄣ ้ ዓ ๼ ෇ ᆅ গ (ස ཮ 60໯ ๖ )ă AD9510/AD9511/ AD9512/AD9513/AD9514/AD9515/AD9516้ዓൻ‫ۯ‬ഗਏᆶ ‫؜‬෥‫ڦ‬۶‫ۯ‬Ⴀీă 0.1μF CLOCK INPUT 0.1μF 50kΩ 0.1μF ADC AD6655 CLK– 06709-061 CLOCK INPUT CLK+ 100Ω 50kΩ ཮60. ֶ‫ݴ‬LVDS֑ᄣ้ዓ(ೕ୲੗‫ٳ‬625 MHz) ሞగၵᆌᆩዐLj੗ᅜ૧ᆩ‫܋ڇ‬CMOS႑ࡽઠൻ‫֑ۯ‬ᄣ้ዓ ๼෇ăሞُૌᆌᆩዐLjCLK+ᆅগ኱থᆯCMOSோ‫ۉ‬ୟൻ ‫ۯ‬LjCLK−ᆅগሶཚࡗᅃ߲39 kΩ‫ۉ‬ፆᇑᅃ߲0.1 μF‫ۉ‬ඹ‫ڦ‬ժ ૴ಖୟ዁‫(ں‬९཮61)ăCLK+੗኱থᆯCMOSோ‫ۉ‬ୟൻ‫ۯ‬ă ໚඗CLK+๼෇‫ۉ‬ୟ‫ۉ‬ᇸྺAVDD(1.8 V)Lj‫޿ڍ‬๼෇‫ۉ‬ୟ੗ ኧ‫ٳߛ׼‬3.6V‫ڦ‬๼෇‫ۉ‬უLjᅺُLjൻ‫ۯ‬இड‫ۉڦ‬უ჋ስ‫ݥ‬ ‫׉‬ଳऄă VCC 0.1μF CLOCK INPUT 50Ω 1kΩ OPTIONAL 0.1μF 100Ω AD951x CMOS DRIVER CLK+ ADC AD6655 1kΩ CLK– 39kΩ 06709-062 0.1μF ้ዓ቞੣Բ ‫ۆ‬႙‫ߛڦ‬໏ADC૧ᆩଇ้߲ዓՉᄂׂิփཞ‫ాڦ‬և้ۨ႑ ࡽLjᅺُLj໲‫้ܔ‬ዓ቞੣Բ‫ߌ௺׉ݥ‬ăཚ‫׉‬Ljྺԍ‫׼‬ADC ‫ۯڦ‬ༀႠీLj้ዓ቞੣Բඹ၌ᆌྺ±5%ă 0.1μF AD951x LVDS DRIVER ૧ᆩྔևSYNC๼෇႑ࡽLj੗ཞօAD6655้ዓ‫ݴ‬ೕഗăཚ ࡗ‫ܔ‬स٪ഗ0x100‫ڦ‬࿋1ࢅ࿋2৊ႜႀ֡ፕLj੗ᅜยዃ௅ْ๭ ‫ڟ‬SYNC႑ࡽईኁৈ‫ڼ‬ᅃْ๭‫ڟ‬SYNC႑ࡽࢫLj‫้ܔ‬ዓ‫ݴ‬ೕ ഗምཞօăᆶၳSYNC੗๑‫ݴ‬ೕഗް࿋዁‫؛‬๔ጒༀă޿ཞ օ༬Ⴀ੗ඟ‫߲ܠ‬ഗॲ‫้ڦ‬ዓ‫ݴ‬ೕഗ‫ܔ‬ጚLjܸٗԍኤཞ้৊ ႜ๼෇֑ᄣă ཮61. ‫܋ڇ‬1.8 V CMOS֑ᄣ้ዓ(ೕ୲੗‫ٳ‬150 MSPS) AD6655ాዃᅃ߲቞੣Բ࿘ۨഗ(DCS)Lj੗‫֑ݥܔ‬ᄣՉᄂ)ူ ইᄂ*৊ႜዘႎ้ۨLjժ༵ࠃՔ‫׬‬቞੣Բྺ50%‫ాڦ‬և้ዓ ႑ࡽăᅺُLjᆩࢽ੗༵ࠃ‫้ڦ‬ዓ๼෇቞੣Բ‫࠽׉ݥྷݔ‬Lj ൐փࣷᆖၚAD6655‫ڦ‬Ⴀీă‫ړ‬DCS‫ت‬ᇀਸഔጒༀ้Ljሞ࢔ ੻‫ڦ‬቞੣Բ‫ాྷݔ‬Ljሯำࢅ฿ኈႠీबࢭ๟ೝ།‫)ڦ‬ස཮44 ໯๖*ă ๼෇้ዓฉืᄂ‫ڦ‬۶‫ۯ‬ᅈ඗‫׉ݥ‬ዘᄲLj൐࿮݆ൟᅟ঺ዺా և࿘ۨ‫ۉ‬ୟই‫گ‬ኄዖ۶‫ۯ‬ă‫้ړ‬ዓ໏୲‫گ‬ᇀ20 MHz)Ք‫׬‬ ኵ*้Lj቞੣Բ੦዆࣍ୟுᆶፕྺă‫้ړ‬ዓ໏୲ׂิ‫ۯ‬ༀՎ ࣅ้LjՂႷ੊୯ᇑ࣍ୟ၎࠲‫้ڦ‬क़‫׉‬ଉăසࡕ‫ۯ‬ༀ้ዓೕ ୲ሺेईူইLjሞDCS࣍ୟዘႎ໮ۨ዁๼෇႑ࡽമLjႴᄲ ‫ځڪ‬1.5 μs዁5 μs‫้ڦ‬क़ăሞ࣍ୟ‫ت‬ᇀ‫ݥ‬໮ۨጒༀ้LjDCS ࣍ୟԥಖୟLjాևഗॲ้ۨൽਦᇀ๼෇้ዓ႑ࡽ‫ڦ‬቞੣ ԲăሞُૌᆌᆩዐLjॺᅱ্ᆩ቞੣Բ࿘ۨഗăሞ໯ᆶഄ໲ ᆌᆩዐLjॺᅱ๑ీDCS‫ۉ‬ୟLjᅜՍइ‫ڥ‬ፌ‫ٷ‬঍ୁႠీă ۶‫੊ۯ‬୯! ߛ໏ߛ‫ݴ‬Ր୲ADC‫้ܔ‬ዓ๼෇႑ࡽ‫ڦ‬ዊଉ‫ߌ௺׉ݥ‬ăሞߴ ۨ‫ڦ‬๼෇ೕ୲(fIN)ူLjᆯᇀ۶‫(ۯ‬tJ)ሰ‫ڦׯ‬႑ሯԲ(SNR)ူই ऺ໙ࠅ๕සူǖ SNRHF = −10 log[(2π × fIN × tJRMS)2 + 10 (  SNRLF /10) ] VCC 0.1μF 50Ω 1kΩ AD951x CMOS DRIVER OPTIONAL 0.1μF 100Ω 1kΩ 0.1μF ࠅ๕ዐLj਩‫ߵݛ‬੥০۶‫ۯ‬՗๖໯ᆶ۶‫ۯ‬ᇸ)Ԉઔ้ዓ๼෇႑ ࡽࢅఇె๼෇႑ࡽࢅADC੥০۶‫ڦ*߭ࡀۯ‬਩‫ߵݛ‬ăዐೕ വ֑ᄣᆌᆩ‫ܔ‬۶‫ۯ‬ᆮഄ௺ߌ)ස཮63໯๖*ă CLK+ ADC AD6655 CLK– 06709-063 CLOCK INPUT ཮62. ‫܋ڇ‬3.3 V CMOS֑ᄣ้ዓ(ೕ୲੗‫ٳ‬150 MSPS) Rev. A | Page 33 of 88 AD6655 75 1.50 0.05ps 0.6 TOTAL POWER MEASURED 0.5 1.25 TOTAL POWER (W) 0.20ps 0.50ps 1.00ps 1.50ps 100 INPUT FREQUENCY (MHz) IDRVDD 1000 0 0 25 75 50 100 0 150 125 06709-065 10 0.1 0.25 2.00ps 2.50ps 3.00ps 1 0.2 SAMPLE RATE (MSPS) ཮64. AD6655-150ࠀ୲ࢅ‫ୁۉ‬ᇑ֑ᄣ໏୲‫࠲ڦ‬ဣ ཮63. ႑ሯԲᇑ๼෇ೕ୲ࢅ۶‫࠲ڦۯ‬ဣ සႴକ঴߸‫ܠ‬ᇑADC၎࠲‫ڦ‬۶‫ۯ‬Ⴀీ႑တLj൩֖ለᆌᆩԴ ऻAN501ࢅᆌᆩԴऻAN756(९www.analog.com)ă 1.50 0.6 1.25 0.5 TOTAL POWER TOTAL POWER (W) ‫ړ‬੥০۶‫ۯ‬੗ీᆖၚAD6655‫ۯڦ‬ༀ‫้ྷݔ‬Ljᆌॽ้ዓ๼෇ ႑ࡽ๫ྺఇె႑ࡽă้ዓൻ‫ۯ‬ഗ‫ۉ‬ᇸᆌᇑADC๼‫؜‬ൻ‫ۯ‬ഗ ‫ۉ‬ᇸ‫ݴ‬૗Ljᅜ௨ሞ้ዓ႑ࡽాं෇ຕጴሯำă‫گ‬۶‫ڦۯ‬ৗ ༹੦዆ና‫ږ‬ഗ੗༵ࠃፌॅ้ዓᇸăසࡕ้ዓ႑ࡽઠጲഄ໲ ૌ႙‫้ڦ‬ዓᇸ(ཚࡗோ੦Ă‫ݴ‬ೕईഄ໲‫)݆ݛ‬LjሶႴᄲሞፌ ࢫᅃօዐ૧ᆩᇱ๔้ዓ৊ႜዘ้ۨă 1.00 0.4 IAVDD 0.3 0.75 0.2 0.50 IDVDD 0.1 0.25 ࠀࡼࢅ‫ځ‬ऐఇ๕ ස཮64዁཮67໯๖LjAD6655‫ࡼࠀڦ‬ᇑഄ֑ᄣ໏୲‫ׯ‬Բ૩࠲ ဣăሞCMOS๼‫؜‬ఇ๕ူLjຕጴࠀࡼዷᄲᆯຕጴൻ‫ۯ‬ഗ‫ڦ‬ ഽ‫ࢅ܈‬௅߲๼‫؜‬࿋‫޶ڦ‬ሜ‫ٷ‬ၭਦۨăፌ‫ٷ‬DRVDD‫ୁۉ‬ኵ (IDRVDD)‫ऺڦ‬໙ࠅ๕සူǖ 0 IDRVDD 25 0 50 0 125 100 75 SAMPLE RATE (MSPS) ཮65. AD6655-125ࠀ୲ࢅ‫ୁۉ‬ᇑ֑ᄣ໏୲‫࠲ڦ‬ဣ IDRVDD = VDRVDD × CLOAD × fCLK × N 0.5 1.25 ഄዐLjN๟๼‫؜‬࿋‫ڦ‬ຕଉ(ሞAD6655ዐLj्ยFD࿋࿮ၳLj N=30)ă 0.4 1.00 TOTAL POWER TOTAL POWER (W) ‫ړ‬௅߲๼‫؜‬࿋ሞ௅้߲ዓዜ೺ా‫ิ݀ۼ‬ൎ้࣑(नᅜfCLK/2 ‫ڦ‬లઊຯ༬ೕ୲ׂิ஢ଉ‫ݛײ‬հ้)Lj‫ڟٳୁۉ‬ፌߛኵăํ ा֡ፕዐLjDRVDD‫ୁۉ‬ᆯ๼‫؜‬࿋ൎ࣑‫ڦ‬ೝ਩ຕඓۨLjࢫ ኁൽਦᇀ֑ᄣ໏୲ࢅఇె๼෇႑ࡽ‫ڦ‬༬Ⴀăই‫گ‬๼‫؜‬ൻ‫ۯ‬ ഗ‫ڦ‬ඹႠ޶ሜ੗ᅜ৑੗ీই‫گ‬ຕጴࠀࡼă཮64዁཮67ዐ‫ڦ‬ ຕ਍֑ᆩᇑ֪ଉ‫ۆ‬႙Ⴀీ༬Ⴀ၎ཞ‫߾ڦ‬ፕཉॲ‫؜ڥ‬Lj௅߲ ๼‫؜‬ൻ‫ۯ‬ഗ‫޶ڦ‬ሜྺ5 pFă SUPPLY CURRENT (A) 45 IDVDD 0.50 06709-166 50 0.3 0.75 0.75 0.3 IAVDD 0.50 0.2 IDVDD 0.25 0.1 IDRVDD 0 0 25 50 75 100 SAMPLE RATE (MSPS) ཮66. AD6655-105ࠀ୲ࢅ‫ୁۉ‬ᇑ֑ᄣ໏୲‫࠲ڦ‬ဣ Rev. A | Page 34 of 88 SUPPLY CURRENT (A) 55 0.4 0 06709-167 60 IAVDD 1.00 06709-064 SNR (dBc) 65 SUPPLY CURRENT (A) 70 AD6655 0.4 TOTAL POWER (W) 0.75 0.3 TOTAL POWER IAVDD 0.50 0.2 IDVDD 0.25 ሞྔևᆅগఇ๕ူLjยዃSCLK/DFSᆅগ੗ᅜ੦዆ຕ਍ᅜ ೋᅎܾ৊዆߭๕ईܾ৊዆ցஓ߭๕๼‫(؜‬९՗16)ăසᆌᆩ ԴऻAN-877“ཚࡗSPIᇑߛ໏ADCথ੨”ዐ໯ຎLjሞSPI੦዆ ఇ๕ူLjຕ਍‫ڦ‬๼‫߭؜‬๕੗჋ስೋᅎܾ৊዆Ăܾ৊዆ցஓ ई߭ૃஓă SUPPLY CURRENT (A) 1.00 ՗16. SCLK/DFSఇ๕჋ስ(ྔևᆅগఇ๕) ᆅগ‫ۉ‬უ! AGND (ఐණ) AVDD 0.1 20 0 40 60 0 80 SAMPLE RATE (MSPS) 06709-168 IDRVDD 0 ཮67. AD6655-80ࠀ୲ࢅ‫ୁۉ‬ᇑ֑ᄣ໏୲‫࠲ڦ‬ဣ ዃ࿋PDWN(ཚࡗSPI‫܋‬੨ईॽPDWNᆅগዃ࿋ߛ‫ۉ‬ೝ)Lj੗ ๑AD6655৊෇ۖ‫ۉ‬ఇ๕ăሞኄዖጒༀူLjADC‫ۆڦ‬႙ࠀ ࡼྺ2.5 mWăሞۖ‫ۉ‬ఇ๕ူLj๼‫؜‬ൻ‫ۯ‬ഗ‫ت‬ᇀߛፆੇጒༀă ॽPDWNᆅগዃ࿋‫ۉگ‬ೝࢫLjAD6655‫࣮ݓ‬ኟ‫߾׉‬ፕఇ๕ă ጀᅪLjPDWNᅜຕ਍๼‫؜‬ൻ‫ۯ‬ഗ‫ۉ‬ᇸ‫ۉ‬უ(DRVDD)ྺए ጚLj൐փ‫ߛڥ‬ᇀ޿‫ۉ‬უăन๑DRVDDྺ3.3 V้Lj1.8 Vஇ ड‫ۉ‬ୟᄺ੗ൻ‫ۯ‬PDWNă ሞۖ‫ۉ‬ఇ๕ူLjཚࡗ࠲Կएጚ‫ۉ‬უĂएጚ‫ۉ‬უ࣐؋ഗĂೋ ዃྪஏᅜत้ዓLj੗ํ၄‫ࡼࠀگ‬ă৊෇‫ۉۙگ‬ఇ๕้Ljా և‫ۉ‬ඹ‫ۉݣ‬Ǘ඗ࢫ‫࣮ݓ‬ኟ‫߾׉‬ፕఇ๕้Ljాև‫ۉ‬ඹՂႷዘ ႎ؊‫ۉ‬ăᅺُLj࣓ႝ้क़ᇑ‫ت‬ᇀۖ‫ۉ‬ఇ๕‫้ڦ‬क़ᆶ࠲Ǘ‫ت‬ ᇀۖ‫ۉ‬ఇ๕‫้ڦ‬क़ሁ‫܌‬Ljሶ၎ᆌ‫࣓ڦ‬ႝ้क़ሁ‫܌‬ă ๑ᆩSPI‫܋‬੨থ੨้Ljᆩࢽ੗ॽADCዃᇀۖ‫ۉ‬ఇ๕ई‫ځ‬ऐ ఇ๕ăසႴড‫࣓ڦ܌‬ႝ้क़Lj੗ᅜ๑ᆩ‫ځ‬ऐఇ๕Lj޿ఇ๕ ူాևएጚ‫ۉ‬ୟ‫ت‬ᇀཚ‫ۉ‬ጒༀăᇡକ঴߸‫ܠ‬႑တLj൩֖ለ “٪‫ئ‬ഗᆙพस٪ഗ௮ຎ”և‫ݴ‬ई‫ک‬୥www.analog.comֱለ ᆌᆩԴऻAN-877 -ཚࡗSPIᇑߛ໏ADCথ੨ă ຕጴ๼‫؜‬ ཚ ࡗ DRVDDࢅ থ ੨ இ ड ‫ ۉ‬ୟ ‫ ڦ‬ຕ ጴ ‫ ۉ‬ᇸ ํ ၄ ೅ ದ Lj AD6655๼‫؜‬ൻ‫ۯ‬ഗ੗ದዃྺᇑ1.8 V዁3.3 V CMOSஇडဣ ଚথ੨ăُྔLj๑ᆩᅃ߲1.8 V DRVDD‫ۉ‬ᇸLj੗ॽAD6655 ๼‫؜‬ದዃᆩᇀANSI LVDSई‫ۉگ‬უൻ‫ۯ‬LVDSă ሞCMOS๼‫؜‬ఇ๕ူLj๼‫؜‬ൻ‫ۯ‬ഗᆌీࠕ༵ࠃፁࠕ‫ڦ‬๼‫؜‬ ‫ୁۉ‬LjᅜՍൻ‫߳ۯ‬ዖஇड‫ۉ‬ୟă඗ܸLj‫ٷ‬ൻ‫ୁۉۯ‬੗ీ‫ڞ‬ ዂሞ‫ۉ‬ᇸ႑ࡽዐׂิறِஞ؋Ljᆖၚገ࣑ഗ‫ڦ‬Ⴀీăᅺ ُLjሞఫၵႴᄲADCઠൻ‫ٷۯ‬ඹႠ޶ሜई‫ٷ‬ข‫ڦ؜‬ᆌᆩ ዐLj੗ీႴᄲᆩ‫ྔڟ‬և࣐؋ഗई໮٪ഗă SCLK/DFS ೋᅎܾ৊዆! ೋᅎܾ৊዆! SDIO/DCS DCS ্ᆩ DCS ๑ీ ຕ਍๼‫؜‬๑ీࠀీ(OEB) AD6655‫ڦ‬ຕጴ๼‫؜‬ᆅগਏᆶଳऄ‫ڦ‬ෙༀࠀీăᆩࢽ੗঺ ዺSMI SDO/OEBᆅগईཚࡗSPIথ੨๑ీෙༀఇ๕ăැSMI SDO/OEBᆅগ‫ت‬ᇀ‫ۉگ‬ೝጒༀLjሶ๑ీ๼‫؜‬ຕ਍ൻ‫ۯ‬ഗă ැSMI SDO/OEBᆅগ‫ت‬ᇀߛ‫ۉ‬ೝጒༀLj๼‫؜‬ຕ਍ൻ‫ۯ‬ഗዃ ᇀߛፆༀăOEBࠀీփ੗ᆩᇀ੺໏‫ݡ‬࿚ຕ਍ጺ၍ăጀᅪLj OEBᅜຕ਍๼‫؜‬ൻ‫ۯ‬ഗ‫ۉ‬ᇸ‫ۉ‬უ(DRVDD)ྺएጚLj൐փ‫ڥ‬ ߛᇀ޿‫ۉ‬უăन๑DRVDDྺ3.3 V้Lj1.8 Vஇड‫ۉ‬ୟᄺ੗ ൻ‫ۯ‬OEBă ๑ᆩSPIথ੨้Ljཚࡗस٪ഗ0x14‫ڦ‬࿋4)๼‫؜‬๑ీ࿋*Lj੗ ᅜ‫܀‬૬ยዃ௅߲ཚ‫ڦڢ‬ຕ਍ࢅ੺໏ॠ֪๼‫ڦ؜‬ෙༀă ঍‫ٱ‬CMOSఇ๕ ཚࡗยዃस٪ഗ0x14‫ڦ‬࿋5੗ᅜ๑ీ঍‫ٱ‬CMOS๼‫؜‬ఇ๕ă ሞ޿ఇ๕ူLjຕ਍ٗ‫܋‬੨A๼‫؜‬LjADCཚ‫ڢ‬A‫ڦ‬๼‫؜‬ຕ਍ ‫؜‬၄ሞDCOฉืᄂLjADCཚ‫ڢ‬B‫ڦ‬๼‫؜‬ຕ਍‫؜‬၄ሞDCOူ ইᄂă ้Ⴞ! AD6655༵ࠃ໮٪ຕ਍้ਏᆶୁ຤၍ჽ‫׿‬Ǘჽ‫׿‬ᆯ໯๑ీ‫ڦ‬ ຕጴࢫ‫܋‬༬Ⴀਦۨăሞঢ়ࡗ้ዓ႑ࡽฉืᄂࢫ‫ڦ‬ᅃ߲‫د‬խ ჽ‫้׿‬क़(tPD)ኮࢫLjׂิ๼‫؜‬ຕ਍ă ྺই‫گ‬AD6655ా‫ڦ‬ຨ้၄ၡLjᆌ৑੗ీ໫‫܌‬๼‫؜‬ຕ਍၍‫ڦ‬ ‫܈׊‬ժই‫گ‬๼‫޶؜‬ሜăຨ้၄ၡ੗ই‫گ‬ገ࣑ഗ‫ۯڦ‬ༀႠ ీă AD6655‫ۆڦ‬႙ፌ‫گ‬ገ࣑໏୲ྺ10 MSPSă‫้ړ‬ዓ໏୲‫گ‬ᇀ 10 MSPS้Ljႊೌ‫ۯڦ‬ༀႠీࣷᆶ໯ူইă ຕ਍้ዓ๼‫(؜‬DCO) ُྔLjAD6655࣏༵ࠃຕ਍้ዓ๼‫(؜‬DCO)Ljᆩᇀ֑ᄣྔև स٪ഗዐ‫ڦ‬ຕ਍ă཮2዁཮6ྺAD6655๼‫؜‬ఇ๕้Ⴞ཮ă Rev. A | Page 35 of 88 AD6655 ՗17. ๼‫؜‬ຕ਍߭๕ ๼෇(V) VIN+ – VIN– VIN+ – VIN– VIN+ – VIN– VIN+ – VIN– VIN+ – VIN– ཉॲ(V) < –VREF – 0.5 LSB = –VREF =0 = +VREF – 1.0 LSB > +VREF – 0.5 LSB ೋᅎܾ৊዆๼‫؜‬ఇ๕ 00 0000 0000 0000 00 0000 0000 0000 10 0000 0000 0000 11 1111 1111 1111 11 1111 1111 1111 Rev. A | Page 36 of 88 ܾ৊዆ցஓఇ๕ 10 0000 0000 0000 10 0000 0000 0000 00 0000 0000 0000 01 1111 1111 1111 01 1111 1111 1111 ‫ג‬ଉ‫ײ‬ 1 0 0 0 1 AD6655 ຕጴူՎೕഗ! AD6655ాዃᅃ߲ຕጴ‫ت‬૙ఇ੷Lj੗༵ࠃ႑ࡽ୳հLjժই‫گ‬ ๼‫؜‬ຕ਍໏୲ă޿ຕጴ‫ت‬૙ఇ੷ᆯᅃ߲ຕ੦ና‫ږ‬ഗ (NCODžĂᅃ߲ӷ‫؏ټ‬ൽ୳հഗĂᅃ߲FIR୳հഗࢅᅃ߲‫ޤ‬ ዺٚۙNCO(ࠦۨೕ୲ྺfADC/8)ፇ‫ׯ‬Ljᆩᇀገ࣑๼‫؜‬ೕ୲ă ‫أ‬ӷ‫؏ټ‬ൽ୳հഗྔLj߳ጱ‫ت‬૙ఇ੷‫ۼ‬ᆶ੦዆၍ୟLjీ‫ڇ‬ ‫܀‬๑ీईኁ্ᆩLjᅜՍ༵ࠃ໯Ⴔ‫تڦ‬૙ࠀీăཚࡗದዃຕ ጴူՎೕഗLj੗ᅜ๼‫ํ؜‬ຕ਍ईްຕຕ਍ăኄၵጱఇ੷ᆶ ࿵ዖླྀ४‫ڦ‬ፇࢇ‫ݛ‬๕Lj੗ᅜํ၄փཞ‫ڦ‬႑ࡽ‫ت‬૙ࠀీă ੗჋‫ۨࠦڦ‬ဣຕFIR୳հഗ੗༵ࠃ‫୳ڦྔܮ‬հࠀీLjᅜे ໏ӷ‫ࡐټ‬ইLjܸٗሺഽੇं۠ీ૰ă໲੗ᅜၩ‫޶أ‬ೕ୲৥ ၟLjՆ௨ሞ๼‫ํڦ؜‬႑ࡽዐं෇޶ೕ୲႑ࡽă fADC/8ࠦۨೕ୲NCO ࠦۨೕ୲(fADC/8)NCOᆩᇀॽঢ়୳հĂ؏ൽࢫ‫ڦ‬႑ࡽٗ኱ୁ ገ࣑‫ׯ‬ೕ୲ྺfADC/8‫ڦ‬႑ࡽLjׂܸٗิํ႑ࡽ๼‫؜‬ă཮68዁ ཮71၂๖ঢ়AD6655‫ت‬૙‫ڦ‬20 MHz๼෇႑ࡽă ူՎೕഗఇ๕! ՗18. ူՎೕഗఇ๕ ๼‫؜‬ૌ႙ ํຕ! ํຕ! ްຕ! ްຕ! ํຕ! –50 –24 –14 –4 0 4 14 24 50 ຕ੦ና‫ږ‬ഗ)ODP*! –50 ૧ᆩNCO੗ํ၄ೕ୲ገ࣑ăଇ߲‫ت‬૙ཚ‫ࠌڢ‬ᆩᅃ߲NCOă ੗ᅜཚࡗ๑ీೌฉ‫ࢅ܈ޗ‬၎࿋ඡ‫߀ీࠀۯ‬฀NCO‫ڦ‬ሯำࢅ ሗොႠీă၎ᅎጴ੗ᆩᇀሞ‫߲ܠ‬AD6655ኮक़ॺ૬ᅙኪ‫ڦ‬၎ ࿋࠲ဣă ᆯᇀ؏ൽ୳հഗLjӷ߲లઊຯ༬ೕ೷փీ๑ᆩLjᅺُLjႴ ᄲᅃዖऐ዆Ljॽ֑ᄣ๼෇ೕ೷ገ࣑ྺ؏ൽ୳հഗ੗ᆩ‫ڦ‬ೕ ୲‫ྷݔ‬ă32࿋ྲۙްຕNCO੗ํ၄ኄᅃࠀీă޿NCO/ं ೕഗ੗ॽ๼෇ೕ೷ۙኝྺ኱ୁ႑ࡽLjᆯࢫ௬‫୳ڦ‬հഗ‫ܔ‬ഄ ৊ႜᆶၳ୳հLj‫ݞ‬ኹ႑ࡽं۠ă –38 –28 –18 –10 0 10 50 06709-067 ཮68. AD6655 20 MHz‫੻ټ‬๼෇ํ႑ࡽ๖૩ (ዐ႐ೕ୲ǖ14MHzLjfADC = 100 MHz) ཮69. ૧ᆩNCOॽAD6655 20 MHz‫੻ټ‬๼෇႑ࡽ ۙኝၿDC‫ڦ‬๖૩(NCOೕ୲ྺ14 MHz) –50 –38 –28 –18 –10 0 10 50 06709-068 NCO/୳հഗ ৈӷ‫୳ټ‬հഗ ӷ‫୳ټ‬հഗࢅFIR୳հഗ NCOࢅӷ‫୳ټ‬հഗ NCOĂӷ‫୳ټ‬հഗࢅFIR୳հഗ NCOĂӷ‫୳ټ‬հഗĂFIR୳հഗ ࢅfADC/8 NCO 50 06709-069 ఇ๕ 1 2 3 4 5 06709-066 ՗18ዐଚ‫؜‬କሞAD6655ዐླྀ४๑ᆩ‫ူڦ‬Վೕഗఇ๕ă ཮81/!BE7766!31!NI{‫੻ټ‬๼෇႑ࡽ๖૩ )޶৥ၟঢ়ӷ‫୳ټ‬հഗࢅGJS୳հഗ୳հ* ӷ‫؏ټ‬ൽ୳հഗᇑFIR୳հഗ AD6655ຕጴ୳հఇ੷‫ڦ‬ፕᆩ๟ॽ֑ᄣ໏୲ই‫گ‬ଇԠLjཞ้ ᅞ዆ణՔೕ‫؜ాྷݔټ‬၄ं۠႑ࡽăӷ‫୳ټ‬հഗ़੗ᅜፕ ྺ‫گ‬ཚ୳հഗLjᄺ੗ᅜፕྺߛཚ୳հഗǗ‫ྺ੻ټ۠ंੇړ‬ ဣཥ๼෇ຕ਍໏୲‫ڦ‬22%้Lj୳հഗ੗༵ࠃߛᇀ100 dB‫ंڦ‬ ۠ᅞ዆ă्ยADC֑ᄣ໏୲ྺ150 MSPSLjఫ஺Ljሞํຕఇ ๕ ူ ๑ ᆩ ୳ հ ഗ ้ (NCOಖ ୟ )Lj ፌ ‫ ٷ‬੗ ᆩ ‫ ྺ ੻ ټ‬16.5 MHzLjሞްຕఇ๕ူ๑ᆩ୳հഗ้(NCO๑ీ)Ljፌ‫ٷ‬੗ᆩ ‫ྺ੻ټ‬33.0 MHză Rev. A | Page 