AD7266BCPZ-REEL7

 ֶ‫ݴ‬/‫܋ڇ‬๼෇Ăມࢃ2 MSPSĂ 12࿋Ă3ཚ‫ڢ‬SAR ADC AD7266 ༬Ⴀ ࠀీ઀཮ ມࢃ12࿋Ă3ཚ‫ڢ‬ADC REF SELECT DCAPA AVDD DVDD ཾུ໏୲ǖ2 MSPS REF ‫ۉۨܮ‬უ(VDD)ǖ2.7 V዁5.25 V AD7266 VA1 9 mW(1.5 MSPSLj3 V‫ۉ‬ᇸ) VA2 27 mW(2 MSPSLj5 V‫ۉ‬ᇸ) VA3 ᆅগ੗ದዃఇె๼෇ 12ཚ‫܋ڇڢ‬๼෇ VA4 MUX T/H 12-BIT SUCCESSIVE APPROXIMATION ADC OUTPUT DRIVERS VA5 SCLK CS RANGE SGL/DIFF A0 A1 A2 VA6 6ཚ‫ڢ‬ඇֶ‫ݴ‬๼෇ CONTROL LOGIC 6ཚ‫ڢ‬࿁ֶ‫ݴ‬๼෇ ႑ሯԲ(SNR)ǖ70 dB(50 kHz๼෇ೕ୲) ! ৛ඓೌాएጚ‫ۉ‬უǖፌ‫ٷ‬2.5 V ± 0.2%(25°CLjፌ‫ٷ‬20 ppm/°C) VB1 VB2 ມୟገ࣑Lj‫܁‬ൽ໏‫܈‬ǖ437.5 nsLj32 MHz SCLK VB3 ߛ໏‫ز‬ႜথ੨ VB4 SPI®-/QSPI™-/MICROWIRE™-/DSP-ग़ඹ ߾ፕ࿒‫ྷݔ܈‬ǖ−40°C዁+125°C VDRIVE MUX T/H VB5 AGND AGND AGND DCAPB 1 MSPSӲԨǖAD7265 ገ࣑ࡗ‫ࢅײ‬ຕ਍֑णࡗ‫ײ‬਩֑ᆩՔጚ੦዆๼෇Lj੗ᇑྲ‫ت‬ ૙ഗईDSPൟ຿থ੨ă๼෇႑ࡽሞCS‫ူڦ‬ইᄂ৊ႜ֑ᄣLj ཞ้ሞُ‫ت‬ਸ๔ገ࣑ăገ้࣑क़ᆯSCLKೕ୲ਦۨă޿ഗॲ ࿮ୁ຤၍ჽ‫׿‬ă AD7266֑ᆩံ৊‫ڦ‬ยऺरຍLj੗ሞߛཾུ໏୲‫ڦ‬൧઄ူํ ၄ट‫ࡼࠀڦگ‬ăሞ߾ፕ‫ۉ‬უྺ5 VLjཾུ໏୲‫ٳ‬2 MSPS‫ڦ‬൧ ઄ူLj޿ഗॲၩࡼፌ‫ٷ‬ৈྺ6.2 mA‫ୁۉ‬ăᅺྺ‫ৢڦگג‬ༀ‫ۉ‬ ୁLj޿ഗॲሞኟ‫׉‬ఇ๕้࣏ਏᆶଳऄ‫ུཾڦ‬໏୲ࢅ‫ۉ‬ᇸ࠶ ૙ీ૰ă OUTPUT DRIVERS DOUTB BUF 32ᆅগLFCSPࢅ32ᆅগTQFP‫ހ‬ጎ AD7266 1 ๟ ᅃ ੼ 12࿋ ມ ࢃ ߛ ໏ Ă ‫ ڦ ࡼ ࠀ گ‬ደ ْ ԰ ৎ ႙ ADCLj֑ᆩ2.7 V዁5.25 V‫ۉڇ‬ᇸࠃ‫ۉ‬Ljፌߛཾུ໏୲੗‫ٳ‬2 MSPSăኄ੼ഗॲాዃଇ߲ADCLjଇኁኮമ਩ದᆶᅃ߲3ཚ ‫ܠڢ‬ୟްᆩഗࢅᅃ߲ీࠕ‫ت‬૙30 MHzᅜฉ๼෇ೕ୲‫گڦ‬ሯĂ ੻‫֑੻ټ‬ᄣԍ‫ٷݣ׼‬ഗă 12-BIT SUCCESSIVE APPROXIMATION ADC VB6 ࠲܏ఇ๕ǖፌ‫ٷ‬1 μA ߁ຎ DOUTA DGND DGND 04603-001 ࠀࡼ BUF ཮1 AD7266༵ࠃ32ᆅগLFCSPࢅ32ᆅগTQFPଇዖ‫ހ‬ጎă ׂ೗਋ঋ 1. ! ଇ߲ྜኝ‫ڦ‬ADCLjሎႹଇ߲ཚ‫ڢ‬ཞօ֑ᄣࢅገ࣑ă ཚࡗՊ‫ײ‬Lj௅߲ADC਩੗ยዃྺෙୟྜඇֶ‫ݴ‬/࿁ֶ ‫ܔݴ‬ईୃୟ‫܋ڇ‬๼෇ăଇ߲ཚ‫ڦڢ‬ገ࣑঳ࡕ੗ཚࡗ‫܀‬ ૬‫ڦ‬ຕ਍၍ཞ้इ‫ڥ‬Ljසࡕኻᆶᅃ߲‫ز‬ႜ‫܋‬੨੗ᆩLj ሶገ࣑঳ࡕ੗ཚࡗᅃཉຕ਍၍ံࢫइ‫ڥ‬ă 2. ߛཾུ໏୲Ă‫ࡼࠀگ‬ă߾ፕ‫ۉ‬უྺ3 V้LjAD7266༵ࠃ 1.5 MSPS‫ུཾڦ‬໏୲Ljፌ‫ྺࡼࠀٷ‬11.4 mWă 3. AD7266༵ࠃՔጚ0 V዁VREFࢅ2 × VREFଇዖ๼෇‫ྷݔ‬ă 4. ! ࿮ୁ຤၍ჽ‫׿‬ă ޿ഗॲ֑ᆩଇ߲Քጚደْ԰ৎ႙ADCLjཚࡗCS๼෇ࢅ ᅃْႠገ࣑੦዆ీࠕ৛ඓ੦዆֑ᄣ้क़ă 1๴ெࡔጆ૧‫ڼ‬6,681,332ࡽԍࢺă ఇె๼෇‫ྷݔ‬੗჋ስ0 V዁VREF(ई2 × VREF)‫ྷݔ‬Lj๼‫؜‬Պஓ ੗֑ᆩ኱থܾ৊዆ईܾ৊዆ցஓăAD7266ᆛᆶ2.5 V‫ాೌڦ‬ एጚ‫ۉ‬უLjᄺ੗჋ᆩྔևएጚ‫ۉ‬უăྔևएጚ‫ۉ‬უ‫ྺྷݔ‬ 100 mV዁VDDă 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 ©2006 Analog Devices, Inc. All rights reserved. ADIዐ࿔Ӳຕ਍๮֩๟ᆈ࿔Ӳຕ਍๮֩‫ڦ‬ᅳ࿔Lj৤൩ଌ঴‫݋‬ᅳዐ੗ీ٪ሞ‫ڦ‬ᇕჾፇኯई‫݋‬ᅳ‫ٱ‬ဃLjADIփ‫݋ܔ‬ᅳዐ٪ሞ‫ֶڦ‬ᅴईᆯׂُิ‫ٱڦ‬ဃ޶ሴăසႴඓණඪࢆَᇕ‫ڦ‬ጚඓႠLj൩֖੊ADI༵ࠃ ‫ڦ‬ፌႎᆈ࿔Ӳຕ਍๮֩ă AD7266  ణ୤ ༬Ⴀ ................................................................................................... 1 ! ߁ຎ ................................................................................................... 1 ߾ፕఇ๕ ........................................................................................ 19 ࠀీ઀཮ ........................................................................................... 1 ! ኟ‫׉‬ఇ๕ ................................................................................ 19 ׂ೗਋ঋ ........................................................................................... 1 ! և‫ۉูݴ‬ఇ๕ ....................................................................... 19 Ⴊ۩૦๏ ........................................................................................... 2 ! ඇู‫ۉ‬ఇ๕ ............................................................................ 20 रຍࡀ߭ ........................................................................................... 3 ! ฉ‫้ۉ‬क़ ................................................................................ 21 ! ! ࠀࡼᇑཾུ໏୲ ................................................................... 21 ้Ⴞࡀ߭ .................................................................................. 5 VDRIVE ....................................................................................... 18 ਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵ ............................................................................. 6 ‫ز‬ႜথ੨ ........................................................................................ 22 ESDয়ߢ ................................................................................... 6 ྲ‫ت‬૙ഗথ੨ ................................................................................ 23 ᆅগದዃࢅࠀీ௮ຎ ..................................................................... 7 ! AD7266থ੨ADSP-218x ..................................................... 23 ‫ۆ‬႙߾ፕ༬Ⴀ .................................................................................. 9 ! AD7266থ੨ADSP-BF53x ................................................... 24 ຍᇕ ................................................................................................. 11 ! AD7266থ੨TMS320C541 .................................................. 24 ߾ፕᇱ૙ ........................................................................................ 13 ! AD7266থ੨DSP563xx ........................................................ 25 ‫ۉ‬ୟ႑တ ................................................................................ 13 ᆌᆩႷኪ ........................................................................................ 26 ! ገ࣑ഗ֡ፕ ............................................................................ 13 ! থ‫ࢅں‬քਆ ............................................................................ 26 ! ఇె๼෇঳ࠓ ....................................................................... 13 ! LFCSPӲԨPCBยऺኸళ ................................................... 26 ! ఇె๼෇ ................................................................................ 14 ! AD7266Ⴀీೠࠚ ................................................................. 26 ఇె๼෇჋ስ ....................................................................... 17 ྔႚ؅٫ ........................................................................................ 27 ! ๼‫؜‬Պஓ ................................................................................ 