AD7656YSTZ-1-RL

༬Ⴀ ᇑAD7656/AD7657/AD7658ᆅগग़ඹĂ෉ॲग़ඹLj ! ඁ᳘ᄲ൱ই‫گ‬ 6߲‫܀‬૬ADC ኈມटႠఇె๼෇ ᆅগ/෉ॲ੗჋‫ྷݔ‬ǖ±10 Vñ5 V ߛཾུ໏୲ǖ250 kSPS iCMOS߾ᅝरຍ ‫ࡼࠀگ‬ 140 mWDŽ250 kSPSLj5 V‫ۉ‬ᇸDž ߛੇሯႠీLj੻‫੻ټ‬ ႑ሯԲ(SNR)88 dBDŽ๼෇ೕ୲10 kHz้Dž ೌాएጚ‫ۉ‬უत࣐؋ ߛ໏ժႜĂ‫ز‬ႜࢅਅࢾ૾থ੨ఇ๕ ߛ໏‫ز‬ႜথ੨ SPI/QSPI™/MICROWIRE™/DSPग़ඹ ‫ځ‬ऐఇ๕ǖፌ‫ٷ‬315 μW 64ᆅগLQFP‫ހ‬ጎ ᆌᆩ ࠀీ઀཮ CONVST A CONVST B CONVST C AVCC DVCC VDD REF CLK OSC CS SER/PAR SEL VDRIVE CONTROL LOGIC STBY BUF V1 T/H 16-/14-/ 12-BIT SAR V2 T/H 16-/14-/ 12-BIT SAR OUTPUT DRIVERS DB8/DOUT A DB6/SCLK OUTPUT DRIVERS BUF V3 V4 T/H 16-/14-/ 12-BIT SAR T/H 16-/14-/ 12-BIT SAR BUF V5 T/H DB9/DOUT B OUTPUT DRIVERS DB10/DOUT C OUTPUT DRIVERS DATA/ CONTROL LINES 16-/14-/ 12-BIT SAR RD WR/REFEN/DIS V6 T/H 16-/14-/ 12-BIT SAR AD7656-1/AD7657-1/AD7658-1 ‫ۉ‬૰၍ୟ॔੦ࢅ֪ଉဣཥ ᅏ՗ࢅ੦዆ဣཥ ‫ܠ‬ዡۨ࿋ဣཥ VSS AGND 07017-001  250 kSPSĂୃཚ‫ڢ‬Ăཞօ֑ᄣĂ ມटႠ16/14/12࿋ADC AD7656-1/AD7657-1/AD7658-1 DGND ཮1. ༬Ⴀ AD7656-1/AD7657-1/AD7658-1 1‫ݴ‬՚๟AD7656/AD7657/ AD7658ই‫گ‬ඁ᳘ᄲ൱‫ڦ‬ᆅগࢅ෉ॲग़ඹӲԨLj਩ాዃ6߲ 16/14/12࿋Ă੺໏Ă‫ࡼࠀگ‬ደْ԰ৎ႙ADCLjժण‫ڟׯ‬ᅃ ߲ ‫ ހ‬ጎ ዐ Lj ֑ ᆩ iCMOS®߾ ᅝ DŽ ߾ ᄽ प CMOSDž ย ऺ ă iCMOS๟ᅃዖॽߛუࡂᇑჱྲ௝CMOSतࢻցມटႠरຍ ၎঳ࢇ‫߾ڦ‬ᅝăཚࡗኄዖ߾ᅝLj੗ਸ݀ሞ33Vߛუူ߾ፕ ‫ߛڦ‬ႠీఇెICLjഄ༹ओႠీԲ๟ᅜྫ‫ߛڦ‬უഗॲ໯࿮݆ ํ၄‫ڦ‬ăᇑ֑ᆩ‫د‬ཥCMOS߾ᅝ‫ڦ‬ఇెICփཞLjiCMOSፇ ॲփ‫ڍ‬੗ᅜ๼෇ມटႠ႑ࡽLjཞ้࣏ీ༵ืႠీLj‫ޗٷ‬ই ‫ࡼࠀگ‬ժ३ၭ‫ހ‬ጎ؅٫ă ෙ੼ഗॲ‫ུཾڦ‬໏୲ߛ‫ٳ‬250 kSPSLjժ൐ాዃ‫گ‬ሯำĂ੻ ‫֑੻ټ‬ᄣԍ‫ٷݣ׼‬ഗLj੗‫ت‬૙ፌߛ4.5 MHz‫ڦ‬๼෇ೕ୲ă 1 ገ࣑ࡗ‫ײ‬ᇑຕ਍֑ण૧ᆩCONVST႑ࡽࢅాևና‫ږ‬ഗ৊ ႜ੦዆ăෙ߲CONVSTᆅগDŽCONVST AĂCONVST BࢅCONVST CDžሎႹෙ‫ܔ‬ADC‫܀‬૬‫ں‬৊ႜཞօ֑ᄣă AD7656-1/AD7657-1/ AD7658-1ਏᆶᅃ߲ߛ໏ժႜথ੨ࢅ ᅃ߲ߛ໏‫ز‬ႜথ੨Ljྺഗॲᇑྲ‫ت‬૙ഗईDSP‫ڦ‬থ੨૶ থ‫ظ‬ሰକཉॲă჋ስ‫ز‬ႜথ੨ఇ๕้Lj௅߲ഗॲ‫ۼ‬ሎႹ ‫߲ܠ‬ADCᅜਅࢾ૾ႚ๕૶থ዁‫ز߲ڇ‬ႜথ੨ăෙ੼ഗॲ ਩੗ሞ±4 × VREF‫ࢅྷݔ‬±2 × VREF‫ాྷݔ‬ኧ‫׼‬ኈມटႠ๼෇ ႑ࡽăُྔ࣏ాዃᅃ߲2.5 Vೌాएጚ‫ۉ‬უᇸă ׂ೗਋ঋ 1. ೌాण‫ׯ‬6߲16/14/12࿋250 kSPS ADCă 2. 6߲ኈມटႠĂߛፆੇఇె๼෇ă 3. ߛ໏ժႜࢅ‫ز‬ႜথ੨ă 4. ᇑAD7656/AD7657/AD7658ഗॲ၎ԲLjই‫گ‬କඁ᳘ᄲ ൱ࢅ࿿ଙൣ‫ׯڇ‬Ԩă ๴ெࡔጆ૧‫ڼ‬6,731,232ࡽԍࢺă Rev. 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ADIዐ࿔Ӳຕ਍๮֩๟ᆈ࿔Ӳຕ਍๮֩‫ڦ‬ᅳ࿔Lj৤൩ଌ঴‫݋‬ᅳዐ੗ీ٪ሞ‫ڦ‬ᇕჾፇኯई‫݋‬ᅳ‫ٱ‬ဃLjADIփ‫݋ܔ‬ᅳዐ٪ሞ‫ֶڦ‬ᅴईᆯׂُิ‫ٱڦ‬ဃ޶ሴăසႴඓණඪࢆَᇕ‫ڦ‬ጚඓႠLj൩֖੊ADI ༵ࠃ‫ڦ‬ፌႎᆈ࿔Ӳຕ਍๮֩ă AD7656-1/AD7657-1/AD7658-1  ణ୤ ༬Ⴀ ................................................................................................... 1 ߾ፕᇱ૙ ........................................................................................ 21 ᆌᆩ ................................................................................................... 1 ! ࠀీ઀཮ .......................................................................................... 1 ገ࣑ഗၘ঴ ........................................................................... 21 ADC‫ࡧڿد‬ຕ ...................................................................... 22 ߁ຎ ................................................................................................... 1 ! ాև/ྔևएጚ‫ۉ‬უ ............................................................. 22 ׂ೗਋ঋ .......................................................................................... 1 ! ‫ۆ‬႙૶থ཮ ........................................................................... 22 Ⴊ۩૦๏ .......................................................................................... 2 ! ൻ‫ۯ‬ఇె๼෇ ....................................................................... 23 रຍࡀ߭ .......................................................................................... 3 ! থ੨჋ၜ ................................................................................ 23 AD7656-1 ................................................................................. 3 ADC෉ॲ჋ስ ...................................................................... 25 AD7657-1 ................................................................................. 5 ! ߸߀ఇె๼෇‫(ྷݔ‬H/S SEL = 0) ...................................... 26 AD7658-1 ................................................................................. 7 ! ߸߀ఇె๼෇‫(ྷݔ‬H/S SEL = 1) ...................................... 26 ้Ⴞࡀ߭ .................................................................................. 9 ! ‫ز‬ႜ‫܁‬ൽ֡ፕ ....................................................................... 