37 of 88 –50 0.25 12.5 22.5 ཮71. AD6655 20 MHz‫੻ټ‬๼෇႑ࡽۙၿ ዁fADC /8ᅜׂิํ႑ࡽ๼‫ڦ؜‬๖૩ă AD6655 ຕ੦ና‫ږ‬ഗ(NCO) ೕ୲ገ࣑ ၎࿋ೋᅎ! ޿‫ت‬૙ఇ੷Ԉࡤᅃ߲ᆯ32࿋ްຕຕ੦ና‫ږ‬ഗ(NCO)ࠓ‫ڦׯ‬ ຕጴۙၿഗăAD6655‫ڦ‬ଇ߲ཚ‫ࠌڢ‬ᆩᅃ߲NCOăNCO๟ ੗჋‫ڦ‬Ljॽस٪ഗ0x11D‫ڦ‬࿋0ዃ0Ljन੗ಖୟNCOăNCO ఇ੷੗ᅜথ๴ઠጲADCप‫ڦ‬๼෇ํ႑ࡽLjժॽഄገ࣑‫ׯ‬ೕ ᅎްຕ(IĂQ)๼‫؜‬႑ࡽă NCO၎ᅎस٪ഗ)‫ں‬኷0x122ࢅ0x123*ྺNCO‫ڦ‬၎࿋ેेഗ ༵ࠃ੗Պ‫ײ‬ೋᅎă޿16࿋स٪ഗ‫ڦ‬ኵྺᅃ߲16࿋࿮‫ࡽޙ‬ኝ ຕă0x00‫پ‬՗࿮ೋᅎǗ0xFFFF‫پ‬՗ೋᅎ359.995°ă௅ᅃ࿋ ‫پ‬՗၎࿋Վࣅ0.005°ă޿स٪ഗሎႹ‫߲ܠ‬NCOཞօLjᅜׂ ิਏᆶ੗ᇨ֪၎࿋ֶ‫ڦ‬๼‫؜‬ăNCO၎ᅎኵ‫ऺڦ‬໙ࠅ๕ස ူǖ ੗ᅜ૧ᆩस٪ഗ0x11EĂस٪ഗ0x11FĂस٪ഗ0x120ࢅस٪ ഗ0x121ઠยዃNCOೕ୲ăኄ4߲8࿋स٪ഗፇ‫ׯ‬ᅃ߲32࿋ ࿮‫ࡽޙ‬ೕ୲Պ‫ײ‬ጴăူଚೕ୲ጴ‫پ‬՗−CLK/2ࢅ+CLK/2ኮ क़‫ڦ‬ೕ୲ኵǖ t
Y
‫پ‬՗−CLK/2ኸۨೕ୲Ǘ t
Y
‫پ‬՗኱ୁೕ୲(0 Hz)Ǘ t

Y'''
''''‫پ‬՗CLK/2 − CLK/232ă NCOೕ୲‫ऺڦ‬໙ࠅ๕සူǖ ഄዐǖ NCO_FREQ๟ᅃ߲32࿋ܾ৊዆ցஓຕLj‫پ‬՗NCOೕ୲स٪ ഗǗ f๟໯Ⴔ‫ڦ‬ሜհೕ୲)‫ڇ‬࿋ǖHz*Ǘ fCLK๟AD6655 ADC้ዓ໏୲)‫ڇ‬࿋ǖHz*ă ഄዐǖ NCO_PHASE ๟ᅃ߲ๆ৊዆ຕLj‫ڪ‬ᇀཚࡗՊ‫ײ‬ႀ෇स٪ഗ 0x122ࢅस٪ഗ0x123ా‫ڦ‬16࿋ܾ৊዆ຕăPHASE๟໯Ⴔ‫ڦ‬ NCO၎࿋)‫ڇ‬࿋ǖ‫*܈‬ă NCO‫܈ޗ‬۶‫ۯ‬ᇑ၎࿋ඡ‫ۯ‬ NCOఇ੷੗༵ࠃ‫܈ޗ‬۶‫ࢅۯ‬၎࿋ඡ‫ۯ‬Ljܸ༵ٗߛሗොႠ ీă‫܈ޗ‬ඡ‫ۯ‬੗ᅜॽNCOঙፖՔ‫ڳڟ‬ਸ਼ܻፖՔገׂ࣑ิ‫ڦ‬ ‫܈ޗ‬ଉࣅဃֶ৊ႜໜऐࣅLjܸ༵ٗߛႠీăኄᄣፔ໚੗३ ณሗො႑ࡽLj‫ྲ୼ࣷڍ‬໻ߛሰ‫ׯ‬ሯ‫ڹ‬ă‫܈ޗړ‬ඡ‫ۯ‬๑ీ ้LjNCO‫ڦ‬႑ሯԲߛᇀ93 dBĂ࿮ሗො‫ۯ‬ༀ‫ߛྷݔ‬ᇀ115 dBă ‫܈ޗړ‬ඡ‫্ۯ‬ᆩ้Lj႑ሯԲߛᇀ96 dBLjܸ࿮ሗො‫ۯ‬ༀ‫ྷݔ‬ ‫گ‬዁100 dBăॺᅱ๑ీNCO‫܈ޗ‬ඡ‫ॽ)ీࠀۯ‬स٪ഗ0x11D ‫ڦ‬࿋1ዃ1न੗*ă NCOཞօ ঺ዺྔևSYNC๼෇႑ࡽLj੗ํ၄‫߲ڇ‬ഗॲాई‫߲ܠ‬ഗॲ ‫ڦ‬AD6655 NCOཞօăཚࡗ‫ܔ‬स٪ഗ0x100‫ڦ‬࿋3ࢅ࿋4৊ႜ ႀ֡ፕLj੗ᅜ჋ስ௅ْ๭‫ڟ‬SYNC႑ࡽईৈ‫ڼ‬ᅃْ๭‫ڟ‬ SYNC႑ࡽࢫLj‫ܔ‬NCO৊ႜምཞօăᆶၳ‫ڦ‬SYNC႑ࡽ੗੦ ዆NCOٗ໯Պ‫ڦײ‬၎ᅎኵ‫ت‬ዘႎഔ‫ۯ‬ă Rev. A | Page 38 of 88 AD6655 ӷ‫؏ټ‬ൽ୳հഗࢅFIR୳հഗ 0 –10 –20 –30 AMPLITUDE (dBc) AD6655ӷ‫ټ‬ຕጴ୳հഗ‫ڦ‬ፕᆩ๟ॽ֑ᄣ໏୲ই‫گ‬ଇԠLjཞ ้ᅞ዆ణՔೕ‫؜ాྷݔټ‬၄ं۠႑ࡽă޿୳հഗ़੗ᅜፕ ྺ‫گ‬ཚ୳հഗLjᄺ੗ᅜፕྺߛཚ୳հഗǗ‫ྺ੻ټ۠ंੇړ‬ ဣཥ๼෇ຕ਍໏୲‫ڦ‬11%้Lj୳հഗ੗༵ࠃߛᇀ100 dB‫ڦ‬ ं۠ᅞ዆ăӷ‫୳ټ‬հഗᇑNCOࢅFIR୳հഗದࢇ๑ᆩLj੗ ༵ࠃᆶၳ‫ټ‬ཚă‫ړ‬ADC֑ᄣ໏୲ྺ150 MSPS้Ljፌ‫ٷ‬੗ᆩ ‫ྺ੻ټ‬33 MHză –50 –60 –70 –80 ӷ‫୳ټ‬հഗဣຕ! –90 19؏ཀྵ‫ۨࠦ׬ܔ‬ဣຕӷ‫୳ټ‬հഗ‫ܠڦ‬၎ํ၄ਦۨକ໲ਏᆶ ড‫ࡼࠀڦگ‬ă՗19ዐଚ‫؜‬କӷ‫୳ټ‬հഗ‫ڦ‬ဣຕăཞ้ଚ‫؜‬ କԨ‫ݛ‬ӄ໯ᆩ‫ࡃڦ‬ᅃࣅဣຕत၎ᆌ‫ڦ‬ๆ৊዆ဣຕኵă࿄ሞ ՗19ዐଚ‫ڦ؜‬ဣຕኵ਩ྺ0ă ՗19. ӷ‫୳ټ‬հഗ‫ۨࠦڦ‬ဣຕ ဣຕࡽ ࡃᅃࣅဣຕ ๆ৊዆ဣຕ(20࿋) C0, C18 C2, C16 C4, C14 C6, C12 C8, C10 C9 0.0008049 −0.0059023 0.0239182 −0.0755024 0.3066864 0.5 844 −6189 25080 −79170 321584 524287 –110 0 0.1 0.2 0.3 0.4 FRACTION OF INPUT SAMPLE RATE 06709-071 –100 ཮73. ӷ‫୳ټ‬հഗߛཚၚᆌ ӷ‫୳ټ‬հഗ‫ڦ‬࿖հ‫ٷ‬ၭྺ0.000182 dBLjᅞ዆ኵྺ100 dBă ‫ܔ‬ᇀ100dBੇं۠ᅞ዆Ljੇं۠‫ྺ੻ټ‬๼෇֑ᄣ໏୲‫ڦ‬ 11%ăසࡕཞ้๑ᆩIཚ‫ࢅڢ‬Qཚ‫ڢ‬Ljሶްຕ‫ྺ੻ټ‬๼෇ຕ ਍໏୲‫ڦ‬22%ă ሞ౾ຕలઊຯ༬൶ᇘ֑ᄣᆌᆩዐLj࣏੗‫ܔ‬ӷ‫୳ټ‬հഗ৊ႜ ยዃLjᅜՍํ၄ೕ೷‫ݒ‬ገăॽ‫ں‬኷0x103‫ڦ‬࿋2ዃߛLj੗๑ ీೕ೷‫ݒ‬ገࠀీă ӷ‫୳ټ‬հഗ‫ڦ‬༬Ⴀ! ሞAD6655ዐLjփీ্ᆩӷ‫୳ټ‬հഗă੗ᅜॽ޿୳հഗยዃ ྺ‫گ‬ཚ୳հഗLjᄺ੗ᅜॽഄยዃྺߛཚ୳հഗăॽस٪ഗ 0x103‫ڦ‬࿋1ዃǍLj੗ॽ୳հഗยዃྺߛཚ୳հഗǗॽ޿࿋ ዃ0Ljሶ੗ॽ୳հഗยዃྺ‫گ‬ཚ୳հഗă၎‫ܔ‬ᇀࡃᅃࣅ๼ ‫؜‬໏୲‫୳ڦ‬հഗ‫گ‬ཚ୳հၚᆌ९཮72Ǘ၎‫ܔ‬ᇀࡃᅃࣅ๼‫؜‬ ໏୲‫୳ڦ‬հഗߛཚ୳հၚᆌ९཮73ă 0 –10 ੗ཚࡗ჋ስӷ‫؏ټ‬ൽ၎࿋Ljਦۨӷ‫୳ټ‬հഗሞཞօࢫ‫ڼڦ‬ ᅃ߲࣏๟‫֑߲ܾڼ‬ᄣ‫ۅ‬ഔ‫ۯ‬ăኄᄣLj੗ᅜٗଇ߲๼෇֑ᄣ ้ዓኮक़‫ڦ‬ӷ‫ټ‬๼‫؜‬ăยዃस٪ഗ0x103‫ڦ‬࿋3Lj੗ॽ؏ൽ ၎ยዃྺ0ई1ă ࠦۨဣຕFIR୳հഗ ӷ‫୳ټ‬հഗࢫথᅃ߲66؏ཀྵࠦۨဣຕFIR୳հഗă޿୳հ ഗᆩᇀྺӷ‫؏ټ‬ൽ୳հഗ༵ࠃ‫۠ंੇڦྔܮ‬ԍࢺăኄ๟ᅃ ߲०‫ڦڇ‬66؏ཀྵĂ21࿋ࠦۨဣຕĂ‫ױ‬ओࢅFIR୳հഗăጀ ᅪLj޿୳հഗփ༵ࠃ؏ൽࠀీă՗20ዐଚ‫؜‬କԨ‫ݛ‬ӄ໯ᆩ ‫ࡃڦ‬ᅃࣅဣຕࢅ၎ᆌ‫ڦ‬ๆ৊዆ኵă ᆩࢽ़੗ᅜ჋ᆩ޿୳հഗLjᄺ੗ॽഄಖୟǗ‫ڍ‬ኻᆶӷ‫୳ټ‬ հഗ๑ీ้Lj֍੗ᅜ๑ీُFIR୳հഗăၠस٪ഗ0x102‫ڦ‬ FIR୳հഗ๑ీ࿋(࿋0)ాႀ෇இड0Lj੗ॽ޿ࠦۨဣຕ୳հ ഗಖୟă֑ᆩ๼‫ํ؜‬႑ࡽ‫ڦ‬ፌዕNCO้LjՂႷ๑ᆩ޿୳հ ഗǗ๑ᆩഄ໲ದዃ้Lj੗ॽഄಖୟLjᅜՍবูࠀࡼă –20 –30 –40 –50 –60 –70 –80 –90 –100 –110 0 0.1 0.2 0.3 0.4 FRACTION OF INPUT SAMPLE RATE 06709-070 AMPLITUDE (dBc) –40 ཮72. ӷ‫୳ټ‬հഗ‫گ‬ཚၚᆌ Rev. A | Page 39 of 88 AD6655 ୳հഗፇࢇႠీ! ՗20. FIR ୳հഗဣຕ ဣຕࡽ ࡃᅃࣅဣຕ ๆ৊዆ဣຕ(21࿋) C0, C65 C1, C64 C2, C63 C3, C62 C4, C61 C5, C60 C6, C59 C7, C58 C8, C57 C9, C56 C10, C55 C11, C54 C12, C53 C13, C52 C14, C51 C15, C50 C16, C49 C17, C48 C18, C47 C19, C46 C20, C45 C21, C44 C22, C43 C23, C42 C24, C41 C25, C40 C26, C39 C27, C38 C28, C37 C29, C36 C30, C35 C31, C34 C32, C33 0.0001826 0.0006824 0.0009298 0.0000458 −0.0012689 −0.0008345 0.0011806 0.0011387 −0.0018439 −0.0024557 0.0018063 0.0035825 −0.0021510 −0.0056810 0.0017405 0.0078602 −0.0013437 −0.0110626 −0.0000229 0.0146618 0.0018959 −0.0195594 −0.0053153 0.0255623 0.0104036 −0.0341468 −0.0192165 0.0471258 0.0354118 −0.0728111 −0.0768890 0.1607208 0.4396725 383 1431 1950 96 −2661 −1750 2476 2388 −3867 −5150 3788 7513 −4511 −11914 3650 16484 −2818 −23200 −48 30748 3976 −41019 −11147 53608 21818 −71611 −40300 98830 74264 −152696 −161248 337056 922060 ӷ‫୳ټ‬հഗࢅFIR୳հഗ‫ڦ‬ፇࢇၚᆌ९཮74ăሞ૙ၙጒༀ ူLj૧ᆩӷ‫୳ټ‬հഗ‫ܔ‬ADCຕ਍‫੻ټڦ‬৊ႜ၌዆Lj੗ॽ႑ ሯԲ༵ߛ3dBLj‫ࣷڍ‬ই‫֑گ‬ᄣ໏୲Ă३ณ๼‫؜‬ຕ਍‫ڦ‬੗ᆩ ‫੻ټ‬ăፕྺᆶ൬ຕბሏ໙‫ڦ‬঳ࡕLjᆯᇀNCOࢅӷ‫ڦټ‬প ܏Ljဣཥዐׂࣷิ‫ڦྔܮ‬ଉࣅሯᅼă‫ྔټ‬ሯำঢ়ຕጴ୳հ (्ย୳հഗా࿮ଉࣅဃֶLjADCྺӣሯ‫)ڹ‬LjADC႑ሯԲ ੗༵ߛ3.16 dBǗ‫ڦྔܮڍ‬ଉࣅሯᅼ੗ॽ‫ܔ‬႑ሯԲ‫ڦ‬ᆫࣅই ‫گ‬዁ሀ2.66 dBă 0 –10 –20 AMPLITUDE (dBc) –30 –40 –50 –60 –70 –80 –90 –110 0 0.1 0.2 0.3 0.4 FRACTION OF INPUT SAMPLE RATE 06709-072 –100 ཮74. ӷ‫୳ټ‬հഗࢅFIR୳հഗ‫ࢇްڦ‬ၚᆌ ፌዕ‫ڦ‬NCO ཞօ! ૧ᆩྔևSYNC๼෇႑ࡽLj੗ํ၄‫߲ڇ‬ഗॲాई‫߲ܠ‬ഗॲ ‫ڦ‬AD6655ӷ‫୳ټ‬հഗཞօăཚࡗ‫ܔ‬स٪ഗ0x100‫ڦ‬࿋5ࢅ࿋ 6৊ႜႀ֡ፕLj੗ᅜยዃ௅ْ๭‫ڟ‬SYNC႑ࡽईৈ‫ڼ‬ᅃْ๭ ‫ڟ‬SYNC႑ࡽࢫLj‫ܔ‬օӷ‫୳ټ‬հഗምཞօăᆶၳ‫ڦ‬SYNC႑ ࡽ੗੦዆ӷ‫୳ټ‬հഗٗ໯Պ‫ڦײ‬၎ᅎኵ‫ت‬ዘႎഔ‫ۯ‬ă 32࿋ྲۙNCO‫ڦ‬๼‫؜‬ຕ਍๟ްຕ႑ࡽǗཚ‫׉‬ഄዐ႐ೕ୲থ ৎ኱ୁă޿ްຕ๼‫؜‬ঢ়ӷ‫୳ټ‬հഗࢅFIR୳հഗ‫ت‬૙Lj੗ ༵ࠃട‫୳۠ंੇڦړ‬հăፌዕ‫ڦ‬NCO੗ٗॽްຕ๼‫؜‬႑ࡽ ٗ኱ୁೕ୲ӭᅎLjܸٗ๑AD6655๼‫ํ؜‬႑ࡽăፌዕ‫ڦ‬ NCO๑ీࢫLj੗ॽ኱ୁ๼‫؜‬႑ࡽገ࣑‫ׯ‬ೕ୲ྺADC֑ᄣೕ ୲ӗ‫ݴ‬ኮᅃ(fADC/8)‫ڦ‬႑ࡽăኄᄣLjᆩࢽ੗‫ڟڥ‬ዐ႐ೕ୲ྺ fADC/8‫؏ڦ‬ൽ๼‫؜‬႑ࡽăईኁLj੗ᅜॽፌዕ‫ڦ‬NCOಖୟLj ժᅜ঍‫ݛٱ‬๕๼‫؜‬ዐ႐ೕ୲ྺ኱ୁIኵࢅQኵă Rev. A | Page 40 of 88 AD6655 ADC‫ג‬ଉ‫ײ‬ᇑሺᅮ੦዆ ሞথ๭ഗᆌᆩዐLjႴᄲᅃዖ੗੍‫ڦ‬ऐ዆Ljీࠕਦۨገ࣑ഗ ࢆ้݀ิᶏ࿋ăՔጚ‫ڦ‬ᅯ‫؜‬ኸ๖ഗీࠕྺఇె๼෇ጒༀ༵ ࠃ๚ࢫ႑တLjᅺܸፕᆩᆶ၌ăᅺُLjፌࡻ੗ᅜยۨ‫گ‬ᇀ஢ ଉ‫ڦײ‬੗Պ‫ײ‬ពኵLjᅜՍሞ݀ิ݀ิമই‫گ‬ሺᅮăଷྔLj ᆯᇀ๼෇႑ࡽ‫ڦ‬უӦ୲੗ీ‫ߛ׉ݥ‬LjᅺُLj޿ࠀీ‫ڦ‬ჽ‫׿‬ ้क़‫࠲׉ݥ‬॰ă඗ܸLjߛ‫ୁ܈‬຤၍ገ࣑ഗᆶ‫ڦٷ׉ݥ‬ჽ ‫׿‬ăᅺُLjࢇ૙‫ڦ‬ችዐ‫ݛ‬ӄ๟๑ᆩઠጲADC‫ڼ‬ᅃप‫ڦ‬๼‫؜‬ ࿋ઠํ၄޿ࠀీăኄၵ๼‫؜‬࿋‫ڦ‬ჽ‫گ׉ݥ׿‬Ljኝ༹‫ݴ‬Ր୲ փׂࣷิ௽၂‫ڦ‬ᆖၚă‫ۆ‬႙‫ރڦ‬ኵ๼෇႑ࡽ‫ྺྷݔ‬஢ଉ‫ײ‬ ࢅ‫گ‬ᇀ஢ଉ‫ײ‬6 dB዁10 dBă3࿋ई4࿋๼‫؜‬੗ྺ޿ࠀీ༵ࠃ ፁࠕ‫ڦ‬႑ࡽ‫ݴࢅྷݔ‬Ր୲ă ૧ᆩSPI‫܋‬੨Ljᆩࢽ੗ยዃ๑‫ג‬ଉ‫ײ‬๼‫؜‬ᆶၳ‫ڦ‬ពኵăᅃ ‫ڋ‬႑ࡽ‫گ‬ᇀ޿ពኵLj๼‫؜‬ᆌྼ‫ۉگ׼‬ೝጒༀăଷྔLj࣏੗ ཚࡗSPI‫܋‬੨‫੺ܔ‬໏ॠ֪๼‫؜‬৊ႜՊ‫ײ‬LjᅜՍॽኄၵᆅগ ഄዐ‫ڦ‬ᅃ߲ᆅগยዃྺ‫د‬ཥ‫גڦ‬ଉ‫ײ‬ᆅগLjܸٗ஢ፁኟሞ ๑ᆩ޿༬Ⴀਜ਼ࢽ‫ڦ‬Ⴔᄲăሞ޿ఇ๕ူLjᅜ‫د‬ཥ‫ݛ‬๕ॠֱገ ࣑ഗ‫ڦ‬໯ᆶ14߲࿋Ǘ‫ړ‬ॠ֪‫ڟ‬ᅯ‫้؜‬Ljॽ๼‫ۉߛ؜‬ೝ႑ ࡽă࿮ஃనዖఇ๕ူLjऺ໙้‫ۼ‬Ⴔᄲ੊୯ຕ਍‫ٷڦ‬ၭ(‫ڍ‬࿮ Ⴔ੊୯ຕ਍‫)ࡽޙڦ‬ăពኵॠ֪ᅜ၎ཞ‫ݛڦ‬๕‫ت‬૙ఫၵ‫؜ג‬ ೺ྭ‫ڦ)܈ޗ(ྷݔ‬ኟĂ޶႑ࡽă ੺໏ॠ֪߁ຎ! AD6655ాዃᆶዺᇀ੺໏‫ג‬ଉ‫ײ‬ॠ֪‫ۉڦ‬ୟLjీࠕํ၄‫׉ݥ‬ ଳऄ‫ྔڦ‬ևሺᅮ੦዆ă௅߲ADCᆶ຺߲੺໏ॠ֪(FD)๼‫؜‬ ᆅগLjᆩᇀ๼‫؜‬ᆶ࠲‫ړ‬മADC๼෇‫ۉ‬ೝጒༀ‫ڦ‬႑တăᆩࢽ ੗ཚࡗยዃस٪ഗ0x104‫੺ڦ‬໏ॠ֪ఇ๕჋ስ࿋ࢅ੺໏ॠ ֪๑ీ࿋Lj‫ܔ‬ฉຎᆅগ‫ీࠀڦ‬৊ႜՊ‫ײ‬ยۨLjܸٗሎႹٗ ాևຕ਍ୟ০‫ڦ‬փཞ࿋ዃ๼‫ྷݔ؜‬႑တăଷྔLjኄၵ๼‫؜‬ ᆅগ࣏੗ᅜߵ਍੗Պ‫ײ‬ពኵยዃLjኸ๖๟‫؜ޏ‬၄‫ג‬ଉ‫ײ‬ई വଉ‫ײ‬ཉॲă՗21ߴ‫؜‬ᆩᇀ੺໏ॠ֪ᆅগ‫ڦ‬6ዖದዃă ՗21. ੺໏ॠ֪ఇ๕჋ስ࿋‫ڦ‬ยዃ ੺໏ॠ֪ఇ๕჋ስ࿋ (स٪ഗ0x104[3:1]) 000 001 010 011 100 101 ‫؜‬၄ሞ߳ADC੺໏ॠ֪(FD) ᆅগ‫ڦت‬႑တ1, 2 FD[3] FD[2] FD[1] ADC੺໏‫(܈ޗ‬९՗22) ADC੺໏‫܈ޗ‬ (९՗23) ‫ג‬ଉ‫ײ‬ ADC੺໏‫܈ޗ‬ (९՗24) ADC੺໏‫܈ޗ‬ (९՗24) ‫ג‬ଉ‫ײ‬ ‫ג‬ଉ‫ײ‬ C_UT F_UT FD[0] OR F_LT C_UT F_LT F_UT IG F_LT DG 1 ᇑ CMOSఇ ๕ ದ ዃ ‫ ܔ‬ᆌ ‫ ੺ ڦ‬໏ ॠ ֪ ᆅ গ ྺ FD0A/FD0B዁ FD3A/FD3BǗᇑLVDSఇ๕ದዃ‫ܔ‬ᆌ‫੺ڦ‬໏ॠ֪ᆅগྺFD0+/FD0− ዁FD3+/FD3−ă 2 ᆶ࠲ORĂC_UTĂF_UTĂF_LTĂIGࢅDG‫ܠ߸ڦ‬႑တLj൩֖ለ“ADC ‫ג‬ଉ‫(ײ‬OR)ᇑሺᅮਸ࠲”և‫ݴ‬ă ADC੺໏‫܈ޗ‬ ‫੺ܔ‬໏ॠ֪๼‫؜‬ᆅগ৊ႜದዃLjᅜ๼‫؜‬ADC੺໏‫(܈ޗ‬न ੺໏ॠ֪ఇ๕჋ስ࿋ยྺ0b000)้Lj๼‫ڦ؜‬႑တ๟ઠጲገ ࣑ഗമप‫ڦ‬ADC‫ۉ‬ೝLjሞCMOS๼‫؜‬ఇ๕ူLj޿‫ۉ‬ೝኻᆶ ଇ้߲ዓዜ೺‫ڦ‬ჽ‫׿‬țሞLVDS๼‫؜‬ఇ๕ူLj߳ዖ੺໏ॠ ֪ఇ๕‫੺ڦ‬໏ॠ֪࿋ჽ‫้׿‬क़਩ྺୃ้߲ዓዜ೺țሞኄዖ ದዃူLj੺໏ॠ֪๼‫؜‬ᆅগᆩᇀ৑੗ీራ‫ۉࠃ༵ں‬࿋ኸ๖ ႑တțᆯᇀ႑တሞຕ਍ୟ০ా༵ࠃ‫้ڦ‬क़ԲডራLjᅺُLj ‫ۉ‬࿋ኸ๖ኵ٪ሞড‫ڦٷ‬փඓۨႠțሞ՗22ዐLjଚ‫؜‬କADC ੺໏‫܈ޗ‬໯ኸ๖‫ڦ‬Ք‫׬‬຤ೝतփඓۨႠțᆯᇀDCO‫ڦ‬໏୲ ྺ֑ᄣ୲‫ڦ‬ᅃӷLjᅺُLjᆩࢽ੗ཚࡗሞDCOฉืᄂࢅူই ᄂ֑ᄣ੺໏ॠ֪๼‫؜‬႑ࡽLjइ‫ڥ‬ඇև੺໏ॠ֪႑တ(้Ⴞ႑ တ९཮2)ț ՗22. ADC੺໏‫܈ޗ‬Ք‫׬‬຤ೝ )੺໏ॠ֪ఇ๕჋ስ࿋‫ڦ‬ኵྺ000* FD[3:0] ᆅগฉ‫ڦ‬ ADC੺໏‫܈ޗ‬ 0000 0001 0010 0011 0100 0101 0110 0111 1000 Rev. A | Page 41 of 88 ‫گ‬ᇀFS‫ڦ‬ Ք‫׬‬๼෇‫܈ޗ‬ (‫ڇ‬࿋ǖdB) ! 2Ă࿋7! >! 2Ăഄᇆ࿋਩ྺ 1ăُยዃ๟ఐණ‫ڦ‬एጚ‫ۉ‬უ჋ስยዃăఐණኵ‫ܔ‬ᆌ3/1! W ‫ރރ‬एጚ‫ۉ‬უăසႴକ঴߸‫࠲ܠ‬ᇀ޿༬Ⴀतഄ໱༬Ⴀ‫ڦ‬႑ တLj൩֖ለᆌᆩԴऻBO.988ǖཚࡗTQJᇑߛ໏BEDথ ੨ă޿࿔‫ၘڗ‬ဦ௮ຎକस٪ഗ1y11዁स٪ഗ1yGG੦዆‫ڦ‬ ࠀీă٪‫ئ‬ഗᆙพस٪ഗ௮ຎև‫঻࣏ݴ‬ถକഄ໲स٪ഗ)स ٪ഗ1y211዁स٪ഗ1y234*ă! ্ᆩ‫ںڦ‬኷! ޿ഗॲణമ࣏փኧ‫׼‬࿄ଚሞ՗3:ዐ‫ںڦ‬኷ࢅ࿋ăᆶၳ‫ں‬኷ ዐ࿄๑ᆩ‫ڦ‬࿋ᆌႀྺ1ăሞ޿‫ں‬኷)૩සǖ‫ں‬኷1y29*ৈᆶև ‫ݴ‬࿋‫ت‬ᇀ্ᆩጒༀ้Lj֍੗ᅜ‫ܔ‬ኄၵ࿋ዃ৊ႜႀ֡ፕăස ࡕኝ߲‫ں‬኷)૩සǖ‫ں‬኷1y24*਩্ᆩLjሶփᆌ‫ں޿ܔ‬኷৊ ႜႀ֡ፕă! ఐණኵ! ‫د‬ໃस٪ഗᆙพ ‫ں‬኷0x08዁‫ں‬኷0x18ࢅ‫ں‬኷0x11E዁‫ں‬኷0x123๟ԥೡԸ ‫ڦ‬ă‫ݥأ‬ཚࡗၠ‫ں‬኷0xFFႀ෇0x01Ljยዃ‫د‬๼࿋Ljᅜ݀‫؜‬ ‫د‬๼ంସLj‫ޏ‬ሶLjၠኄၵ‫ں‬኷৊ႜႀ֡ፕփࣷᆖၚഗॲ‫ڦ‬ ሏႜăኄᄣLjยዃ‫د‬๼࿋้Lj৽੗ᅜሞాևཞ้߸ႎኄၵ स٪ഗăยዃ‫د‬๼࿋้Lj৊ႜాև߸ႎLj൐‫د‬๼࿋ጲ‫ۯ‬ൣ ଭă ༬ۨཚ‫ڢ‬स٪ഗ ੗ཚࡗՊ‫ײ‬Lj‫ྺ܀ڇ‬௅߲ཚ‫ڢ‬ยዃగၵཚ‫(ీࠀڢ‬૩සǖ႑ ࡽ॔੦ពኵ)ăሞኄၵ൧઄ူLj௅߲ཚ‫ڢ‬ሞాևް዆ཚ‫ںڢ‬ ኷࿋ዃăኄၵस٪ഗत၎ᆌ࿋‫ྺڦ‬ਆևस٪ഗLj९՗29ă ཚࡗยዃस٪ഗ0x05‫ڦ‬ཚ‫ڢ‬A࿋ईཚ‫ڢ‬B࿋Lj੗‫ݡ‬࿚ኄၵਆ ևस٪ഗत၎ᆌ࿋ăॽཚ‫ڢ‬A࿋ࢅཚ‫ڢ‬B࿋ዃ࿋ࢫLjࢫჄႀ ֡ፕॽᆖၚଇ߲ཚ‫ڦڢ‬स٪ഗă ሞᅃ߲‫܁‬ዜ೺ాLjৈሎႹ ॽᅃ߲ཚ‫ڢ‬࿋(ཚ‫ڢ‬A࿋ईཚ‫ڢ‬B࿋)ዃ࿋LjᅜՍ‫ܔ‬ഄዐ‫ڦ‬ᅃ ߲ईଇ߲स٪ഗኴႜ‫֡܁‬ፕăසࡕሞᅃ߲SPI‫܁‬ዜ೺ాዃ ࿋ଇ߲ཚ‫ڢ‬࿋Ljሶഗॲ‫࣮ݓ‬ཚ‫ڢ‬A‫ڦ‬ኵă‫ړ‬փሎႹ‫ݴ‬՚ย ዃଇ߲ཚ‫้ڢ‬Lj՗29ߴ‫ڦ؜‬ඇਆस٪ഗत၎ᆌ࿋Ljॽᆖၚ ኝ߲ഗॲईཚ‫ڦڢ‬༬Ⴀăस٪ഗ0x05ዐ‫ڦ‬ยዃփᆖၚඇਆ स٪ഗत၎ᆌ࿋‫ڦ‬ኵă BE7766ް࿋ࢫLjॽၠ࠲॰स٪ഗాሜ෇ఐණኵă՗3:)٪ ‫ئ‬ഗᆙၟस٪ഗ՗*ాଚ‫؜‬କ߳स٪ഗ‫ڦ‬ఐණኵă! Rev. A | Page 50 of 88 AD6655 ٪‫ئ‬ഗᆙพस٪ഗ՗! ޿ഗॲణമ࣏փኧ‫׼‬࿄ଚሞ՗29ዐ‫ںڦ‬኷ࢅ࿋ă ՗29. ٪‫ئ‬ഗᆙพस٪ഗ ‫ں‬኷ (ๆୃ स٪ഗ ৊዆) ఁ‫׬‬ ႊೌದዃस٪ഗ 0x00 SPI‫܋‬੨ದዃ (ඇਆ) 0x01 ႊೌID (ඇਆ) 0x02 ႊೌ‫ڪ‬प (ඇਆ) ࿋7 (MSB) ࿋6 ࿋5 ࿋4 ࿋3 ࿋2 0 LSBᆫံ ෉ް࿋ 1 1 ෉ް࿋ ࿋1 ࿋0 (LSB) ఐණኵ (ๆୃ ৊዆) LSBᆫံ 0 0x18 ଇ߲ӷጴবኮ क़๟৥ၟ࠲ ဣLj๑‫ڥ‬࿮ஃ ሞࢆዖᅎ࿋ఇ ๕ူLjLSBᆫံ ఇ๕स٪ഗई MSBᆫ ံ ఇ ๕ स٪ഗ਩ీኟ ඓऻ୤ຕ਍ă 0x0D ఐණኵྺྸᅃ ႊ ೌ IDLj ߳ ഗ ॲ਩փ၎ཞǗ ޿स٪ഗྺኻ ‫܁‬स٪ഗ 8࿋ႊೌID[7:0] )AD6655 = 0x0D* )ఐණ* ্ᆩ ্ᆩ ໏‫ڪ܈‬पID[4:3] 00 = 150 MSPS 01 = 125 MSPS 10 = 105 MSPS 11 = 80 MSPS ্ᆩ ্ᆩ ্ᆩ ্ᆩ ຕ਍ ཚ‫ڢ‬A (ఐණ) ఐණຫ௽ /ጀ๥ ໏ ‫ ڪ ܈‬प IDLj ᆩᇀ൶‫ݴ‬փཞ ‫ڦ‬ഗॲǗ޿स ٪ഗྺኻ‫܁‬स ٪ഗ ཚ‫ڢ‬໭ᆅࢅ‫د‬๼स٪ഗ 0x05 ཚ‫ڢ‬໭ᆅ ্ᆩ ্ᆩ ্ᆩ ্ᆩ ্ᆩ ্ᆩ ຕ਍ ཚ‫ڢ‬B (ఐණ) 0xFF ‫د‬๼ ্ᆩ ্ᆩ ্ᆩ ্ᆩ ্ᆩ ্ᆩ ্ᆩ ‫د‬๼! 0x03 ยዃኄၵ࿋Lj ᅜՍਦۨᆯೌ ా‫ڦ‬నᅃ߲ഗ ॲথ๭ူᅃཉ ႀంସǗᆩᇀ ਆևस٪ഗă 0x00 ٗዷᅎ࿋स٪ ഗၠٗᅎ࿋स ٪ഗཞօ‫د‬๼ ຕ਍ 0x00 ਦۨႊೌ‫ڦ‬ᅃ ӯ߾ፕఇ๕ă ADCࠀీस٪ഗ 0x08 ‫ۉ‬ᇸఇ๕ ্ᆩ ্ᆩ ྔևۖ‫ۉ‬ ᆅগࠀీ )ඇਆ* 0 = ۖ‫ۉ‬ 1 = ‫ځ‬ऐ ্ᆩ ্ᆩ ্ᆩ ాևۖ‫ۉ‬ఇ๕(ਆև) 00 = ኟ‫߾׉‬ፕ 01 = ྜඇۖ‫ۉ‬ 10 = ‫ځ‬ऐ 11 = ኟ‫߾׉‬ፕ 0x09 ඇਆ้ዓ (ඇਆ) ্ᆩ ্ᆩ ্ᆩ ্ᆩ ্ᆩ ্ᆩ ্ᆩ 0x0B ้ዓ‫ݴ‬ೕ (ඇਆ) ্ᆩ ্ᆩ ্ᆩ ্ᆩ ্ᆩ Rev. A | Page 51 of 88 ้ዓ‫ݴ‬ೕԲ 000 = 1‫ݴ‬ೕ 001 = 2‫ݴ‬ೕ 010 = 3‫ݴ‬ೕ 011 = 4‫ݴ‬ೕ 100 = 5‫ݴ‬ೕ 101 = 6‫ݴ‬ೕ 110 = 7‫ݴ‬ೕ 111 = 8‫ݴ‬ೕ ቞੣Բ࿘ۨ (ఐණ) 0x01 0x00 ‫้ړ‬ዓ‫ݴ‬ೕԲ փ ྺ 000้ Lj ጲ‫ۯ‬ഔ‫้ۯ‬ዓ ቞੣Բ࿘ۨࠀ ీă AD6655 ‫ں‬኷ (ๆୃ ৊዆) 0x0D  स٪ഗ ఁ‫׬‬ ࿋7 (MSB) ࿋6 ࿋5 ࿋4 ࿋3 ֪๬ఇ๕ (ਆև) ্ᆩ ্ᆩ ް࿋PN ‫׊‬Ⴞଚ ް࿋PN ‫܌‬Ⴞଚ ্ᆩ 0x10 ೋᅎۙኝ (ਆև) ্ᆩ ্ᆩ 0x14 ๼‫؜‬ఇ๕! ൻ‫ۯ‬ഽ‫܈‬ 0 V዁ 3.3 V CMOSई ANSI LVDSǗ 1 V዁1.8 V CMOSई ‫گ‬უLVDS )ඇਆ* ๼‫؜‬ૌ႙ 0 = CMOS 1 = LVDS (ඇਆ) 0x16 ้ዓ၎࿋ ੦዆(ඇਆ) ‫ݒ‬ገ DCO้ዓ ্ᆩ ্ᆩ 0x17 DCO ๼‫؜‬ჽ‫׿‬ (ඇਆ) ্ᆩ ্ᆩ ্ᆩ 0x18 VREF჋ስ (ඇਆ) एጚ‫ۉ‬უ჋ስ ࿋2 ࿋0 (LSB) ࿋1 ๼‫֪؜‬๬ఇ๕ 000 = ࠲Կ DŽఐණDž 001 = ଉ‫ײ‬ዐኵ 010 = ኟFS 011 = ޶FS 100 = ੗჋ॠ֪ӱ 101 = PN‫׊‬Ⴞଚ 110 = PN‫܌‬Ⴞଚ 111 = 1/0ጴ঍༺ ্ᆩ ্ᆩ ্ᆩ ๼‫؜‬๑ీ (ਆև) 00 =ೋᅎܾ৊዆ 01 =ܾ৊዆ցஓ 01 =߭ૃஓ 11 =ೋᅎܾ৊዆ (ਆև) ๼෇้ዓ‫ݴ‬ೕഗ၎࿋ۙኝ 000 = ࿮ჽ‫׿‬ 001 = 1߲๼෇้ዓዜ೺ 010 = 2߲๼෇้ዓዜ೺ 011 = 3߲๼෇้ዓዜ೺ 100 = 4߲๼෇้ዓዜ೺ 101 = 5߲๼෇้ዓዜ೺ 110 = 6߲๼෇้ዓዜ೺ 111 = 7߲๼෇้ዓዜ೺ DCO้ዓჽ‫׿‬ (ჽ‫ = ׿‬2500 ps × स٪ഗኵ/31) 00000 = 0 ps 00001 = 81 ps 00010 = 161 ps … 11110 = 2419 ps 11111 = 2500 ps ্ᆩ ্ᆩ ্ᆩ ্ᆩ ႑ࡽ॔੦ ཞօ๑ీ! ሞူᅃ߲ ӷ‫ټ‬ ཞօஞ؋้Lj ཞօ๑ీ! ӷ‫୳ټ‬հഗ ཞօ ሞူᅃ߲ NCO32 ཞօஞ؋ ཞօ๑ీ ้Lj NCO32ཞօ fS/8ਸ๔ጒༀ ্ᆩ ದዃ๼‫ࢅ؜‬ ຕ਍߭๕ 0x00 ሎႹྺ๼෇ ้ዓ‫ݴ‬ೕഗ ჋ስ้ዓჽ ‫!׿‬ 0x00 ሎႹྺ๼෇ ้ዓ‫ݴ‬ೕഗ ჋ስ้ዓჽ ‫!׿‬ 0xC0 ሞူᅃ߲ ้ዓ‫ݴ‬ೕഗ ዷཞօ๑ీ! ཞօஞ؋ ཞօ๑ీ! ้Lj้ዓ ‫ݴ‬ೕഗ ཞօ ሞူᅃ߲ཞ fS/8 օஞ؋้Lj ཞօ๑ీ fS/8ཞօ 0x00 0x101 fS/8๼‫ं؜‬ೕ ੦዆(ඇਆ) ্ᆩ ্ᆩ 0x102 FIR୳հഗࢅ ๼‫؜‬ఇ๕੦዆ )ඇਆ* ্ᆩ ্ᆩ ্ᆩ ্ᆩ FIR ሺᅮ fS/8๼‫ް ؜‬ຕ๼‫؜‬ 0 = ሺᅮྺ2 ंೕ্ᆩ ๑ీ! 1 = ሺᅮྺ1 FIR ୳հഗ๑ీ 0x00 0x103 ຕጴ୳հഗ ੦዆(ඇਆ) ্ᆩ ্ᆩ ্ᆩ ্ᆩ ӷ‫ټ‬ ؏ൽ၎࿋! ্ᆩ 0x01 ্ᆩ Rev. A | Page 52 of 88 ্ᆩ ೕ೷‫ݒ‬ገ ߛཚ/‫گ‬ཚ ჋ስ ๑ీ้Lj֪ ๬ຕ਍ॽൽ ‫ پ‬ADC๼ ‫؜‬ ຕ਍Ljԥዃ ᇀ๼‫؜‬ᆅগ ฉă 0x00 00 = 1.25 V ‫ރރ‬ኵ 01 = 1.5 V‫ރރ‬ኵ 10 = 1.75 V ‫ރރ‬ኵ 11 = 2.0 V‫ރރ‬ኵ (ఐණ) ຕጴ༬Ⴀ੦዆स٪ഗ 0x100 ཞօ੦዆ (ඇਆ) ఐණຫ௽ /ጀ๥ 0x00 ೋᅎۙኝLjᅜLSBྺ‫ڇ‬࿋Ljٗ+31዁-32(ܾ৊዆ցஓ߭๕) ্ᆩ ఐණኵ (ๆୃ ৊዆) 0x00 0x00 AD6655 ‫ں‬኷ (ๆୃ ৊዆) 0x104 ఐණኵ (ๆୃ ৊዆) 0x00 स٪ഗ ఁ‫׬‬ ࿋7 (MSB) ࿋6 ࿋5 ࿋4 ੺໏ॠ֪੦዆ (ਆև) ্ᆩ ্ᆩ ্ᆩ ্ᆩ 0x105 ٚۙពኵฉ၌ (ਆև) ্ᆩ ্ᆩ ্ᆩ ্ᆩ 0x106 ྲۙពኵฉ၌ स٪ഗ0 (ਆև) 0x107 ྲۙពኵฉ၌ स٪ഗ1 (ਆև) 0x108 ྲۙពኵူ၌ स٪ഗ0 (ਆև) 0x109 ྲۙពኵူ၌ स٪ഗ1 (ਆև) 0x10A ሺଉሺᅮጂା ้क़स٪ഗ0 (ਆև) ሺଉሺᅮጂା้क़[7:0] 0x00 ሞADC้ዓ ዜ೺ా 0x10B ሺଉሺᅮጂା ้क़स٪ഗ1 (ਆև) ሺଉሺᅮጂା้क़[15:8] 0x00 ሞADC้ዓ ዜ೺ా 0x10C ႑ࡽ॔੦኱ୁ ၯኟ੦዆ (ඇਆ) 0x10D ႑ࡽ॔੦ ኱ୁኵཚ‫ڢ‬A स٪ഗ0 (ඇਆ) 0x10E ႑ࡽ॔੦ ኱ୁኵཚ‫ڢ‬A स٪ഗ0 (ඇਆ) 0x10F ႑ࡽ॔੦ ኱ୁኵཚ‫ڢ‬B स٪ഗ0 (ඇਆ) 0x110 ႑ࡽ॔੦ ኱ୁኵཚ‫ڢ‬B स٪ഗ1 (ඇਆ) ্ᆩ ্ᆩ 0x111 ႑ࡽ॔੦ SPORT੦዆ (ඇਆ) ্ᆩ RMS‫܈ޗ‬ ๼‫؜‬๑ీ ࿋3 ࿋2 ࿋1 ੺໏ॠ֪ఇ๕჋ስ[2:0] ࿋0 (LSB) ੺໏ॠ֪๑ీ ٚۙពኵฉ၌[2:0] ্ᆩ ্ᆩ ྲۙពኵฉ၌[12:8] ্ᆩ 0x00 0x00 ྲۙពኵူ၌[7:0] ্ᆩ ্ᆩ ্ᆩ ኱ୁၯኟ‫(੻ټ‬k:[3:0]) ኱ୁၯኟ ۳঳! 0x00 ྲۙពኵူ၌[12:8] ্ᆩ 0x00 0x00 ྲۙពኵฉ၌[7:0] ্ᆩ ᆩᇀ႑ࡽ ୟ০‫ڦ‬ ኱ୁ ၯኟ๑ీ! ᆩᇀ႑ࡽ ॔੦‫ڦ‬኱ୁ ၯኟ๑ీ!! 0x00 ኻ‫!܁‬ ኱ୁኵཚ‫ڢ‬A[7:0] ্ᆩ ኻ‫!