17 ! ! ‫ࡧڿد‬ຕ ................................................................................ 18 ! ຕጴ๼෇ ................................................................................ 18 ۩ࠔኸళ ................................................................................ 27 Ⴊ۩૦๏ 2006౎11ሆ—Ⴊ۩Ӳ0዁Ⴊ۩ӲA Ⴊ߀߭๕ .................................................................................... ཚᆩ 2005౎4ሆ—Ⴊ۩Ӳ0ǖ‫؛‬๔Ӳ Ⴊ߀एጚ๼෇/๼‫؜‬և‫ ݴ‬............................................................... 4 Ⴊ߀՗4 ............................................................................................. 7 Ⴊ߀ຍᇕև‫ ݴ‬................................................................................ 11 Ⴊ߀཮24ࢅֶ‫ݴ‬ఇ๕և‫ ݴ‬.......................................................... 15 Ⴊ߀཮29 ......................................................................................... 16 Ⴊ߀཮39 ......................................................................................... 21 Ⴊ߀AD7265থ੨ADSP-BF53xև‫ ݴ‬.......................................... 24 ߸ႎྔႚ؅٫ ................................................................................ 27 Ⴊ߀۩ࠔኸళ ................................................................................ 27 Rev. A | Page 2 of 28 AD7266  रຍࡀ߭ ‫ݥأ‬ଷᆶຫ௽LjTA = TMIN዁TMAXLjVDD = 2.7 V዁3.6 VLjfSCLK = 24 MHzLjfS = 1.5 MSPSLjVDRIVE = 2.7 V዁3.6 VǗVDD = 4.75 V዁ 5.25 VLjfSCLK = 32 MHzLjfS = 2 MSPSLjVDRIVE = 2.7 V዁5.25 VǗ֑ᆩాևएጚ‫ۉ‬უई2.5 V ± 1%ྔևएጚ‫ۉ‬უ1ă ՗1 ֖ຕ ‫ۯ‬ༀႠీ ࡀ߭ ‫ڇ‬࿋ ֪๬ཉॲ/ጀ๥ ႑ሯԲ(SNR)2 71 69 dBLjፌၭኵ dBLjፌၭኵ fIN = 50 kHzኟ၀հǗֶ‫ݴ‬ఇ๕ fIN = 50 kHzኟ၀հǗ‫ࢅ܋ڇ‬࿁ֶ‫ݴ‬ఇ๕ ႑భԲ(SINAD)2 70 68 dBLjፌၭኵ dBLjፌၭኵ fIN = 50 kHzኟ၀հǗֶ‫ݴ‬ఇ๕ fIN = 50 kHzኟ၀հǗ‫ࢅ܋ڇ‬࿁ֶ‫ݴ‬ఇ๕ ጺၿհ฿ኈ(THD)2 –77 –73 dBLjፌ‫ٷ‬ኵ dBLjፌ‫ٷ‬ኵ fIN = 50 kHzኟ၀հǗֶ‫ݴ‬ఇ๕ fIN = 50 kHzኟ၀հǗ‫ࢅ܋ڇ‬࿁ֶ‫ݴ‬ఇ๕ –75 dBLjፌ‫ٷ‬ኵ fIN = 50 kHzኟ၀հ fa = 30 kHz, fb = 50 kHz –88 –88 –88 dBLj‫ۆ‬႙ኵ dBLj‫ۆ‬႙ኵ dBLj‫ۆ‬႙ኵ 11 50 200 33/26 3.5/3 nsLjፌ‫ٷ‬ኵ psLj‫ۆ‬႙ኵ psLjፌ‫ٷ‬ኵ MHzLj‫ۆ‬႙ኵ MHzLj‫ۆ‬႙ኵ @ 3 dB, VDD = 5 V/VDD = 3 V @ 0.1 dB, VDD = 5 V/VDD = 3 V 12 ±1 ±1.5 ࿋ LSBLjፌ‫ٷ‬ኵ LSBLjፌ‫ٷ‬ኵ ‫ۆ‬႙ኵ±0.5 LSBǗֶ‫ݴ‬ఇ๕ ‫ۆ‬႙ኵ±0.5 LSBǗ‫ࢅ܋ڇ‬࿁ֶ‫ݴ‬ఇ๕ ±0.99 −0.99/+1.5 LSBLjፌ‫ٷ‬ኵ LSBLjፌ‫ٷ‬ኵ ֶ‫ݴ‬ఇ๕ ‫ࢅ܋ڇ‬࿁ֶ‫ݴ‬ఇ๕ ±7 ±2 ±2.5 ±0.5 LSBLjፌ‫ٷ‬ኵ LSBLj‫ۆ‬႙ኵ LSBLjፌ‫ٷ‬ኵ LSBLj‫ۆ‬႙ኵ ‫ۆ‬႙ኵ±2 LSB ±2 ±0.5 ±5 ±1 ±2 ±0.5 LSBLjፌ‫ٷ‬ኵ LSBLj‫ۆ‬႙ኵ LSBLjፌ‫ٷ‬ኵ LSBLj‫ۆ‬႙ኵ LSBLjፌ‫ٷ‬ኵ LSBLj‫ۆ‬႙ኵ 0 V዁VREF 0 V዁2 × VREF 0዁VREF 2 × VREF VCM ± VREF/2 VCM ± VREF V ࿮ሗො‫ۯ‬ༀ‫(ྷݔ‬SFDR)2 ঍ۙ฿ኈ(IMD)2 ܾ঩ၜ ෙ঩ၜ ཚ‫ڢ‬क़߰૗ ֑ᄣԍ‫׼‬ ੥০ჽ‫׿‬3 ੥০۶‫ۯ‬3 ੥০ჽ‫׿‬೅ದ3 ඇࠀ୲‫੻ټ‬ ኱ୁ৛‫܈‬ ‫ݴ‬Ր୲ ओ‫ݥݴ‬၍Ⴀ2 ֶ‫ݥݴ‬၍Ⴀ2, 4 ኱থܾ৊዆๼‫؜‬Պஓ ฿ۙဃֶ ฿ۙဃֶ೅ದ ሺᅮဃֶ ሺᅮဃֶ೅ದ ܾ৊዆ցஓ๼‫؜‬Պஓ ኟሺᅮဃֶ ኟሺᅮဃֶ೅ದ ଭ‫ۉ‬ೝဃֶ ଭ‫ۉ‬ೝဃֶ೅ದ ޶ሺᅮဃֶ ޶ሺᅮဃֶ೅ದ ఇె๼෇5 ‫܋ڇ‬๼෇‫ྷݔ‬ T ࿁ֶ‫ݴ‬๼෇‫ྷݔ‬ǖVIN+ − VIN−6 ඇֶ‫ݴ‬๼෇‫ྷݔ‬ǖVIN+ࢅVIN− VIN+ࢅVIN− V V V V Rev. A | Page 3 of 28 RANGEᆅগ‫ۉگ‬ೝ RANGEᆅগߛ‫ۉ‬ೝ RANGEᆅগ‫ۉگ‬ೝ RANGEᆅগߛ‫ۉ‬ೝ VCM = ࠌఇ‫ۉ‬უ7 = VREF/2 VCM = VREF AD7266 ֖ຕ ኱ୁ୑‫ୁۉ‬ ๼෇‫ۉ‬ඹ एጚ๼෇/๼‫؜‬ 8 एጚ๼‫ۉ؜‬უ ‫׊‬೺࿘ۨႠ 2 ๼‫ۉ؜‬უ‫׿‬ው एጚ๼෇‫ۉ‬უ‫ྷݔ‬ ኱ୁ୑‫ୁۉ‬ ๼෇‫ۉ‬ඹ DCAPAĂDCAPB๼‫؜‬ፆੇ एጚᇸ࿒‫܈‬ဣຕ VREFሯำ இड๼෇ ๼෇ߛ‫ۉ‬უVINH ๼෇‫ۉگ‬უVINL ๼෇‫ୁۉ‬IIN ๼෇‫ۉ‬ඹCIN3 இड๼‫؜‬ ๼‫ۉߛ؜‬უVOH ๼‫ۉگ؜‬უVOL ‫ޝ‬੣ༀ୑‫ୁۉ‬ 3 ‫ޝ‬੣ༀ๼‫ۉ؜‬ඹ ๼‫؜‬Պஓ ገ࣑໏୲ ገ้࣑क़ 3 ֑ᄣԍ‫׼‬ഗ֑ण้क़ ཾུ໏୲ ‫ۉ‬ᇸᄲ൱ VDD VDRIVE IDD ኟ‫׉‬ఇ๕(ৢༀ) ߾ፕጒༀLjfS = 2 MSPS fS = 1.5 MSPS և‫ۉูݴ‬ఇ๕ ඇู‫ۉ‬ఇ๕(VDD) ࠀࡼ ኟ‫׉‬ఇ๕(߾ፕጒༀ) և‫ৢ(ۉูݴ‬ༀ) ඇู‫ৢ(ۉ‬ༀ)  ࡀ߭ ±1 45 10 ‫ڇ‬࿋ μALjፌ‫ٷ‬ኵ pFLj‫ۆ‬႙ኵ pFLj‫ۆ‬႙ኵ 2.5 150 50 0.1/VDD ±2 25 10 20 10 20 VLjፌၭኵ/ፌ‫ٷ‬ኵ ppmLj‫ۆ‬႙ኵ ppmLj‫ۆ‬႙ኵ VLjፌၭኵ/ፌ‫ٷ‬ኵ μALjፌ‫ٷ‬ኵ pFLj‫ۆ‬႙ኵ ΩLj‫ۆ‬႙ኵ ppm/°CLjፌ‫ٷ‬ኵ ppm/°CLj‫ۆ‬႙ኵ μV rmsLj‫ۆ‬႙ኵ 2.8 0.4 ±15 5 VLjፌၭኵ VLjፌ‫ٷ‬ኵ nALj‫ۆ‬႙ኵ pFLj‫ۆ‬႙ኵ VDRIVE − 0.2 VLjፌၭኵ 0.4 VLjፌ‫ٷ‬ኵ ±1 μALjፌ‫ٷ‬ኵ 7 pFLj‫ۆ‬႙ኵ ኱থ(ጲ඗)ܾ৊዆ ܾ৊዆ցஓ ֪๬ཉॲ/ጀ๥ ֑ᄣ้ ԍ‫้׼‬ ፌ‫ٷ‬±0.2% (25°C) 1000ၭ้ ֖९‫ۆ‬႙߾ፕ༬Ⴀև‫ݴ‬ ྔևएጚ‫ۉ‬უแेᇀᆅগDCAPA/ᆅগDCAPB VIN = 0 VईVDRIVE SGL/DIFF = 1Lj჋ስ0 V዁VREF‫ྷݔ‬ SGL/DIFF = 0ǗSGL/DIFF = 1Lj჋ስ0 V዁2 × VREF‫ྷݔ‬ 14 90 110 2 SCLKዜ೺ຕ nsLjፌ‫ٷ‬ኵ nsLjፌ‫ٷ‬ኵ MSPSLjፌ‫ٷ‬ኵ 2.7/5.25 2.7/5.25 VLjፌၭኵ/ፌ‫ٷ‬ኵ VLjፌၭኵ/ፌ‫ٷ‬ኵ 2.3 6.4 4 500 1 2.8 mALjፌ‫ٷ‬ኵ mALjፌ‫ٷ‬ኵ mALjፌ‫ٷ‬ኵ μALjፌ‫ٷ‬ኵ μALjፌ‫ٷ‬ኵ μALjፌ‫ٷ‬ኵ ຕጴ๼෇ = 0 VईVDRIVE VDD = 5.25 V VDD = 5.25 VǗ‫ۆ‬႙ኵ5.7 mA VDD = 3.6 VǗ‫ۆ‬႙ኵ3.4 mA ৢༀ TA = −40°C዁+85°C TA = 85°Cᅜฉ዁125°C 33.6 2.625 5.25 mWLjፌ‫ٷ‬ኵ mWLjፌ‫ٷ‬ኵ μWLjፌ‫ٷ‬ኵ VDD = 5.25 V VDD = 5.25 V VDD = 5.25 VLjTA = −40°C዁+85°C 1 ࿒‫ྷݔ܈‬ǖ−40°C዁+125°Că ֖९ຍᇕև‫ݴ‬ă ᄣೌሞ‫ْ݀؛‬ք೺क़਩ঢ়ࡗ֪๬Ljᅜඓԍ‫ࢇޙ‬Քጚᄲ൱ă 4 ԍኤ12࿋࿮฿ஓă 5 VIN−ईVIN+ՂႷ๔ዕሞGND/VDD‫ాྷݔ‬ă 6 ኍ‫ۨܮܔ‬ႠీLjVIN− = 0 Vă࠲ᇀVIN−ᆅগ‫ྜڦ‬ኝ๼෇‫ྷݔ‬Lj൩֖९཮28ࢅ཮29ă 7 ඇࠌఇ‫֖ྷݔ‬९཮24ࢅ཮25ă 8 ᇑᆅগDCAPAईPin DCAPB၎࠲ă 2 3 Rev. A | Page 4 of 28 437.5 ns (SCLK = 32 MHz) ஢ଉ‫ײ‬঩ሂ๼෇ǗVDD = 5 V ஢ଉ‫ײ‬঩ሂ๼෇ǗVDD = 3 V AD7266  ้Ⴞࡀ߭ ‫ݥأ‬ଷᆶຫ௽LjAVDD = DVDD = 2.7 V዁5.25 VLjVDRIVE = 2.7 V዁5.25 VLjాև/ྔևएጚ‫ۉ‬უ = 2.5 VLjTA = TMAX዁TMIN1ă ՗2 ֖ຕ fSCLK 2 tCONVERT tQUIET t2 t3 t4 3 t5 t6 t7 t8 t9 t10 TMINĂTMAX้‫ڦ‬၌ኵ 1 4 32 14 × tSCLK 437.5 583.3 30 15/20 20/30 15 36 27 0.45 tSCLK 0.45 tSCLK 10 5 15 30 5 35 ‫ڇ‬࿋ MHzLjፌၭኵ MHzLjፌၭኵ MHzLjፌ‫ٷ‬ኵ nsLjፌ‫ٷ‬ኵ nsLjፌ‫ٷ‬ኵ nsLjፌ‫ٷ‬ኵ nsLjፌၭኵ nsLjፌၭኵ nsLjፌၭኵ nsLjፌ‫ٷ‬ኵ nsLjፌ‫ٷ‬ኵ nsLjፌ‫ٷ‬ኵ nsLjፌၭኵ nsLjፌၭኵ nsLjፌၭኵ nsLjፌၭኵ nsLjፌ‫ٷ‬ኵ nsLjፌၭኵ nsLjፌၭኵ nsLjፌ‫ٷ‬ኵ ௮ຎ TA = −40°C዁+85°C TA = 85°Cᅜฉ዁125°C tSCLK = 1/fSCLK fSCLK = 32 MHz, VDD = 5 V, fSAMPLE = 2 MSPS fSCLK = 24 MHz, VDD = 3 V, fSAMPLE = 1.5 MSPS ‫ز‬ႜ‫܁‬ൽ঳ຐᇑCSူᅃ߲ူইᄂኮक़‫ڦ‬ፌ‫้܌‬क़ VDD = 5 V/3 VLjCS‫ڟ‬SCLKยዃ้क़LjTA = −40°C዁+85°C VDD = 5 V/3 VLjCS‫ڟ‬SCLKยዃ้क़LjTA = 85°Cᅜฉ዁125°C ٗCS኱‫ڟ‬DOUTAࢅDOUTBෙༀ্ᆩ‫ڦ‬ჽ‫้׿‬क़ SCLKူইᄂࢫ‫ڦ‬ຕ਍‫ݡ‬࿚้क़LjVDD = 3 V SCLKူইᄂࢫ‫ڦ‬ຕ਍‫ݡ‬࿚้क़LjVDD = 5 V SCLK‫ۉگ‬ೝஞ؋੻‫܈‬ SCLKߛ‫ۉ‬ೝஞ؋੻‫܈‬ SCLK‫ڟ‬ຕ਍‫ڦ‬ᆶၳԍ‫้׼‬क़LjVDD = 3 V SCLK‫ڟ‬ຕ਍‫ڦ‬ᆶၳԍ‫้׼‬क़LjVDD = 5 V CSฉืᄂ‫ڟ‬DOUTA/DOUTBߛፆੇጒༀ CSฉืᄂ‫ူڟ‬ইᄂஞ؋੻‫܈‬ SCLKူইᄂ‫ڟ‬DOUTA/DOUTBߛፆੇጒༀ SCLKူইᄂ‫ڟ‬DOUTA/DOUTBߛፆੇጒༀ 1 ᄣೌሞ‫ْ݀؛‬ք೺क़਩ঢ়ࡗ֪๬Ljᅜඓԍ‫ࢇޙ‬Քጚᄲ൱ă໯ᆶ๼෇႑ࡽ਩ኸۨtr = tf = 5 ns(10ǁ‫ڟ‬90ǁ‫ڦ‬VDD)ժٗ1.6 