26 ਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵ ........................................................................... 10 ! ਅࢾ૾ఇ๕(DCEN = 1,SER/PAR SEL = 1) ..................... 28 ! ඤፆ ......................................................................................... 10 ᆌᆩႷኪ ........................................................................................ 30 ESDয়ߢ ................................................................................. 10 ! ! ‫ۉ‬ୟӱքਆ ........................................................................... 30 ᆅগದዃࢅࠀీ௮ຎ ................................................................... 11 ྔႚ؅٫ ........................................................................................ 31 ‫ۆ‬႙߾ፕ༬Ⴀ ................................................................................ 15 ! ຍᇕ ................................................................................................. 19 Ⴊ۩૦๏ 2009౎3ሆ—Ⴊ۩Ӳ0዁Ⴊ۩ӲA ߸߀༬Ⴀ ........................................................................................... 1 ߸߀՗1 ............................................................................................. 3 ߸߀՗2 ............................................................................................. 5 ߸߀՗3 ............................................................................................. 7 ߸߀՗4 ............................................................................................. 9 ߸߀ਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵ՗ .............................................................. 10 ߸߀ᆅগದዃࢅࠀీ௮ຎ՗ ..................................................... 11 ߸߀཮9 ........................................................................................... 14 ߸߀ገ࣑ഗၘ঴և‫ ݴ‬................................................................... 20 ߸߀ాև/ྔևएጚ‫ۉ‬უև‫ ݴ‬.................................................... 21 ߸߀থ੨჋ၜև‫ ݴ‬....................................................................... 22 ߸߀ժႜথ੨և‫ ݴ‬....................................................................... 22 ߸߀‫ز‬ႜথ੨(SER/PAR SEL = 1)և‫ ݴ‬..................................... 25 ߸߀ਅࢾ૾ఇ๕(DCEN = 1LjSER/PAR SEL = 1) ................... 27 ߸߀քਆև‫ ݴ‬................................................................................ 30 ߸ႎྔႚ؅٫ ................................................................................ 31 ߸߀۩ࠔኸళ ................................................................................ 31 2008౎7ሆ—Ⴊ۩Ӳ0:‫؛‬๔Ӳ Rev. A | Page 2 of 32 ۩ࠔኸళ ................................................................................ 31 AD7656-1/AD7657-1/AD7658-1  रຍࡀ߭ AD7656-1 ‫ݥأ‬ଷᆶຫ௽LjVREF = 2.5 Vాև/ྔևएጚ‫ۉ‬უLjAVCC = 4.75 V዁5.25 VLjDVCC = 4.75 V዁5.25 VLjVDRIVE = 2.7 V዁5.25 VǗ‫ܔ‬ᇀ ±4 ×VREF‫ྷݔ‬LjVDD = 10 V዁16.5 VLjVSS = −10 V዁−16.5 VǗ‫ܔ‬ᇀ±2 ×VREF‫ྷݔ‬LjVDD = 5 V዁16.5 VLjVSS = −5 V዁−16.5 VǗ fSAMPLE = 250 kSPSLjTA = TMIN዁TMAXă ՗1 ֖ຕ ‫ۯ‬ༀႠీ ፌၭኵ ‫ڇ‬࿋ 88 88 dB dB dB dB dB −90 −105 −100 ‫ރ‬ኵၿհईሗොሯำ (SFDR)1 ঍ۙ฿ኈ (IMD)1 ܾ঩ၜ ෙ঩ၜ ੥০ჽ‫׿‬ ੥০ჽ‫׿‬೅ದ ੥০۶‫ۯ‬ ཚ‫ڢ‬क़߰૗1 ඇࠀ୲‫੻ټ‬ 10 4 35 −100 4.5 2.2 dB dB ns ns ps dB MHz MHz 16 ࿋ 15 14 ±0.8 ±0.35 ࿋ ࿋ LSB LSB % FS % FS ±0.048 ±0.048 ±0.038 ±0.8 ±0.35 %FS %FS % FS % FS % FS +4 × VREF +2 × VREF ±1 V V μA pF pF ±3 ࿄჋ዐཚ‫ڦڢ‬fINߛ‫ ٳ‬100 kHz @ −3 dB @ −0.1 dB ‫ۆ‬႙ኵ!±0.381% FSR ‫ۆ‬႙ኵ!±0.0137% FSR −4 × VREF −2 × VREF ኱ୁႅ୑‫ୁۉ‬ ๼෇‫ۉ‬ඹ2 एጚ‫ۉ‬უ๼෇/๼‫؜‬ एጚ๼෇‫ۉ‬უ‫ྷݔ‬ ኱ୁႅ୑‫ୁۉ‬ ๼෇‫ۉ‬ඹ2 एጚ๼‫ۉ؜‬უ ‫׊‬೺࿘ۨႠ एጚ࿒‫܈‬ဣຕ VDD/VSS = ±5 V ዁ ±16.5 V fa = 10.5 kHz, fb = 9.5 kHz −112 −107 ±1 ኟ஢ଉ‫ײ‬ဃֶ1 ኟ஢ଉ‫ײ‬ဃֶ೅ದ1 ມटႠଭ‫ۉ‬ೝဃֶ1 Bप Yप ມटႠଭ‫ۉ‬ೝဃֶ೅ದ1 ޶஢ଉ‫ײ‬ဃֶ1 ޶஢ଉ‫ײ‬ဃֶ೅ದ1 ఇె๼෇ ๼෇‫ۉ‬უ‫ྷݔ‬ ֪๬ཉॲ0ጀ๥ fIN = 10 kHz ኟ၀հ ႑భԲ (SINAD)1 ႑ሯԲ (SNR)1 ጺၿհ฿ኈ (THD)1 ኱ୁ৛‫܈‬ ‫ݴ‬Ր୲ ࿮฿ஓ Bप Yप ओ‫ݥݴ‬၍Ⴀ1 ‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ 10 14 2.5 2.5 ±1 18.5 2.49 2.51 150 25 6 Rev. A | Page 3 of 32 V μA pF V ppm ppm/°C ppm/°C ‫ۆ‬႙ኵ!