܁‬ ኱ୁኵཚ‫ڢ‬A[13:8] ্ᆩ ኻ‫!܁‬ ኱ୁኵཚ‫ڢ‬B[7:0] ኱ୁኵཚ‫ڢ‬B[13:8] ‫ރ‬ኵॠ֪ഗ ๼‫؜‬๑ీ! ࡗពኵ ๼‫؜‬๑ీ ఐණຫ௽ /ጀ๥ SPORT SMI SCLK‫ݴ‬ೕ 00 = ࿄ۨᅭ 01 = 2‫ݴ‬ೕă 10 = 4‫ݴ‬ೕă 11 = 8‫ݴ‬ೕă Rev. A | Page 53 of 88 ኻ‫!܁‬ SPORT SMI SCLK ລ௥ ႑ࡽ॔੦ SPORT ๼‫؜‬๑ీ 0x04 AD6655 ‫ں‬኷ (ๆୃ ৊዆) 0x112 स٪ഗ ఁ‫׬‬ ࿋7 (MSB) ႑ࡽ॔੦ ੦዆ (ඇਆ) ްຕࠀ୲ ऺ໙ఇ๕ ๑ీ! ࿋6 ࿋5 ࿋4 ࿋3 ࿋2 ࿋1 ্ᆩ ্ᆩ ্ᆩ ႑ࡽ॔੦ ਩‫ߵݛ‬/ ਩‫ݛ‬჋ስ 0 = rms 1 = ms ႑ࡽ॔੦ఇ๕ 00 = ਩‫ߵݛ‬/਩‫܈ޗݛ‬ 01 = ‫ރ‬ኵॠ֪ഗ 10 = ࡗពኵ 11 = ࡗពኵ ࿋0 (LSB) ႑ࡽ ॔੦๑ీ! ఐණኵ (ๆୃ ৊዆) 0x00 ఐණຫ௽ /ጀ๥ 0x113 ႑ࡽ॔੦ዜ೺ स٪ഗ0 (ඇਆ) ႑ࡽ॔੦ዜ೺[7:0] 0x80 ሞ ADC ้ዓዜ೺ా 0x114 ႑ࡽ॔੦ዜ೺ स٪ഗ1 (ඇਆ) ႑ࡽ॔੦ዜ೺[15:8] 0x00 ሞ ADC ้ዓዜ೺ా 0x115 ႑ࡽ॔੦ዜ೺ स٪ഗ2 (ඇਆ) ႑ࡽ॔੦ዜ೺[23:16] 0x00 ሞ ADC้ዓ ዜ೺ా 0x116 ႑ࡽ॔੦঳ࡕ ཚ‫ڢ‬Aस٪ഗ0 (ඇਆ) ႑ࡽ॔੦঳ࡕཚ‫ڢ‬A[7:0] ኻ‫!܁‬ 0x117 ႑ࡽ॔੦঳ࡕ ཚ‫ڢ‬Aस٪ഗ1 (ඇਆ) ႑ࡽ॔੦঳ࡕཚ‫ڢ‬A[15:8] ኻ‫!܁‬ 0x118 ႑ࡽ॔੦঳ࡕ ཚ‫ڢ‬Aस٪ഗ2 (ඇਆ) 0x119 ႑ࡽ॔੦঳ࡕ ཚ‫ڢ‬Bस٪ഗ0 (ඇਆ) ႑ࡽ॔੦঳ࡕཚ‫ڢ‬B[7:0] ኻ‫!܁‬ 0x11A ႑ࡽ॔੦঳ࡕ ཚ‫ڢ‬Bस٪ഗ1 (ඇਆ) ႑ࡽ॔੦঳ࡕཚ‫ڢ‬B[15:8] ኻ‫!܁‬ 0x11B ႑ࡽ॔੦঳ࡕ ཚ‫ڢ‬Bस٪ഗ2 (ඇਆ) ্ᆩ ্ᆩ ্ᆩ ্ᆩ 0x11D NCO੦዆ (ඇਆ) ্ᆩ ্ᆩ ্ᆩ ্ᆩ 0x11E NCO ೕ୲0 NCO ೕ୲1 NCOೕ୲ኵ[7:0] 0x00 NCOೕ୲ኵ[15:8] 0x00 NCO ೕ୲2 NCOೕ୲ኵ[23:16] 0x00 0x11F 0x120 ্ᆩ ্ᆩ ্ᆩ ኻ‫!܁‬ ႑ࡽ॔੦঳ࡕཚ‫ڢ‬A[19:16] ্ᆩ ኻ‫!܁‬ ႑ࡽ॔੦঳ࡕཚ‫ڢ‬B[19:16] ্ᆩ Rev. A | Page 54 of 88 NCO32 ၎࿋ ඡ‫ۯ‬๑ీ NCO32 ‫܈ޗ‬ ඡ‫ۯ‬๑ీ NCO32 ๑ీ 0x00 AD6655 ‫ں‬኷ (ๆୃ ৊዆) 0x121 स٪ഗ ఁ‫׬‬ NCO ೕ୲3 ࿋7 (MSB) ࿋6 ࿋5 ࿋4 ࿋3 ࿋2 ࿋1 ࿋0 (LSB) NCOೕ୲ኵ[31:24] ఐණኵ (ๆୃ ৊዆) 0x00 0x122 NCO၎ᅎ0 NCO၎࿋ኵ[7:0] 0x00 0x123 NCO၎ᅎ1 NCO၎࿋ኵ[15:8] 0x00 ఐණຫ௽ /ጀ๥ ٪‫ئ‬ഗᆙพस٪ഗຫ௽! ࿋1—้ዓ‫ݴ‬ೕഗཞօ๑ీ සႴକ঴߸‫࠲ܠ‬ᇀस٪ഗ0x00዁0xFF‫ڦ‬੦዆ࠀీLj൩‫ݡ‬࿚ www.analog.comLjֱለᆌᆩ๮֩AN-877ǖཚࡗSPIᇑߛ໏ ADCথ੨ă ࿋1ॽཞօஞ؋჋ཚ዁้ዓ‫ݴ‬ೕഗă‫ړ‬࿋1ࢅ࿋0ྺߛ‫ۉ‬ೝ ้Ljཞօ႑ࡽཚࡗăኄ๟૶Ⴤཞօఇ๕ă ཞօ੦዆DŽस٪ഗ0x100Dž ࿋7—႑ࡽ॔੦ཞօ๑ీ ࿋0ՂႷྺߛ‫ۉ‬ೝLjᅜ๑ీඪᅃཞօࠀీă ࿋7੦዆๟‫ޏ‬ሎႹॽྔևཞօஞ؋‫د‬๼዁႑ࡽ॔੦ఇ੷ă ‫ړ‬࿋7ࢅ࿋0ྺߛ้Ljཞօ႑ࡽཚࡗăኄ๟૶Ⴤཞօఇ๕ă ࿋[7:6]—ԍା ࿋[5:4]—fS/8ഐ๔ጒༀ ࿋6—ሞူᅃ߲ཞօஞ؋้Ljӷ‫୳ټ‬հഗཞօ ࿋5ࢅ࿋4ᆩᇀยۨfs/8๼‫ं؜‬ೕ‫ڦ‬ഐ๔၎࿋ă සࡕዷཞօ๑ీ࿋DŽस٪ഗ0x100‫ڦ‬࿋0Džࢅӷ‫ټ‬ཞօ๑ీ ࿋DŽस٪ഗ0x100‫ڦ‬࿋5DžྺߛLjሶ࿋6ሎႹNCO32ሞ໲থ ๭‫ڼڟ‬ᅃ߲ཞօஞ؋ࢫཞօLjժࢮ୼ഄ໲ஞ؋႑ࡽăස࿋ 6ዃ1Ljሶ޿ཞօ݀ิࢫLjस٪ഗ0x100‫ڦ‬࿋5ް࿋ă ࿋[3:2]—ԍା ࿋1—ሞူᅃ߲ཞօஞ؋้LjfS/8ཞօ ࿋0—ዷཞօ๑ీ fs/8๼‫ं؜‬ೕ੦዆(स٪ഗ0x101) ࿋5—ӷ‫ټ‬ཞօ๑ీ ࿋5ॽཞօஞ؋჋ཚ዁ӷ‫୳ټ‬հഗă‫ړ‬࿋5ྺߛ้Ljཞօ႑ ࡽ੗ᅜ๑ӷ‫ټ‬ምཞօLjምཞօ‫ڦ‬ഐ๔้क़ൽਦᇀᆯस٪ഗ 0x103‫ڦ‬࿋3ਦۨ‫ڦ‬ӷ‫؏ټ‬ൽ၎࿋ăৈ‫ړ‬ዷཞօ๑ీ࿋DŽस ٪ഗ0x100‫ڦ‬࿋0Džྺߛ้Lj޿ཞօᆶၳăኄ๟૶Ⴤཞօఇ ๕ă ‫ړ‬ዷཞօ๑ీ࿋)स٪ഗ0x100‫ڦ‬࿋0*ࢅfS/8ཞօ๑ీ࿋)स ٪ഗ0x101‫ڦ‬࿋0*ྺߛ้Lj࿋1ሎႹfS/8๼‫ं؜‬ೕሞথ๭‫ڼڟ‬ ᅃ߲ཞօஞ؋႑ࡽࢫཞօLjժࢮ୼ഄ໲ཞօஞ؋႑ࡽăཞ օࡗ‫ࢫׯྜײ‬Ljस٪ഗ0x100‫ڦ‬࿋0ް࿋ă ࿋0—fS/8ཞօ๑ీ ࿋0ॽཞօஞ؋჋ཚ዁fs/8๼‫ं؜‬ೕăৈ‫ړ‬ዷཞօ๑ీ࿋)स ٪ഗ0x100‫ڦ‬࿋0*ྺߛ้Lj޿ཞօᆶၳăኄ๟૶Ⴤཞօఇ ๕ă ࿋4—ሞူᅃ߲ཞօஞ؋้LjNCO32ཞօ FIR୳հഗࢅ๼‫؜‬ఇ๕੦዆(स٪ഗ0x102) සࡕዷཞօ๑ీ࿋)स٪ഗ0x100‫ڦ‬࿋0*ࢅNCO32ཞօ๑ీ ࿋)स٪ഗ0x100‫ڦ‬࿋3*ྺߛLjሶ࿋4ሎႹNCO32ሞথ๭‫ڼڟ‬ ᅃ߲ཞօஞ؋႑ࡽࢫཞօLjժࢮ୼ഄ໲ཞօஞ؋႑ࡽăස ࿋4ዃ1Ljሶ‫ړ‬ཞօ݀ิࢫLjस٪ഗ0x100‫ڦ‬࿋3ް࿋ă ࿋[7:4]—ԍା ࿋3—FIRሺᅮ ࿋3—NCO32ཞօ๑ీ ࿋3ॽཞօஞ؋჋ཚ዁32࿋NCOă‫޿ړ‬࿋ྺߛ้Ljཞօ႑ ࡽ੗ᅜ๑NCOምཞօLjምཞօ‫ڦ‬ഐ๔้क़ൽਦᇀNCO‫ڦ‬၎ ᅎኵăৈ‫ړ‬ዷཞօ๑ీ࿋)स٪ഗ0x100‫ڦ‬࿋0*ྺߛ้Lj޿ ཞօᆶၳăኄ๟૶Ⴤཞօఇ๕ă ࿋2—ሞူᅃ߲ཞօஞ؋้Lj้ዓ‫ݴ‬ೕഗཞօ සࡕዷཞօ๑ీ࿋DŽस٪ഗ0x100‫ڦ‬࿋0Džࢅ้ዓ‫ݴ‬ೕഗཞ օ๑ీ࿋DŽस٪ഗ0x100‫ڦ‬࿋1)ྺߛ้Lj࿋2ሎႹ้ዓ‫ݴ‬ೕ ഗሞথ๭‫ڼڟ‬ᅃ߲ཞօஞ؋႑ࡽࢫཞօLjժࢮ୼ഄ໲ཞօ ஞ؋႑ࡽăཞօࡗ‫ࢫׯྜײ‬Ljस٪ഗ0x100‫ڦ‬࿋1ް࿋ă ‫ړ‬࿋3ྺߛ้LjසࡕFIR୳հഗୟ০๑ీLjሶഄሺᅮྺ1Ǘ ‫ړ‬࿋3ྺ‫้گ‬LjFIR୳հഗୟ০‫ڦ‬ሺᅮྺ2ă ࿋2—fS/8๼‫ं؜‬ೕ্ᆩ ࿋2ᆩᇀ্ᆩfs/8๼‫ं؜‬ೕă࿋2ᆌᇑ࿋1ದࢇ๑ᆩLjᅜ๑ీ ްຕ๼‫؜‬ఇ๕ă ࿋1—ްຕ๼‫؜‬ఇ๕๑ీ ॽ࿋1ยྺߛLj੗๑ీްຕ๼‫؜‬ఇ๕ă ࿋0—FIR୳հഗ๑ీ ॽ࿋0ยྺߛLj੗๑ీFIR୳հഗăॽ࿋0ൣ0Lj੗ॽFIR୳ հഗಖୟժۖ‫ۉ‬Ljܸٗবูࠀࡼă Rev. A | Page 55 of 88 AD6655  ຕጴ୳հഗ੦዆(स٪ഗ0x103) ሺଉሺᅮጂା้क़)स٪ഗ0x10A 0x10B) ࿋[7:4]—ԍା ࿋3—ӷ‫؏ټ‬ൽ၎࿋ and Register स٪ഗ0x10B‫ڦ‬࿋[7:0]—ሺଉሺᅮጂା้क़࿋[15:8] स٪ഗ0x10A‫ڦ‬࿋[7:0]—ሺଉሺᅮጂା้क़࿋[7:0] ‫ړ‬࿋3ྺߛ้Lj๑ᆩ؏ൽӷ‫୳ټ‬հഗ‫ڦ‬੗჋၎࿋ă ኄၵस٪ഗኵᆩᇀยዃሞF_LTࢅIGԥ‫ߛྺ݀ة‬ኮമLj႑ࡽ Ⴔᄲྼ‫׼‬ሞ‫گ‬ᇀྲۙពኵူ၌ጒༀ‫ڦ‬ፌ‫้܌‬क़LjᅜADC֑ ᄣ้ዓዜ೺)ঢ়้ዓ‫ݴ‬ೕ*ྺ‫ڇ‬࿋ă ࿋2—ೕ೷‫ݒ‬ገ ࿋2ᆩᇀ๑ీӷ‫୳ټ‬հഗ‫ڦ‬ೕ೷‫ݒ‬ገࠀీă ࿋1—ߛཚ/‫گ‬ཚ჋ስ ‫ړ‬࿋1ྺߛ้Lj๑ీӷ‫୳ټ‬հഗ‫ߛڦ‬ཚఇ๕ă‫޿ړ‬࿋ྺ‫گ‬ ้Lj๑ీ‫گ‬ཚఇ๕(ఐණ)ă ࿋0—ԍା ႑ࡽ॔੦኱ୁၯኟ੦዆(स٪ഗ0x10C) ࿋7—ԍା ࿋6—኱ୁၯኟ۳঳ ࿋0‫܁࣮ڦ‬ኵྺ1ă ‫ړ‬࿋6ྺߛ้Lj኱ୁၯኟ঳ࡕփࣷԥ߸ႎ዁႑ࡽ॔੦ఇ੷ ాLj޿ఇ੷ాԍ٪ጣമᅃْऺ໙‫ڦ؜‬኱ୁኵă ੺໏ॠ֪੦዆(स٪ഗ0x104) ࿋[5:2]—኱ୁၯኟ‫੻ټ‬ ࿋[7:4]—ԍା ࿋[3:1]—੺໏ॠ֪ఇ๕჋ስ ࿋[5:2]ᆩᇀยዃ႑ࡽ॔੦኱ୁၯኟ‫ڦ‬ೝ਩้क़ă޿4࿋ጴ੗ ยዃၯኟఇ੷‫੻ټڦ‬Ljऺ໙ࠅ๕සူǖ ࿋[3:1]ᆩᇀยዃ੺໏ॠ֪๼‫؜‬࿋‫߾ڦ‬ፕఇ๕(९՗29)ă ࿋0—੺໏ॠ֪๑ీ ࿋0ᆩᇀ๑ీ੺໏ॠ֪๼‫؜‬ᆅগă্ᆩ੺໏ॠ֪๼‫؜‬ᆅগ ࢫLjᆅগ‫ت‬ᇀߛፆੇጒༀăሞLVDSఇ๕ူLj‫ړ‬৊ႜ঍‫ٱ‬ ๼‫้؜‬Ljৈ‫ړ‬ଇ߲ཚ‫تۼڢ‬ᇀ࠲Կ(ۖ‫ۉ‬/‫ځ‬ऐ/๼‫্؜‬ᆩ)ጒ ༀLjఫ஺๼‫؜‬ᆅগ֍৊෇ߛፆੇጒༀăසࡕኻᆶᅃ߲ཚ‫ڢ‬ ‫ت‬ᇀ࠲Կ(࠲܏/‫ځ‬ऐ/๼‫্؜‬ᆩ)ጒༀLjఫ஺Lj੺໏ॠ֪๼‫؜‬ ᆅগॽዘް๼‫؜‬ऄ‫ۯ‬ཚ‫ڦڢ‬ຕ਍ă ٚۙពኵฉ၌(स٪ഗ0x105) ഄዐǖ k๟स٪ഗ0x10C‫ڦ‬࿋[5:2]‫ڦ‬4࿋੗Պ‫ײ‬ኵLjkኵ‫ڦ‬ᆶၳ‫ྷݔ‬ ྺ0዁13Ljॽkยዃྺ14ई15ᇑยዃྺ13‫ڦ‬঳ࡕ၎ཞă fCLK๟AD6655 ADC‫֑ڦ‬ᄣೕ୲)‫ڇ‬࿋ǖHz*ă ࿋1—ᆩᇀ႑ࡽୟ০‫ڦ‬኱ୁၯኟ๑ీ ॽ޿࿋ยྺߛLj੗๑኱ୁ֪ଉఇ੷‫ڦ‬๼‫؜‬঳ࡕᇑ႑ࡽୟ০ ా‫ڦ‬ຕ਍၎ेLjܸٗీၩ‫أ‬႑ࡽୟ০ా‫ڦ‬኱ୁೋᅎă ࿋[7:3]—ԍା ࿋[2:0]—ٚۙពኵฉ၌ ኄၵ࿋ᆩᇀยዃ‫݀ة‬ٚۙពኵฉ၌ኸ๖໯Ⴔ‫ۉڦ‬ೝ(९՗ 25)ă ྲۙពኵฉ၌(स٪ഗ0x106ࢅस٪ഗ0x107) स٪ഗ0x107‫ڦ‬࿋[7:5]—ԍା स٪ഗ0x107‫ڦ‬࿋[4:0]—ྲۙពኵฉ၌࿋[12:8] स٪ഗ0x106‫ڦ‬࿋[7:0]—ྲۙពኵฉ၌࿋[7:0] ኄၵस٪ഗ༵ࠃକᅃ߲ྲۙពኵฉ၌ă13࿋‫ڦ‬ពኵॽᇑ ADCఇ੷‫ڦ‬13࿋‫܈ޗ‬ኵ৊ႜԲডăසADC‫܈ޗ‬ኵ‫ٷ‬ᇀ޿ព ኵLjሶF_UTኸ๖࿋ԥዃ࿋ă ྲۙពኵူ၌(स٪ഗ0x108ࢅस٪ഗ0x109) ࿋0—ᆩᇀ႑ࡽ॔੦‫ڦ‬኱ୁၯኟ๑ీ ޿࿋ᆩᇀ๑ీ႑ࡽ॔੦ఇ੷‫ڦ‬኱ୁၯኟࠀీă኱ୁၯኟࠀ ీ๟ᅃ߲ೝ਩ࡧຕLj႑ࡽ॔੦੗ᅜ૧ᆩ޿ၯኟࠀీၩ‫أ‬႑ ࡽዐ‫ڦ‬኱ୁೋᅎă֪ٗଉ঳ࡕዐၩ‫أ‬኱ୁೋᅎ੗ᅜ‫߸ڟڥ‬ ৛ඓ‫܁୲ࠀڦ‬ຕă ႑ ࡽ ॔ ੦ ኱ ୁ ኵ ཚ ‫ ڢ‬A) स ٪ ഗ 0x10Dࢅ स ٪ ഗ 0x10E* स٪ഗ0x10E‫ڦ‬࿋[7:6]—ԍା स٪ഗ0x10E‫ڦ‬࿋[5:0]—኱ୁኵཚ‫ڢ‬A࿋[13:8] स٪ഗ0x10D‫ڦ‬࿋[7:0]—኱ୁኵཚ‫ڢ‬A࿋[7:0] ኄၵኻ‫܁‬स٪ഗᆩᇀԍ٪႑ࡽ॔੦ऺ໙‫ڦ؜‬ཚ‫ڢ‬A‫ڦ‬മᅃ ْ኱ୁೋᅎኵă स٪ഗ0x109‫ڦ‬࿋[7:5]—ԍା स٪ഗ0x109‫ڦ‬࿋[4:0]—ྲۙពኵူ၌࿋[12:8] स٪ഗ0x108‫ڦ‬࿋[7:0]—ྲۙពኵူ၌࿋[7:0] ኄၵस٪ഗ༵ࠃକᅃ߲ྲۙពኵူ၌ă13࿋‫ڦ‬ពኵॽᇑ ADCఇ੷‫ڦ‬13࿋‫܈ޗ‬ኵ৊ႜԲডăසADC‫܈ޗ‬ኵၭᇀ޿ព ኵLjሶF_UTኸ๖࿋ԥዃ࿋ă Rev. A | Page 56 of 88 AD6655 ႑ ࡽ ॔ ੦ ኱ ୁ ኵ ཚ ‫ ڢ‬B) स ٪ ഗ 0x10Fࢅ स ٪ ഗ 0x110* ࿋0—႑ࡽ॔੦๑ీ स٪ഗ0x110‫ڦ‬࿋[7:6]—ԍା स٪ഗ0x110‫ڦ‬࿋[5:0]—኱ୁኵཚ‫ڢ‬B࿋[13:8] स٪ഗ0x10F‫ڦ‬࿋[7:0]—኱ୁኵཚ‫ڢ‬B࿋[7:0] ႑ࡽ॔੦ዜ೺](स٪ഗ0x113዁स٪ഗ0x115) ኄၵኻ‫܁‬स٪ഗᆩᇀԍ٪႑ࡽ॔੦ऺ໙‫ڦ؜‬ཚ‫ڢ‬B‫ڦ‬മᅃ ْ኱ୁೋᅎኵă ႑ࡽ॔੦SPORT੦዆)स٪ഗ0x111* ࿋7—ԍା ࿋6—਩‫ߵݛ‬/਩‫܈ޗݛ‬๼‫؜‬๑ీ ࿋6ᆩᇀ੦዆ٗSPORT๼‫؜‬20࿋਩‫ߵݛ‬ई਩‫֪ڦ܈ޗݛ‬ଉ ঳ࡕă ࿋5—‫ރ‬ኵॠ֪๼‫؜‬๑ీ ࿋5ᆩᇀ๑ీٗSPORT๼‫؜‬13࿋‫ރ‬ኵ֪ଉ঳ࡕă ॽ޿࿋ዃߛLj੗ᅜ๑ీ႑ࡽ॔੦ఇ੷ă स٪ഗ0x115‫ڦ‬࿋[7:0]—႑ࡽ॔੦ዜ೺[23:16] स٪ഗ0x114‫ڦ‬࿋[7:0]—႑ࡽ॔੦ዜ೺[15:8] स٪ഗ0x113‫ڦ‬࿋[7:0]—႑ࡽ॔੦ዜ೺[7:0] ኄ߲24࿋ຕኵᆩᇀยዃ႑ࡽ॔੦ሏႜ‫้ڦ‬ዓዜ೺߲ຕă޿ स٪ഗ‫ڦ‬ፌၭኵྺ128้߲ዓዜ೺DŽසՊ‫ײ‬ኵၭᇀ128Ljሶ ጲ‫ۯ‬ገ࣑ྺ128Džă ႑ࡽ॔੦঳ࡕཚ‫ڢ‬A(स٪ഗ0x116዁स٪ഗ0x118) स٪ഗ0x118‫ڦ‬࿋[7:4]—ԍା स٪ഗ0x118‫ڦ‬࿋[3:0]—႑ࡽ॔੦঳ࡕཚ‫ڢ‬A[19:16] स٪ഗ0x117‫ڦ‬࿋[7:0]—႑ࡽ॔੦঳ࡕཚ‫ڢ‬A[15:8] स٪ഗ0x116‫ڦ‬࿋[7:0]—႑ࡽ॔੦঳ࡕཚ‫ڢ‬A[7:0] ኄᅃ20࿋ຕኵ‫پ‬՗႑ࡽ॔੦ఇ੷ऺ໙‫ڦ؜‬ཚ‫ڢ‬A‫୲ࠀڦ‬ ኵǗഄాඹᆯस٪ഗ0x112࿋[2:1]‫ڦ‬ยዃਦۨă ࿋4—ࡗពኵ๼‫؜‬๑ీ ࿋4ᆩᇀ๑ీٗSPORT๼‫؜‬13࿋ពኵ֪ଉ঳ࡕă ࿋[3:2]—SPORT SMI SCLK‫ݴ‬ೕ ኄၵ࿋‫ڦ‬ኵᆩᇀยዃ၎‫ܔ‬๼෇้ዓ‫ڦ‬SPORT SMI SCLK‫ݴ‬ ೕ Բ ૩ ă ස ࡕ ኵ ྺ 0x01Lj ሶ ৊ ႜ ܾ ‫ ݴ‬ೕ ) ఐ ණ * Ǘ ස ྺ 0x10Ljሶ৊ႜ຺‫ݴ‬ೕǗසྺ0x11Ljሶ৊ႜӗ‫ݴ‬ೕă ႑ ࡽ ॔ ੦ ঳ ࡕ ཚ ‫ ڢ‬B) स ٪ ഗ 0x119዁ स ٪ ഗ 0x11B* ࿋1—SPORT SMI SCLKລ௥ स٪ഗ0x11B‫ڦ‬࿋[7:4]—ԍା स٪ഗ0x11B‫ڦ‬࿋[3:0]—႑ࡽ॔੦঳ࡕཚ‫ڢ‬B[19:16] स٪ഗ0x11A‫ڦ‬࿋[7:0]—႑ࡽ॔੦঳ࡕཚ‫ڢ‬B[15:8] स٪ഗ0x119‫ڦ‬࿋[7:0]—႑ࡽ॔੦঳ࡕཚ‫ڢ‬B[7:0] ॽ޿࿋ዃ1ࢫLj‫ړ‬႑ࡽ॔੦ఇ੷࿮ຕ਍‫د‬๼้LjSMI SCLK ॽྼ‫׼‬ሞ‫ۉگ‬ೝጒༀă ኄᅃ20࿋ຕኵ‫پ‬՗႑ࡽ॔੦ఇ੷ऺ໙‫ڦ؜‬ཚ‫ڢ‬B‫୲ࠀڦ‬ ኵǗഄాඹᆯस٪ഗ0x112‫[ڦ‬2:1]‫ڦ‬ยዃਦۨă ࿋0—႑ࡽ॔੦SPORT๼‫؜‬๑ీ NCO੦዆(स٪ഗ0x11D) ‫ړ‬࿋0ዃ1้Lj੗ሎႹٗ႑ࡽ॔੦SPORT๼‫܋؜‬๼‫؜‬႑ࡽ॔ ੦ఇ੷ׂิ‫ڦ‬঳ࡕຕ਍ă ࿋[7:3]—ԍା ࿋2—NCO32၎࿋ඡ‫ۯ‬๑ీ ႑ࡽ॔੦੦዆)स٪ഗ0x112) ॽ࿋2ዃ1Lj੗๑ీNCO၎࿋ඡ‫ۯ‬ăॽ࿋2ൣ0Lj੗্ᆩNCO ၎࿋ඡ‫ۯ‬ă ࿋7—ްຕࠀ୲ऺ໙ఇ๕๑ీ ޿ఇ๕्ยIຕ਍ᇑQຕ਍‫ݴ‬՚ٗփཞ‫ڦ‬ཚ‫ڢ‬๼‫؜‬ăްຕࠀ ୲‫ऺڦ‬໙ࠅ๕සူǖ ࿋1—NCO32‫܈ޗ‬ඡ‫ۯ‬๑ీ ॽ࿋1ዃ1Lj੗๑ీNCO‫܈ޗ‬ඡ‫ۯ‬ăॽ࿋1ൣ0Lj੗্ᆩNCO ‫܈ޗ‬ඡ‫ۯ‬ă ࿋[6:4]—ԍା ࿋3—႑ࡽ॔੦਩‫ߵݛ‬/਩‫ݛ‬჋ስ ॽ࿋3ยྺ‫گ‬Lj჋ስ਩‫֪୲ࠀߵݛ‬ଉఇ๕ăॽ࿋3ยྺߛLj ჋ስ਩‫֪୲ࠀݛ‬ଉఇ๕ă ࿋[2:1]—႑ࡽ॔੦ఇ๕ ࿋2ࢅ࿋1ᆩᇀยዃ႑ࡽ॔੦ᅜࢆዖ‫ݛ‬๕ၠस٪ഗ0x116዁ 0x11Bా๼‫؜‬ຕ਍ăॽኄၵ࿋‫ڦ‬ኵยዃྺ0x00Lj੗ᅜ჋ስ ਩‫ߵݛ‬/਩‫܈ޗݛ‬๼‫؜‬Ǘยዃྺ0x01Lj੗ᅜ჋ስ‫ރ‬ኵॠ֪ഗ ๼‫؜‬Ǘยዃྺ0x10ई0x11Ljሶ੗ᅜ჋ስࡗពኵ๼‫؜‬ă Rev. A | Page 57 of 88 AD6655 ࿋0—NCO32๑ీ NCO၎ᅎ)स٪ഗ0x122ࢅस٪ഗ0x123* ‫ړ‬࿋0ዃ1้Lj32࿋NCOᅜNCOೕ୲स٪ഗాยۨ‫ڦ‬ೕ୲߾ ፕă‫ړ‬࿋0ൣ0้LjNCOԥಖୟժۖ‫ۉ‬LjᅜՍবูࠀࡼă स٪ഗ0x122‫ڦ‬࿋[7:0]—NCO၎࿋ኵ[7:0] स٪ഗ0x123‫ڦ‬࿋[7:0]—NCO၎࿋ኵ[15:8] ௅ْഔ‫ۯ‬NCOࢫईኁ๭‫ڟ‬NCO SYNC႑ࡽࢫLjNCO၎࿋ኵ स٪ഗా‫ڦ‬16࿋Պ‫ײ‬ኵॽԥሜ෇NCOఇ੷LjܸٗሎႹNCO ٗᅙኪ‫ݥڦ‬ଭ၎࿋‫ت‬ഔ‫ۯ‬ă NCOೕ୲DŽस٪ഗ0x11E዁0x121Dž स٪ഗ0x11E‫ڦ‬࿋[7:0]—NCOೕ୲ኵ[7:0] स٪ഗ0x11F‫ڦ‬࿋[7:0]—NCOೕ୲ኵ[15:8] स٪ഗ0x120‫ڦ‬࿋[7:0]—NCOೕ୲ኵ[23:16] स٪ഗ0x121‫ڦ‬࿋[7:0]—NCOೕ୲ኵ[31:24] NCO၎ᅎኵ‫ऺڦ‬໙ࠅ๕සူǖ ޿32࿋ኵᆩᇀ‫ܔ‬NCOۙၿೕ୲৊ႜՊ‫ײ‬ă Պ‫ڦײ‬ೕ୲ኵ‫ऺڦ‬໙ࠅ๕සူǖ ഄዐǖ NCO_PHASE ๟ᅃ߲ๆ৊዆ຕLj‫ڪ‬ᇀཚࡗՊ‫ײ‬ႀ෇स٪ഗ 0x122ࢅस٪ഗ0x123ా‫ڦ‬16࿋ܾ৊዆ຕă PHASE๟໯Ⴔ‫ڦ‬NCO၎࿋ኵ)‫ڇ‬࿋ǖ‫*܈‬ă ഄዐǖ NCO_FREQ๟ᅃ߲32࿋ܾ৊዆ցஓຕLj‫پ‬՗NCOೕ୲स٪ ഗă f๟໯Ⴔ‫ڦ‬ሜհೕ୲)‫ڇ‬࿋ǖHz*ă fCLK๟AD6655 ADC้ዓೕ୲)‫ڇ‬࿋ǖHz*ă Rev. A | Page 58 of 88 AD6655 ᆌᆩ႑တ! ยऺኸళ! –60 AD6655ৈႴᄲᅃ߲PCBথ‫֫ں‬ă‫ܔ‬PCBఇెĂຕጴࢅ้ዓ ఇ੷৊ႜࢇ૙‫ڦ‬ඁ᳘ࢅേ௴‫߰ݴڦ‬Lj੗ᅜइ‫ڥ‬ፌॅ‫ڦ‬Ⴀ ీă ޿ሗො႑ࡽ๟‫ޏ‬஌ሞAD6655‫ڦ‬๼‫؜‬ೕ‫ټ‬ዐLjൽਦᇀዐೕೕ ୲ᇑలઊຯ༬൶ᇘዐ႐ೕ୲ኮक़‫࠲ڦ‬ဣăAD6655ዐ٪ሞጣ և‫ݴ‬฻ᇆ‫ڦ‬fS/2႑ࡽLj൐޿ሗො႑ࡽ‫ۉڦ‬ೝཚ‫׉‬Բ้ዓೕ ୲փߛᇀ125 MSPS‫ڦ‬ၿհ‫ۉڦ‬ೝ‫گ‬ă ཮82ߴ‫؜‬କ‫ܔ‬ᇀAD6655-125‫ڦ‬fS/2ሗො‫ۉ‬ೝᇑఇె๼෇ೕ ୲ኮक़‫࠲ڦ‬ဣ཮ă‫֑ړ‬ᄣ໏୲ߛᇀ125 MSPSLjfS/2ሗො‫ۉ‬ೝ ༵ืLj൐‫ۉ‬ೝߛᇀፌֶ‫ڦ‬ၿհ)९཮83Lj޿཮ߴ‫؜‬AD6655150 fS/2‫ۉ‬ೝ*ă ߵ਍՗2ዐ໯ଚࡀ߭LjසࡕfS/2ሗො႑ࡽ‫ڦ‬ೕ୲ሞ‫ྷݔ੻ټ‬ ాLjሶሞऺ໙SNRኵ้੗ࢮ୼޿ሗො႑ࡽăߵ਍SNR‫ڦ‬ᄲ ൱Lj޿႑ࡽԥ๫ፕၿհăfS/2႑ࡽԈࡤሞSFDRࢅഄ໱ፌ‫گ‬ ࡀ߭ă –SFDR –90 –100 fS/2 SPUR –120 06709-083 –110 0 50 100 150 200 250 300 350 400 450 500 INPUT FREQUENCY (MHz) ཮82. AD6655-125 SFDRࢅfS /2ሗො‫ۉ‬ೝᇑ๼෇ೕ୲(fIN )ኮक़‫࠲ڦ‬ဣ (DRVDD = 1.8 VLjժႜCMOS๼‫؜‬ఇ๕) –60 –70 fS/2ሗො႑ࡽ AD6655‫ڦ‬๼‫؜‬ຕ਍୲ྺ֑ᄣ໏୲‫ڦ‬ᅃӷLjᅺُLjሞഗॲ‫ڦ‬ ๼‫܋؜‬ᆶ࢔ഽ‫ڦ‬fS/2 ႑ࡽăසࡕ޿fS/2ሗො႑ࡽ‫ڦ‬ೕ୲ሞ‫ټ‬ ੻‫ాྷݔ‬LjሶᆩࢽՂႷඓԍ޿fS/2႑ࡽփ᳘ࣷࢇ‫้ڟ‬ዓ‫ۉ‬ ୟईAD6655ఇె๼෇‫ۉ‬ୟాăසࡕf S /2႑ࡽᅙঢ়݀ิ᳘ ࢇLjሶॽሞfS/4Ă3fS/4Ă5fS/4‫ڪ‬࿋ዃዜྷᆙพ‫؜‬ሗො႑ࡽă ૩සLjሞ֑ᄣ໏୲ྺ125 MSPSĂ90 MHz‫ڇ‬ᅼఇె๼෇ᆌᆩ ዐLjॽׂิೕ୲ྺ97.5 MHz‫ڦ‬ሗො႑ࡽᅼăሞԨ૩ዐLjల ઊຯ༬൶ᇘ‫ڦ‬ዐ႐ೕ୲ྺ93.75 MHzǗ๼෇႑ࡽೕ୲90 MHz Բలઊຯ༬൶ᇘዐ႐ೕ୲‫گ‬3.75 MHză໯ᅜLjfS/2ሗො႑ࡽ ᅼ‫ڦ‬ೕ୲ྺ97.5 MHzLjԲలઊຯ༬൶ᇘዐ႐ೕ୲ߛ3.75 MHză NCOࣷ‫ܔ‬ฉຎೕ୲႑ࡽ৊ႜۙၿLj඗ࢫᆯAD6655๼‫؜‬ă –80 fS/2 SPUR –80 –90 –SFDR –100 –110 –120 06709-084 ॺᅱᆩࢽ๑ᆩଇ߲‫܀‬૬‫ڦ‬1.8 V‫ۉ‬ᇸྺAD6655ࠃ‫ۉ‬Ǘᅃ߲ᆩ ᇀఇె‫(܋‬AVDD)ࢅຕጴ‫(܋‬DVDD)Ljଷᅃ߲ᆩᇀຕጴ๼‫؜‬ ‫(܋‬DRVDD)ă‫ړ‬๑ᆩཞᅃ‫ۉ‬ᇸྺAVDDࢅDVDDࠃ‫้ۉ‬Lj ᆌཚࡗᅃ߲ཎᄟ༹‫ى‬ዩई୳հܳୁංࢅଇ߲‫܀‬૬‫ڦ‬ඁ᳘‫ۉ‬ ඹॽAVDDᇑDVDD߰૗ਸăยऺኁ੗ᅜ๑ᆩ‫߲ܠ‬փཞ‫ڦ‬ ඁ᳘‫ۉ‬ඹᅜ๢ᆩᇀߛೕࢅ‫گ‬ೕăᆌॽኄၵ‫ۉ‬ඹ‫ݣ‬ዃሞথৎ PCB෇੨‫ࢅۅ‬থৎഗॲᆅগ‫ڦ‬࿋ዃ‫ت‬Lj৑੗ీ‫ں‬໫‫ڞ܌‬၍ ‫܈׊‬ă SFDR AND fS/2 SPUR (dBFS) ‫ۉ‬ᇸᇑথ‫ॺں‬ᅱ! –70 SFDR AND fS/2 SPUR (dBFS) ሞ৊ႜဣཥपยऺࢅAD6655քਆമLjॺᅱยऺኁံຄဒူ ຎยऺኸళLjഄዐ௮ຎକ༬ۨᆅগ‫ڦ‬༬๺‫ۉ‬ୟ૶থࢅքਆ ք၍ᄲ൱ă 0 50 100 150 200 250 300 350 400 450 500 ANALOG INPUT FREQUENCY (MHz) ཮83. AD6655-150 SFDRࢅfS /2ሗො‫ۉ‬ೝᇑ๼෇ೕ୲(fIN )ኮक़‫࠲ڦ‬ဣ (DRVDD = 1.8 VLjժႜCMOS๼‫؜‬ఇ๕) ᇑ3.3 V DRVDD‫ۉ‬უ၎ԲLj‫ړ‬ഗॲሞ1.8 V DRVDD‫ۉ‬უཉ ॲ ူ ߾ ፕ ้ Lj ׂ ิ ‫ ڦ‬f S /2ሗ ො ႑ ࡽ ড ၭ ă ଷ ྔ Lj ๑ ᆩ LVDSĂCMOS঍‫ٱ‬ईCMOS IQ๼‫؜‬ఇ๕ᄺ੗ᅜ३ၭfS/2ሗ ො႑ࡽă LVDS߾ፕ AD6655ሞฉ‫ۉ‬ኮࢫLjఐණ৊෇CMOS๼‫؜‬ఇ๕ăසࡕႴᄲ ๑ᆩLVDS߾ፕఇ๕LjႷሞႊೌฉ‫ࢫۉ‬LjཚࡗSPIದዃस٪ ഗ‫޿ܔ‬ఇ๕৊ႜՊ‫ײ‬ăසࡕ๼‫ټ܋؜‬ᆶLVDS‫܋‬থ‫ۉ‬ፆ(100 Ω)Lj‫ړ‬AD6655ฉ‫ۉ‬ժ৊෇CMOSఇ๕ኮࢫLjఫ஺Ljሞഗॲ ৊෇LVDSఇ๕ኮമLjDRVDD‫ߛࣷୁۉ‬ᇀഄ‫ۆ‬႙ኵăُ‫ܮ‬ ྔ‫ڦ‬DRVDD‫ୁۉ‬փࣷ໦࣋AD6655Ǘ‫ڍ‬ሞ੊୯ഗॲፌ‫ٷ‬ DRVDD‫้ୁۉ‬LjሶႴᄲऺ໙ኄև‫ୁۉݴ‬ă Rev. A | Page 59 of 88 AD6655 ሞฉ‫้ۉ‬LjॽOEBᆅগઙߛLj੗্ᆩAD6655‫ڦ‬๼‫܋؜‬Ljٗ ܸՆ௨ׂิ‫ڦྔܮ‬DRVDD‫ୁۉ‬ă‫ړ‬ഗॲ૧ᆩSPI‫܋‬੨৊෇ LVDSఇ๕ኮࢫLj੗ॽOEBᆅগઙ‫گ‬Ljᅜ๑ీ๼‫܋؜‬ă CML ஋୞ࡰಎොඤ੷ॺᅱ! AD6655ᄲ൱ॽᅃ10 kΩ‫ۉ‬ፆዃᇀRBIASᆅগᇑ‫ں‬ኮक़ă޿ ‫ۉ‬ፆ੗ᆩઠยዃADCాࢃ‫ڦ‬ዷएጚ‫ୁۉ‬Lj޿‫ۉ‬ፆඹֶ዁ณ ྺ1%ă ྺइ‫ڥ‬ፌॅ‫ۉڦ‬ഘႠీࢅඤႠీLjՂႷॽADC‫ڹ‬և‫ڦ‬஋୞ ࡰಎ૶থ዁ఇె‫(ں‬AGND)ăPCBฉ‫૶ڦ‬ჄĂ஋୞‫)ڦ‬࿮ፆ ࡰ֫*ཟೝ௬ᆌᇑAD6655‫ڦ‬஋୞ࡰಎᆅগ0೅ದă CMLᆅগᆌཚࡗᅃ߲0.1 μF‫ۉ‬ඹඁ᳘዁‫)ں‬९཮48*ă RBIAS एጚ‫ۉ‬უඁ᳘! ཟೝ௬ฉᆌᆶ‫߲ܠ‬ཚ੥LjᅜՍइ‫ڥ‬৑੗ీ‫ڦگ‬ඤፆୟ০ᅜ ཚࡗPCB‫ڹ‬և৊ႜොඤăᆌ֑ᆩਨᇹ࣍ᄟࣅ࿿ઠག؊ई‫܂‬ ෗ኄၵཚ੥ă VREFᆅগᆌཚࡗྔևᅃ߲‫گ‬ESR 0.1 μF༩ٍ‫ۉ‬ඹࢅᅃ߲‫گ‬ ESR 1.0 μF‫ۉ‬ඹ‫ڦ‬ժ૴ඁ᳘዁‫ں‬ă ྺକፌ‫ํںࣅٷ‬၄ADCᇑPCBኮक़‫߃ޮڦ‬ᇑ૶থLjᆌሞ PCBฉޮ߃ᅃ߲ີᆇ֫LjᅜՍॽPCBฉ‫૶ڦ‬Ⴤೝ௬ࣄ‫ྺݴ‬ ‫߲ܠ‬਩‫ڦڪ‬և‫ݴ‬ăኄᄣLjሞ࣮ୁࡰࡗ‫ײ‬ዐLj੗ྺADCᇑ PCBኮक़༵ࠃ‫૶߲ܠ‬থ‫ۅ‬ăܸᅃ߲૶Ⴤ‫ڦ‬Ă࿮‫ڦߪݴ‬ೝ௬ ሶ੗ᅜԍኤሞADCᇑPCBኮक़ৈᆶᅃ߲૶থ‫ۅ‬ă੗ᅜ֖ ੊ೠࠚӱፕྺPCBքਆք၍‫ݔ‬૩ăසႴକ঴߸‫࠲ܠ‬ᇀ‫ހ‬ ጎ ࢅ ႊ ೌ प ‫ ހ‬ጎ PCBք ਆ ք ၍ ‫ ڦ‬႑ တ Lj ൩ ‫ ݡ‬࿚ www.analog.comLjֱለᆌᆩ๮֩AN-772ǖLFCSP‫ހ‬ጎยऺ ᇑ዆ሰኸళă ‫ړ‬Ⴔᄲገ࣑ഗ؊‫ࣩ݀ݴ‬ഄඇ‫ۯ‬ༀႠీ้Ljᆌ্ᆩSPI‫܋‬ ੨ăᆯᇀ႑ࡽSCLKĂCSBࢅSDIOཚ‫׉‬ᇑADC้ዓᅴօLj ᅺُLjኄၵ႑ࡽዐ‫ڦ‬ሯำ੗ీই‫گ‬ገ࣑ഗ‫ڦ‬Ⴀీăසࡕӱ ฉ SPIጺ ၍ ࣏ ᆩ ᇀ ഄ ໲ ഗ ॲ Lj ሶ ੗ ీ Ⴔ ᄲ ሞ ޿ ጺ ၍ ᇑ AD6655ኮक़૶থᅃ߲࣐؋ഗLjᅜՍԍኤኄၵ႑ࡽሞ࠲॰‫ڦ‬ ֑ᄣዜ೺ాLjሞገ࣑ഗ๼෇‫܋‬փ݀ิՎࣅă SPI‫܋‬੨ Rev. A | Page 60 of 88 AD6655  ೠࠚӱ ཚࡗᅎ‫أ‬L1ĂL3ĂL4ĂL13Lj੗ᅜ܏ਸਸ࠲‫ۉ‬ᇸࢅ࿘უ ഗǗሶೠࠚӱ੗ᆯྔև‫ۉ‬ᇸࠃ‫ۉ‬ăኄᄣLjᆩࢽ੗ᅜ‫ྺ܀ڇ‬ ೠࠚӱ‫߲߳ڦ‬և‫ࠃ༵ݴ‬๢‫ڦړ‬ೋዃ‫ۉ‬უăཚࡗP3ࢅP4Lj੗ ྺ௅߲և‫૶ݴ‬থᅃ߲‫܀‬૬‫ۉڦ‬ᇸă዁ณႴᄲྺAVDDࢅ DVDD༵ࠃᅃ߲1 A 1.8 V‫ۉ‬ᇸǗॺᅱ๑ᆩ‫ڦ܀ڇ‬1.8 V዁3.3 V‫ۉ‬ᇸྺDRVDDࠃ‫ۉ‬ăሞೠࠚӱฉ๑ᆩAD8352LjႴᄲྺ ೠࠚӱ༵ࠃᅃ߲‫܀‬૬‫ڦ‬1 AĂ5.0 V‫ۉ‬ᇸ(AMP VDD)ăሞೠ ࠚӱฉ๑ᆩଷྔ‫ڦ‬SPI჋ၜLj‫أ‬ഄ໲‫ۉ‬ᇸྔLj࣏Ⴔᄲྺೠ ࠚӱ༵ࠃᅃ߲‫܀‬૬‫ڦ‬3.3 Vఇె‫ۉ‬ᇸ(VS)ă3.3 V‫ۉ‬ᇸ(VS)‫ڦ‬ ‫ీୁۉ‬૰ᆌྺ1 AăසᆶՂᄲLjᆩࢽ੗ᅜ૧ᆩࡰথཌ၍SJ35 ઠ‫ݴ‬૗AVDDࢅDVDDă AD6655ೠࠚӱ༵ࠃକሞ߳ዖఇ๕ࢅದዃူሏႜADC໯Ⴔ ‫ڦ‬ඇևኧ‫ۉ׼‬ୟăገ࣑ഗ़੗ᅜཚࡗມә୿ದዃ)ఐණ*ֶ ‫ݴ‬ൻ‫ۯ‬Ljᄺ੗ᅜཚࡗAD8352ֶ‫ݴ‬ൻ‫ۯ‬ഗઠൻ‫ۯ‬ăُྔLj ADC࣏੗ሞ‫܋ڇ‬ఇ๕ူൻ‫ۯ‬ă‫܀‬૬‫ۉڦ‬ᇸᆅগᆩᇀॽDUT ᇑAD8352ൻ‫ۉۯ‬ୟ߰૗ăཚࡗ૶থփཞ‫ڦ‬ᇮॲLj੗ᅜ჋ስ ߲߳๼෇ದዃ(९཮85዁཮94)ă཮84၂๖‫ڦ‬๟‫ۆ‬႙‫ڦ‬ೝ໼ ༬ႠยዃLj੗ᆩᇀೠࠚAD6655‫ڦ‬঍ୁႠీă ྺํ၄ገ࣑ഗ‫ڦ‬ፌॅႠీLjႷԍኤఇె๼෇ࢅ้ዓ‫ڦ‬႑ࡽ ᇸ‫ڦ‬၎࿋ሯำट‫