V‫ۉ‬ೝഐਸ๔ऺ้ă ໯ᆶ้Ⴞࡀ߭਩๟ሞ25 pF޶ሜ‫ۉ‬ඹူ֪‫ڥ‬ăසࡕ޶ሜ‫ۉ‬ඹ‫ٷ‬ᇀُኵLjՂႷ๑ᆩຕጴ࣐؋ഗई໮٪ഗă֖९‫ز‬ႜথ੨և‫཮ࢅݴ‬41त཮42ă 2 ‫ۨܮ‬Ⴀీ၎‫ܔ‬ᇀፌၭSCLKೕ୲ܸჾǗSCLKೕ୲ড‫้گ‬LjႠీࡀ֑߭ᆩ‫ۆ‬႙ኵă 3 ๼‫ੵ؜‬ሁ0.4 Vई2.4 V໯Ⴔ‫้ڦ‬क़ă Rev. A | Page 5 of 28 AD7266  ਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵ ՗3 ֖ຕ VDD ዁AGND DVDD ዁DGND VDRIVE዁DGND VDRIVE዁AGND AVDD ዁DVDD AGND዁DGND ఇె๼෇‫ۉ‬უ዁AGND ຕጴ๼෇‫ۉ‬უ዁DGND ຕጴ๼‫ۉ؜‬უ዁GND VREF዁AGND ๼෇‫ୁۉ‬዁‫ۉأ‬ᇸྔ‫ڦ‬ඪࢆᆅগ ߾ፕ࿒‫ྷݔ܈‬ ٪‫ئ‬࿒‫ྷݔ܈‬ ঳࿒ LFCSP/TQFP θJAඤፆ θJCඤፆ ᆅগ࿒‫܈‬Ljࡰথ ࣮ୁ࿒‫(܈‬10௱዁30௱) ESD 1 ‫ۨܮ‬ኵ −0.3 V዁+7 V −0.3 V዁+7 V −0.3 V዁DVDD −0.3 V዁AVDD −0.3 V዁+0.3 V −0.3 V዁+0.3 V −0.3 V዁AVDD+ 0.3 V −0.3 V዁+7 V −0.3 V዁VDRIVE + 0.3 V −0.3 V዁AVDD+ 0.3 V 1 ጀᅪLj‫؜ג‬ฉຎਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵ੗ీࣷ‫ڞ‬ዂഗॲᆦ৳Ⴀ໦ ࣋ăኄኻ๟‫ۨܮ‬ᆌ૰ኵLjփภतഗॲሞኄၵईඪࢆഄ໲ཉ ॲူ‫؜ג‬Ԩरຍࡀ߭ኸՔ‫ీࠀڦ‬Ⴀ֡ፕă‫׊‬೺ሞਨ‫ܔ‬ፌ‫ٷ‬ ‫ۨܮ‬ኵཉॲူ߾ፕࣷᆖၚഗॲ‫ڦ‬੗੍Ⴀă ESDয়ߢ ±10 mA −40°C዁+125°C −65°C዁+150°C 150°C 108.2°C/W (LFCSP) 55°C/W (TQFP) 32.71°C/W (LFCSP) 255°C 1.5 ߛ‫ٳ‬100 mA‫ڦ‬ຨༀ‫ୁۉ‬փࣷሰ‫ׯ‬ឋ໮ă Rev. A | Page 6 of 28 ESD)ৢ‫ߌ௺*ۉݣۉ‬ഗॲă ‫ۉټ‬ഗॲࢅ‫ۉ‬ୟӱ੗ీࣷሞுᆶִਥ‫ڦ‬൧઄ူ‫ۉݣ‬ă ৑࠶Ԩׂ೗ਏᆶጆ૧ईጆᆶԍࢺ‫ۉ‬ୟLj‫ڍ‬ሞᇜ‫ీߛڟ‬ ଉESD้Ljഗॲ੗ీࣷ໦࣋ă ᅺُLjᆌ‫֑ړ‬ൽ๢‫ڦړ‬ESD‫ٯݔݞ‬แLjᅜՆ௨ഗॲႠీ ူইईࠀీෟ฿ă AD7266  DOUTB A0 CS SCLK AD7266 TOP VIEW (Not to Scale) A1 23 A2 22 SGL/DIFF 21 RANGE 20 DCAP B AGND 6 19 AGND VA1 7 18 VB1 VA2 8 17 VB2 VB3 VB4 12 13 14 15 16 VB5 10 11 VB6 9 VA6 AGND 5 ཮2.ᆅগದዃ(CP-32-2) 24 04603-041 AVDD 3 DCAP A 4 VA3 VA3 VA4 VA5 VA6 VB6 VB5 VB4 VB3 PIN 1 REF SELECT 2 VA5 TOP VIEW (Not to Scale) DGND 1 A1 A2 SGL/DIFF RANGE DCAPB AGND VB1 VB2 VA4 AD7266 24 23 22 21 20 19 18 17 DGND DVDD DOUTA DVDD VDRIVE DOUTA DGND DOUTB SCLK CS A0 32 31 30 29 28 27 26 25 PIN 1 INDICATOR 04603-002 1 2 3 4 5 6 7 8 32 31 30 29 28 27 26 25 9 10 11 12 13 14 15 16 DGND REF SELECT AVDD DCAPA AGND AGND VA1 VA2 VDRIVE ᆅগದዃࢅࠀీ௮ຎ ཮2.ᆅগದዃ(CP-32-2) ՗4. ᆅগࠀీ௮ຎ ᆅগՊࡽ 1, 29 ᆅগఁ‫׬‬ DGND ௮ຎ ຕጴ‫ں‬ăኄ๟AD7266ฉ໯ᆶຕጴ‫ۉ‬ୟ‫ڦ‬থ‫ں‬एጚ‫ۅ‬ăଇ߲DGNDᆅগ਩ᆌ૶থ‫ڟ‬ဣཥ‫ڦ‬DGNDೝ௬ăDGND ࢅAGND‫ۉ‬უሞ૙ၙ൧઄ူᆌԍ‫ۉڪ׼‬࿋Ljժ൐‫ۉ‬࿋ֶ(ฯ዁ሞຨༀ‫ۉ‬უ٪ሞ൧઄้)փ‫ࡗגڥ‬0.3 Vă 2 REF SELECT ాև/ྔևएጚ‫ۉ‬უ჋ስăஇड๼෇ăසࡕُᆅগ૶‫ڟ‬DGNDLjሶADC AࢅADC B਩๑ᆩೌా2.5 Vएጚ‫ۉ‬უፕ ྺएጚᇸăُྔLjᆅগDCAPAࢅDCAPBՂႷ૶‫ڟ‬ඁ᳘‫ۉ‬ඹăසࡕREF SELECTᆅগ૶‫ڟ‬இडߛ‫ۉ‬ೝLjሶ੗ཚࡗDCAPA ࢅ/ईDCAPBᆅগၠAD7266༵ࠃྔևएጚ‫ۉ‬უă 3 AVDD ఇె‫ۉ‬ᇸ‫ۉ‬უLj2.7 V዁5.25 Văኄ๟AD7266໯ᆶఇె‫ۉ‬ୟ‫ྸڦ‬ᅃ‫ۉ‬ᇸ‫ۉ‬უăAVDDࢅDVDD‫ۉ‬უሞ૙ၙ൧઄ူ ᆌԍ‫ۉڪ׼‬࿋Ljժ൐‫ۉ‬࿋ֶ(ฯ዁ሞຨༀ‫ۉ‬უ٪ሞ൧઄้)փ‫ࡗגڥ‬0.3 Văᆌॽُ‫ۉ‬ᇸඁ᳘዁AGNDă 4, 20 DCAPA, DCAPB ඁ᳘‫ۉ‬ඹᆅগăඁ᳘‫ۉ‬ඹ)ॺᅱኵ470 nF*૶থ‫ڟ‬ኄၵᆅগLjᅜՍ‫ܔ‬၎ᆌADC‫ڦ‬एጚ‫ۉ‬უᇸ࣐؋৊ႜඁ᳘ăස ࡕ‫ܔ‬๼‫؜‬৊ႜ࣐؋Ljሶೌాएጚ‫ۉ‬უ੗ᅜٗኄၵᆅগइ‫ڥ‬Ljժྔेᇀဣཥ‫ڦ‬ഄᇆև‫ݴ‬ăྔևएጚ‫ۉ‬უ‫ݔڦ‬ ྷൽਦᇀ໯჋‫ڦ‬ఇె๼෇‫ྷݔ‬ă 5, 6, 19 AGND ఇె‫ں‬ăAD7266ฉ໯ᆶఇె‫ۉ‬ୟ‫ڦ‬থ‫ں‬एጚ‫ۅ‬ă໯ᆶఇె๼෇႑ࡽࢅඪࢆྔևएጚ႑ࡽ‫ۼ‬ᆌ֖੊ُAGND ‫ۉ‬უă໯ᆶ3߲AGNDᆅগ‫ۼ‬ᆌ૶‫ڟ‬ဣཥ‫ڦ‬AGNDೝ௬ăAGNDࢅDGND‫ۉ‬უሞ૙ၙ൧઄ူᆌԍ‫ۉڪ׼‬࿋Ljժ ൐‫ۉ‬࿋ֶ)ฯ዁ሞຨༀ‫ۉ‬უ٪ሞ൧઄้*փ‫ࡗגڥ‬0.3 Vă 7዁12 VA1 ዁ VA6 ADC A‫ڦ‬ఇె๼෇ăኄၵᆅগ੗ದዃྺୃ߲‫܋ڇ‬ཚ‫ڢ‬ईෙ‫ܔ‬ኈֶ‫ݴ‬ఇె๼෇ཚ‫ڢ‬ă֖९՗6ă 13዁18 VB1 ዁ VB6 ADC B‫ڦ‬ఇె๼෇ăኄၵᆅগ੗ದዃྺୃ߲‫܋ڇ‬ཚ‫ڢ‬ईෙ‫ܔ‬ኈֶ‫ݴ‬ఇె๼෇ཚ‫ڢ‬ă֖९՗6ă 21 RANGE 22 SGL/DIFF ఇె๼෇‫ྷݔ‬჋ስăஇड๼෇ăُᆅগ‫ڦ‬टႠਦۨఇె๼෇ཚ‫ڦڢ‬๼෇‫ྷݔ‬ăසࡕُᆅগᇑஇड‫ۉگ‬ೝ၎ ૶Ljሶఇె๼෇‫ྺྷݔ‬0 V዁VREFă‫ ړ‬Վྺ‫ۉگ‬ೝ้Ljසࡕُᆅগᇑஇडߛ‫ۉ‬ೝ၎૶Ljሶఇె๼෇‫ྺྷݔ‬2 × VREFă ၘ൧֖९ఇె๼෇჋ስև‫ݴ‬ă இड๼෇ăُᆅগᆩᇀ჋ስఇె๼෇๟ದዃྺֶ‫࣏ܔݴ‬๟ದዃྺ‫܋ڇ‬ăஇड‫ۉگ‬ೝ჋ስֶ‫߾ݴ‬ፕLjஇडߛ ‫ۉ‬ೝ჋ስ‫߾܋ڇ‬ፕăၘ൧֖९ఇె๼෇჋ስև‫ݴ‬ă 23዁25 A0 to A2 ‫ܠ‬ୟްᆩഗ჋ስăஇड๼෇ăኄၵ๼෇ᆩᇀ჋ስႴᄲཞօገ࣑‫ڦ‬ཚ‫ܔڢ‬Lj૩සADC AࢅADC Bܾኁ‫ڦ‬ཚ‫ڢ‬1Ă ADC AࢅADC Bܾኁ‫ڦ‬ཚ‫ڢ‬2‫ڪڪ‬ă໯჋‫ڦ‬ཚ‫ܔڢ‬੗ᅜ๟ଇ߲‫܋ڇ‬ཚ‫ڢ‬ईଇֶ߲‫ܔݴ‬ăྺକኟඓยዃ‫ܠ‬ୟްᆩ ഗᅜᆩᇀገ࣑LjႴᄲሞ֑ण้क़ࢅໜࢫ‫ ڦ‬CS ူইᄂኮമยዃኄၵᆅগ‫ڦ‬இडጒༀă߸‫ܠ‬႑တ֖९ఇె๼෇ ჋ስև‫ݴ‬Lj‫ܠ‬ୟްᆩഗ‫ں‬኷঴ஓ֖९՗6ă 26 CS ೌ჋ă‫ۉگ‬ೝᆶၳஇड๼෇ăُ๼෇༵ࠃଇ߲ࠀీǖഔ‫ۯ‬AD7266‫ڦ‬ገ࣑ࢅ๑ీ‫ز‬ႜຕ਍ኡ‫د‬๼ă 27 SCLK ‫ز‬ႜ้ዓăஇड๼෇ă‫ز‬ႜ้ዓ๼෇༵ࠃᆩᇀ‫ݡ‬࿚AD7266ዐ‫ڦ‬ຕ਍‫ڦ‬SCLKăُ้ዓᄺᆩፕገ࣑ࡗ‫้ڦײ‬ ዓᇸă Rev. A | Page 7 of 28 AD7266 ᆅগՊࡽ ᆅগఁ‫׬‬ 28, 30 DOUTA, ௮ຎ ‫ز‬ႜຕ਍๼‫؜‬ăຕ਍๼‫؜‬ᅜ‫ز‬ႜຕ਍ୁႚ๕༵ࠃߴ߳ᆅগă߳࿋ሞSCLK๼෇‫ူڦ‬ইᄂደ߲๼‫؜‬Lj‫ݡ‬࿚ຕ਍ Ⴔᄲ14߲SCLKዜ೺ă DOUTB ଇ߲ADCཞօገ้࣑Ljຕ਍ཞ้‫؜‬၄ሞଇ߲ᆅগฉăຕ਍ୁԈઔଇ߲മ‫ڞ‬ଭLjໜࢫ๟12࿋ገ࣑ຕ਍ăຕ਍ ᅜMSBᆫံ‫ݛ‬๕༵ࠃăසࡕ CS ‫ۉگڦ‬ೝጒༀ‫׼‬Ⴤ16߲SCLKዜ೺Ljܸփ๟14߲Ljሶሞ12࿋ຕ਍ࢫࣷ‫؜‬၄ଇ߲࿂ ໜଭăසࡕ CS ‫ۉگڦ‬ೝጒༀም‫׼‬ჄDOUTAईDOUTBฉ‫ڦ‬16߲SCLKዜ೺Ljሶઠጲଷᅃ߲ADC‫ڦ‬ຕ਍ࣷ‫؜‬၄ሞDOUT ᆅগฉăኄᄣLjኻႴ๑ᆩᅃ߲‫ز‬ႜ‫܋‬੨৽੗ᅜॽཞօገ࣑‫ڦ‬ଇ߲ADC‫ڦ‬ຕ਍๼‫؜‬ᅜ‫ز‬ႜ߭๕णዐሞDOUTAई DOUTBฉă֖९‫ز‬ႜথ੨և‫ݴ‬ă 31 VDRIVE இड‫ۉ‬ᇸ๼෇ăُᆅগ‫ۉڦ‬ᇸ‫ۉ‬უਦۨஇडথ੨‫߾ڦ‬ፕ‫ۉ‬უăᆌॽُᆅগඁ᳘዁DGNDăُᆅগ‫ۉڦ‬უ੗ ᅜᇑAVDDࢅDVDDփཞLj‫ڍ‬փ‫ࡗגڥ‬ඪࢆᅃኁ0.3 Vᅜฉă 32 DVDD ຕጴ‫ۉ‬ᇸ‫ۉ‬უLj2.7 V዁5.25 Văኄ๟AD7266໯ᆶຕጴ‫ۉ‬ୟ‫ۉڦ‬ᇸ‫ۉ‬უăDVDDࢅAVDD‫ۉ‬უሞ૙ၙ൧઄ူᆌ ԍ‫ۉڪ׼‬࿋Ljժ൐‫ۉ‬࿋ֶ)ฯ዁ሞຨༀ‫ۉ‬უ٪ሞ൧઄้*փ‫ࡗגڥ‬0.3 Văᆌॽُ‫ۉ‬ᇸඁ᳘዁DGNDă Rev. A | Page 8 of 28 AD7266 ‫ۆ‬႙߾ፕ༬Ⴀ ‫ݥأ‬ଷᆶຫ௽LjTA = 25°Că –60 INTERNAL REFERENCE 4096 POINT FFT VDD = 5V, VDRIVE = 3V FSAMPLE = 2MSPS FIN = 52kHz SINAD = 71.4dB THD = –84.42dB DIFFERENTIAL MODE –10 –70 –30 EXTERNAL REFERENCE –50 (dB) PSRR (dB) –80 –90 –70 –100 200 400 600 800 1000 1200 1400 1600 1800 2000 SUPPLY RIPPLE FREQUENCY (kHz) –110 0 100 200 300 ཮4. ‫ۉ‬ᇸᅞ዆Բ(PSRR)ᇑ‫ۉ‬ᇸ࿖հೕ୲‫࠲ڦ‬ဣLj࿮‫ۉ‬ᇸඁ᳘ 1.0 VDD = 5V 0.8 –60 0.6 –65 0.4 DNL ERROR (LSB) –55 –70 –75 –80 –85 –0.4 –0.8 200 300 400 500 600 700 NOISE FREQUENCY (kHz) 800 900 1000 VDD = 5V, VDRIVE = 3V DIFFERENTIAL MODE –0.2 –95 100 –1.0 0 500 1000 VDD = 5V DIFFERENTIAL MODE 1500 2000 2500 CODE 3000 3500 4000 ཮8. ‫ۆ‬႙DNL ཮5. ཚ‫ڢ‬क़߰૗ 74 1000 0 –0.6 0 900 0.2 –90 –100 800 ཮7. FFT 04603-004 ISOLATION (dB) –50 400 500 600 700 FREQUENCY (kHz) 04603-007 0 04603-003 –120 100mV p-p SINE WAVE ON AVDD NO DECOUPLING SINGLE-ENDED MODE 04603-006 –90 –110 1.0 RANGE = 0 TO VREF VDD = 5V, VDRIVE = 3V DIFFERENTIAL MODE 0.8 72 0.6 VDD = 3V DIFFERENTIAL MODE INL ERROR (LSB) 0.4 68 66 64 0.2 0 –0.2 –0.4 –0.6 62 0 500 1000 1500 2000 INPUT FREQUENCY (kHz) 2500 3000 ཮6. փཞ‫ۉ‬ᇸ‫ۉ‬უူ႑భԲ(SINAD)ᇑఇె๼෇ೕ୲‫࠲ڦ‬ဣ –1.0 0 500 1000 1500 2000 2500 CODE ཮9. ‫ۆ‬႙INL Rev. A | Page 9 of 28 3000 3500 4000 04603-008 60 –0.8 04603-005 SINAD (dB) 70 AD7266 1.0 0.8 NO. OF OCCURRENCES POSITIVE INL 0.2 0 NEGATIVE INL –0.4 –0.6 7000 6000 5000 4000 3000 2000 