±0.381% FSR ߳‫ڦྷݔ‬VDD/VSSፌၭኵ९՗8ă RNGx ࿋ई RANGE ᆅগ = 0 RNGx ࿋ई RANGE ᆅগ = 1 ±4 × VREF ‫ྷݔ‬DŽ֑ᄣ้Dž ±2 × VREF ‫ྷݔ‬DŽ֑ᄣ้Dž REFEN/DIS = 1 1000 ၭ้!!!!!!!!!!!!! AD7656-1/AD7657-1/AD7658-1 ֖ຕ இड๼෇ ๼෇ߛ‫ۉ‬უ (VINH) ๼෇‫ۉگ‬უ (VINL) ๼෇‫( ୁۉ‬IIN) ๼෇‫ۉ‬ඹ (CIN)2 இड๼‫؜‬ ๼‫ۉߛ؜‬უ (VOH) ๼‫ۉگ؜‬უ (VOL) ‫ޝ‬੣ༀႅ୑‫ୁۉ‬ ‫ޝ‬੣ༀ๼‫ۉ؜‬ඹ2 ๼‫؜‬Պஓ 0.3 × VDRIVE ±10 10 V V μA pF 0.2 ±10 10 V V μA pF 3.1 550 250 μs ns kSPS +16.5 −16.5 5.25 5.25 5.25 V V V V V 18 mA 26 mA ISS (߾ፕጒༀ) IDD (߾ፕጒༀ) և‫ۉูݴ‬ఇ๕ 0.25 0.25 7 mA mA mA ྜඇู‫ۉ‬ఇ๕ (STBY ᆅগ) 60 μA 94 140 40 315 mW mW mW μW ገ࣑໏୲ ገ้࣑क़ ֑ᄣԍ‫׼‬ഗ֑ण้क़1,2 ཾུ໏୲ ‫ۉ‬ᇸᄲ൱ VDD VSS AVCC DVCC VDRIVE ITOTAL 3 ኟ‫׉‬ఇ๕-ৢༀ 0.7 × VDRIVE VDRIVE − 0.2 ‫ۆ‬႙ኵ10 nA, VIN = 0 V ई VDRIVE ISOURCE = 200 μA ISINK = 200 μA ܾ৊዆ցஓ −5 −5 4.75 4.75 2.7 ኟ‫׉‬ఇ๕-߾ፕጒༀ ࠀࡼ ኟ‫׉‬ఇ๕-ৢༀ ኟ‫׉‬ఇ๕-߾ፕጒༀ և‫ۉูݴ‬ఇ๕ ྜඇู‫ۉ‬ఇ๕ (STBY ᆅগ) 1 !९ຍᇕև‫ݴ‬ă !ᄣೌሞ‫ْ݀؛‬ք೺क़਩ঢ়ࡗ֪๬Ljᅜඓԍ‫ࢇޙ‬Քጚᄲ൱ă !ԈઔIAVCCĂIVDDĂIVSSĂIVDRIVEࢅIDVCCă 2 3 Rev. A | Page 4 of 32 ৈժႜথ੨ఇ๕ ‫ܔ‬ᇀ4 × VREF ‫ྷݔ‬LjVDD = 10 V዁16.5 V ‫ܔ‬ᇀ4 × VREF ‫ྷݔ‬LjVSS = −10 V዁−16.5 V ຕጴ๼෇ = 0 V ई VDRIVE AVCC = DVCC = VDRIVE = +5.25 V, VDD = +16.5 V, VSS = −16.5 V fSAMPLE = 250 kSPS, AVCC = DVCC = VDRIVE = +5.25 V, VDD = +16.5 V, VSS = −16.5 V VSS = −16.5 V, fSAMPLE = 250 kSPS VDD = +16.5 V, fSAMPLE = 250 kSPS AVCC = DVCC = VDRIVE = +5.25 V, VDD = +16.5 V, VSS = −16.5 V SCLK ਸई࠲, AV CC = DVCC = VDRIVE = +5.25 V, VDD = +16.5 V, VSS = −16.5 V AVCC = DVCC = VDRIVE = +5.25 V, VDD = +16.5 V, VSS = −16.5 V fSAMPLE = 250 kSPS AD7656-1/AD7657-1/AD7658-1  AD7657-1 ‫ݥأ‬ଷᆶຫ௽LjVREF = 2.5 Vాև/ྔևएጚ‫ۉ‬უLjAVCC = 4.75 V዁5.25 VLjDVCC = 4.75 V዁5.25 VLjVDRIVE = 2.7 V዁5.25 VǗ‫ܔ‬ᇀ ±4 × VREF‫ྷݔ‬LjVDD = 10 V዁16.5 VLjVSS = −10 V዁−16.5 VǗ‫ܔ‬ᇀ±2 × VREF‫ྷݔ‬LjVDD = 5 V዁16.5 VLjVSS = −5 V዁−16.5 VǗ fSAMPLE = 250 kSPSLjTA = TMIN዁TMAXă ՗2 ֖ຕ ፌၭኵ ‫ۯ‬ༀႠీ ႑భԲ(SINAD)1 ‫ڇ‬࿋ 82.5 dB ֪๬ཉॲ0ጀ๥ fIN = 10 kHz ኟ၀հ ႑ሯԲ (SNR)1 ጺၿհ฿ኈ (THD)1 83.5 −90 −105 −100 ‫ރ‬ኵၿհईሗොሯำ (SFDR)1 ঍ۙ฿ኈ (IMD)1 ܾ঩ၜ ෙ঩ၜ ੥০ჽ‫׿‬ ੥০ჽ‫׿‬೅ದ ੥০۶‫ۯ‬ ཚ‫ڢ‬क़߰૗ ඇࠀ୲‫੻ټ‬1 ኱ୁ৛‫܈‬ ‫ݴ‬Ր୲ ࿮฿ஓ ओ‫ݥݴ‬၍Ⴀ1 ‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ dB dB dB dB fa = 10.5 kHz, fb = 9.5 kHz −109 −104 10 4 35 −100 4.5 2.2 dB dB ns ns ps dB MHz MHz ±1 ࿋ ࿋ LSB ±0.95 ±0.366 ±0.04 ±0.0427 ±0.95 ±0.366 % FS % FS % FS % FS % FS % FS +4 × VREF +2 × VREF ±1 V V μA pF pF 14 14 ࿄჋ዐཚ‫ڦڢ‬fINߛ‫ٳ‬100 kHz @ −3 dB @ −0.1 dB ±1 ኟ஢ଉ‫ײ‬ဃֶ1 ኟ஢ଉ‫ײ‬ဃֶ೅ದ1 ມटႠଭ‫ۉ‬ೝဃֶ1 ມटႠଭ‫ۉ‬ೝဃֶ೅ದ1 ޶஢ଉ‫ײ‬ဃֶ1 ޶஢ଉ‫ײ‬ဃֶ೅ದ1 ఇె๼෇ ๼෇‫ۉ‬უ‫ྷݔ‬ −4 × VREF −2 × VREF ኱ୁႅ୑‫ୁۉ‬ ๼෇‫ۉ‬ඹ2 एጚ‫ۉ‬უ๼෇/๼‫؜‬ एጚ๼෇‫ۉ‬უ‫ྷݔ‬ ኱ୁႅ୑‫ୁۉ‬ ๼෇‫ۉ‬ඹ2 एጚ๼‫ۉ؜‬უ ‫׊‬೺࿘ۨႠ एጚ࿒‫܈‬ဣຕ 10 14 2.5 2.5 ±1 18.5 2.49 2.51 150 25 6 இड๼෇ ๼෇ߛ‫ۉ‬უ (VINH) ๼෇‫ۉگ‬უ (VINL) ๼෇‫( ୁۉ‬IIN) ๼෇‫ۉ‬ඹ (CIN)2 0.7 × VDRIVE 0.3 × VDRIVE ±10 10 V μA pF V ppm ppm/°C ppm/°C V V μA pF Rev. A | Page 5 of 32 ‫ۆ‬႙ኵ!±0.27% FSR ‫ۆ‬႙ኵ!±0.016% FSR ‫ۆ‬႙ኵ!±0.27% FSR ߳‫ڦྷݔ‬VDD/VSSፌၭኵ९՗8 RNGx ࿋ई RANGE ᆅগ = 0 RNGx ࿋ई RANGE ᆅগ = 1 ±4 × VREF ‫֑)!ྷݔ‬ᄣ้* ±2 × VREF ‫֑)!ྷݔ‬ᄣ้* REFEN/DIS = 1 1000 ၭ้ ‫ۆ‬႙ኵ!10 nA, VIN = 0 V ई VDRIVE AD7656-1/AD7657-1/AD7658-1 ֖ຕ ፌၭኵ ፌ‫ٷ‬ኵ ‫ڇ‬࿋ ֪๬ཉॲ0ጀ๥ 0.2 ±10 10 V V μA pF ISOURCE = 200 μA ISINK = 200 μA 3.1 550 250 μs ns kSPS +16.5 −16.5 5.25 5.25 5.25 V V V V V 18 mA 26 mA ISS (߾ፕጒༀ) IDD (߾ፕጒༀ) և‫ۉูݴ‬ఇ๕ 0.25 0.25 7 mA mA mA ྜඇู‫ۉ‬ఇ๕ )STBYᆅগ* 60 μA 94 140 40 315 mW mW mW μW இड๼‫؜‬ ๼‫ۉߛ؜‬უ (VOH) ๼‫ۉگ؜‬უ (VOL) ‫ޝ‬੣ༀႅ୑‫ୁۉ‬ ‫ޝ‬੣ༀ๼‫ۉ؜‬ඹ2 ๼‫؜‬Պஓ ገ࣑໏୲ ገ้࣑क़ ֑ᄣԍ‫׼‬ഗ֑ण้क़1, 2 ཾུ໏୲ ‫ۉ‬ᇸᄲ൱ VDD VSS AVCC DVCC VDRIVE ITOTAL 3 ኟ‫׉‬ఇ๕ - ৢༀ ‫ۆ‬႙ኵ  VDRIVE − 0.2 ܾ৊዆ցஓ −5 −5 4.75 4.75 2.7 ኟ‫׉‬ఇ๕ - ߾ፕጒༀ ࠀࡼ ኟ‫׉‬ఇ๕ - ৢༀ ኟ‫׉‬ఇ๕ - ߾ፕጒༀ և‫ۉูݴ‬ఇ๕ ྜඇู‫ۉ‬ఇ๕ (STBY ᆅগ) 1 !९ຍᇕև‫ݴ‬ă !ᄣೌሞ‫ْ݀؛‬ք೺क़਩ঢ়ࡗ֪๬Ljᅜඓԍ‫ࢇޙ‬Քጚᄲ൱ă 3 !ԈઔIAVCCĂIVDDĂIVSSĂIVDRIVEࢅIDVCCă 2 Rev. A | Page 6 of 32 ৈժႜথ੨ఇ๕ ‫ܔ‬ᇀ4 × VREF ‫ྷݔ‬LjVDD = 10 V዁16.5 V ‫ܔ‬ᇀ4 × VREF ‫ྷݔ‬LjVSS = −10 V዁−16.5 V ຕጴ๼෇ = 0 V ई VDRIVE AVCC = DVCC = VDRIVE = +5.25 V, VDD = +16.5 V, VSS = −16.5 V fSAMPLE = 250 kSPS, AVCC = DVCC = VDRIVE = +5.25 V, VDD = +16.5 V, VSS = −16.5 V VSS = −16.5 V, fSAMPLE = 250 kSPS VDD = 16.5 V, fSAMPLE = 250 kSPS AVCC = DVCC = VDRIVE = +5.25 V, VDD = +16.5 V, VSS = −16.5 V SCLK ਸई࠲, AV CC = DVCC = VDRIVE = +5.25 V, VDD = +16.5 V, VSS = −16.5 V AVCC = DVCC = VDRIVE = +5.25 V, VDD = +16.5 V, VSS = −16.5 V fSAMPLE = 250 kSPS AD7656-1/AD7657-1/AD7658-1  AD7658-1 ‫ݥأ‬ଷᆶຫ௽LjVREF = 2.5 Vాև/ྔևएጚ‫ۉ‬უLjAVCC = 4.75 V዁5.25 VLjDVCC = 4.75 V዁5.25 VLjVDRIVE = 2.7 V዁5.25 VǗ‫ܔ‬ᇀ ±4 × VREF‫ྷݔ‬LjVDD = 10 V዁16.5 VLjVSS = −10 V዁−16.5 VǗ‫ܔ‬ᇀ±2 × VREF‫ྷݔ‬LjVDD = 5 V዁16.5 VLjVSS = −5 V዁−16.5 VǗ fSAMPLE = 250 kSPSLjTA = TMIN዁TMAXă ՗3 ֖ຕ ፌၭኵ ‫ۯ‬ༀႠీ ႑భԲ (SINAD)1 ‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ ‫ڇ‬࿋ 73.5 dB fIN = 10 kHz ኟ၀հ 73.5 ጺၿհ฿ኈ (THD)1 −88 −100 −97 ‫ރ‬ኵၿհईሗොሯำ (SFDR)1 ঍ۙ฿ኈ (IMD)1 ܾ঩ၜ ෙ঩ၜ ੥০ჽ‫׿‬ ੥০ჽ‫׿‬೅ದ ੥০۶‫ۯ‬ ཚ‫ڢ‬क़߰૗ ඇࠀ୲‫੻ټ‬1 ኱ୁ৛‫܈‬ ‫ݴ‬Ր୲ ࿮฿ஓ ྲ‫ݥݴ‬၍Ⴀ ओ‫ݥݴ‬၍Ⴀ1 ኟ஢ଉ‫ײ‬ဃֶ1 ኟ஢ଉ‫ײ‬ဃֶ೅ದ1 ມटႠଭ‫ۉ‬ೝဃֶ1 ມटႠଭ‫ۉ‬ೝဃֶ೅ದ1 ޶஢ଉ‫ײ‬ဃֶ1 ޶஢ଉ‫ײ‬ဃֶ೅ದ1 ఇె๼෇ ๼෇‫ۉ‬უ‫ྷݔ‬ 10 4 35 −100 4.5 2.2 −4 × VREF −2 × VREF ±0.7 ±0.5 ±0.95 ±0.366 ±2 ±2 ±0.95 ±0.366 +4 × VREF +2 × VREF ±1 V V μA 10 14 2.5 pF 2.5 ±1 18.5 2.49 dB dB ns ns ps dB MHz MHz ࿋ ࿋ LSB LSB % FS % FS LSB LSB % FS % FS 12 12 2.51 150 25 6 இड๼෇ ๼෇ߛ‫ۉ‬უ (VINH) ๼෇‫ۉگ‬უ (VINL) ๼෇‫( ୁۉ‬IIN) ๼෇‫ۉ‬ඹ (CIN)2 dB dB dB dB fa = 10.5 kHz, fb = 9.5 kHz −106 −101 ኱ୁႅ୑‫ୁۉ‬ ๼෇‫ۉ‬ඹ2 एጚ‫ۉ‬უ๼෇/๼‫؜‬ एጚ๼෇‫ۉ‬უ‫ྷݔ‬ ኱ୁႅ୑‫ୁۉ‬ ๼෇‫ۉ‬ඹ2 एጚ๼‫ۉ؜‬უ ‫׊‬೺࿘ۨႠ एጚ࿒‫܈‬ဣຕ ֪๬ཉॲ0ጀ๥ 0.7 × VDRIVE 0.3 × VDRIVE ±10 10 V μA pF V ppm ppm/°C ppm/°C V V μA pF Rev. A | Page 7 of 32 ࿄჋ዐཚ‫ڦڢ‬fINߛ‫ٳ‬100 kHz @ −3 dB @ −0.1 dB ‫ۆ‬႙ኵ!±0.317% FSR ‫ۆ‬႙ኵ!±0.0125% FSR ‫ۆ‬႙ኵ!±0.317% FSR ߳‫ڦྷݔ‬VDD/VSSፌၭኵ९՗8 RNGx ࿋ई RANGE ᆅগ = 0 RNGx ࿋ई RANGE ᆅগ = 1 ±4 × VREF ‫֑)!ྷݔ‬ᄣ้* ±2 × VREF ‫֑)!ྷݔ‬ᄣ้* REFEN/DIS = 1 1000 ၭ้ ‫ۆ‬႙ኵ!10 nA, VIN = 0 V ई VDRIVE AD7656-1/AD7657-1/AD7658-1 ֖ຕ ፌၭኵ ፌ‫ٷ‬ኵ ‫ڇ‬࿋ ֪๬ཉॲ0ጀ๥ 0.2 ±10 10 V V μA pF ISOURCE = 200 μA ISINK = 200 μA 3.1 550 250 μs ns kSPS +16.5 −16.5 5.25 5.25 5.25 V V V V V 18 mA 26 mA ISS (߾ፕጒༀ) IDD (߾ፕጒༀ) և‫ۉูݴ‬ఇ๕ 0.25 0.25 7 mA mA mA ྜඇู‫ۉ‬ఇ๕ )STBYᆅগ* 60 μA 94 140 40 315 mW mW mW μW இड๼‫؜‬ ๼‫ۉߛ؜‬უ (VOH) ๼‫ۉگ؜‬უ (VOL) ‫ޝ‬੣ༀႅ୑‫ୁۉ‬ ‫ޝ‬੣ༀ๼‫ۉ؜‬ඹ2 ‫ۉ‬ඹ2 ๼‫؜‬Պஓ ገ࣑໏୲ ገ้࣑क़ ֑ᄣԍ‫׼‬ഗ֑ण้क़1, 2 ཾུ໏୲ ‫ۉ‬ᇸᄲ൱ VDD VSS AVCC DVCC VDRIVE ITOTAL 3 ኟ‫׉‬ఇ๕ - ৢༀ ‫ۆ‬႙ኵ  VDRIVE − 0.2 ܾ৊዆ցஓ −5 −5 4.75 4.75 2.7 ኟ‫׉‬ఇ๕ - ߾ፕጒༀ ࠀࡼ ኟ‫׉‬ఇ๕ - ৢༀ ኟ‫׉‬ఇ๕ - ߾ፕጒༀ և‫ۉูݴ‬ఇ๕ ྜඇู‫ۉ‬ఇ๕ )STBYᆅগ* 1 !९ຍᇕև‫ݴ‬ă !ᄣೌሞ‫ْ݀؛‬ք೺क़਩ঢ়ࡗ֪๬Ljᅜඓԍ‫ࢇޙ‬Քጚᄲ൱ă 3 !ԈઔIAVCCĂIVDDĂIVSSĂIVDRIVEࢅIDVCCă 2 Rev. A | Page 8 of 32 ৈժႜথ੨ఇ๕ ‫ܔ‬ᇀ4 × VREF ‫ྷݔ‬LjVDD = 10 V዁16.5 V ‫ܔ‬ᇀ4 × VREF ‫ྷݔ‬LjVSS = −10 V዁−16.5 V ຕጴ๼෇ = 0 V ई VDRIVE AVCC = DVCC = VDRIVE = +5.25 V, VDD = +16.5 V, VSS =−16.5 V fSAMPLE = 250 kSPS, AVCC = DVCC = VDRIVE = +5.25 V, VDD = +16.5 V, VSS = −16.5 V VSS = −16.5 V, fSAMPLE = 250 kSPS VDD = 16.5 V, fSAMPLE = 250 kSPS AVCC = DVCC = VDRIVE = +5.25 V, VDD = +16.5 V, VSS = −16.5 V SCLK ਸई࠲, AV CC = DVCC = VDRIVE = +5.25 V, VDD = +16.5 V, VSS = −16.5 V AVCC = DVCC = VDRIVE = +5.25 V, VDD = +16.5 V, VSS = −16.5 V fSAMPLE = 250 kSPS AD7656-1/AD7657-1/AD7658-1  ้Ⴞࡀ߭ ‫ݥأ‬ଷᆶຫ௽LjAVCCࢅDVCC = 4.75 V዁5.25 VLjVDD = 5 V዁16.5 VLjVSS = −5 V዁−16.5 VLjVDRIVE = 2.7 V‫ڟ‬5.25 VLjVREF = 2.5 V ాև/ྔևएጚ‫ۉ‬უLjTA = TMIN዁TMAXă ՗4 ֖ຕ1 ሞtMINĂtMAX้‫ڦ‬၌ኵ VDRIVE < 4.75 V VDRIVE = 4.75 V to 5.25 V ‫ڇ‬࿋ ௮ຎ ժႜথ੨ tCONVERT tQUIET 3 150 3 150 μs (‫ۆ‬႙ኵ* ns (ፌၭኵ* ገ้࣑क़Ljాև้ዓ ጺ၍๥‫ူڟݣ‬ᅃْገ࣑ਸ๔‫ڦ‬ፌ‫܌‬Ҿ 550 25 60 2 25 550 25 60 2 25 ns (ፌၭኵ* ns (ፌၭኵ* ns (ፌ‫ٷ‬ኵ* ms (ፌ‫ٷ‬ኵ* μs (ፌ‫ٷ‬ኵ* ֑ण้क़ ፌ‫܌‬CONVST‫ۉگ‬ೝஞ؋ CONVSTߛ‫ۉ‬ೝ‫ڟ‬BUSYߛ‫ۉ‬ೝ STBY ฉืᄂ‫ڟ‬CONVSTฉืᄂ և‫ۉูݴ‬ఇ๕ 0 0 0 45 45 10 12 6 0 0 0 36 36 10 12 6 ns (ፌၭኵ* ns (ፌၭኵ* ns (ፌၭኵ* ns (ፌၭኵ* ns (ፌ‫ٷ‬ኵ* ns (ፌၭኵ* ns (ፌ‫ٷ‬ኵ* ns (ፌၭኵ* BUSY ‫ڟ‬RDჽ‫׿‬ CS ‫ڟ‬RD ยዃ้क़ CS ‫ ڟ‬RD ԍ‫้׼‬क़ RD ஞ؋੻‫܈‬ RD ူইᄂࢫ‫ڦ‬ຕ਍‫ݡ‬࿚้क़ RD ฉืᄂࢫ‫ڦ‬ຕ਍ԍ‫้׼‬क़ RD ฉืᄂࢫ‫ڦ‬ጺ၍๥‫้ݣ‬क़ ଇْ‫܁‬ൽኮक़‫ڦ‬ፌ‫܌‬क़้߰क़ 15 0 5 5 5 15 0 5 5 5 ns (ፌၭኵ* ns (ፌၭኵ* ns (ፌၭኵ* ns (ፌၭኵ* ns (ፌၭኵ* WR ஞ؋੻‫܈‬ CS ‫ ڟ‬WR ยዃ้क़ CS ‫ ڟ‬WR ԍ‫้׼‬क़ WR ฉืᄂമ‫ڦ‬ຕ਍ยዃ้क़ WR ฉืᄂࢫ‫ڦ‬ຕ਍ԍ‫้׼‬क़ ‫ز‬ႜথ੨ fSCLK t16 18 12 18 12 MHz (ፌ‫ٷ‬ኵ* ‫ز‬ႜ‫܁‬ൽ้ዓೕ୲ ns (ፌ‫ٷ‬ኵ* ٗCS኱‫ڟ‬DOUTxෙༀ্ᆩ‫ڦ‬ჽ‫้׿‬क़ t17 2 22 22 ns (ፌ‫ٷ‬ኵ* SCLK ฉืᄂ/CSူইᄂࢫ‫ڦ‬ຕ਍‫ݡ‬࿚้क़ t18 t19 t20 0.4 × tSCLK 0.4 × tSCLK 10 0.4 × tSCLK 0.4 × tSCLK 10 ns (ፌၭኵ* ns (ፌၭኵ* ns (ፌၭኵ* SCLK ‫گ‬ஞ؋੻‫܈‬ SCLK ߛஞ؋੻‫܈‬ ሞSCLKူইᄂࢫSCLK‫ڟ‬ຕ਍‫ڦ‬ᆶၳԍ‫้׼‬क़ t21 18 18 ns (ፌ‫ٷ‬ኵ* CS ฉืᄂ‫ڟ‬DOUTxߛፆੇጒༀ tACQ t10 t1 tWAKE-UP ժႜ‫܁‬ൽ֡ፕ t2 t3 t4 t5 t6 t7 t8 t9 ժႜႀ෇֡ፕ t11 t12 t13 t14 t15 2 ᄣೌሞ‫ْ݀؛‬ք೺क़਩ঢ়ࡗ֪๬Ljᅜඓԍ‫ࢇޙ‬Քጚᄲ൱ă໯ᆶ๼෇႑ࡽ਩ኸۨ tR = tF = 5 nsDŽ10ǁ‫ڟ‬90ǁ‫ڦ‬VDDDžժٗ1.6V‫ۉ‬ೝഐਸ๔ऺ้ă DOUTxᆅগDŽᆅগ5‫ڟ‬7Džฉ૧ᆩᅃ߲࣐؋৊ႜُၜ֪ଉă 200μA TO OUTPUT PIN IOL 1.6V CL 25pF 200μA IOH 07017-002 1 ཮2/!