NEGATIVE DNL –0.8 0 0.5 1.0 1.5 2.0 2.5 VREF (V) 0 2046 2049 2050 ཮13. ֶ‫ݴ‬ఇ๕ူ10kᄣԨ‫ڦ‬ஓጴ኱‫཮ݛ‬ 12.0 10000 11.5 9000 11.0 INTERNAL REFERENCE SINGLE-ENDED MODE 9984 CODES 8000 10.0 VDD = 3V SINGLE-ENDED MODE 9.5 9.0 VDD = 3V DIFFERENTIAL MODE 8.5 VDD = 5V DIFFERENTIAL MODE 7000 6000 5000 4000 3000 8.0 2000 7.5 1000 0 0.5 1.0 1.5 2.0 2.5 3.0 VREF (V) 3.5 4.0 4.5 5.0 5 CODES 0 2046 2047 11 CODES 2048 2049 04603-042 NO. OF OCCURRENCES VDD = 5V SINGLE-ENDED MODE 10.5 04603-010 EFFECTIVE NUMBER OF BITS 2048 CODE ཮10. ၍ႠဃֶᇑVREF ‫࠲ڦ‬ဣ 7.0 2047 04603-012 1000 04603-009 –1.0 DIFFERENTIAL MODE 10000 CODES 8000 0.4 –0.2 INTERNAL REFERENCE 9000 POSITIVE DNL 0.6 LINEARITY ERROR (LSB) 10000 VDD = 3V/5V DIFFERENTIAL MODE 2050 CODE ཮11. ᆶၳ࿋ຕᇑVREF ‫࠲ڦ‬ဣ ཮14. ‫܋ڇ‬ఇ๕ူ10kᄣԨ‫ڦ‬ஓጴ኱‫཮ݛ‬ 2.5010 –60 2.5005 –65 –70 2.5000 VREF (V) –75 CMRR (dB) 2.4995 2.4990 –80 –85 –90 2.4985 20 40 60 80 100 120 140 CURRENT LOAD (A) 160 180 200 ཮12. VREF ᇑएጚ๼‫ୁۉ؜‬ൻ‫࠲ڦۯ‬ဣ –100 0 200 400 600 800 RIPPLE FREQUENCY (kHz) 1000 ཮15. ࠌఇᅞ዆Բ(CMRR)ᇑࠌఇ࿖հೕ୲‫࠲ڦ‬ဣ Rev. A | Page 10 of 28 1200 04603-011 –95 0 04603-011 2.4980 DIFFERENTIAL MODE VDD = 3V/5V AD7266 ຍᇕ ྲ‫ݥݴ‬၍Ⴀ(DNL) ႑భԲ)SINAD* ྲ‫ݥݴ‬၍Ⴀ๟ኸADCዐඪᅪଇ߲၎ତஓኮक़໯֪‫ڥ‬Վࣅኵ ᇑ૙ၙ‫ڦ‬1 LSBՎࣅኵኮक़‫ֶڦ‬ᅴă ႑భԲ๟ኸሞADC๼‫ڦڥ֪܋؜‬႑ࡽ‫ܔ‬ሯำत฿ኈԲăኄ ૛‫ڦ‬႑ࡽ๟एհ‫ڦ‬਩‫ޗߵݛ‬ኵăሯำྺ໯ᆶ‫֑ڟٳ‬ᄣೕ୲ ᅃӷDŽfS/2Lj኱ୁ႑ࡽ‫ྔأ‬Dž‫ݥڦ‬एհ႑ࡽኮࢅăሞຕጴ ࣅࡗ‫ײ‬ዐLjኄ߲Բኵ‫ٷڦ‬ၭൽਦᇀଉࣅपຕLjଉࣅपຕሁ ‫ܠ‬Ljଉࣅሯำ৽ሁၭă‫ܔ‬ᇀᅃ߲ኟ၀հ๼෇‫ڦ‬૙ၙN࿋ገ ࣑ഗLj႑భԲኵ૙ஃኵऺ໙ࠅ๕ྺǖ ओ‫ݥݴ‬၍Ⴀ)INL* ओ‫ݥݴ‬၍Ⴀ๟ኸADC‫ࡧڿد‬ຕᇑᅃཉཚࡗADC‫ࡧڿد‬ຕ‫܋‬ ‫ڦۅ‬኱၍‫ڦ‬ፌ‫ٷ‬ೋֶă‫ࡧڿد‬ຕᆶଇ߲‫ۅ܋‬Ljഐ‫ۅ‬ሞ‫گ‬ᇀ ‫ڼ‬ᅃ߲ஓገ࣑‫ڦ‬1 LSB‫ڦت‬ଭ‫ۉ‬ೝLjዕ‫ۅ‬ሞߛᇀፌࢫᅃ߲ஓ ገ࣑‫ڦ‬1 LSB‫ڦت‬஢ଉ‫ײ‬ă SINAD = (6.02 N + 1.76) dB ฿ۙဃֶ ᅺُLj12࿋ገ࣑ഗ‫ڦ‬႑భԲ૙ஃኵྺ74dBă ฿ۙဃֶ๢ᆩᇀ኱থܾ৊዆๼‫؜‬Պஓ‫ݛ‬๕ă໲๟ኸ‫ڼ‬ᅃ߲ ஓገ࣑DŽ00 . . . 000‫ڟ‬00 . . . 001Džᇑ૙ၙኵ(AGND + 1 LSB) ‫ڦ‬ೋֶă ጺၿհ฿ኈ)THD* ጺၿհ฿ኈ๟ኸ໯ᆶၿհ਩‫ࢅߵݛ‬ᇑएհ‫ڦ‬Բኵă‫ܔ‬ᇀ AD7266Ljഄۨᅭྺ ฿ۙဃֶ೅ದ ฿ۙဃֶ೅ದ๟ኸ໯ᆶ12߲ཚ‫ڦڢ‬฿ۙဃֶ‫ֶڦ‬ኵă THD(dB)  20 log ሺᅮဃֶ ሺᅮဃֶ๢ᆩᇀ኱থܾ৊዆๼‫؜‬Պஓ‫ݛ‬๕ă໲๟ኸၯኟ฿ ۙဃֶኮࢫLjፌࢫᅃ߲ஓገ࣑DŽ111 . . . 110‫ڟ‬111 . . . 111Dž ᇑ૙ၙኵ(VREF − 1 LSB)‫ڦ‬ೋֶăሺᅮဃֶփԈઔएጚᇸဃ ֶă ሺᅮဃֶ೅ದ V2 2  V3 2  V4 2  V5 2  V6 2 V1 ഄዐǖ V1๟एհ‫ޗ‬ኵ‫ڦ‬਩‫ߵݛ‬ኵă V2ĂV3ĂV4ĂV5तV6๟ْܾ‫ْୃڟ‬ၿհ‫ޗ‬ኵ‫ڦ‬਩‫ߵݛ‬ኵă ‫ރ‬ኵၿհईሗොሯำ! ሺᅮဃֶ೅ದ๟ኸ໯ᆶ12߲ཚ‫ڦڢ‬ሺᅮဃֶ‫ֶڦ‬ኵă ଭ‫ۉ‬ೝဃֶ ଭ‫ۉ‬ೝဃֶ๢ᆩᇀ2 × VREF๼෇‫ܾڦူྷݔ‬৊዆ցஓ๼‫؜‬Պ ஓ‫ݛ‬๕Lj૩සǖ޿๼෇‫ྺྷݔ‬−VREF዁+VREFLjሞVREF‫ۅ‬ೋ ዃă໲๟ӷଉ‫ײ‬ገ࣑DŽඇ1‫ڟ‬ඇ0Džᇑ૙ၙVIN‫ۉ‬უ(VREF)‫ڦ‬ ೋֶă ଭ‫ۉ‬ೝဃֶ೅ದ ଭ‫ۉ‬ೝဃֶ೅ದ๟ኸ໯ᆶ12߲ཚ‫ڦڢ‬ଭ‫ۉ‬ೝဃֶ‫ֶڦ‬ኵă ኟሺᅮဃֶ ኟሺᅮဃֶ๢ᆩᇀ2 × VREF๼෇‫ܾڦူྷݔ‬৊዆ցஓ๼‫؜‬Պ ஓ‫ݛ‬๕Lj૩සǖ޿๼෇‫ྺྷݔ‬−VREF዁+VREFLjሞVREF‫ۅ‬ೋ ዃă໲๟ኸၯኟଭ‫ۉ‬ೝဃֶኮࢫLjፌࢫᅃ߲ஓገ࣑DŽ011 …110‫ڟ‬011…111Džᇑ૙ၙኵ(+VREF − 1 LSB)‫ڦ‬ೋֶă ֑ᄣԍ‫׼‬ഗ֑ण้क़ ֑ᄣԍ‫ٷݣ׼‬ഗሞገ࣑঳ຐࢫ࣬ް߶ጷఇ๕ă֑ᄣԍ‫֑׼‬ ण้क़๟ገ࣑঳ຐࢫLj֑ᄣԍ‫ٷݣ׼‬ഗ๼‫ڟٳ؜‬ፌዕኵ DŽሞ±1/2 LSBాDž໯Ⴔ‫้ڦ‬क़ă ‫ރ‬ኵၿհईሗොሯำ๟ኸሞADC๼‫؜‬ೕ೷DŽፌߛ‫ٳ‬fS/2Lj ኱ୁ႑ࡽ‫ྔأ‬DžዐLjူᅃ߲ፌ‫ݴٷ‬ଉ‫ڦ‬਩‫ߵݛ‬ኵᇑएհ਩ ‫ߵݛ‬ኵ‫ڦ‬Բăཚ‫׉‬൧઄ူLjُ֖ຕኵᆯೕ೷ా‫ڦ‬ፌ‫ٷ‬ၿհ ਦۨLj‫ܔڍ‬ᇀၿհჷுᇀԨ‫ڹ‬ሯำా‫ڦ‬ADCLj໲ྺሯำ‫ރ‬ ኵă ཚ‫ڢ‬क़߰૗! ཚ‫ڢ‬क़߰૗࢚ଉཚ‫ڢ‬ኮक़‫زڦ‬ඡ຤ೝăཚࡗၠ໯ᆶ࿄჋ۨ ‫ڦ‬๼෇ཚ‫ڢ‬แेᅃ߲஢ଉ‫ײ‬DŽVDD= 5 V้ྺ2 × VREF-VDD = 3 V ้ྺVREFDžĂ10 kHzኟ၀հ႑ࡽLjժਦۨ޿႑ࡽሞ჋ۨཚ‫ڢ‬ ాໜ50 kHz႑ࡽDŽ0 V዁VREFDž‫ڦ‬ປ३‫܈ײ‬ઠ֪ଉă໯‫ڥ‬঳ ࡕྺAD7266໯ᆶ12߲ཚ‫ڦڢ‬ፌֶ൧઄঳ࡕă ঍ۙ฿ኈ! ‫ړ‬๼෇ᆯଇ߲ೕ୲‫ݴ‬՚ྺfaࢅfb‫ڦ‬ኟ၀հፇ‫้ׯ‬Ljඪࢆ‫ݥ‬ ၍Ⴀᆶᇸഗॲ‫ࣷۼ‬ᅜࢅᇑֶೕmfa ± nfbDŽഄዐm, n = 0, 1, 2, 3…Dž‫ڦ‬ႚ๕ׂิ฿ኈओă঍ۙ฿ኈၜ‫ڦ‬mࢅn‫ۼ‬փ‫ڪ‬ᇀ0ă ૩සLjܾ঩ၜԈઔ(fa + fb)ࢅ(fa − fb)Ljܸෙ঩ၜԈઔ(2fa + fb)Ă(2fa − fb)Ă(fa + 2fb)ࢅ(fa − 2fb)ă Rev. A | Page 11 of 28 AD7266  AD7266ঢ়ࡗCCIFՔጚ֪๬LjُՔጚ๑ᆩፌ‫ٷ‬๼෇‫޹੻ټ‬ ৎ‫ڦ‬ଇ߲๼෇ೕ୲ăሞُ൧઄ူLjܾ঩ၜೕ୲ཚ‫׉‬ᇺ૗‫؛‬ ๔ኟ၀հLjܸෙ঩ၜೕ୲ཚ‫੍׉‬ৎ๼෇ೕ୲ăᅺُLjܾ঩ ၜࢅෙ঩ၜႴ‫ݴ‬՚ኸۨă঍ۙ฿ኈߵ਍THD֖ຕઠऺ໙Lj ໲๟߲՚฿ኈओ‫ڦ‬਩‫ࢅߵݛ‬ᇑएհࢅ‫ޗڦ‬ኵ਩‫ڦߵݛ‬Բ ኵLjᆩdB՗๖ă ࠌఇᅞ዆Բ)CMRR* ࠌఇᅞ዆Բۨᅭྺ஢ଉ‫ײ‬ೕ୲fူADC๼‫୲ࠀ؜‬ᇑೕ୲fSူ แेᇀࠌఇ‫ۉ‬უVIN+ࢅVIN−‫ڦ‬100 mV‫ރރ‬ኵኟ၀հࠀ୲‫ڦ‬Բ ኵǖ CMRR (dB) = 10 log(Pf/PfS) ഄዐǖ Pf๟ሞೕ୲fူADC‫ڦ‬๼‫୲ࠀ؜‬ă PfS๟ሞೕ୲fSူADC‫ڦ‬๼‫୲ࠀ؜‬ă ‫ۉ‬ᇸᅞ዆Բ)PSRR*! ‫ۉ‬ᇸՎࣅࣷᆖၚገ࣑ഗ‫ڦ‬஢ଉ‫ײ‬ገ࣑Lj‫ڍ‬փࣷᆖၚഄ၍ Ⴀă‫ۉ‬ᇸᅞ዆๟ᆯᇀ‫ۉ‬ᇸ‫ۉ‬უೋ૗Ք‫׬‬ኵ໯ᆅഐ‫ڦ‬ፌ‫ٷ‬஢ ଉ‫ײ‬ገ࣑‫ۅ‬ՎࣅDŽ९཮5Džă! ඤው! ඤውۨᅭྺഗॲঢ়૦ᅜူ࿒‫܈‬თ࣍ࢫLjएጚ๼‫ۉ؜‬უ‫ڦ‬ਨ ‫ܔ‬ፌ‫ٷ‬Վࣅǖ! T_HYS+ = +25°C ዁ TMAX ዁ +25°C ईኁ T_HYS− = +25°C ዁ TMIN ዁ +25°C ඤውᆩqqn՗๖ǖ VHYS  ppm   VREF 25C  VREF T _ HYS   106 VREF 25C  ഄዐǖ VREF!(25°C)ྺ36°C้‫ڦ‬WSFGă VREF!(T_HYS)ྺWSFGሞU`IZT,ईU`IZT−ူ‫ڦ‬ፌ‫ٷ‬Վࣅă Rev. A | Page 12 of 28 AD7266  ߾ፕᇱ૙ ‫ۉ‬ୟ႑တ AD7266๟ᅃ੼੺໏ĂྲࠀࡼĂມࢃ12࿋ADCLj֑ᆩ2.7 V዁ 5.25 V‫ۉڇ‬ᇸࠃ‫ۉ‬ăᅜ5 V‫ۉ‬ᇸĂ32 MHz้ዓ߾ፕ้LjAD7266 ‫ུཾڦ‬໏୲੗‫ٳ‬2 MSPSǗᅜ3 V‫ۉ‬ᇸ߾ፕ้Ljཾུ໏୲੗ ‫ٳ‬1.5 MSPSă AD7266ದᆶ2߲ೌాֶ‫֑ݴ‬ᄣԍ‫ٷݣ׼‬ഗĂ2߲ደْ԰ৎ႙ ADCĂ1߲‫ز‬ႜথ੨त2߲‫܀‬૬ຕ਍๼‫؜‬ᆅগă໲֑ᆩ32ᆅ গLFCSPईTQFP‫ހ‬ጎLjᇑഄ໲঴ਦ‫ݛ‬ӄ၎ԲLj‫׉ݥ‬বู੣ क़ă‫ز‬ႜ้ዓ๼෇‫ݡ‬࿚ഗॲዐ‫ڦ‬ຕ਍Ljᄺၠ߳ደْ԰ৎ႙ ADC༵ࠃ้ዓᇸăഄఇె๼෇੗჋ስ0 V዁VREFई2 × VREF‫ݔ‬ ྷLjժ൐੗ದዃྺ‫܋ڇ‬ईֶ‫ݴ‬ఇె๼෇ăAD7266ᆛᆶ2.5 V ‫ాೌڦ‬एጚ‫ۉ‬უLjႴᆩྔևएጚ‫ۉ‬უ้Lj੗‫ُࡗג‬ኵăස ࡕဣཥഄ໲‫ݛں‬Ⴔᄲ๑ᆩాևएጚ‫ۉ‬უLjሶ๯ံՂႷ࣐؋ ๼‫؜‬ă ‫ړ‬ADCഔ‫ۯ‬ገ࣑)९཮17*้LjSW3܏ਸLjܸSW1ࢅSW2ᅎ ዁࿋ዃBLj๑‫ڥ‬ԲডഗՎ‫ڥ‬փೝ࢚ăᅃ‫ڋ‬ገ࣑ਸ๔Ljଇ߲ ๼෇਩ࣷ܏ਸă੦዆இडࢅ‫ࢁۉ‬ም‫ݴ‬ದDAC੗ᅜेฉࢅ३ ඁ֑ᄣ‫ۉ‬ඹንଚዐ‫ࢁۉۨࠦڦ‬ຕଉLj๑‫ڥ‬Բডഗ࣬ް‫ڟ‬ೝ ࢚ጒༀă‫ړ‬Բডഗዘႎೝ࢚ࢫLjገ࣑৽ᅙঢ়ྜ‫ׯ‬ă੦዆இ डׂิADC‫ڦ‬๼‫پ؜‬ஓăጀᅪኄ૛ൻ‫ۯ‬VIN+ࢅVIN-ᆅগ ‫ڦ‬ᇸ๼‫؜‬ፆੇᅃۨᄲ೅ದLj‫ޏ‬ሶଇ߲๼෇‫ॺڦ‬૬้क़փཞ ࣷ‫ڞ‬ዂ‫ٱ‬ဃă CAPACITIVE DAC CS B VIN+ VIN– A SW1 A SW2 CS COMPARATOR SW3 CONTROL LOGIC VREF CAPACITIVE DAC 04603-014 B AD7266࣏༵ࠃู‫ۉ‬჋ၜLj੗ሞଇْገ࣑क़ဤ৊෇ู‫ۉ‬ጒ ༀăู‫ۉ‬༬ႠཚࡗՔጚ‫ز‬ႜথ੨ํ၄Ljၘ९߾ፕఇ๕և ‫ݴ‬ă ཮17. ADCገ࣑঩܎ ገ࣑ഗ֡ፕ AD7266ਏᆶ2߲ደْ԰ৎ႙ADCLj߳ADC਩एᇀ2߲ඹႠ DACă཮16ࢅ཮17‫ݴ‬՚ྺኄၵADC‫֑ڦ‬ᄣ঩܎ࢅገ࣑঩܎ ०཮ăADCᆯ੦዆இडĂᅃ߲SARࢅଇ߲ඹႠDACፇ‫ׯ‬ă ሞ႑ࡽ֑ᄣ঩܎Ljස཮16໯๖LjSW3ԿࢇLjSW1ࢅSW2‫ۼ‬ ዃᇀAฉLjԲডഗԍ‫׼‬ሞೝ࢚ጒༀLj֑ᄣ‫ۉ‬ඹንଚ؊‫ۉ‬Lj ֑ण๼෇‫ݴֶڦ܋‬႑ࡽă CS B A SW2 CS COMPARATOR SW3 CONTROL LOGIC B VREF CAPACITIVE DAC ཮27/!BED֑ᄣ঩܎ 04603-013 VIN– A SW1 ֶ‫ݴ‬/࿁ֶ‫ݴ‬ఇ๕ူLjAD7266‫ڦ‬ఇె๼෇঳ࠓ‫ڪ‬ၳ‫ۉ‬ୟස ཮18໯๖ă‫܋ڇ‬ఇ๕ူLjVIN−ాևথAGNDă཮ዐ4߲ܾट ࠶ྺఇె๼෇༵ࠃESDԍࢺăൎऻLjఇె๼෇႑ࡽਦփీ ‫ࡆۉࠃࡗג‬300mVᅜฉLj‫ޏ‬ሶࣷሰ‫ׯ‬ኄၵܾट࠶ኟೋLjժ ਸ๔ၠएӱా‫ୁۉڞد‬ăኄၵܾट࠶‫ڞ‬ཚ‫ୁۉ‬੗‫ڟٳ‬ 10mALjܸփࣷ‫ڞ‬ዂփ੗࣬ް‫ڦ‬ഗॲ໦࣋ă ཮18ዐLj‫ۉ‬ඹC1‫ۆ‬႙ኵྺ4 pFLj੗एԨฉԥࡃຌྺᆅগसิ ‫ۉ‬ඹă‫ۉ‬ፆ๟ᆯਸ࠲ፆੇࠓ‫ڦׯ‬णጺᇮॲă‫ۉ‬ፆ‫ۆ‬႙ኵྺ 100 ΩፑᆸǗ‫ۉ‬ඹC2ྺADC֑ᄣ‫ۉ‬ඹLj‫ۆ‬႙ኵྺ45 pFă CAPACITIVE DAC VIN+ ఇె๼෇঳ࠓ ሞ঍ୁᆌᆩ้Ljॺᅱሞ၎ᆌ‫ڦ‬ఇె๼෇ᆅগᆩᅃ߲RC‫گ‬ཚ ୳հഗઠ୳‫أ‬ఇె๼෇႑ࡽ‫ߛڦ‬ೕ‫ݴׯ‬Ljፌॅኵྺ47 Ωࢅ 10 pFăሞ‫ܔ‬ၿհ฿ኈࢅ႑ሯԲᄲ൱ჹ߭‫ڦ‬ᆌᆩዐLjఇె๼ ෇ᆌ֑ᆩᅃ߲‫گ‬ፆੇᇸ৊ႜൻ‫ۯ‬ăߛᇸፆੇࣷ၂ዸᆖၚ޿ ADC‫ڦ‬঍ୁႠీLjժ൐੗ీᄲ൱ᆩᅃ߲๼෇࣐؋‫ٷݣ‬ഗă ཚ‫ߵ׉‬਍ਏ༹ᆌᆩઠ჋ስሏ໙‫ٷݣ‬ഗă Rev. A | Page 13 of 28 AD7266 VDD D R1 C2 VIN+ C1 ཮21ྺ߳ዖ‫ۉ‬ᇸཉॲĂ2MSPS֑ᄣ໏୲ူTHDᇑఇె๼෇ ೕ୲‫࠲ڦ‬ဣ཮ăഄዐLjᇸፆੇྺ47Ωă –50 D FSAMPLE = 1.5MSPS/2MSPS VDD = 3V/5V –55 RANGE = 0 TO VREF VDD D –65 THD (dB) R1 C2 VIN– C1 VDD = 3V SINGLE-ENDED MODE –60 04603-015 D –70 VDD = 3V DIFFERENTIAL MODE –75 –80 –85 փᆩ‫ٷݣ‬ഗઠൻ‫ۯ‬ఇె๼෇‫้܋‬Ljᆌॽᇸፆੇ၌዆ሞড‫گ‬ ‫ڦ‬ኵăፌ‫ڦٷ‬ᇸፆੇൽਦᇀ੗ඹႹ‫ڦ‬ጺၿհ฿ኈ(THD)ă ጺၿհ฿ኈໜጣ๼෇ᇸፆੇ‫ڦ‬ሺेܸሺ‫ٷ‬Ljܸٗ๑ADCႠ ీူইă཮19ྺփཞᇸፆੇĂ‫܋ڇ‬ఇ๕ူTHDᇑఇె๼෇ ႑ࡽೕ୲‫࠲ڦ‬ဣ཮Lj཮20ྺփཞᇸፆੇĂֶ‫ݴ‬ఇ๕ူTHD ᇑఇె๼෇႑ࡽೕ୲‫࠲ڦ‬ဣ཮ă –50 FSAMPLE = 1.5MSPS VDD = 3V –55 RANGE = 0V TO V REF RSOURCE = 300 RSOURCE = 100 200 300 400 INPUT FREQUENCY (kHz) –65 AD7266ࠌᆶ12ୟఇె๼෇ă௅߲ೌాADC‫ۼ‬ᆶ6ୟఇె๼ ෇Lj੗ᅜॽഄದዃྺୃ߲‫܋ڇ‬ཚ‫ڢ‬Ăෙ߲࿁ֶ‫ݴ‬ཚ‫ڢ‬ईෙ ߲ඇֶ‫ݴ‬ཚ‫ڢ‬ăኄ੗ᅜӀቷఇె๼෇჋ስև‫ݴ‬໯ຎ৊ႜ჋ ስă 500 600 +2.5V R THD (dB) 0V RSOURCE = 300 –1.25V VIN 0V R 3R VA1 AD72661 VB6 DCAP A/DCAP B R RSOURCE = 0 –70 1000 ఇె๼෇ +1.25V FSAMPLE = 1.5MSPS VDD = 3V RANGE = 0V TO VREF 900 ཮32/!փཞ‫ۉ‬ᇸ‫ۉ‬უူUIEᇑఇె๼෇ೕ୲‫࠲ڦ‬ဣ ཮19. ߳ዖᇸፆੇĂ‫܋ڇ‬ఇ๕ူTHDᇑఇె๼෇ೕ୲‫࠲ڦ‬ဣ –60 800 04603-016 RSOURCE = 10 100 300 400 500 600 700 INPUT FREQUENCY (kHz) සࡕᄲ֑ᄣ‫ڦ‬ఇె๼෇႑ࡽྺມटႠLjሶ੗ᅜ૧ᆩADC‫ڦ‬ ాևएጚ‫ۉ‬უٗྔև๑ُ႑ࡽ݀ิೋዃLjᅜՍਏᆶ๢ࢇ ADC‫ڦ‬ኟඓ߭๕ă཮22၂๖ADCሞ‫܋ڇ‬ఇ๕ူ߾ፕ้‫ۆڦ‬ ႙૶থ཮ă RSOURCE = 47 –80 0 200 RSOURCE = 100 0.47μF –75 –80 RSOURCE = 47 1ADDITIONAL –85 ཮33/!‫܋ڇ‬ఇ๕૶থ཮! 0 100 200 300 400 500 600 700 INPUT FREQUENCY (kHz) 800 900 1000 04603-017 RSOURCE = 10 –90 PINS OMITTED FOR CLARITY. ཮20. ߳ዖᇸፆੇĂֶ‫ݴ‬ఇ๕ူTHDᇑఇె๼෇ೕ୲‫࠲ڦ‬ဣ Rev. A | Page 14 of 28 04603-019 THD (dB) RSOURCE = 0 –70 –90 100 AD7266ጺࠌ੗ᅜᆶ12߲‫܋ڇ‬ఇె๼෇ཚ‫ڢ‬ăሞ႑ࡽᇸਏᆶ ߛፆੇ‫ڦ‬ᆌᆩዐLjॺᅱံ‫ܔ‬ఇె๼෇৊ႜ࣐؋Ljምॽഄแ ेᇀADCăఇె๼෇‫ྷݔ‬੗ᅜཚࡗՊ‫ײ‬ยዃྺ0዁V REFई 0዁2 × VREFă –65 –85 0 VDD = 5V DIFFERENTIAL MODE ‫܋ڇ‬ఇ๕ –60 –75 –90 VDD = 5V SINGLE-ENDED MODE 04603-018 ཮18. ‫ڪ‬ၳఇె๼෇‫ۉ‬ୟǖገ࣑঩܎—ਸ࠲܏ਸLj ֑ᄣ঩܎—ਸ࠲Կࢇ AD7266 3.5 ֶ‫ݴ‬ఇ๕ VIN+ AD72661 COMMON MODE VOLTAGE VREF p-p 2.5 2.0 1.5 1.0 0.5 VIN– 1ADDITIONAL PINS OMITTED FOR CLARITY. 04603-020 0 0 0.5 1.0 1.5 2.0 2.5 3.0 VREF (V) 3.5 4.0 4.5 5.0 04603-021 VREF p-p 3.0 COMMON-MODE RANGE (V) AD7266ጺࠌ੗ᅜᆶ6‫ݴֶܔ‬ఇె๼෇ă ֶ‫ݴ‬႑ࡽሞగၵ‫ݛ‬௬ᆫᇀ‫܋ڇ‬႑ࡽLj૩සǖएᇀഗॲࠌఇ ᅞ ዆ ‫ ੇ ڦ‬ඡ ‫ ߛ ߸ ܈‬Lj ܸ ൐ ฿ ኈ Ⴀ ీ ߸ ॅ ă ཮ 23ۨ ᅭ କ AD7266‫ڦ‬ඇֶ‫ݴ‬ఇె๼෇ă TA = 25°C ཮24. ๼෇ࠌఇ‫ۉ‬უ‫ྷݔ‬ᇑVREF ‫࠲ڦ‬ဣDŽ0዁VREF ‫ྷݔ‬LjVDD = 5 VDž ཮23. ֶ‫ݴ‬๼෇ۨᅭ 5.0 TA = 25°C 4.5 4.0 COMMON-MODE RANGE (V) ֶ‫ݴ‬႑ࡽ‫ޗڦ‬ኵྺֶ߳‫ܔݴ‬ዐ๼෇ᆅগVIN+ࢅ๼෇ᆅগ VIN−‫ڦ‬႑ࡽֶኵDŽनVIN+ − VIN−DžăVIN+ࢅVIN−ᆌ֑ᆩଇ ߲၎࿋၎ֶ180°‫ڦ‬႑ࡽཞ้ൻ‫ۯ‬Lj߳႑ࡽ‫ޗڦ‬ኵྺVREF )ई2 × VREFLjൽਦᇀ໯჋‫*ྷݔڦ‬ăᅺُLjֶ‫ݴ‬႑ࡽ‫ޗڦ‬ኵ ྺ−VREF዁+VREF‫ރރ‬ኵDŽ2 × VREFLj्ย჋ስ0዁VREF‫ݔ‬ ྷ*Ljᇑࠌఇ‫ۉ‬უ(CM)࿮࠲ă ࠌఇ‫ۉ‬უ๟ኄଇ߲႑ࡽ‫ڦ‬ೝ਩ኵǖ (VIN+ + VIN−)/2 3.5 3.0 2.5 2.0 1.5 1.0 0 ᅺُLjࠌఇ‫ۉ‬უྺኄଇୟ๼෇‫ڦ‬ዐ႐‫ۉ‬უă ኄ๑‫߳ڥ‬๼෇‫ྺྷݔڦ‬CM ± VREF/2ăኄᅃ‫ۉ‬უՂႷሞྔև ยۨLjժ൐໲‫ྷݔڦ‬ໜጣएጚ‫ۉ‬უኵVREFܸՎࣅăVREF ኵሺ‫้ٷ‬Ljࠌఇ‫ྷݔ‬໫ၭă֑ᆩ‫ٷݣ‬ഗൻ‫ۯ‬๼෇้Ljํा ࠌఇ‫ྷݔ‬ᆯ‫ٷݣ‬ഗ‫ڦ‬๼‫ۉ؜‬უӦ‫ޗ‬ਦۨă ཮24ࢅ཮25‫ݴ‬՚၂๖5 V‫ۉ‬ᇸĂ0዁VREF‫ࢅྷݔ‬2 × VREF‫ྷݔ‬ ူLjࠌఇ‫ྷݔ‬ཚ‫׉‬සࢆໜVREFܸՎࣅăྺକԍኤAD7266‫ڦ‬ ࠀీLjࠌఇ‫ۉ‬უՂႷሞُ‫ాྷݔ‬ă ገ࣑݀ิ้Ljࠌఇ๴‫ڟ‬ᅞ዆Lj໯ׂิ‫ڦ‬႑ࡽबࢭ࿮ሯำLj ഄ‫ޗ‬ኵ‫ྺྷݔ‬−VREF዁+VREFLjᇑຕጴஓ0዁4096၎‫ܔ‬ᆌăස ࡕ๑ᆩ2 × VREF‫ྷݔ‬Ljሶገ࣑ࢫ๼෇႑ࡽ‫ޗ‬ኵ‫ྺྷݔ‬−2 VREF ዁+2 VREFă 0 0.5 1.0 1.5 VREF (V) 2.0 2.5 04603-022 0.5 ཮25. ๼෇ࠌఇ‫ۉ‬უ‫ྷݔ‬ᇑVREF ‫࠲ڦ‬ဣDŽ2 × VREF ‫ྷݔ‬LjVDD = 5 VDž ൻ‫ݴֶۯ‬๼෇ ֶ‫߾ݴ‬ፕᄲ൱֑ᆩଇ߲‫ޗ‬ኵ၎‫ڪ‬Ă၎࿋၎ֶ180°‫ڦ‬႑ࡽཞ ้ൻ‫ۯ‬VIN+ࢅVIN−ăࠌఇ‫ۉ‬უՂႷሞྔևยዃăࠌఇ‫ྷݔ‬ ᆯV REF Ă‫ۉ‬ᇸࢅᆩઠൻ‫ۯ‬ఇె๼෇‫ڦ‬༬ۨ‫ٷݣ‬ഗࠌཞਦ ۨă࿮ஃ๟঍ୁ๼෇࣏๟኱ୁ๼෇Ljֶ‫߾ݴ‬ፕఇ๕਩੗ሞ ড੻‫ڦ‬ೕ୲‫ࠃ༵ాྷݔ‬ፌॅ‫ڦ‬ጺၿհ฿ኈ(THD)Ⴀీăժ ‫ݥ‬໯ᆶᆌᆩ‫ࣷۼ‬ᇨံۙ૙႑ࡽᅜࠃֶ‫֡ݴ‬ፕLjᅺُঢ়‫׉‬Ⴔ ᄲኴႜ‫܋ڇ‬዁ֶ‫ݴ‬ገ࣑ă Rev. A | Page 15 of 28 AD7266  ๑ᆩሏ໙‫ٷݣ‬ഗ‫ܔ‬ ࿁ֶ‫ݴ‬ఇ๕ ੗ᅜ૧ᆩᅃሏ໙‫ٷݣ‬ഗ‫ܔ‬Ljॽֶ‫ݴ‬႑ࡽ኱থ᳘ࢇ዁AD7266 ఇె๼෇‫ܔ‬ኮᅃă཮26ࢅ཮27໯๖‫ۉڦ‬ୟದዃ‫ݴ‬՚ຫ௽ස ࢆ๑ᆩᅃ߲ມཚ‫ڢ‬ሏ໙‫ٷݣ‬ഗLjॽມटႠࢅ‫ڇ‬टႠ‫܋ڇ‬๼ ෇႑ࡽገ࣑ྺֶ‫ݴ‬႑ࡽă AD7266ጺࠌ੗ᅜᆶ6‫ܔ‬࿁ֶ‫ݴ‬ఇె๼෇ăኄዖఇ๕ူLj VIN+૶‫ڟ‬႑ࡽᇸLjഄ‫ޗ‬ኵՂႷྺVREFDŽई2 × VREFLjൽਦᇀ ໯჋‫ྷݔڦ‬DžLjᅜՍ૧ᆩഗॲ‫ڦ‬ኝ߲‫ۯ‬ༀ‫ྷݔ‬ăᅃ߲኱ୁ ๼෇แेᇀVIN−ᆅগăแेᇀُ๼෇‫ۉڦ‬უྺVIN+๼෇༵ ࠃᅃ߲‫ںܔ‬฿ۙ‫ۉ‬უईᅃ߲࿁‫ۉں‬უă࿁ֶ‫ݴ‬๼෇‫تࡻڦ‬ ሞᇀLjఇె๼෇႑ࡽ‫ں‬ᇑADC‫ݴں‬૗Ljܸٗ੗ᅜൽၩ኱ୁ ࠌఇ‫ۉ‬უă࿁ֶ‫ݴ‬ఇ๕ူVIN−ᆅগ‫ۆڦ‬႙‫ۉ‬უ‫ྷݔ‬ස཮28 ࢅ཮29໯๖ă཮30၂๖࿁ֶ‫ݴ‬ఇ๕‫૶ڦ‬থ཮ă แेᇀA‫ۉڦۅ‬უยዃࠌఇ‫ۉ‬უăଇ‫཮ޗ‬ዐLjA‫ۅ‬ᅜగዖ ‫ݛ‬๕ᇑएጚ‫ۉ‬უᇸ၎૶Lj‫ڍ‬ႴጀᅪLjُ‫ت‬੗ᅜᆩࠌఇ‫ྷݔ‬ ా‫ڦ‬ඪࢆኵઠยዃࠌఇ‫ۉ‬უăAD8022๟ᅃ੼ࢇ๢‫ڦ‬ມཚ‫ڢ‬ ሏ໙‫ٷݣ‬ഗLj੗ᅜᆩሞُದዃዐྺAD7266༵ࠃֶ‫ݴ‬ൻ‫ۯ‬ă ჋ስሏ໙‫ٷݣ‬ഗႴ৉ัLjᆌߵ਍໯Ⴔ‫ۉڦ‬ᇸࢅဣཥႠీణ Ք৊ႜ჋ስă཮26ࢅ཮27ዐ‫ڦ‬ൻ‫ۉۯ‬ୟኍ‫ܔ‬ᄲ൱ፌॅ฿ኈ Ⴀీ‫ڦ‬኱ୁ᳘ࢇᆌᆩ৊ႜକᆫࣅă ཮27໯๖‫ݴֶڦ‬ሏ‫ݣ‬ൻ‫ۯ‬ഗ‫ۉ‬ୟᆩᇀॽ‫܋ڇ‬Ă‫੊֖ں‬DŽມ टႠDž႑ࡽገ࣑ྺֶ‫ݴ‬႑ࡽLjժኴႜ‫ۉ‬ೝገ࣑Lj๑໯इ‫ڥ‬ ‫ݴֶڦ‬႑ࡽዐኵ࿋ᇀADC‫ڦ‬VREF‫ۉ‬ೝă TA = 25°C 0.8 0.6 VIN– (V) ཮26໯๖‫ۉڦ‬ୟದዃॽᅃ߲‫ڇ‬टႠ‫܋ڇ‬႑ࡽገ࣑ྺᅃֶ߲ ‫ݴ‬႑ࡽă 1.0 0.4 0.2 0 2 × VREF p-p VREF 3.75V 220 440 V+ 27 –0.4 2.5V 1.25V VIN+ GND AD72661 V+ 27 A 0.5 1.0 1.5 VREF (V) 2.0 2.5 3.0 ཮28. ࿁ֶ‫ݴ‬ఇ๕ူVIN −๼෇‫ۉ‬უ‫ྷݔ‬ᇑVREF ‫࠲ڦ‬ဣ(VDD = 3 V) V– 220 220 0 04603-043 –0.2 3.75V 2.5V 1.25V 2.5 TA = 25°C 2.0 VIN– DCAP A/DCAP B V– 10k 1.5 1ADDITIONAL PINS OMITTED FOR CLARITY. VIN– (V) 04603-023 0.47μF 1.0 0.5 ཮26. ॽᅃ߲‫ڇ܋ڇ‬टႠ႑ࡽገ࣑ྺᅃֶ߲‫ݴ‬႑ࡽ‫ڦ‬ມཚ‫ڢ‬ሏ໙‫ٷݣ‬ഗ‫ۉ‬ୟ 0 GND 3.75V 220 440 V+ 27 2.5V 1.25V –0.5 VIN+ AD72661 V– 220k 0.5 1.0 1.5 2.0 2.5 3.0 VREF (V) 3.5 4.0 4.5 5.0 ཮29. ࿁ֶ‫ݴ‬ఇ๕ူVIN −๼෇‫ۉ‬უ‫ྷݔ‬ᇑVREF ‫࠲ڦ‬ဣ(VDD = 5 V) 220 220 3.75V V+ 27 A 0 2.5V 1.25V VIN– DCAP A/DCAP B VREF p–p AD72661 VIN+ V– 10k 0.47μF PINS OMITTED FOR CLARITY. DC INPUT VOLTAGE VIN– VREF 0.47μF ཮27. ॽᅃ߲‫܋ڇ‬ມटႠ႑ࡽገ࣑ྺᅃֶ߲‫ڇݴ‬टႠ႑ࡽ‫ڦ‬ມཚ‫ڢ‬ሏ໙‫ٷݣ‬ഗ‫ۉ‬ୟ 1ADDITIONAL PINS OMITTED FOR CLARITY. ཮41/!࿁ֶ‫ݴ‬ఇ๕૶থ཮ Rev. A | Page 16 of 28 04603-025 1ADDITIONAL 04603-024 20k 04603-044 2 × VREF p-p AD7266  ఇె๼෇჋ስ AD7266‫ڦ‬ఇె๼෇੗ᅜཚࡗSGL/ DIFFஇडᆅগದዃྺ‫܋ڇ‬ ईኈֶ‫ݴ‬๼෇Ljස཮31໯๖ăසࡕُᆅগᇑஇड‫ۉگ‬ೝ၎ ૶Ljሶ߳ೌాADC‫ڦ‬ఇె๼෇ཚ‫ڢ‬ยዃྺෙ‫ܔ‬ኈֶ‫ݴ‬๼ ෇ăසࡕُᆅগᇑஇडߛ‫ۉ‬ೝ၎૶Ljሶ߳ೌాADC‫ڦ‬ఇె ๼෇ཚ‫ڢ‬ยዃྺୃୟ‫܋ڇ‬ఇె๼෇ăُᆅগ໯Ⴔ‫ڦ‬இड‫ۉ‬ ೝႴᄲሞ֑ण้क़ኮമॺ૬Ljժ൐ሞገ้࣑क़ాԍ‫׼‬փ ՎLj኱‫֑ڟ‬ᄣԍ‫׼‬ഗ‫߶࣮ݓ‬ጷጒༀă֑ᄣԍ‫׼‬ഗሞ CS ူই ᄂኮࢫSCLK‫ڼڦ‬13߲ฉืᄂ‫߶࣮ݓ‬ጷጒༀDŽ९཮41Džăස ࡕُᆅগ‫ۉڦ‬ೝ߀ՎLjAD7266ॽࣷ݀၄ǗᅺُLj֑ᄣࢅገ ࣑೺क़ՂႷԍ‫׼‬ཞᅃஇड‫ۉ‬ೝLjᅜ௨೦࣋ኟሞ৊ႜ‫ڦ‬ገ ࣑ă૩සLjሞ཮31ዐLjSGL/ DIFF ᆅগሞ֑ᄣࢅገ࣑೺क़ย ྺஇडߛ‫ۉ‬ೝLjᅺܸ‫ܔ‬ᇀ޿ገ࣑DŽ֑ᄣ‫ۅ‬ADžLjఇె๼෇ ದዃྺ‫܋ڇ‬๼෇ăሞ֑ᄣԍ‫׼‬ഗ‫߶࣮ݓ‬ጷጒༀኮࢫLjժ൐ ሞူᅃ߲֑ᄣDŽ‫ۅ‬BDž໯Ⴔ‫֑ڦ‬ण้क़ኮമLjSGL/ DIFF ‫ڦ‬ இड‫ۉ‬ೝՎྺ‫ۉگ‬ೝǗᅺܸ‫ܔ‬ᇀ޿ገ࣑Ljఇె๼෇ದዃྺ ֶ‫ݴ‬๼෇ă tACQ 1 14 ཚࡗRANGEᆅগ੗჋ስAD7266‫ڦ‬ఇె๼෇‫ྷݔ‬ǖ0 V዁VREF ई0 V዁2 × VREFă჋ስ‫݆ݛ‬ᇑSGL/ DIFF ᆅগ၎ຼLjᄺ๟ CS ሞူইᄂኮമ‫้ڦ‬क़tacqยዃRANGEᆅগ‫ڦ‬இडጒༀă඗ ࢫLjሞSCLK‫ڼڦ‬ෙ߲ူইᄂኮࢫLj੗ᅜ߀Վُᆅগ‫ڦ‬இड ‫ۉ‬ೝăසࡕُᆅগᇑஇड‫ۉگ‬ೝ၎૶Ljሶఇె๼෇‫ྷݔ‬჋ ስྺ0 V዁VREFăසࡕُᆅগᇑஇडߛ‫ۉ‬ೝ၎૶Ljሶఇె๼ ෇‫ྷݔ‬჋ስྺ0 V዁2 × VREFă ๼‫؜‬Պஓ AD7266๼‫؜‬Պஓ੗ยዃྺܾ৊዆ցஓई኱থܾ৊዆Ljਏ༹ ൽਦᇀྺገ࣑ܸ჋ስ‫ڦ‬ఇె๼෇ದዃă՗5၂๖କ߳ዖ੗ ీ‫ڦ‬ఇె๼෇ದዃ໯ᆩ‫ڦ‬๼‫؜‬Պஓ‫ݛ‬ӄă ՗5. AD7266๼‫؜‬Պஓ B A CS ཞօገ࣑ཚ‫ڢ‬ᆯ‫ܠ‬ୟްᆩഗ‫ں‬኷๼෇ᆅগA0዁A2჋ስăኄ ၵᆅগ‫ڦ‬இडጒༀᄺႴᄲሞ֑ण้क़ኮമॺ૬ǗփࡗLjኻ ᄲఇ๕փՎLjഄஇडጒༀ৽੗ᅜሞገ้࣑क़ా߀Վă૩ සLjසࡕఇ๕ٗඇֶ‫ݴ‬Վྺ࿁ֶ‫ݴ‬Ljሶ֑ण้क़ॽٗ޿‫ۅ‬ ਸ๔ዘႎऺ้ă໯჋๼෇ཚ‫ڦڢ‬঴ஓස՗6໯๖ă 1 14 04603-026 SCLK SGL/DIFF ཮31. ჋ስֶ‫ݴ‬ई‫܋ڇ‬ದዃ ‫ྷݔ‬ 0 V ዁ VREF 0 V዁ 2 × V REF 0 V ዁ VREF 0 V዁ 2 × V REF 0 V ዁ VREF 0 V ዁2 × V REF SGL/ DIFF DIFF DIFF SGL SGL PSEUDO DIFF PSEUDO DIFF ՗7/!ఇె๼෇ૌ႙ࢅཚ‫ڢ‬჋ስ SGL/DIFF 1 1 1 1 1 1 0 0 0 0 0 0 A2 0 0 0 0 1 1 0 0 0 0 1 1 A1 0 0 1 1 0 0 0 0 1 1 0 0 A0 0 1 0 1 0 1 0 1 0 1 0 1 VIN+ VA1 VA2 VA3 VA4 VA5 VA6 VA1 VA1 VA3 VA3 VA5 VA5 ADC A VIN− AGND AGND AGND AGND AGND AGND VA2 VA2 VA4 VA4 VA6 VA6 VIN+ VB1 VB2 VB3 VB4 VB5 VB6 VB1 VB1 VB3 VB3 VB5 VB5 Rev. A | Page 17 of 28 ADC B VIN− AGND AGND AGND AGND AGND AGND VB2 VB2 VB4 VB4 VB6 VB6 Ԣጀ ‫܋ڇ‬ ‫܋ڇ‬ ‫܋ڇ‬ ‫܋ڇ‬ ‫܋ڇ‬ ‫܋ڇ‬ ྜඇֶ‫ݴ‬ ࿁ֶ‫ݴ‬ ྜඇֶ‫ݴ‬ ࿁ֶ‫ݴ‬ ྜඇֶ‫ݴ‬ ࿁ֶ‫ݴ‬ ๼‫؜‬Պஓ ܾ৊዆ցஓ ܾ৊዆ցஓ ኱থܾ৊዆ ܾ৊዆ցஓ ኱থܾ৊዆ ܾ৊዆ցஓ AD7266  ‫ࡧڿد‬ຕ ຕጴ๼෇ ໯ยऺ‫ڦ‬ஓገ࣑ሞ૶ჄኝຕLSBኵฉDŽन1 LSBĂ2 LSB‫ڪ‬ ‫ڪ‬Dž৊ႜă‫܋ڇ‬ఇ๕ူLj‫ړ‬๑ᆩ0 V዁VREF‫้ྷݔ‬LjLSB‫ٷ‬ ၭྺVREF/4096Ǘ‫ړ‬๑ᆩ0 V዁2 × VREF‫้ྷݔ‬LjLSB‫ٷ‬ၭྺ2 × VREF/4096ăֶ‫ݴ‬ఇ๕ူLj‫ړ‬๑ᆩ0 V዁VREF‫้ྷݔ‬LjLSB ‫ٷ‬ၭྺ2 × VREF/4096Ǘ‫ړ‬๑ᆩ0 V዁2 × VREF‫้ྷݔ‬LjLSB‫ٷ‬ ၭྺ4 × VREF/4096ă๼‫؜‬኱থܾ৊዆Պஓ้LjAD7266‫ڦ‬૙ ၙ‫ڿد‬༬Ⴀස཮32໯๖Ǘ๼‫ܾ؜‬৊዆ցஓՊஓ้LjAD7266 ‫ڦ‬૙ၙ‫ڿد‬༬Ⴀස཮33໯๖DŽ2 × VREF‫ྷݔ‬Džă VDRIVE AD7266࣏ਏᆶVDRIVE༬ႠLj੗੦዆‫ز‬ႜথ੨‫߾ڦ‬ፕ‫ۉ‬უă V DRIVE༬Ⴀ๑޿ADCీࠕൟ຿ᇑ3 Vࢅ5 V‫ت‬૙ഗথ੨ă૩ සLjසࡕAD7266֑ᆩ5 V VDDࠃ‫ۉ‬LjሶVDRIVEᆅগ੗ᅜ֑ ᆩ3 V‫ۉ‬ᇸࠃ‫ۉ‬Lj๑‫گڥ‬უຕጴ‫ت‬૙ഗਏᆶড‫ۯڦٷ‬ༀ‫ݔ‬ ྷăᅺُLjAD7266੗ᅜ჋ስ2 × VREF‫ڦ‬๼෇‫(ྷݔ‬5 V VDD)Lj ཞ้ධీᇑ3 Vຕጴഗॲথ੨ă 111...111 111...110 ADC CODE แेᇀAD7266‫ڦ‬ຕጴ๼෇փ๴၌዆ఇె๼෇‫ڦ‬ፌ‫ۨܮٷ‬ኵ ‫ڦ‬၌዆ăᇑఇె๼෇փཞLjຕጴ๼෇੗ᅜߛ‫ٳ‬7 VLjժ൐ փ๴VDD + 0.3 V၌዆ă߸‫ܠ‬႑တ൩֖९ਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵև ‫ݴ‬ăSCLKĂRANGEĂA0዁A2ࢅCSᆅগփ๴VDD + 0.3 V၌ ዆‫ڦ‬ଷᅃ߲ࡻ‫ت‬๟‫ۉ‬ᇸ้Ⴞ੦዆࿚༶‫ڥ‬ᅜՆ௨ăසࡕሞ VDDฉ‫ۉ‬ኮമแेഄዐᅃ߲ຕጴ๼෇Ljժփࣷᆶឋ໮‫ޅ‬ ၃ăఇె๼෇ሶփ඗LjසࡕሞVDDฉ‫ۉ‬ኮമแे‫ٷ‬ᇀ0.3 V ‫ڦ‬႑ࡽLjఇె๼෇ࣷᆶឋ໮‫ޅ‬၃ă 111...000 1LSB = VREF/4096 011...111 000...010 000...001 000...000 VREF – 1LSB 0V 1LSB ANALOG INPUT 04603-027 ጀᅪ 1. VREFྺVREFई2× VREFă ཮32. ኱থܾ৊዆‫ڿد‬༬Ⴀ 1LSB = 2  VREF/4096 011...111 000...001 000...000 111...111 100...010 100...001 100...000 –VREF + 1LSB VREF – 1LSB +VREF – 1 LSB ANALOG INPUT 04603-028 ADC CODE 011...110 ཮33. ܾ৊዆ցஓ‫ڿد‬༬ႠDŽVREF ± VREF ๼෇‫ྷݔ‬Dž Rev. A | Page 18 of 28 AD7266  ߾ፕఇ๕ ሞገ࣑೺क़ཚࡗ੦዆CS႑ࡽ‫ڦ‬DŽஇडDžጒༀLj੗ᅜ჋ስ AD7266‫߾ڦ‬ፕఇ๕ăᆶෙዖ੗ీ‫߾ڦ‬ፕఇ๕ǖኟ‫׉‬ఇ๕Ă և‫ۉูݴ‬ఇ๕ࢅඇู‫ۉ‬ఇ๕ăገ࣑ഔ‫ࢫۯ‬LjCSԥઙߛ‫้ڦ‬ क़‫ۅ‬ਦۨഗॲ৊෇ࢆዖู‫ۉ‬ఇ๕DŽසᆶDžăૌຼ‫ں‬Ljසࡕ ᅙঢ়‫ت‬ᇀู‫ۉ‬ఇ๕LjሶCS੗ᅜ੦዆ഗॲ๟‫࣮ݓ‬ኟ‫߾׉‬ፕఇ ๕Lj࣏๟ीჄԍ‫ۉู׼‬ఇ๕ăኄၵ߾ፕఇ๕ኼሞ༵ࠃଳऄ ‫ۉڦ‬ᇸ࠶૙჋ၜăኍ‫ܔ‬փཞ‫ڦ‬ᆌᆩᄲ൱Lj੗ᅜ჋ስኄၵ჋ ၜLjᅜᆫࣅࠀࡼࢅཾུ໏୲ă ኟ‫׉‬ఇ๕ ኄዖఇ๕ኼሞᆩᇀႴᄲፌ੺ཾུ໏୲‫ڦ‬ᆌᆩLjAD7266๔ዕ ‫ت‬ᇀྜඇฉ‫ۉ‬ጒༀLjᆩࢽփՂ‫څ‬႐ฉ‫้ۉ‬क़࿚༶ă཮34၂ ๖କAD7266ሞኟ‫׉‬ఇ๕ူ‫ڦ‬ᅃӯ߾ፕᇱ૙཮ă CS 1 10 14 DOUTA DOUTB LEADING ZEROS + CONVERSION RESULT և‫ۉูݴ‬ఇ๕ ኄዖఇ๕ኼሞᆩᇀႴᄲড‫ུཾگ‬໏୲‫ڦ‬ᆌᆩă੗ᅜሞ௅ْ ገ࣑ྜ‫܏࠲ࢫׯ‬ADCLjईኁᅜߛཾུ໏୲ኴႜᅃဣଚገ ࣑Lj඗ࢫॽADC࠲܏၎‫ܔ‬ড‫้ڦ׊‬क़Lj኱‫ڟ‬ᆓઠူᅃဣଚ ‫ڦ‬ገ࣑ă‫ړ‬AD7266‫ت‬ᇀև‫ۉูݴ‬ఇ๕้Lj‫ాೌأ‬एጚ‫ۉ‬უ ᇸࢅ࣐؋ᅜྔ‫ڦ‬໯ᆶఇె‫ۉ‬ୟ਩ԥ࠲܏ă ැᄲ৊෇և‫ۉูݴ‬ఇ๕LjՂႷሞSCLK‫ڼڦ‬2߲ူইᄂ ኮ ࢫĂ‫ڼ‬10߲ူইᄂኮമ‫ڦ‬ඪᅪ้क़ॽCSՎྺߛ‫ۉ‬ೝLjᅜ ዐ܏ገ࣑ࡗ‫ײ‬Ljස཮35໯๖ăᅃ‫ڋ‬CSሞSCLK‫شُڦ‬੨ా Վྺߛ‫ۉ‬ೝLjഗॲन৊෇և‫ۉูݴ‬ఇ๕LjCSူইᄂ໯ഔ‫ۯ‬ ‫ڦ‬ገ࣑ዕኹLjD OUTA ࢅD OUTB ‫࣮ݓ‬ෙༀăසࡕCSሞ‫ڼ‬2߲ SCLKူইᄂኮമՎྺߛ‫ۉ‬ೝLjሶഗॲධॽ‫ت‬ᇀኟ‫׉‬ఇ๕Lj փࣷ࠲܏ăኄ੗ᅜՆ௨CS၍ฉ‫ڦ‬றِᆅഐᅪྔ࠲܏ă 04603-029 SCLK ᅃ‫ڋ‬ຕ਍‫د‬๼ྜ‫ׯ‬Ljժ൐DOUTAࢅDOUTBᅙ‫࣮ݓ‬ෙༀLjՍ੗ ᅜሞҾৢ้क़tQUIET๝ඁࢫምْॽCSՎྺ‫ۉگ‬ೝLjᅜഔ‫ۯ‬ଷ ᅃْገ࣑DŽ्ยᅙ༵ࠃ໯Ⴔ‫֑ڦ‬ण้क़Džă CS ཮45/ኟ‫׉‬ఇ๕֡ፕ 1 2 10 14 ස‫ز‬ႜথ੨և‫ݴ‬໯ຎLjገ࣑ሞCS‫ူڦ‬ইᄂഔ‫ۯ‬ăྺඓԍഗ ॲ๔ዕ‫ت‬ᇀྜඇฉ‫ۉ‬ጒༀLjCSՂႷԍ‫ۉگ׼‬ೝLj኱‫ڟ‬ሞ ူ ইᄂኮࢫ዁ณࡗඁକ10߲SCLKူইᄂăසࡕሞ‫ڼ‬10߲ SCLKူইᄂኮࢫĂ‫ڼ‬14߲SCLKူইᄂኮമ‫ڦ‬ඪࢆ้क़ॽ CSՎྺߛ‫ۉ‬ೝLjሶഗॲධ඗ԍ‫׼‬ฉ‫ۉ‬ጒༀLj‫ڍ‬ገ࣑ዕኹLj DOUTAࢅDOUTB‫࣮ݓ‬ෙༀăྜ‫ׯ‬ገ࣑ժ‫ݡ‬࿚ገ࣑঳ࡕႴᄲ14 ߲‫ز‬ႜ้ዓዜ೺ă14߲SCLKዜ೺ࡗඁኮࢫLjDOUT၍փࣷ ‫࣮ݓ‬ෙༀLjܸ๟ሞ ምْՎྺߛ‫ۉ‬ೝ้‫࣮ݓ‬ෙༀăසࡕ ‫ڦ‬ ‫ۉگ‬ೝጒༀም‫׼‬Ⴤ2߲SCLKዜ೺DŽ૩ස༵ࠃ16߲SCLKஞ؋ ้DžLjሶຕ਍ኮࢫࣷ๼‫؜‬2߲࿂ໜଭăසࡕ ‫ۉگڦ‬ೝጒༀ ᆼም‫׼‬Ⴤ14DŽई16Dž߲SCLKዜ೺Ljሶઠጲೌฉଷᅃ߲ADC ‫ڦ‬ገ࣑঳ࡕᄺ੗ᅜሞཞᅃDOUT၍ฉ৊ႜ‫ݡ‬࿚Ljස཮42໯๖ DŽ֖९‫ز‬ႜথ੨և‫ݴ‬Džă 32߲SCLKዜ೺ࡗඁኮࢫLjDOUT၍ሞ‫ڼ‬32߲SCLKူইᄂ‫ݓ‬ ࣮ෙༀăසࡕCSሞُኮമՎྺߛ‫ۉ‬ೝLjDOUT၍ॽཞ้‫࣮ݓ‬ ෙༀăᅺُLjঢ়ࡗ32߲SCLKዜ೺ኮࢫLjCS੗ᅜ‫ت‬ᇀ‫ۉگ‬ ೝ੣ှጒༀLj኱‫ڟ‬ሞူᅃْገ࣑മ‫ڦ‬గ้߲क़ምْՎྺߛ ‫ۉ‬ೝDŽසࡕထྭසُDžLjᅺྺጺ၍ධ඗ࣷሞມཚ‫ڢ‬঳ࡕ‫܁‬ ൽྜ‫࣮ݓࢫׯ‬ෙༀă DOUTA DOUTB THREE-STATE 04603-030 SCLK Figure 35. Entering Partial Power-Down Mode ཮46/৊෇և‫ۉูݴ‬ఇ๕ ැᄲཽ‫؜‬ኄዖ߾ፕఇ๕ժ๑AD7266ምْฉ‫ۉ‬LjႴᄲኴႜ ᅃْ࿁ገ࣑ăሞCS‫ူڦ‬ইᄂLjഗॲਸ๔ฉ‫ۉ‬Ljժ൐ኻᄲ CS‫ت‬ᇀ‫ۉگ‬ೝՍीჄฉ‫ۉ‬Lj኱‫ڼڟ‬10߲SCLK‫ူڦ‬ইᄂኮ ࢫă‫ٷ‬ሀঢ়ࡗ1μsࢫLjഗॲྜඇฉ‫ۉ‬Ljူᅃْገ࣑ॽׂิ ᆶၳຕ਍Ljස཮36໯๖ăසࡕ ሞ‫ڼ‬2߲SCLKူইᄂኮമՎ ྺߛ‫ۉ‬ೝLjሶAD7266ምْ৊෇և‫ۉูݴ‬ఇ๕ăኄ੗ᅜՆ ௨CS၍ฉ‫ڦ‬றِᆅഐᅪྔฉ‫ۉ‬ă໚඗ഗॲ੗ᅜሞCS‫ူڦ‬ ইᄂਸ๔ฉ‫ۉ‬Lj‫ڍ‬໲ᆼࣷሞCSฉืᄂ࠲܏ăසࡕAD7266 ᅙঢ়‫ت‬ᇀև‫ۉูݴ‬ఇ๕Ljժ൐CSሞSCLK‫ڼڦ‬2߲ူইᄂᇑ ‫ڼ‬10߲ူইᄂኮक़Վྺߛ‫ۉ‬ೝLjሶഗॲॽ৊෇ඇู‫ۉ‬ఇ ๕ă Rev. A | Page 19 of 28 AD7266  ඇู‫ۉ‬ఇ๕! ‫ ݛ ڦ‬๕ ዐ ܏ ူ ᅃ ߲ ገ ࣑ ዜ ೺ Lj ස ཮37໯ ๖ ă ᅃ ‫ ڋ‬CSሞ SCLK‫شُڦ‬੨ాՎྺߛ‫ۉ‬ೝLjഗॲनྜඇ࠲܏ă൩ጀᅪLj ᅃ‫ڋ‬CSՎྺߛ‫ۉ‬ೝᅜՍ৊෇ู‫ۉ‬ఇ๕LjՍփႴᄲྜ‫ׯ‬14߲ SCLKዜ೺ă ኄዖఇ๕ኼሞᆩᇀ໯Ⴔཾུ໏୲Բև‫ۉูݴ‬ఇ๕ူ‫ུཾڦ‬ ໏୲߸‫ڦگ‬ᆌᆩLjᅺྺٗඇู‫ۉ‬ఇ๕ฉ‫ۉ‬໯Ⴔ‫้ڦ‬क़Բٗ և‫ۉูݴ‬ఇ๕ฉ‫ܠڥ׊ۉ‬ăኄዖఇ๕߸๢ࢇᅜ၎‫ܔ‬ডߛ‫ڦ‬ ཾུ໏୲ኴႜᅃဣଚገ࣑Lj඗ࢫ๟ᅃ܎‫้׊‬क़‫ڦ‬࿮ऄ‫ۯ‬ጒ ༀLj৊ܸഗॲ࠲܏‫ڦ‬ᆌᆩă‫ړ‬AD7266‫ت‬ᇀඇู‫ۉ‬ఇ๕้Lj ໯ᆶఇె‫ۉ‬ୟ਩ԥ࠲܏ă৊෇ඇู‫ۉ‬ఇ๕‫݆ݛڦ‬ᇑ৊෇և ‫ۉูݴ‬ఇ๕၎ຼLjփࡗ཮35໯๖‫้ڦ‬ႾՂႷኴႜଇْăገ ࣑ࡗ‫ײ‬ՂႷᅜૌຼ‫ݛ‬๕ዐ܏LjनሞSCLK‫ڼڦ‬2߲ူইᄂኮ ࢫĂ‫ڼ‬10߲ူইᄂኮമ‫ڦ‬ඪᅪ้क़ॽCSՎྺߛ‫ۉ‬ೝăُ้ ഗॲ৊෇և‫ۉูݴ‬ఇ๕ăᄲ‫ڟٳ‬ඇู‫ۉ‬ጒༀLjՂႷᅜཞᄣ ැᄲཽ‫؜‬ඇู‫ۉ‬ఇ๕ժ๑AD7266ฉ‫ۉ‬LjႴᄲၟٗև‫ۉูݴ‬ ఇ๕ฉ‫ۉ‬ᅃᄣኴႜᅃْ࿁ገ࣑ăሞCS‫ူڦ‬ইᄂLjഗॲਸ๔ ฉ‫ۉ‬Ljժ൐ኻᄲCS‫ت‬ᇀ‫ۉگ‬ೝՍीჄฉ‫ۉ‬Lj኱‫ڼڟ‬10߲ SCLK‫ူڦ‬ইᄂኮࢫăՂႷ‫ڟڪ‬໯Ⴔ‫ڦ‬ฉ‫้ۉ‬क़๝ඁኮࢫLj ֍ీഔ‫ۯ‬ገ࣑Ljස཮38໯๖ă࠲ᇀAD7266‫ڦ‬ฉ‫้ۉ‬क़Lj൩ ֖९ฉ‫้ۉ‬क़և‫ݴ‬ă THE PART IS FULLY POWERED UP; SEE POWER-UP TIMES SECTION. THE PART BEGINS TO POWER UP. tPOWER-UP1 CS 1 10 DOUTA DOUTB 14 1 INVALID DATA 14 04603-031 SCLK VALID DATA ཮36.ཽ‫؜‬և‫ۉูݴ‬ఇ๕ THE PART ENTERS PARTIAL POWER DOWN. THE PART BEGINS TO POWER UP. THE PART ENTERS FULL POWER DOWN. CS DOUTA DOUTB 1 2 10 INVALID DATA 14 THREE-STATE ཮37.৊෇ඇู‫ۉ‬ఇ๕ Rev. A | Page 20 of 28 1 2 10 INVALID DATA 14 THREE-STATE 04603-032 SCLK AD7266  THE PART BEGINS TO POWER UP. THE PART IS FULLY POWERED UP, SEE POWER-UP TIMES SECTION. tPOWER-UP2 CS DOUTA DOUTB 14 10 1 14 1 INVALID DATA 04603-033 SCLK VALID DATA ཮38.ཽ‫؜‬ඇู‫ۉ‬ఇ๕ ᄲٗඇู‫ۉ‬ఇ๕ฉ‫ۉ‬Ljᆌା‫ٗ؜‬CSူইᄂਸ๔‫ٷڦ‬ሀ1.5 ms้क़Ljස཮38‫ڦ‬tPOWER-UP2໯๖ăٗև‫ۉูݴ‬ఇ๕ฉ‫ۉ‬໯ Ⴔ‫้ڦ‬क़ሶ‫ܠڥ܌‬Lj‫ۆ‬႙ኵྺ1μsǗ‫ڍ‬සࡕ๑ᆩాևएጚ‫ۉ‬ უᇸLjሶAD7266ՂႷ‫ت‬ᇀև‫ۉูݴ‬ఇ๕዁ณ67μsLj֍ీ๢ ᆩኄᅃฉ‫้ۉ‬क़ă ‫ړ‬AD7266๯ْথཚ‫ۉ‬ᇸ้LjADC੗ీฉ‫ۉ‬዁ඪᅃዖู‫ۉ‬ ఇ๕ईኟ‫׉‬ఇ๕ăᅺُLjፌࡻ૦ঢ়ᅃ߲࿁ገ࣑ዜ೺Ljᅜඓ ԍഗॲྜඇฉ‫ࢫۉ‬ምኴႜᆶၳገ࣑ăૌຼ‫ں‬Ljසࡕথཚ‫ۉ‬ ᇸࢫထྭഗॲԍ‫׼‬և‫ۉูݴ‬ఇ๕LjሶՂႷഔ‫ۯ‬ଇ߲࿁ገ࣑ ዜ೺ăሞ‫ڼ‬ᅃ߲࿁ገ࣑ዜ೺ዐLjCSՂႷԍ‫ۉگ׼‬ೝLj኱‫ڟ‬ ‫ڼ‬10߲SCLKူইᄂኮࢫDŽ९཮34DžǗCSሞ‫߲ܾڼ‬࿁ገ࣑ ዜ೺ዐLj ՂႷሞ‫ڼ‬2߲SCLKူইᄂኮࢫĂ‫ڼ‬10߲SCLKူই ᄂኮമՎྺߛ‫ۉ‬ೝDŽ९཮35DžăईኁLjසࡕথཚ‫ۉ‬ᇸࢫထ ྭഗॲ‫ت‬ᇀඇู‫ۉ‬ఇ๕LjሶՂႷഔ‫ۯ‬ෙ߲࿁ገ࣑ዜ೺ăሞ ‫ڼ‬ᅃ߲࿁ገ࣑ዜ೺ዐLjCSՂႷԍ‫ۉگ׼‬ೝLj኱‫ڼڟ‬10߲ SCLKူইᄂኮࢫDŽ९཮34DžǗ‫ڼࢅܾڼ‬ෙ߲࿁ገ࣑ዜ೺๑ ഗॲ৊෇ඇู‫ۉ‬ఇ๕DŽ९཮37Džă 40‫ݴ‬՚၂๖କV DD= 3 VࢅVDD = 5 VĂኟ‫߾׉‬ፕఇ๕ူࠀࡼ ᇑཾུ໏୲‫࠲ڦ‬ဣLj߳཮ዐ‫ڦ‬ଇཉ൸၍‫ݴ‬՚‫ܔ‬ᆌᇀᅃ߲ࠦ ۨፌ‫ٷ‬SCLKೕ୲ࢅᅃ߲ᇑ֑ᄣ໏୲‫ׯ‬Բ૩‫ڦ‬SCLKೕ୲ă ཮ዐ‫ڦ‬໯ᆶ൧ႚ਩๑ᆩాևएጚ‫ۉ‬უᇸă 10.0 TA = 25°C 9.5 9.0 8.5 VARIABLE SCLK 8.0 7.5 7.0 24MHz SCLK 6.5 6.0 5.5 5.0 0 200 400 30 1400 TA = 25°C 28 26 POWER (mW) ࠀࡼᇑཾུ໏୲! 1200 ཮39. ኟ‫׉‬ఇ๕ူĂVDD = 3 V้ࠀࡼᇑཾུ໏୲‫࠲ڦ‬ဣ 24 ᅃ‫ڋ‬AD7266থཚ‫ۉ‬ᇸLjՂႷା‫؜‬ፁࠕ‫้ڦ‬क़LjᅜՍྔևए ጚ‫ۉ‬უᇸྜ‫ׯ‬ฉ‫ۉ‬Ljᅜत߳ዖएጚᇸ࣐؋ඁ᳘‫ۉ‬ඹ؊‫ۉ‬዁ ፌዕኵă 600 800 1000 THROUGHPUT (kSPS) 04603-045 ฉ࿔ၘဦ௮ຎକAD7266‫ڦ‬ଇዖู‫ۉ‬ఇ๕ǖև‫ۉูݴ‬ఇ๕ࢅ ඇู‫ۉ‬ఇ๕ăԨև‫ݴ‬ຫ௽ཽ‫؜‬ኄၵఇ๕໯Ⴔ‫ڦ‬ฉ‫้ۉ‬क़ă ᆌ‫ړ‬ጀᅪLjԨև‫ݴ‬໯ຎฉ‫้ۉ‬क़‫ڦ‬๢ᆩཉॲ๟D CAP Aࢅ DCAPBᆅগฉ‫ݣ‬ዃᆶླྀ४‫ۉڦ‬ඹă POWER (mW) ฉ‫้ۉ‬क़! VARIABLE SCLK 22 20 32MHz SCLK 18 16 14 12 10 0 200 400 600 800 1000 1200 1400 1600 1800 2000 THROUGHPUT (kSPS) 04603-046 AD7266‫ࡼࠀڦ‬ໜཾུ໏୲ܸՎࣅă‫ړ‬๑ᆩ‫ུཾڦگ׉ݥ‬໏ ୲ࢅ৑੗ీߛ‫ڦ‬SCLKೕ୲้Lj੗ᅜ૧ᆩ߳ዖู‫ۉ‬჋ၜ၂ዸ ই‫ࡼࠀگ‬ă‫ڍ‬๟LjAD7266‫ৢڦ‬ༀ‫گ׉ݥୁۉ‬Ljन๑փ๑ᆩ ໏୲‫ڦ‬Վࣅܸ݀ิ௽၂Վࣅă࿮ஃ๑ᆩࠦۨ‫ڦ‬SCLKኵLj࣏ ๟๑ᆩᇑ֑ᄣ໏୲‫ׯ‬Բ૩‫ڦ‬SCLKኵLj਩๟සُă཮39ࢅ཮ ཮51/!ኟ‫׉‬ఇ๕ူĂWEE !>!6!W้ࠀࡼᇑཾུ໏୲‫࠲ڦ‬ဣ Rev. A | Page 21 of 28 AD7266 ‫ز‬ႜথ੨ ཮41ߴ‫؜‬କAD7266‫ز‬ႜথ੨‫ၘڦ‬ဦ้Ⴞ཮ă‫ز‬ႜ้ዓ༵ࠃ ገ้࣑ዓLjժሞገ࣑೺क़੦዆ઠጲAD7266‫ڦ‬႑တ‫د‬๼ă ኴႜገ࣑ࡗ‫ײ‬ժሞAD7266‫ڦ‬ඪᅃຕ਍၍ฉइൽᅃْገ࣑‫ڦ‬ ຕ਍዁ณႴᄲ14߲‫ز‬ႜ้ዓዜ೺ăCSՎྺ‫ۉگ‬ೝLjᅜ༵ࠃ ྲ੦዆ഗईDSPႴ‫܁‬ൽ‫ڦ‬മ‫ڞ‬ଭăᇆူ‫ڦ‬ຕ਍ሶሞໜࢫ‫ڦ‬ SCLKူইᄂደ߲๼‫؜‬Ljٗ‫߲ܾڼ‬മ‫ڞ‬ଭਸ๔ăᅺُLjሞ‫ز‬ ႜ้ዓ‫ڼڦ‬ᅃ߲ူইᄂփৈ༵ࣷࠃമ‫ڞ‬ଭLjܸ൐ࣷ๼‫ڼ؜‬ ܾ߲മ‫ڞ‬ଭă඗ࢫ๼‫؜‬12࿋঳ࡕLjຕ਍‫د‬๼ዐ‫ڦ‬ፌࢫᅃ࿋ ሞ‫ڼ‬14߲ူইᄂᆶၳLjሞമᅃ߲DŽ‫ڼ‬13߲Džူইᄂ๼‫؜‬ă ሞSCLKড஥‫ڦ‬ᆌᆩዐLj੗ᅜሞ߳SCLKฉืᄂ‫܁‬ൽຕ਍Lj ਏ༹๫SCLKೕ୲ܸۨăሞCSူইᄂኮࢫ‫ڼڦ‬ᅃ߲SCLKฉ ืᄂLj੗༵ࠃ‫߲ܾڼ‬മ‫ڞ‬ଭǗሞ‫ڼ‬13߲SCLKฉืᄂLj੗༵ ࠃDB0ă ൩ጀᅪLjසࡕSCLKኵ࢔ߛLjᅺܸSCLKዜ೺࢔‫܌‬Ljሶྺକ ༵ࠃፁࠕ‫้ڦ‬क़t2Lj‫ڼ‬ᅃ߲SCLKူইᄂኮമ੗ᅜ‫؜‬၄ᅃ߲ SCLKฉืᄂă৽Ԩև‫้ڦݴ‬Ⴞ௮ຎܸჾLj੗ᅜࢮ୼޿ SCLKฉืᄂăසࡕᅃ߲SCLKူইᄂᇑCSူইᄂዘࢇLjሶ AD7266փࣷᆌ‫޿ٴ‬SCLKူইᄂLjူᅃ߲SCLKူইᄂ֍๟ ူইᄂኮࢫऻ୤‫ڼڦ‬ᅃ߲SCLKူইᄂă CS႑ࡽഔ‫ۯ‬ຕ਍‫د‬๼ࢅገ࣑ࡗ‫ײ‬ăCSူইᄂॽ֑ᄣԍ‫׼‬ഗ ዃᇀԍ‫׼‬ఇ๕Ljཞ้ഗॲ‫ܔ‬ఇె๼෇৊ႜ֑ᄣLjጺ၍ྃ૗ ෙༀăገ࣑ᄺሞُ้ഔ‫ۯ‬Lj዁ณႴᄲ14߲SCLK֍ీྜ‫ׯ‬ă 13߲SCLKူইᄂࡗඁኮࢫLj֑ᄣԍ‫׼‬ഗሞူᅃ߲SCLKฉ ืᄂ‫߶࣮ݓ‬ጷఇ๕Ljස཮41‫ڦ‬B‫ۅ‬໯๖ăසࡕ๑ᆩ16߲ SCLK৊ႜ‫د‬๼Ljሶፌࢫᅃ߲LSBኮࢫࣷ‫؜‬၄2߲࿂ໜଭă ሞCSฉืᄂLjገ࣑ዕኹLjDOUTAࢅDOUTB‫࣮ݓ‬ෙༀăසࡕሞ DOUTAฉথူઠ‫ڦ‬14DŽई16Dž߲SCLKዜ೺LjCS࿄Վྺߛ‫ۉ‬ ೝLjܸ๟ԍ‫ۉگ׼‬ೝLjሶઠጲገ࣑B‫ڦ‬ຕ਍ॽሞDOUTAฉ๼ ‫؜‬DŽ඗ࢫ๼‫؜‬2߲࿂ໜଭDžă ཞᄣLjසࡕሞDOUTBฉথူઠ‫ڦ‬14DŽई16Dž߲SCLKዜ೺Lj CSԍ‫ۉگ׼‬ೝLjሶઠጲገ࣑A‫ڦ‬ຕ਍ॽሞDOUTBฉ๼‫؜‬ă ཮42၂๖କኍ‫ܔ‬DOUTA‫ڦ‬൧ႚăԨ૩ዐLj๑ᆩዐ‫ڦ‬DOUT ၍ሞ‫ڼ‬32߲SCLKူইᄂईCSฉืᄂDŽᅜፌံ‫؜‬၄ኁྺ ጚDž‫࣮ݓ‬ෙༀă CS t9 t6 1 3 2 4 t3 DOUTA 0 DB11 0 DOUTB THREESTATE 2 LEADING ZEROS B 5 t4 DB10 13 t5 t7 DB9 DB2 DB8 tQUIET t8 DB1 DB0 04603-034 t2 SCLK THREE-STATE ཮41. ‫ز‬ႜথ੨้Ⴞ཮ CS t6 3 2 1 4 5 14 16 15 32 17 t5 t3 DOUTA t4 0 ZERO DB11A THREESTATE 2 LEADING ZEROS DB10A DB9A t10 t7 ZERO ZERO ZERO ZERO 2 TRAILING ZEROS 2 LEADING ZEROS DB11B ZERO ཮42. ૧ᆩ32߲SCLKዜ೺ሞᅃཉDOUT၍ฉ‫܁‬ൽઠጲଇ߲ADC‫ڦ‬ຕ਍ Rev. A | Page 22 of 28 ZERO 2 TRAILING ZEROS THREESTATE 04603-035 t2 SCLK AD7266 ྲ‫ت‬૙ഗথ੨! ཚࡗAD7266‫زڦ‬ႜথ੨Lj੗ᅜॽ໲ᇑႹ‫ܠ‬փཞ‫تྲڦ‬૙ഗ ၎૶ăԨև‫ݴ‬ຫ௽සࢆ૧ᆩ‫ز‬ႜথ੨ၹᅱํ၄AD7266ᇑᅃ ၵ‫׉‬९ྲ੦዆ഗࢅDSP‫ڦ‬থ੨ă AD7266থ੨ADSP-218x ADSP-218xဣଚDSP੗ᅜ኱থᇑAD7266থ੨Lj࿮Ⴔඪࢆঌ ૶இडăAD7266‫ڦ‬VDRIVEᆅগ֑ᆩᇑADSP-218x၎ཞ‫ڦ‬ ‫ۉ‬ᇸ‫ۉ‬უăᅺُLjසࡕႴᄲLjADC‫߾ڦ‬ፕ‫ۉ‬უ੗ᅜߛᇀഄ ‫ز‬ႜথ੨‫ۉ‬უࢅADSP-218x‫߾ڦ‬ፕ‫ۉ‬უăԨ૩၂๖AD7266 ‫ ڦ‬D OUT Aࢅ D OUT B૶ থ ‫ ڟ‬ADSP-218x‫ ڦ‬ଇ ߲ ‫ ز‬ႜ ‫ ܋‬੨ ă SPORT0ࢅSPORT1੦዆स٪ഗᆌӀቷ՗7ࢅ՗8໯๖৊ႜย ዃă ૶থ཮ස཮43໯๖ăSPORT0‫ڦ‬TFS0ࢅRFS0ᇑSPORT1‫ڦ‬ RFS1၎૶ăTFS0ยྺ๼‫؜‬LjRFS0ࢅRFS1਩ยྺ๼෇ăDSP ᅜ঍༺ኡ‫د‬๼ఇ๕߾ፕLjSPORT੦዆स٪ഗӀቷฉ՗৊ႜ ยዃăTFSฉׂิ‫ڦ‬ኡཞօ႑ࡽ૶‫ڟ‬CSLjܸ൐ၟ໯ᆶ႑ࡽ ‫ت‬૙ᆌᆩᅃᄣLjᄲ൱֑ᆩ‫ڪ‬ਐ֑ᄣă‫ڍ‬ሞԨ૩ዐLj้ۨഗ ዐ܏ᆩᇀ੦዆ADC‫֑ڦ‬ᄣ໏୲Ljగၵ൧઄ူ੗ీ࿮݆ํ၄ ‫ڪ‬ਐ֑ᄣă AD72661 ADSP-218x1 SCLK SCLK1 CS ՗7. SPORT0੦዆स٪ഗยዃ ISCLK = 1 TFSR = RFSR = 1 IRFS = 0 ITFS = 1 RFS0 RFS1 ௮ຎ ঍༺ኡ‫د‬๼ ‫ۉگ‬ೝᆶၳኡ႑ࡽ ᆸ‫ܔ‬ഋຕ਍ 16࿋ຕ਍ጴDŽईኁยྺ1101Lj ՗๖14࿋ຕ਍ጴDž ాև‫ز‬ႜ้ዓ ௅߲ጴᅃኡ ISCLK = 0 TFSR = RFSR = 1 IRFS = 0 ITFS = 1 DOUTA DR0 DOUTB DR1 VDRIVE VDD 1ADDITIONAL PINS OMITTED FOR CLARITY. ཮43. AD7266ᇑADSP-218xথ੨ ้ۨഗस٪ഗዐሜ෇ᅃ߲ኵLjܸٗᅜᄲ൱‫֑ڦ‬ᄣक़༵߰ࠃ ዐ܏ă‫ړ‬๭‫ڟ‬ዐ܏้LjࣷཚࡗTFS/DTDŽADC੦዆ጴDž‫د‬ ๼ᅃ߲ኵăTFSᆩᇀ੦዆RFSLjᅺܸᄺ੦዆ຕ਍‫܁‬ൽă‫ز‬ႜ ้ዓ‫ڦ‬ೕ୲ᆯSCLKDIVस٪ഗ੦዆ă‫؜݀ړ‬ཚࡗTFS৊ႜ ‫د‬๼‫ڦ‬ኸସ้(AX0 = TX0)LjࣷॠֱSCLK‫ڦ‬ጒༀăDSP‫ڟڪ‬ SCLKՎߛĂՎ‫گ‬ĂምՎߛኮࢫLj֍ਸ๔‫د‬๼ăසࡕ໯჋‫ڦ‬ ้ۨഗࢅSCLKኵ๑‫دڥ‬๼ኸସ‫؜‬၄ሞSCLKฉืᄂฉईഄ ޹ৎLjሶຕ਍੗ీࣷԥ‫د‬๼Ljᄺ੗ీႴᄲ‫ူڟڪ‬ᅃ้߲ዓ ᄂă ՗8. SPORT1੦዆स٪ഗยዃ ยዃ TFSW = RFSW = 1 INVRFS = INVTFS = 1 DTYPE = 00 SLEN = 1111 TFS0 04603-036 ยዃ TFSW = RFSW = 1 INVRFS = INVTFS = 1 DTYPE = 00 SLEN = 1111 SCLK0 ௮ຎ ঍༺ኡ‫د‬๼ ‫ۉگ‬ೝᆶၳኡ႑ࡽ ᆸ‫ܔ‬ഋຕ਍ 16࿋ຕ਍ጴDŽईኁยྺ1101Lj ՗๖14࿋ຕ਍ጴDž ྔև‫ز‬ႜ้ዓ ௅߲ጴᅃኡ ྺํ၄ู‫ۉ‬ఇ๕LjSLENᆌยྺ1001Ljᅜ݀‫؜‬ᅃ߲8࿋SCLK ஞ؋ă ૩සLjADSP-2111‫ڦ‬ዷ้ዓೕ୲ྺ16 MHzăසࡕSCLKDIV स٪ഗ‫ڦ‬ኵྺ3Ljሶॽइ‫ڥ‬2 MHz‫ڦ‬SCLKLjन௅8߲ዷ้ዓ ዜ೺ׂิ1߲SCLKዜ೺ăසࡕ้ۨഗस٪ഗ‫ڦ‬ኵྺ803Ljሶ ଇْዐ܏ኮक़Ljᄺ৽๟ଇ߲‫د‬๼ኸସኮक़ࣷ݀ิ100.5߲ SCLKዜ೺ăኄዖ൧ႚॽ࿮݆ํ၄‫ڪ‬ਐ֑ᄣLjᅺྺ‫د‬๼ኸସ ‫؜‬၄ሞSCLKՉᄂăසࡕଇْዐ܏ኮक़‫ڦ‬SCLKຕྺኝຕ NLjሶDSP੗ᅜํ၄‫ڪ‬ਐ֑ᄣă Rev. A | Page 23 of 28 AD7266  AD7266থ੨ADSP-BF53x AD7266থ੨TMS320C541 ADSP-BF53xဣଚDSP੗ᅜ኱থᇑAD7266থ੨Lj࿮Ⴔඪࢆ ঌ૶இडăBlackfin®DSP‫زڦ‬ႜ‫܋‬੨ᆶଇ߲থ๭स٪ഗLj ᅺُኻႴᅃ߲‫ز‬ႜ‫܋‬੨Ս੗ཞ้‫܁‬ൽଇ߲DOUTᆅগă཮44 ၂๖AD7266‫ڦ‬DOUTAࢅDOUTB૶থ‫ڟ‬ADSP-BF53x‫زڦ‬ႜ‫܋‬ ੨0ăSPORT0থ๭ದዃ1स٪ഗࢅSPORT0থ๭ದዃ2स٪ ഗᆌӀቷ՗9ࢅ՗10໯๖৊ႜยዃă TMS320C541‫زڦ‬ႜথ੨૧ᆩ૶Ⴤ‫ز‬ႜ้ዓࢅኡཞօ႑ࡽ ཞօᇑAD7266‫ྔڪ‬ย‫ڦ‬ຕ਍‫د‬๼֡ፕăཚࡗCS๼෇੗ൟ ຿ํ၄TMS320C541ᇑAD7266‫ڦ‬থ੨Lj࿮Ⴔඪࢆঌ૶இ डăTMS320C541‫زڦ‬ႜ‫܋‬੨ยዃྺ૧ᆩాևCLKX0)‫ز‬ႜ ‫܋‬੨0ฉ‫ڦ‬TX‫ز‬ႜ้ዓ*ࢅFSX0)ઠጲ‫ز‬ႜ‫܋‬੨0‫ڦ‬TXኡཞօ ႑ࡽ*ሞ཭݀ఇ๕ူ߾ፕă‫ز‬ႜ‫܋‬੨੦዆स٪ഗ(SPC)ՂႷ ਏᆶසူยዃă SERIAL DEVICE A (PRIMARY) ADSP-BF53x1 DOUTA DR0PRI SCLK RCLK0 CS DOUTB VDRIVE SPC SPC0 SPC1 RFS0 DR0SEC PINS OMITTED FOR CLARITY. FO 0 0 FSM 1 1 MCM 1 0 TXM 1 0 ߭๕࿋FO੗ยྺ1Ljᅜॽጴ‫׊‬ยྺ8࿋Ljܸٗํ၄AD7266 ‫ۉูڦ‬ఇ๕ă SERIAL DEVICE B (SECONDARY) VDD 1ADDITIONAL ՗11. ‫ز‬ႜ‫܋‬੨੦዆स٪ഗยዃ SPORT0 04603-037 AD72661 ཮44. AD7266ᇑADSP-BF53xথ੨ ૶থ཮ස཮45໯๖ă‫ܔ‬ᇀ႑ࡽ‫ت‬૙ᆌᆩLjઠጲTMS320C541 ‫ڦ‬ኡཞօ႑ࡽՂႷ༵ࠃ‫ڪ‬ਐ֑ᄣăAD7266‫ڦ‬VDRIVEᆅগ ֑ᆩᇑTMS320C541၎ཞ‫ۉڦ‬ᇸ‫ۉ‬უăᅺُLjසࡕႴᄲLj ADC‫߾ڦ‬ፕ‫ۉ‬უ੗ᅜߛᇀഄ‫ز‬ႜথ੨‫ۉ‬უࢅTMS320C541 ‫߾ڦ‬ፕ‫ۉ‬უă ՗9. SPORT0থ๭ದዃ1स٪ഗ(SPORT0_RCR1) ยዃ RCKFE = 1 LRFS = 1 RFSR = 1 IRFS = 1 RLSBIT = 0 RDTYPE = 00 IRCLK = 1 RSPEN = 1 SLEN = 1111 ௮ຎ ሞRSCLKူইᄂ֑णຕ਍ ‫ۉگ‬ೝᆶၳኡ႑ࡽ ௅߲ጴᅃኡ ๑ᆩాևRFS ๯ံথ๭MSB ག؊0 ాևথ๭้ዓ থ๭๑ీ 16࿋ຕ਍ጴDŽईኁยྺ1101Lj ՗๖14࿋ຕ਍ጴDž AD72661 TMS320C5411 SCLK CLKX0 CLKR0 CLKX1 CLKR1 DOUTA DR0 DOUTB DR1 CS FSX0 FSR0 VDRIVE FSR1 VDD 1ADDITIONAL PINS OMITTED FOR CLARITY. ՗10. SPORT0থ๭ದዃ2स٪ഗ(SPORT0_RCR2) ยዃ RXSE = 1 SLEN = 1111 ཮45. AD7266ᇑTMS320C541থ੨ ௮ຎ ْप‫܋‬๑ీ 16࿋ຕ਍ጴDŽईኁยྺ1101Lj ՗๖14࿋ຕ਍ጴDž ྺํ၄ู‫ۉ‬ఇ๕LjSLENᆌยྺ1001Ljᅜ݀‫؜‬ᅃ߲8࿋SCLKஞ ؋ăAD7266‫ڦ‬Blackfinൻ‫ײۯ‬Ⴞ੗ٗwww.analog.comူሜă Rev. A | Page 24 of 28 04603-038 TFSR = RFSR = 1 AD7266  ཮ 46ዐ ‫ ૶ ڦ‬থ ཮ ၂ ๖ AD7266ස ࢆ ૶ থ ‫ ڟ‬Motorola DSP563xxဣଚDSP‫ڦ‬ESSIDŽཞօ‫ز‬ႜথ੨Džăᆶଇ߲ೌฉ ESSILj਩ᅜཞօఇ๕߾ፕDŽCRBस٪ഗ‫ڦ‬࿋SYN = 1DžLjా ևׂิ‫ڦ‬ጴ‫׊‬ኡཞօ႑ࡽཞ้ᆩᇀTXࢅRXDŽCRB‫ڦ‬࿋ FSL1 = 0Ă࿋FSL0 = 0Džă AD7266‫ڦ‬VDRIVEᆅগ֑ᆩᇑDSP563xx၎ཞ‫ۉڦ‬ᇸ‫ۉ‬უă ᅺُLjසࡕႴᄲLjADC‫߾ڦ‬ፕ‫ۉ‬უ੗ᅜߛᇀഄ‫ز‬ႜথ੨‫ۉ‬ უࢅDSP563xx‫߾ڦ‬ፕ‫ۉ‬უă AD72661 ยዃCRBዐ‫ڦ‬࿋MOD = 0Lj੗჋ስESSI‫ڦ‬ኟ‫߾׉‬ፕఇ๕ă ยዃCRAዐ‫ڦ‬࿋WL1 = 1൐࿋WL0 = 0Lj੗ॽጴ‫׊‬ยྺ16 ࿋ă ྺํ၄AD7266‫ۉูڦ‬ఇ๕Lj੗ยዃCRAዐ‫ڦ‬࿋WL1 = 0൐ ࿋WL0 = 0Ljᅜॽጴ‫׊‬Վྺ8࿋ăCRBዐ‫ڦ‬࿋FSPᆌยྺ1Lj ๑ኡཞօྺ޶ă‫ܔ‬ᇀ႑ࡽ‫ت‬૙ᆌᆩLjઠጲDSP563xx‫ڦ‬ኡཞ օ႑ࡽՂႷ༵ࠃ‫ڪ‬ਐ֑ᄣă DSP563xx1 SCLK SCK0 DOUTA SRD0 DOUTB SRD1 SCK1 CS SC02 VDRIVE SC12 VDD 1ADDITIONAL ሞ཮46໯๖૩ጱዐLj‫ز‬ႜ้ዓٗESSI0इ‫ڥ‬LjᅺُSCK0 ᆅগՂႷยྺ๼‫(؜‬SCKD = 1)LjܸSCK1ᆅগሶยྺ๼෇ (SCKD = 0)ăኡཞօ႑ࡽٗESSI0ฉ‫ڦ‬SC02इ‫ڥ‬LjSCD2 = 1LjܸሞESSI1ฉLjSCD2 = 0ǗᅺُLjSC12ದዃྺ๼෇ă Rev. A | Page 25 of 28 PINS OMITTED FOR CLARITY. ཮46. AD7266ᇑDSP563xxথ੨ 04603-039 AD7266থ੨DSP563xx AD7266  ᆌᆩႷኪ থ‫ࢅں‬քਆ! ྺॽఇెև‫ݴ‬ᇑຕጴև‫ݴ‬ኮक़‫ڦ‬᳘ࢇই዁ፌ‫گ‬LjAD7266‫ڦ‬ ఇె‫ۉ‬ᇸࢅຕጴ‫ۉ‬ᇸԵُ‫܀‬૬Lj߳ᆶ‫ڦ܀ڇ‬ᆅগಇଚă AD7266໯ሞ‫ڦ‬ᆇຘ‫ۉ‬ୟӱ(PCB)ᆌ֑ᆩఇెև‫ݴ‬ᇑຕጴև ‫ݴݴ‬૗ยऺLjժ၌዆ሞ‫ۉ‬ୟӱ‫ڦ‬ᅃۨ൶ᇘాăኄዖยऺՍ ᇀ๑ᆩথ‫֫ں‬ժඟ໲்ᅟᇀ‫ݴ‬૗ă ྺํ၄ፌॅೡԸLjথ‫֫ں‬ᅃӯᆌ৑ଉณ֑ᆩ์ਗ਼रຍă AD7266‫ڦ‬໯ᆶෙ߲AGNDᆅগ‫ۼ‬ᆌူ‫ڟק‬AGND֫ăຕጴ ‫ࢅ֫ں‬ఇె‫֫ں‬ᆌ‫૶ۅڇ‬থăසࡕAD7266ဣཥాᆶ‫߲ܠ‬ഗ ॲᄲ൱AGND૶‫ڟ‬DGNDLjධᆌॕ‫ۅڇ׼‬থ‫ں‬Ljӝথ‫ۅں‬ ‫ݣ‬ዃሞ৑੗ీ੍ৎAD7266থ‫ں‬ᆅগ‫ڦ‬ᅃ߲႓႙থ‫ۅں‬ă ᆌՆ௨ሞഗॲူ‫ݛ‬քยຕጴ၍ୟLj‫ޏ‬ሶࣷॽሯำ᳘ࢇ዁ႊ ೌăփࡗLjᆌሎႹఇెথ‫֫ں‬քยሞAD7266ူ‫ݛ‬LjᅜՆ௨ ሯำ᳘ࢇăAD7266‫ۉڦ‬ᇸ၍ୟᆌ֑ᆩ৑੗ీ੻‫ڦ‬ጽ၍Ljᅜ ༵ࠃ‫گ‬ፆੇୟ০Ljժ३ၭ‫ۉ‬ᇸ၍ୟฉ‫ڦ‬றِሯำၳᆌă ྺՆ௨ၠ‫ۉ‬ୟӱฉ‫ڦ‬ഄ໲և‫ޖݴ‬พሯำLj้ዓ‫੺ڪ‬໏ਸ࠲ ႑ࡽᆌ૧ᆩຕጴ‫ں‬ೡԸഐઠLjժ൐้ዓ႑ࡽਨփᆌ੍ৎఇ ె๼෇ăՆ௨ຕጴ႑ࡽᇑఇె႑ࡽ঍۠ăྺ३ၭ‫ۉ‬ୟӱా ‫ڦ‬ઍཚၳᆌLj‫ۉ‬ୟӱ၎‫ݒ‬ଇ֨ฉ‫ڦ‬ጽ၍ᆌԵُ‫ؽ‬኱ăྲ‫ټ‬ ၍रຍ๟ፌॅ‫݆ݛ‬Lj‫ڍ‬ኄዖरຍ‫ܔ‬ᇀມ௬‫ۉ‬ୟӱ࿄Ղጺ๟ ੗ႜă֑ᆩኄዖरຍ้Lj‫ۉ‬ୟӱ‫ڦ‬ᇮॲ֨ጆᆩᇀথ‫֫ں‬Lj ႑ࡽጽ၍ሶքยሞࡰথ֨ă ଆࡻ‫ڦ‬ඁ᳘ᄺ࢔ዘᄲăᆌॽ10 μF᮳‫ۉ‬ඹᇑ0.1 μF༩ٍ‫ۉ‬ඹ ժ૴Lj‫ܔ‬໯ᆶఇె‫ۉ‬ᇸඁ᳘‫ڟ‬GNDăྺ๑ኄၵඁ᳘ᇮॲํ ၄ፌॅၳࡕLjՂႷ๑ഄ৑੗ీ੍ৎഗॲLjፌࡻ๟৆ཌྷഗॲă 0.1μF‫ۉ‬ඹᆌਏᆶ‫گ‬ᆶၳ‫ۉ૴ز‬ፆ૩ස೵ཚ༩ٍ႙ई՗ཌྷ ႙ăኄዖ‫گ‬ESRࢅESI‫ۉ‬ඹ੗ሞߛೕ้༵ࠃ‫گ‬ፆੇথ‫ں‬ୟ ০LjᅜՍ‫ت‬૙ాևஇडਸ࠲໯ᆅഐ‫ڦ‬ຨༀ‫ୁۉ‬ă LFCSPӲԨPCBยऺኸళ ႊೌप‫ހ‬ጎ(CP-32-3)ฉ‫ࡰڦ‬ಎྺ‫ݛ‬ႚăPCBࡰಎᆌԲ‫ހ‬ጎ ࡰಎ‫׊‬0.1 mmLj੻0.05 mmLjܸٗԓ୞‫ހ‬ጎࡰಎ‫ڦ‬ᅃև‫ݴ‬ă ྺඓԍࡰ‫ۅ‬ፌ‫ٷ‬Lj‫ހ‬ጎࡰಎᆌ࿋ᇀᆅগࡰಎዐᄕă ႊೌप‫ހ‬ጎ‫ڹڦ‬ևᆶᅃ߲ොඤ‫ۈ‬ăPCB‫ڦ‬ොඤ‫ۈ‬዁ณᆌᇑ ஋୞ࡰಎᅃᄣ‫ٷ‬ăሞPCBฉLjොඤ‫ۈ‬ᇑࡰಎ཮ႚాՉ‫ڦ‬क़ ਐ዁ณᆌྺ0.25 mmLjᅜඓԍփࣷ݀ิ‫܌‬ୟă ྺ߀฀‫ހ‬ጎ‫ڦ‬ඤႠీLjPCBᆌ๑ᆩොඤཚ੥Ljժ൐ොඤཚ ੥ᆌᇑොඤ‫ྺࢇۈ‬ᅃ༹Ljक़ਐྺ1.2 mmăཚ੥኱০ᆌሞ0.3 mm዁0.33 mmኮक़Ljཚ੥࠶ᆌ‫܆‬ᅜ1Ӈິ‫ڦ‬ཟLjᅜ‫܂‬ዿཚ ੥ăᆩࢽᆌॽPCBොඤ‫ڟ૶ۈ‬AGNDă AD7266Ⴀీೠࠚ ೠࠚӱ࿔‫ڗ‬௮ຎକAD7266‫ླྀڦ‬४քਆăೠࠚӱ༫ॲԈઔጎ ದྜ฀൐ঢ়ࡗ֪๬‫ڦ‬ೠࠚӱĂ࿔‫ڗ‬ᅜतᆩᇀٗPCཚࡗೠࠚ ӱ੦዆ഗ੦዆ೠࠚӱ‫ॲ෉ڦ‬ăೠࠚӱ੦዆ഗ੗ᅜದࢇ AD7266ೠࠚӱत‫ټ‬CBՔኾࢫጘ‫ڦ‬ഄ໲Ⴙ‫ܠ‬ADIೠࠚӱ๑ ᆩLjᅜᄇ๖ࢅೠࠚAD7266‫ڦ‬঍ୁࢅ኱ୁႠీă ᆩࢽ੗ᅜ૧ᆩ෉ॲ‫ܔ‬AD7266ኴႜ঍ୁDŽ੺໏‫ޱ‬૛ᄾՎ࣑Dž ࢅ኱ୁDŽஓጴ኱‫཮ݛ‬Dž֪๬ă෉ॲࢅ࿔‫ڗ‬࿋ᇀໜೠࠚӱ༵ ࠃ‫ڦ‬CDฉă Rev. A | Page 26 of 28 AD7266  ྔႚ؅٫ 0.60 MAX 5.00 BSC SQ 0.60 MAX PIN 1 INDICATOR 25 24 PIN 1 INDICATOR TOP VIEW 0.50 BSC 4.75 BSC SQ 1 3.25 3.10 SQ 2.95 EXPOSED PAD (BOTTOM VIEW) 0.50 0.40 0.30 17 16 9 8 0.25 MIN 3.50 REF 0.80 MAX 0.65 TYP 12° MAX 1.00 0.85 0.80 32 0.05 MAX 0.02 NOM SEATING PLANE 0.30 0.23 0.18 COPLANARITY 0.08 0.20 REF COMPLIANT TO JEDEC STANDARDS MO-220-VHHD-2 ཮47. 32ᆅগLFCSP_VQ‫ހ‬ጎLj5 mm x 5 mm‫ג‬ԋ༹(CP-32-2)Lj؅٫‫ڇ‬࿋ǖmm 0.75 0.60 0.45 1.20 MAX 9.00 BSC SQ 25 32 24 1 PIN 1 7.00 BSC SQ TOP VIEW 0.15 0.05 (PINS DOWN) 0° MIN 1.05 1.00 0.95 0.20 0.09 7° 3.5° 0° 0.08 MAX COPLANARITY SEATING PLANE 17 8 9 VIEW A VIEW A 0.80 BSC LEAD PITCH ROTATED 90° CCW 16 0.45 0.37 0.30 COMPLIANT TO JEDEC STANDARDS MS-026ABA ཮48. 32ᆅগTQFP‫ހ‬ጎ(SU-32-2)Lj؅٫‫ڇ‬࿋ǖmm ۩ࠔኸళ ႙ࡽ AD7266BCP AD7266BCPZ 1 AD7266BCPZ-REEL71 AD7266BCPZ-REEL1 AD7266BSUZ1 AD7266BSUZ-REEL71 AD7266BSUZ-REEL1 EVAL-AD7266CB 2 EVAL-CONTROL BRD2 3 1 2 3 ࿒‫ྷݔ܈‬ –40°C዁ +125°C –40°C ዁ +125°C –40°C ዁ +125°C –40°C ዁ +125°C –40°C ዁ +125°C –40°C ዁ +125°C –40°C ዁+125°C ‫ހ‬ጎ௮ຎ 32ᆅগLFCSP_VQ 32ᆅগLFCSP_VQ 32ᆅগLFCSP_VQ 32ᆅগLFCSP_VQ 32ᆅগTQFP 32ᆅগTQFP 32ᆅগTQFP ೠࠚӱ ੦዆ӱ ‫ހ‬ጎ჋ၜ CP-32-2 CP-32-2 CP-32-2 CP-32-2 SU-32-2 SU-32-2 SU-32-2 Z = ࿮തഗॲă ُӱ੗‫܀ڇ‬ᆩፕೠࠚӱLjईᇑEVAL-CONTROLӱದࢇᆩᇀೠࠚ/ᄇ๖ă ُӱ๟߲ྜኝ‫ڇ‬ᇮLjሎႹPC‫ܔ‬໯ᆶ‫ټ‬CBՔኾࢫጘ‫ڦ‬ADIೠࠚӱ৊ႜ੦዆ժᇑኮཚ႑ăᄲ۩ࠔྜኝ‫ڦ‬ೠࠚ༫ॲLjՂႷ۩ࠔኸۨ‫ڦ‬ADCೠࠚӱ DŽසEVAL-AD7266CBDžĂEVAL-CONTROL BRD2ࢅᅃ߲12V঍ୁ๼‫؜‬Վუഗă߸‫ၘܠ‬൧൩९၎࠲ೠࠚӱ‫ڦ‬रຍԴऻă Rev. A | Page 27 of 28 AD7266  ጀ๥ ©2006 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D04603-0-11/06(A) Rev. A | Page 28 of 28