ຕጴ๼‫้؜‬Ⴞࡀ߭‫޶ڦ‬ሜ‫ۉ‬ୟ Rev. A | Page 9 of 32 AD7656-1/AD7657-1/AD7658-1  ਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵ ‫ݥأ‬ଷᆶຫ௽LjTA = 25°Că ՗5 ֖ຕ VDD ዁ AGND, DGND VSS ዁ AGND, DGND VDD ዁ AVCC AVCC ዁ AGND, DGND DVCC ዁ AVCC DVCC ዁ DGND, AGND AGND ዁ DGND VDRIVE ዁ DGND ఇె๼෇‫ۉ‬უ዁ AGND1 ຕጴ๼෇‫ۉ‬უ዁ DGND ຕጴ๼‫ۉ؜‬უ዁ DGND REFIN/REFOUT ዁ AGND ๼෇‫ୁۉ‬዁‫ۉأ‬ᇸྔ‫ڦ‬ඪࢆᆅগ2 ‫ۨܮ‬ኵ −0.3 V ዁ +16.5 V +0.3 V ዁ −16.5 V VCC − 0.3 V ዁ +16.5 V −0.3 V ዁ +7 V −0.3 V ዁ AVCC + 0.3 V −0.3 V ዁ +7 V −0.3 V ዁ +0.3 V −0.3 V ዁ DVCC + 0.3 V VSS − 0.3 V ዁ VDD + 0.3 V −0.3 V ዁ VDRIVE + 0.3 V −0.3 V ዁ VDRIVE + 0.3 V −0.3 V ዁ AVCC + 0.3 V ጀᅪLj‫؜ג‬ฉຎਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵ੗ీࣷ‫ڞ‬ዂഗॲᆦ৳Ⴀ໦ ࣋ăኄኻ๟‫ۨܮ‬ᆌ૰ኵLjփภतഗॲሞኄၵईඪࢆഄ໲ཉ ॲူ‫؜ג‬Ԩरຍࡀ߭ኸՔ‫ీࠀڦ‬Ⴀ֡ፕă‫׊‬೺ሞਨ‫ܔ‬ፌ‫ٷ‬ ‫ۨܮ‬ኵཉॲူ߾ፕࣷᆖၚഗॲ‫ڦ‬੗੍Ⴀă ඤፆ θJAኍ‫ܔ‬ፌֶཉॲLjनഗॲࡰথሞ‫ۉ‬ୟӱฉᅜํ၄՗ཌྷ‫ހ‬ ጎăኄၵरຍࡀ߭๢ᆩᇀ4֫‫ۉ‬ୟӱă ՗7. ඤፆ ‫ހ‬ጎૌ႙ 64 ᆅগ LQFP θJC 11 ‫ڇ‬࿋ °C/W ESD য়ߢ ESDDŽৢ‫ۉݣۉ‬Dž௺ߌഗॲă ±10 mA ߾ፕ࿒‫ྷݔ܈‬ Bप Yप ٪‫ئ‬࿒‫ྷݔ܈‬ ঳࿒ തဍࡰথ࿒‫܈‬ ࣮ୁࡰ(10௱዁30௱) ࿮ത࣮ୁࡰ࿒‫܈‬ ESD θJA 45 ‫ۉټ‬ഗॲࢅ‫ۉ‬ୟӱ੗ీࣷሞுᆶִਥ‫ڦ‬൧઄ူ‫ۉݣ‬ă ৑࠶Ԩׂ೗ਏᆶጆ૧ईጆᆩԍࢺ‫ۉ‬ୟLj‫ڍ‬ሞᇜ‫ీߛڟ‬ ଉESD้Ljഗॲ੗ీࣷ໦࣋ăᅺُLjᆌ‫֑ړ‬ൽ๢‫ڦړ‬ ESD‫ٯݔݞ‬แLjᅜՆ௨ഗॲႠీူইईࠀీෟ฿ă −40°C ዁ +85°C −40°C ዁ +125°C −65°C ዁ +150°C 150°C 240(+0)°C 260(+0)°C 1.5 kV 1 සࡕ૧ᆩ༺‫پ‬VDDࢅVSS‫ۉ‬ᇸ‫ۉ‬ୟઠൻ‫ۯ‬ఇె๼෇Ljሶᆌሞఇె๼෇‫܋‬ ‫૴ز‬240Ω‫ۉ‬ፆLjཞ้ᇑAD7656-1/AD7657-1/AD7658-1‫ڦ‬VDDࢅVSS‫ۉ‬ᇸ‫ز‬ থၰ༬एܾट࠶ă 2 ߛ‫ٳ‬100 mA‫ڦ‬ຨༀ‫ୁۉ‬փࣷሰ‫ׯ‬SCRឋ໮ă Rev. A | Page 10 of 32 AD7656-1/AD7657-1/AD7658-1  64 63 62 61 60 59 58 AGND AVCC REFIN/REFOUT AGND REFCAPA AGND AGND REFCAPB AGND REFCAPC AVCC AGND SER/PAR SEL WR/REFEN/DIS H/S SEL DB15 ᆅগದዃࢅࠀీ௮ຎ 57 56 55 54 53 52 51 50 49 DB14/REFBUF EN/DIS 1 DB13 2 48 V6 DB12 3 46 AVCC PIN 1 47 AVCC DB11 4 45 V5 DB10/DOUT C 5 44 AGND DB9/DOUT B 6 DB8/DOUT A 7 DGND 8 VDRIVE 9 43 AGND AD7656-1/AD7657-1/AD7658-1 42 V4 TOP VIEW (Not to Scale) 41 AVCC 40 AVCC DB7/HBEN/DCEN 10 39 V3 DB6/SCLK 11 38 AGND DB5/DCIN A 12 37 AGND DB4/DCIN B 13 36 V2 DB3/DCIN C 14 35 AVCC DB2/SEL C 15 34 AVCC DB1/SEL B 16 33 V1 07017-003 AGND VDD VSS W/B RESET RANGE DVCC DGND STBY CONVST A CONVST B RD CONVST C CS BUSY DB0/SEL A 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 ཮3/!ᆅগದዃ ՗7. ᆅগࠀీ௮ຎ ᆅগՊࡽ 54, 56, 58 ᆅগఁ‫׬‬ REFCAPA, REFCAPB, REFCAPC 33, 36, 39, 42, 45, 48 V1 ዁ V6 32, 37, 38, 43, 44, 49, 52, 53, 55, 57, 59 AGND 26 DVCC ௮ຎ एጚᇸඁ᳘‫ۉ‬ඹAĂएጚᇸඁ᳘‫ۉ‬ඹBतएጚᇸඁ᳘‫ۉ‬ඹCăඁ᳘‫ۉ‬ඹ૶থ‫ڟ‬ኄၵᆅগLjᅜՍ‫ܔ‬௅ ‫ܔ‬ADC‫ڦ‬एጚ‫ۉ‬უᇸ࣐؋৊ႜඁ᳘ăॽ௅߲REFCAPᆅগཚࡗᅃ߲1 μF‫ۉ‬ඹඁ᳘዁AGNDă ఇె๼෇1዁ఇె๼෇6ăኄၵᆅগ๟‫܋ڇ‬ఇె๼෇ăሞᆘॲఇ๕ူLjኄၵཚ‫ڦڢ‬ఇె๼෇‫ྷݔ‬ᆯ RANGEᆅগਦۨăሞ෉ॲఇ๕ူLjᆯ੦዆स٪ഗ‫ڦ‬RNGC዁RNGA࿋ਦۨDŽ֖९՗11Džă ఇె‫ں‬ăُᆅগ๟AD7656-1/AD7657-1/AD7658-1ฉ໯ᆶఇె‫ۉ‬ୟ‫ڦ‬থ‫ں‬एጚ‫ۅ‬ă໯ᆶఇె๼෇႑ ࡽࢅྔևएጚ႑ࡽ‫֖ۼ‬ቷኄ߲ᆅগă໯ᆶAGNDᆅগ‫ڟ૶ۼ‬ဣཥ‫ڦ‬AGNDೝ௬ăAGNDࢅDGND ‫ۉ‬უሞ૙ၙ൧઄ူᆌԍ‫ۉڪ׼‬࿋Ljժ൐‫ۉ‬࿋ֶDŽฯ዁ሞຨༀ‫ۉ‬უ٪ሞ൧઄้Džփ‫ࡗגڥ‬0.3 Vă ຕጴ‫ۉ‬ᇸ4.75 V዁5.25 VăDVCCࢅAVCC‫ۉ‬უሞ૙ၙ൧઄ူᆌԍ‫ۉڪ׼‬࿋Ljժ൐‫ۉ‬࿋ֶDŽฯ዁ሞ ຨༀ‫ۉ‬უ٪ሞ൧઄้Džփ‫ࡗגڥ‬0.3 Văཚࡗᅃ߲1 μF‫ۉ‬ඹ‫ܔ‬DVCCᆅগඁ᳘዁DGNDă 9 VDRIVE 8, 25 DGND இड‫ۉ‬ᇸ๼෇ăُᆅগ‫ۉڦ‬ᇸ‫ۉ‬უਦۨஇडথ੨‫߾ڦ‬ፕ‫ۉ‬უăُᆅগ‫ۉ׬ڦ‬ᇸᇑዷऐথ੨‫ۉ‬ᇸ၎ ཞă ຕጴ‫ں‬ăُᆅগ๟AD7656-1/AD7657-1/AD7658-1ฉ໯ᆶຕጴ‫ۉ‬ୟ‫ڦ‬থ‫ں‬एጚ‫ۅ‬ăଇ߲DGNDᆅগ ‫૶ۼ‬থ‫ڟ‬ဣཥ‫ڦ‬DGNDೝ௬ăDGNDࢅAGND‫ۉ‬უሞ૙ၙ൧઄ူᆌԍ‫ۉڪ׼‬࿋Ljժ൐‫ۉ‬࿋ֶDŽฯ ዁ሞຨༀ‫ۉ‬უ٪ሞ൧઄้Džփ‫ࡗגڥ‬0.3 Vă 34, 35, 40, 41, 46, 47, 50, 60 21, 22, 23 AVCC ఇె‫ۉ‬ᇸ‫ۉ‬უ4.75 V዁5.25 VLjኄ๟ADCాࢃ‫ۉڦ‬ᇸ‫ۉ‬უăAVCCࢅDVCC‫ۉ‬უሞ૙ၙ൧઄ူᆌԍ ‫ۉڪ׼‬࿋Ljժ൐‫ۉ‬࿋ֶDŽฯ዁ሞຨༀ‫ۉ‬უ٪ሞ൧઄้Džփ‫ࡗגڥ‬0.3 Vă CONVST C, CONVST B, CONVST A ገ࣑ਸ๔๼෇ALjገ࣑ਸ๔๼෇Bࢅገ࣑ਸ๔๼෇CLjኄၵஇड๼෇ᆩઠഔ‫ۯ‬ADC‫ܔ‬ገ࣑ă CONVST Aᆩઠഔ‫ۯ‬V1ࢅV2ཞօገ࣑ăCONVST Bᆩઠഔ‫ۯ‬V3ࢅV4ཞօገ࣑ăCONVST Cᆩઠഔ ‫ۯ‬V5ࢅV6ཞօገ࣑ă‫ړ‬ഄዐᅃ߲ᆅগٗ‫ۉگ‬ೝՎྺߛ‫ۉ‬ೝ้Lj໯჋ADC‫ڦܔ‬ൽᄣԍ‫׼‬ਸ࠲֑ٗ ᄣൎ࣑‫ڟ‬ԍ‫׼‬Lj඗ࢫՍഔ‫ۯ‬ገ࣑ă૧ᆩኄၵ๼෇‫܋‬Lj࣏੗ඟADC‫ܔ‬৊෇և‫ۉูݴ‬ఇ๕ă Rev. A | Page 11 of 32 AD7656-1/AD7657-1/AD7658-1  ᆅগՊࡽ 19 ᆅগఁ‫׬‬ ௮ຎ CS 20 RD 63 WR/REFEN/DIS 18 BUSY 51 REFIN/REFOUT 61 SER/PAR SEL 17 DB0/SEL A 16 DB1/SEL B 15 DB2/SEL C 14 DB3/DCIN C 13 DB4/DCIN B 12 DB5/DCIN A 11 DB6/SCLK 10 DB7/HBEN/DCEN ೌ჋ăُ‫ۉگ‬ೝᆶၳஇड๼෇๑ీຕ਍ኡ‫د‬๼ăසࡕCSࢅRD਩‫ت‬ᇀஇड‫ۉگ‬ೝLjཞ้჋ስժႜ থ੨Ljሶࣷ๑ీ๼‫؜‬ጺ၍Lj๑ገ࣑঳ࡕԥ๼‫؜‬ሞժႜຕ਍ጺ၍ฉăසࡕCSࢅWR਩‫ت‬ᇀஇड‫گ‬ ‫ۉ‬ೝLjཞ้჋ስժႜথ੨Ljሶ૧ᆩDB[15:8]ॽຕ਍ႀ෇ೌฉ੦዆स٪ഗă‫ړ‬჋ስ‫ز‬ႜথ੨้Lj ૧ᆩ CS๑ీ‫ز‬ႜຕ਍ኡ‫د‬๼Ljժደ߲๼‫ز؜‬ႜ๼‫؜‬ຕ਍‫ڦ‬ፌߛᆶၳ࿋(MSB)ă ‫܁‬ൽຕ਍ăසࡕCSࢅRD਩‫ت‬ᇀஇड‫ۉگ‬ೝLjཞ้჋ስժႜথ੨Ljሶࣷഔᆩ๼‫؜‬ጺ၍ă‫ړ‬჋ስ‫ز‬ ႜথ੨้Lj RD၍ୟᆌԍ‫ۉگ׼‬ೝă ႀ෇ຕ਍/ഔᆩࢅ্ᆩएጚ‫ۉ‬უă‫ړ‬H/S SELᆅগ‫ت‬ᇀߛ‫ۉ‬ೝLj൐CSࢅWR਩‫ت‬ᇀஇड‫ۉگ‬ೝ ้Lj૧ᆩDB[15:8]ॽຕ਍ႀ෇ాև੦዆स٪ഗă‫ړ‬H/S SELᆅগ‫ت‬ᇀ‫ۉگ‬ೝ้Ljُᆅগᆩઠഔ ᆩई্ᆩాևएጚ‫ۉ‬უă‫ړ‬H/S SEL = 0൐REFEN / DIS = 0้Lj্ᆩాևएጚ‫ۉ‬უLjᆌॽྔևएጚ ‫ۉ‬უแे‫ڟ‬REFIN/REFOUTᆅগă‫ړ‬H/S SEL = 0൐REFEN / DIS = 1้Ljഔᆩాևएጚ‫ۉ‬უLjᆌ޿ ‫ܔ‬REFIN/REFOUTᆅগेඁ᳘ă֖९ాև/ྔևएጚ‫ۉ‬უև‫ݴ‬ă ๼‫ݏ؜‬஬ăਸ๔ገ้࣑LjُᆅগՎྺߛ‫ۉ‬ೝLjժԍ‫ۉߛ׼‬ೝ኱‫ڟ‬ገ࣑ྜ‫ׯ‬Ljժ൐ገ࣑ຕ਍ԥ໮ ٪‫ڟ‬๼‫؜‬ຕ਍स٪ഗăසࡕBUSY႑ࡽ‫ت‬ᇀߛ‫ۉ‬ೝLjᆯᇀࣷࢮ୼ඪࢆแे‫ڦ‬CONVSTՉᄂLjᅺُ AD7656-1/AD7657-1/AD7658-1࿮݆ഔ‫ۯ‬ႎ‫ڦ‬ገ࣑ă एጚ‫ۉ‬უ๼෇/एጚ‫ۉ‬უ๼‫؜‬ă੗ཚࡗُᆅগ༵ࠃೌฉएጚ‫ۉ‬უăईኁLj੗্ᆩాևएጚ‫ۉ‬უLj ժॽྔևएጚ‫ۉ‬უแे‫ُڟ‬๼෇‫܋‬ă֖९ాև/ྔևएጚ‫ۉ‬უև‫ݴ‬ăഔᆩాևएጚ‫ۉ‬უ้Lj૧ᆩ ዁ณᅃ߲1 μFඁ᳘‫ۉ‬ඹ‫ُܔ‬ᆅগඁ᳘ă ‫ز‬ႜ/ժႜ჋ስ๼෇ă‫ُړ‬ᆅগ‫ت‬ᇀ‫ۉگ‬ೝ้Lj჋ስժႜথ੨ă‫ُړ‬ᆅগ‫ت‬ᇀߛ‫ۉ‬ೝ้Lj჋ስ‫ز‬ ႜথ੨ă‫ړ‬჋ስ‫ز‬ႜথ੨้LjDB[10:8]ᆩፕDOUT[C:A]LjDB[0:2]ᆩፕDOUTLjܸDB7ᆩፕ DCENă‫ړ‬჋ስ‫ز‬ႜথ੨้Lj૶থDB15तDB[13:11]‫ڟ‬DGNDă ຕ਍࿋0/჋ስDOUT Aă‫ړ‬SER/PAR SEL = 0้Ljُᆅগ؊‫ړ‬ෙༀժႜຕጴ๼‫؜‬ᆅগă‫ړ‬SER/PAR SEL = 1้LjُᆅগᆩፕSEL ALjժᆩઠದዃ‫ز‬ႜথ੨ăසࡕُᆅগྺ1Ljሶ‫ز‬ႜথ੨๑ᆩ1Ă2ई3߲ DOUT๼‫؜‬ᆅগ߾ፕLjժഔᆩDOUT Aፕྺ‫ز‬ႜ๼‫܋؜‬ă‫ړ‬჋ስ‫ز‬ႜথ੨้Ljُᆅগ๔ዕยྺ1ă ຕ਍࿋1/჋ስDOUT Bă‫ړ‬SER/PAR SEL = 0้Ljُᆅগ؊‫ړ‬ෙༀժႜຕጴ๼‫؜‬ᆅগă‫ړ‬SER/PAR SEL = 1้LjُᆅগᆩፕSEL BLjժᆩઠದዃ‫ز‬ႜথ੨ăසࡕُᆅগྺ1Ljሶ‫ز‬ႜথ੨๑ᆩ2ई3߲ DOUT๼‫؜‬ᆅগ߾ፕLjժഔᆩDOUT Bፕྺ‫ز‬ႜ๼‫܋؜‬ăසࡕُᆅগྺ0LjሶփഔᆩDOUT Bፕྺ‫ز‬ ႜຕ਍๼‫܋؜‬ᆅগLjৈ๑ᆩᅃ߲DOUT๼‫؜‬ᆅগDOUT Aăփᆩ‫زڦ‬ႜDOUTᆅগᆌԍ‫׼‬փ૶থă ຕ਍࿋2/჋ስDOUT Că‫ړ‬SER/PAR SEL = 0้Ljُᆅগ؊‫ړ‬ෙༀժႜຕጴ๼‫؜‬ᆅগă‫ړ‬SER/PAR SEL = 1้LjُᆅগᆩፕSEL CLjժᆩઠದዃ‫ز‬ႜথ੨ăසࡕُᆅগྺ1Ljሶ‫ز‬ႜথ੨๑ᆩ3߲ DOUT๼‫؜‬ᆅগ߾ፕLjժഔᆩDOUT Cፕྺ‫ز‬ႜ๼‫܋؜‬ăසࡕُᆅগྺ0LjሶփഔᆩDOUT Cፕ ྺ‫ز‬ႜຕ਍๼‫؜‬ᆅগăփᆩ‫زڦ‬ႜDOUTᆅগᆌԍ‫׼‬փ૶থă ຕ਍࿋3/ਅࢾ૾๼෇Că‫ړ‬SER/PAR SEL = 0้Ljُᆅগ؊‫ړ‬ෙༀժႜຕጴ๼‫؜‬ᆅগă‫ړ‬SER/PAR SEL = 1൐DCEN = 1้Ljُᆅগ؊‫ړ‬ਅࢾ૾๼෇Că‫ړ‬჋ስ‫ز‬ႜথ੨Lj‫ڍ‬ഗॲ࿄ሞਅࢾ૾ఇ๕ူ ߾ፕ้LjॽُᆅগࢅDGND၎૶ă ຕ਍࿋4/ਅࢾ૾๼෇Bă‫ړ‬SER/PAR SEL = 0้Ljُᆅগ؊‫ړ‬ෙༀժႜຕጴ๼‫؜‬ᆅগă‫ړ‬SER/PAR SEL = 1൐DCEN = 1้Ljُᆅগ؊‫ړ‬ਅࢾ૾๼෇Bă‫ړ‬჋ስ‫ز‬ႜথ੨Lj‫ڍ‬ഗॲ࿄ሞਅࢾ૾ఇ๕ူ ߾ፕ้LjॽُᆅগࢅDGND၎૶ă ຕ਍࿋5/ਅࢾ૾๼෇Aă‫ړ‬SER/PAR SEL‫ت‬ᇀ‫ۉگ‬ೝ้Ljُᆅগ؊‫ړ‬ෙༀժႜຕጴ๼‫؜‬ᆅগă‫ړ‬ SER/PAR SEL = 1൐DCEN = 1้Ljُᆅগ؊‫ړ‬ਅࢾ૾๼෇Aă‫ړ‬჋ስ‫ز‬ႜথ੨Lj‫ڍ‬ഗॲ࿄ሞਅࢾ ૾ఇ๕ူ߾ፕ้LjॽُᆅগࢅDGND၎૶ă ຕ਍࿋6/‫ز‬ႜ้ዓă‫ړ‬SER/PAR SEL = 0้Ljُᆅগ؊‫ړ‬ෙༀժႜຕጴ๼‫؜‬ᆅগă‫ړ‬SER/PAR SEL = 1้LjُᆅগᆩፕSCLK๼෇Ljժ‫زྺׯ‬ႜ‫د‬๼‫܁ڦ‬ൽ‫ز‬ႜ้ዓă ຕ਍࿋7/ߛጴবഔᆩ/ਅࢾ૾ഔᆩă‫ړ‬჋ስժႜথ੨Ljժሞጴఇ๕ူ๑ᆩഗॲDŽSER/PAR SEL = 0 ൐W/B = 0Dž้Ljُᆅগᆩፕຕ਍࿋7ă‫ړ‬჋ስժႜথ੨Ljժሞጴবఇ๕ူ๑ᆩഗॲ! )SER/PAR SEL = 0൐W/B = 1*!้LjُᆅগᆩፕHBENăසࡕHBENᆅগ‫ت‬ᇀஇडߛ‫ۉ‬ೝLjሶံሞDB[15:8]ฉ ๼‫؜‬MSBጴবຕ਍ăසࡕHBENᆅগ‫ت‬ᇀஇड‫ۉگ‬ೝLjሶံሞDB[15:8]ฉ๼‫؜‬LSBጴবຕ਍ă‫ړ‬ ჋ስ‫ز‬ႜথ੨DŽSER/PAR SEL = 1Dž้LjُᆅগᆩፕDCENăසࡕDCENᆅগ‫ت‬ᇀஇडߛ‫ۉ‬ೝ้Lj ሶഗॲ֑ᆩਅࢾ૾ఇ๕߾ፕLjཞ้DB[5:3]ᆩፕDCIN[A:C]ă‫ړ‬჋ስ‫ز‬ႜথ੨Lj‫ڍ‬ഗॲ࿄ሞਅࢾ ૾ఇ๕ူ߾ፕ้LjॽُᆅগࢅDGND၎૶ă Rev. A | Page 12 of 32 AD7656-1/AD7657-1/AD7658-1  ᆅগՊࡽ ᆅগఁ‫׬‬ ௮ຎ 7 DB8/DOUT A 6 DB9/DOUT B 5 DB10/DOUT C 4 DB11 2, 3, 64 DB13, DB12, DB15 1 DB14/REFBUFEN/DIS 28 RESET 27 RANGE 31 30 24 VDD VSS STBY 62 H/S SEL 29 W/B ຕ਍࿋8/‫ز‬ႜຕ਍๼‫؜‬Aă‫ړ‬SER/PAR SEL = 0้Ljُᆅগ؊‫ړ‬ෙༀժႜຕጴ๼‫؜‬ᆅগă‫ړ‬ SER/PAR SEL = 1൐SEL A = 1้LjُᆅগᆩፕDOUT ALjժ๼‫ز؜‬ႜገ࣑ຕ਍ă ຕ਍࿋9/‫ز‬ႜຕ਍๼‫؜‬Bă‫ړ‬SER/PAR SEL = 0้Ljُᆅগ؊‫ړ‬ෙༀժႜຕጴ๼‫؜‬ᆅগă‫ړ‬ SER/PAR SEL = 1൐SEL B = 1้LjُᆅগᆩፕDOUT BLjժ๼‫ز؜‬ႜገ࣑ຕ਍ăሞُದዃူLj‫ز‬ႜ থ੨ਏᆶଇୟDOUT๼‫؜‬၍ă ຕ਍࿋10/‫ز‬ႜຕ਍๼‫؜‬Că‫ړ‬SER/PAR SEL = 0้Ljُᆅগ؊‫ړ‬ෙༀժႜຕጴ๼‫؜‬ᆅগă‫ړ‬ SER/PAR SEL = 1൐SEL C = 1้LjُᆅগᆩፕDOUT CLjժ๼‫ز؜‬ႜገ࣑ຕ਍ăሞُದዃူLj‫ز‬ႜ থ੨ਏᆶෙୟDOUT๼‫؜‬၍ă ຕ਍࿋11/ຕጴ‫ں‬ă‫ړ‬SER/PAR SEL = 0้Ljُᆅগ؊‫ړ‬ෙༀժႜຕጴ๼‫؜‬ᆅগă‫ړ‬SER/PAR SEL = 1 ้LjॽُᆅগࢅDGND၎૶ă ຕ਍࿋12Ăຕ਍࿋13Ăຕ਍࿋15ă‫ړ‬SER/PAR SEL = 0้Ljኄၵᆅগ؊‫ړ‬ෙༀժႜຕጴ๼෇/๼‫؜‬ ᆅগă‫ړ‬CSࢅPD਩‫ت‬ᇀ‫ۉگ‬ೝ้Ljኄၵᆅগᆩઠ๼‫؜‬ገ࣑঳ࡕă‫ړ‬CSࢅWR਩‫ت‬ᇀ‫ۉگ‬ೝ้Lj ኄၵᆅগᆩઠႀ෇੦዆स٪ഗă‫ړ‬SER/PAR SEL = 1้LjॽኄၵᆅগࢅDGND၎૶ă‫ܔ‬ᇀ AD7657-1LjDB15ాࡤമዃ0ă‫ܔ‬ᇀAD7658-1LjDB15ĂDB13ࢅDB12ాࡤമዃ0ă ຕ਍࿋14/ഔᆩࢅ্ᆩएጚ‫ۉ‬უ࣐؋ă‫ړ‬SER/PAR SEL = 0้Ljُᆅগ؊‫ړ‬ෙༀժႜຕጴ๼෇/๼ ‫؜‬ᆅগă‫ܔ‬ᇀAD7657-1ࢅAD7658-1LjDB14ాࡤമዃ0ă‫ړ‬SER/PAR SEL = 1้Ljُᆅগ੗ᆩઠഔ ᆩई্ᆩాևएጚ‫ۉ‬უ࣐؋ă ް࿋๼෇ă‫ړ‬ยྺஇडߛ‫ۉ‬ೝ้Ljُᆅগ੗ް࿋AD7656-1/AD7657-1/AD7658-1ăሞ෉ॲఇ๕ ူLjዐኹ‫ړ‬മገ࣑Ljժॽాևस٪ഗยྺඇଭăሞᆘॲఇ๕ူLjߵ਍ᆘॲ჋ስᆅগฉ‫ڦ‬இड‫ۉ‬ ೝઠದዃAD7656-1/AD7657-1/AD7658-1ăሞଇዖఇ๕ူLjഗॲᆌ޿ሞฉ‫ࢫۉ‬๭‫ڟ‬ᅃ߲RESETߛ ஞ؋ăRESETߛஞ؋੻‫ۆ܈‬႙ኵྺ100nsăCONVSTᆅগ੗ሞRESETߛஞ؋೺क़ԍ‫ۉߛ׼‬ೝă‫ڍ‬ ๟ Lj ස ࡕ CONVSTᆅ গ ሞ RESETஞ ؋ ೺ क़ ԍ ‫ ۉ گ ׼‬ೝ Lj ሶ ሞ RESETஞ ؋ ኮ ࢫ Lj AD76561/AD7657-1 /AD7658-1Ⴔথ๭ᅃ߲ྜኝ‫ڦ‬CONVSTஞ؋ᅜՍഔ‫ۯ‬๯ْገ࣑Ǘኄ߲CONVSTஞ؋ᆌ Ԉઔᅃ߲ߛ዁‫ڦگ‬CONVSTူইᄂLjໜࢫ๟ᅃ߲‫گ‬዁ߛ‫ڦ‬CONVSTฉืᄂăሞᆘॲఇ๕ူLjᆩ ࢽ੗ሞ௅߲ገ࣑ዜ೺ࢫ݀‫؜‬RESETஞ؋LjनሞBUSYٗߛ‫ۉ‬ೝՎྺ‫ۉگ‬ೝժ‫܁‬ൽຕ਍ࢫLj੗ᅜߴ ഗॲแेᅃ߲100ns RESETஞ؋ă඗ࢫ੗ሞူᅃ߲ྜኝ‫ڦ‬CONVSTஞ؋ኮമ݀‫؜‬RESETஞ؋ăሞ ُ൧઄ူLjඓԍRSETሞူᅃ߲ྜኝ‫ڦ‬CONVSTஞ؋ኮമ࣬ްஇड‫ۉگ‬ೝă ఇె๼෇‫ྷݔ‬჋ስăஇड๼෇ăُᆅগ‫ڦ‬இड‫ۉ‬ೝਦۨఇె๼෇ཚ‫ڦڢ‬๼෇‫ྷݔ‬ă‫ُړ‬ᆅগሞ BUSYူইᄂྺஇड1้Ljူᅃْገ࣑‫ྺྷݔڦ‬±2 × VREFă‫ُړ‬ᆅগሞBUSYူইᄂྺஇड0้Lj ူᅃْገ࣑‫ྺྷݔڦ‬±4 × VREFăሞᆘॲ჋ስఇ๕ူLjሞBUSYူইᄂॠֱRANGEᆅগăሞ෉ॲ ఇ๕(H/S SEL = 1)ူLj੗ॽRANGEᆅগࢅDGND၎૶Lj඗ࢫᆯ੦዆स٪ഗా‫ڦ‬RNGAĂRNGBࢅ RNGC࿋ਦۨ๼෇‫ྷݔ‬ă ኟ‫ۉ‬ᇸ‫ۉ‬უLjኄ๟ఇె๼෇և‫ڦݴ‬ኟ‫ۉ‬ᇸ‫ۉ‬უă ޶‫ۉ‬ᇸ‫ۉ‬უLjኄ๟ఇె๼෇և‫ۉ޶ڦݴ‬ᇸ‫ۉ‬უă ‫ځ‬ऐఇ๕๼෇ăُᆅগᆩઠඟඇևୃ߲ೌฉADC৊෇‫ځ‬ऐఇ๕ăSTBYᆅগ‫ت‬ᇀߛ‫ۉ‬ೝ้՗๖ኟ ‫֡׉‬ፕLj‫ت‬ᇀ‫ۉگ‬ೝ้՗๖‫ځ‬ऐ֡ፕă ᆘॲ/෉ॲ჋ስ๼෇ăஇड๼෇ă‫ړ‬H/S SEL = 0้LjAD7656-1/AD7657-1/AD7658-1ሞᆘॲ჋ስఇ ๕ူ߾ፕLjժཚࡗCONVSTᆅগઠ჋ስႴཞօ֑ᄣ‫ڦ‬ADC‫ܔ‬ă‫ړ‬H/S SEL = 1้Ljཚࡗႀ෇੦዆ स٪ഗ֡ፕઠ჋ስႴཞօ֑ᄣ‫ڦ‬ADC‫ܔ‬ă‫ړ‬჋ስ‫ز‬ႜথ੨้Lj૧ᆩCONVST Aഔ‫ۯ‬໯჋ADC‫ܔ‬ ገ࣑ă ጴ/ጴব๼෇ă‫ُړ‬ᆅগ‫ت‬ᇀஇड‫ۉگ‬ೝ้Lj੗૧ᆩժႜຕ਍၍DB[15:0]ઠ‫د‬๼AD7656-1/ AD7657-1/AD7658-1‫ڦ‬๼෇๼‫؜‬ຕ਍ă‫ُړ‬ᆅগ‫ت‬ᇀஇडߛ‫ۉ‬ೝ൐჋ስժႜথ੨้Ljഔᆩጴব ఇ๕ăሞُఇ๕ူLj૧ᆩຕ਍၍DB[15:8]ઠ‫د‬๼ຕ਍LjDB 7ᆩፕHBENăᄲइ‫ڥ‬16࿋ገ࣑঳ࡕLj Ⴔ৊ႜມጴব‫܁‬ൽă‫ړ‬჋ስ‫ز‬ႜথ੨้LjॽُᆅগࢅDGND၎૶ă Rev. A | Page 13 of 32 AD7656-1/AD7657-1/AD7658-1  ‫ۆ‬႙߾ፕ༬Ⴀ 2.0 0 –40 –60 –80 1.0 DNL (LSB) –20 –100 0.5 0 –0.5 –120 –1.0 –140 –180 –1.5 07017-004 –160 0 20 40 60 80 100 –2.0 120 07017-007 AMPLITUDE (dB) VDD/VSS = ±12V TA = –40°C AVCC/DVCC/VDRIVE = 5V DNL WCP = 0.61LSB 1.5 f = 250kSPS DNL WCN = –0.82LSB SAMPLE 2 × VREF RANGE VDD/VSS = ±15V AVCC/DVCC/VDRIVE = 5V ±10V RANGE INTERNAL REFERENCE TA = 25°C fSAMPLE = 250kSPS fIN = 10kHz SNR = 88.44dB SINAD = 88.43dB THD = –111.66dB 0 10k 20k –60 –80 1.2 –120 0.4 0 –0.4 –0.8 –140 0 20 40 60 80 100 07017-008 07017-005 –1.2 –160 –1.6 –2.0 120 0 2000 4000 6000 2.0 VDD/VSS = ±12V AVCC/DVCC/VDRIVE = 5V 1.5 f SAMPLE = 250kSPS ±5V RANGE 1.0 1.0 0.5 0.5 0 0 –0.5 –0.5 –1.0 –1.0 –1.5 –1.5 20k 30k 40k 50k –2.0 60k 65535 07017-009 DNL (LSB) VDD/VSS = ±12V TA = –40°C AVCC/DVCC/VDRIVE = 5V INL WCP = 0.97LSB 1.5 fSAMPLE = 250kSPS INL WCN = –0.72LSB 2 × VREF RANGE 07017-006 INL (LSB) 2.0 10k 10000 12000 14000 16000 ཮8. AD7657-1‫ۆ‬႙ओ‫ݥݴ‬၍Ⴀ(INL)Ⴀీ ཮5. AD7656-1 FFTDŽ±5 V‫ྷݔ‬LjVDD/VSS = ±12 VDž 0 8000 CODE FREQUENCY (kHz) –2.0 60k 65535 0.8 –100 –180 50k VDD/VSS = ±12V AVCC/DVCC/VDRIVE = 5V fSAMPLE = 250kSPS ±5V RANGE 1.6 INL (LSB) –40 AMPLITUDE (dB) 2.0 VDD/VSS = ±12V AVCC/DVCC/VDRIVE = 5V ±5V RANGE INTERNAL REFERENCE TA = 25°C fSAMPLE = 250kSPS fIN = 10kHz SNR = 88.25dB SINAD = 88.24dB THD = –112.46dB –20 40k ཮7. AD7656-1‫ۆ‬႙ྲ‫ݥݴ‬၍Ⴀ(DNL)Ⴀీ ཮4. AD7656-1 FFTDŽ±10 V‫ྷݔ‬LjVDD/VSS = ±15 VDž 0 30k CODE FREQUENCY (kHz) 0 2000 4000 6000 8000 10000 12000 14000 16000 CODE CODE ཮6. AD7656-1‫ۆ‬႙ओ‫ݥݴ‬၍Ⴀ(INL)Ⴀీ ཮9. AD7657-1‫ۆ‬႙ྲ‫ݥݴ‬၍Ⴀ(DNL)Ⴀీ Rev. A | Page 14 of 32 AD7656-1/AD7657-1/AD7658-1  1.0 –80 VDD/VSS = ±12V 0.8 AVCC/DVCC/VDRIVE = 5V fSAMPLE = 250kSPS 0.6 ±5V RANGE –85 –90 0.4 THD (dB) 0.2 INL (LSB) fSAMPLE = 250kSPS TA = 25°C INTERNAL REFERENCE 0 –0.2 –0.4 –95 –100 ±10V RANGE VDD/VSS = ±12V AVCC/DVCC/VDRIVE = 5V –105 –0.6 0 500 1000 1500 2000 2500 3000 3500 –115 10 4000 CODE ཮13. AD7656-1ጺၿհ฿ኈ(THD)Ⴀీᇑఇె๼෇ೕ୲‫࠲ڦ‬ဣ –80 VDD/VSS = ±12V AVCC/DVCC/VDRIVE = 5V fSAMPLE = 250kSPS ±5V RANGE 0.8 0.6 100 ANALOG INPUT FREQUENCY (kHz) ཮10. AD7658-1‫ۆ‬႙ओ‫ݥݴ‬၍Ⴀ(INL)Ⴀీ 1.0 ±5V RANGE VDD/VSS = ±12V AVCC/DVCC/VDRIVE = 5V 07017-013 –1.0 –110 07017-010 –0.8 –90 VDD/VSS = ±16.5V AVCC/DVCC/VDRIVE = 5.25V TA = 25°C INTERNAL REFERENCE ±4 × VREF RANGE RSOURCE = 1000 0.4 THD (dB) DNL (LSB) 0.2 0 –0.2 RSOURCE = 220 –100 RSOURCE = 50 –0.4 –110 –0.6 –1.0 0 500 1000 1500 2000 2500 3000 3500 –120 10 4000 CODE ཮14. ሞ߳ዖᇸፆੇူत±4 × VREF‫ాྷݔ‬Lj AD7656-1ጺၿհ฿ኈ(THD)Ⴀీᇑఇె๼෇ೕ୲‫࠲ڦ‬ဣ SINAD (dB) 88 87 86 –80 ±10V RANGE VDD/VSS = ±12V AVCC/DVCC/VDRIVE = 5V –85 –90 THD (dB) 89 fSAMPLE = 250kSPS TA = 25°C INTERNAL REFERENCE 100 ANALOG INPUT FREQUENCY (kHz) ཮11. AD7658-1‫ۆ‬႙ྲ‫ݥݴ‬၍Ⴀ(DNL)Ⴀీ 90 07017-014 07017-011 –0.8 RSOURCE = 100 RSOURCE = 10 ±5V RANGE VDD/VSS = ±12V AVCC/DVCC/VDRIVE = 5V 85 –95 VDD/VSS = ±12V AVCC/DVCC/VDRIVE = 5V TA = 25°C INTERNAL REFERENCE ±2 × VREF RANGE RSOURCE = 1000 –100 –105 RSOURCE = 220 RSOURCE = 100 RSOURCE = 50 83 10 100 ANALOG INPUT FREQUENCY (kHz) –110 RSOURCE = 10 –115 10 07017-015 07017-012 84 100 ANALOG INPUT FREQUENCY (kHz) ཮15. ሞ߳ዖᇸፆੇူत±2 × VREF‫ాྷݔ‬Lj AD7656-1ጺၿհ฿ኈ(THD)Ⴀీᇑఇె๼෇ೕ୲‫࠲ڦ‬ဣ ཮12. AD7656-1႑భԲ(SINAD)Ⴀీᇑఇె๼෇ೕ୲‫࠲ڦ‬ဣ Rev. A | Page 15 of 32 AD7656-1/AD7657-1/AD7658-1 2.510 2.508  100 AVCC/DVCC/VDRIVE = 5V VDD/VSS = ±12V fSAMPLE = 250kSPS ±2 × VREF RANGE INTERNAL REFERENCE TA = 25°C fIN = 10kHz 100nF ON VDD AND VSS 80 2.504 PSRR (dB) REFERENCE VOLTAGE (V) 90 2.506 2.502 2.500 2.498 70 VSS 60 VDD 2.496 2.492 –55 –35 –15 5 25 45 65 85 105 40 30 125 07017-019 07017-016 50 2.494 80 130 ཮16. एጚ‫ۉ‬უᇑ࿒‫࠲ڦ܈‬ဣ 3.20 89 330 380 430 530 480 ±10V RANGE AVCC/DVCC/VDRIVE = 5.25V VDD/VSS = ±16.5V 3.05 3.00 SNR (dB) 2.95 2.90 88 ±5V RANGE AVCC/DVCC/VDRIVE = 5V VDD/VSS = ±12V 87 2.85 2.80 07017-017 2.70 –55 fSAMPLE = 250kSPS fIN = 10kHz –35 –15 5 25 45 65 85 105 85 –40 125 INTERNAL REFERENCE –20 0 20 TEMPERATURE (°C) –90 3212 VDD/VSS = ±15V AVCC/DVCC/VDRIVE = 5V INTERNAL REFERENCE 8192 SAMPLES 2500 80 100 120 140 ཮20. AD7656-1႑ሯԲ(SNR)ᇑ࿒‫࠲ڦ܈‬ဣ 3500 2806 60 TEMPERATURE (°C) ཮17. ገ้࣑क़ᇑ࿒‫࠲ڦ܈‬ဣ 3000 40 07017-020 86 2.75 fSAMPLE = 250kSPS fIN = 10kHz –95 INTERNAL REFERENCE THD (dB) –100 2000 1532 1500 ±5V RANGE AVCC/DVCC/VDRIVE = 5V VDD/VSS = ±12V –105 –110 1000 168 57 –4 –3 –2 –1 0 1 25 0 2 3 07017-018 0 0 –5 ±10V RANGE AVCC/DVCC/VDRIVE = 5.25V VDD/VSS = ±16.5V –115 392 500 –120 –60 –40 –20 0 20 40 60 80 100 120 TEMPERATURE (°C) CODE ཮18. AD7656-1)ఇె๼෇থ‫ں‬൧઄ူ*๼‫؜‬ஓጴ኱‫཮ݛ‬ ཮21. AD7656-1ጺၿհ฿ኈ(THD)ᇑ࿒‫࠲ڦ܈‬ဣ Rev. A | Page 16 of 32 07017-021 CONVERSION TIME (μs) 280 90 3.10 NUMBER OF OCCURRENCES 230 ཮19. ‫ۉ‬ᇸ‫ۉ‬უᅞ዆Բ(PSRR)ᇑ‫ۉ‬ᇸ࿖հೕ୲‫࠲ڦ‬ဣ AVCC/DVCC/VDRIVE = 5V VDD/VSS = ±12V 3.15 180 SUPPLY RIPPLE FREQUENCY (kHz) TEMPERATURE (°C) 140 AD7656-1/AD7657-1/AD7658-1  95 90 110 85 90 75 fSAMPLE = 250kSPS ±2 × VREF RANGE INTERNAL REFERENCE TA = 25°C fIN = 10kHz 1μF ON AVCC SUPPLY PIN ±100mV SUPPLY RIPPLE AMPLITUDE 80 70 AVCC/DVCC/VDRIVE = 5V VDD/VSS = ±12V TA = 25°C INTERNAL REFERENCE ±2 × VREF RANGE 30kHz ON SELECTED CHANNEL 70 60 0 20 40 60 80 100 120 140 ཮22. ཚ‫ڢ‬क़߰૗ᇑ๼෇ሯำೕ୲‫࠲ڦ‬ဣ ±5V RANGE ±10V RANGE 18 16 14 AVCC/DVCC/VDRIVE = 5V fSAMPLE = 250kSPS FOR ±5V RANGE VDD/VSS = ±12V FOR ±10V RANGE VDD/VSS = ±16.5V 10 –40 –20 0 20 40 60 07017-023 12 80 60 30 70 110 150 190 230 ཮24. ‫ۉ‬ᇸ‫ۉ‬უᅞ዆Բ(PSRR)ᇑAVCC‫ۉ‬ᇸ࿖հೕ୲‫࠲ڦ‬ဣ 22 20 65 SUPPLY RIPPLE FREQUENCY (kHz) FREQUENCY OF INPUT NOISE (kHz) DYNAMIC CURRENT (mA) 80 100 120 TEMPERATURE (°C) ཮23. ‫ۯ‬ༀ‫ୁۉ‬ᇑ࿒‫࠲ڦ܈‬ဣ Rev. A | Page 17 of 32 07017-036 PSRR (dB) 100 07017-022 CHANNEL-TO-CHANNEL ISOLATION (dB) 120 AD7656-1/AD7657-1/AD7658-1  ຍᇕ ओ‫ݥݴ‬၍Ⴀ(INL) ADC‫ࡧڿد‬ຕᇑᅃཉཚࡗADC‫ࡧڿد‬ຕ‫ڦۅ܋‬኱၍‫ڦ‬ፌ‫ٷ‬ ೋֶă‫ࡧڿد‬ຕ‫ڦ‬ଇ߲‫ۅ܋‬Ljഐ‫ۅ‬ሞ‫گ‬ᇀ‫ڼ‬ᅃ߲ஓገ࣑‫ڦ‬ ½ LSB‫ڦت‬ଭ‫ۉ‬ೝLjዕ‫ۅ‬ሞߛᇀፌࢫᅃ߲ஓገ࣑‫ ½ڦ‬LSB‫ت‬ ‫ڦ‬஢ଉ‫ײ‬ă ྲ‫ݥݴ‬၍Ⴀ(DNL) ADCዐඪᅪଇ߲၎ତஓኮक़໯֪‫ڥ‬Վࣅኵᇑ૙ၙ‫ڦ‬1 LSBՎ ࣅኵኮक़‫ֶڦ‬ᅴă ມटႠଭ‫ۉ‬ೝဃֶ! ӷଉ‫ײ‬ገ࣑)ඇ1‫ڟ‬ඇ0*ᇑ૙ၙVIN‫ۉ‬უLjनAGND − 1 LSB ‫ڦ‬ೋֶă ມटႠଭ‫ۉ‬ೝဃֶ೅ದ! ඪࢆଇ߲๼෇ཚ‫ڢ‬ኮक़ມटႠଭ‫ۉ‬ೝဃֶ‫ֶڦ‬ᅴă ኟ஢ଉ‫ײ‬ဃֶ! ၯኟມटႠଭ‫ۉ‬ೝဃֶኮࢫLjፌࢫᅃ߲ஓገ࣑DŽ011 … 110 ዁011 … 111Džᇑ૙ၙኵDŽ+4 × VREF − 1 LSBĂ+2 × VREF − 1 LSBDž‫ڦ‬ೋֶă ኟ஢ଉ‫ײ‬ဃֶ೅ದ! ඪࢆଇ߲๼෇ཚ‫ڢ‬ኮक़ኟ஢ଉ‫ײ‬ဃֶ‫ֶڦ‬ᅴă ޶஢ଉ‫ײ‬ဃֶ! ၯኟມटႠଭ‫ۉ‬ೝဃֶኮࢫLj‫ڼ‬ᅃ߲ஓገ࣑DŽ10 … 000዁ 10 … 001Džᇑ૙ၙኵDŽ−4 × VREF + 1 LSBLj−2 × VREF + 1 LSBDž‫ڦ‬ೋֶă ޶஢ଉ‫ײ‬ဃֶ೅ದ! ඪࢆଇ߲๼෇ཚ‫ڢ‬ኮक़޶஢ଉ‫ײ‬ဃֶ‫ֶڦ‬ᅴă ጺၿհ฿ኈ(THD) ໯ ᆶ ၿ հ ਩ ‫ ࢅ ߵ ݛ‬ᇑ ए հ ‫ ڦ‬Բ ኵ ă ‫ ܔ‬ᇀ AD76561/AD7657-1/ AD7658-1Ljഄۨᅭྺ 2 THD (dB) = 20 log 2 2 V 2 2 + V 3 + V 4 + V5 + V6 2 V1 ഄዐǖ V1๟एհ‫ޗ‬ኵ‫ڦ‬਩‫ߵݛ‬ኵă V2ĂV3ĂV4ĂV5तV6๟ْܾ‫ْୃڟ‬ၿհ‫ޗ‬ኵ‫ڦ‬਩‫ߵݛ‬ኵă ‫ރ‬ኵၿհईሗොሯำ! ሞADC๼‫؜‬ೕ೷)ፌߛ‫ٳ‬fSAMPLE/2Lj኱ୁ႑ࡽ‫*ྔأ‬ዐLjူᅃ ߲ፌ‫ݴٷ‬ଉ‫ڦ‬਩‫ߵݛ‬ኵᇑएհ਩‫ߵݛ‬ኵ‫ڦ‬Բăཚ‫׉‬൧઄ ူLjُ֖ຕኵᆯೕ೷ా‫ڦ‬ፌ‫ٷ‬ၿհਦۨLj‫ܔڍ‬ᇀၿհჷு ᇀԨ‫ڹ‬ሯำా‫ڦ‬ADCLjሶᆯሯำ‫ރ‬ኵਦۨă ঍ۙ฿ኈ(IMD) ‫ړ‬๼෇ᆯଇ߲ೕ୲‫ݴ‬՚ྺfaࢅfb‫ڦ‬ኟ၀հፇ‫้ׯ‬Ljඪࢆ‫ݥ‬ ၍Ⴀᆶᇸഗॲ‫ࣷۼ‬ᅜࢅᇑֶೕ୲mfa ± nfbDŽഄዐm, n = 0, 1, 2, 3Dž‫ڦ‬ႚ๕ׂิ฿ኈओă঍ۙ฿ኈၜ‫ڦ‬mࢅn‫ۼ‬փ‫ڪ‬ᇀ0ă ૩සLjܾ঩ၜԈઔ(fa + fb)ࢅ(fa − fb)Ljܸෙ঩ၜԈઔ(2fa + fb)Ă(2fa − fb)Ă(fa + 2fb)ࢅ(fa − 2fb)ă AD7656-1/AD7657-1/AD7658-1ঢ়ࡗCCIFՔጚ֪๬LjُՔ ጚ๑ᆩፌ‫ٷ‬๼෇‫޹੻ټ‬ৎ‫ڦ‬ଇ߲๼෇ೕ୲ăሞُ൧઄ူLj ܾ঩ၜೕ୲ཚ‫׉‬ᇺ૗ፌ‫؛‬ኟ၀հLjܸෙ঩ၜೕ୲ཚ‫੍׉‬ৎ ๼෇ೕ୲ăᅺُLjܾ঩ࢅෙ঩ၜႴ‫ݴ‬՚ኸۨă঍ۙ฿ኈߵ ਍THD֖ຕઠऺ໙Lj໲๟߲՚฿ኈओ‫ڦ‬਩‫ࢅߵݛ‬ᇑएհࢅ ‫ޗڦ‬ኵ਩‫ڦߵݛ‬ԲኵLjᆩ‫ݴ‬Ԟ՗๖ă ֑ᄣԍ‫֑׼‬ण้क़! ֑ᄣԍ‫ٷݣ׼‬ഗሞገ࣑঳ຐࢫ࣬ް߶ጷఇ๕ă֑ᄣԍ‫֑׼‬ ण้क़๟ገ࣑঳ຐࢫLj֑ᄣԍ‫ٷݣ׼‬ഗ๼‫ڟٳ؜‬ፌዕኵ)ሞ ±1 LSBా*໯Ⴔ‫้ڦ‬क़ă߸‫ၘܠ‬൧֖९“֑ᄣԍ‫”׼‬և‫ݴ‬ă ཚ‫ڢ‬क़߰૗ ཚ‫ڢ‬क़߰૗࢚ଉඪᅪଇ߲ཚ‫ڢ‬ኮक़‫زڦ‬ඡ຤ೝăཚࡗၠ໯ ᆶ࿄჋ۨ‫ڦ‬๼෇ཚ‫ڢ‬แेᅃ߲஢ଉ‫ײ‬Ă100kHzኟ၀հ႑ ࡽLjժਦۨ޿႑ࡽሞ჋ۨཚ‫ాڢ‬ໜ30kHz႑ࡽ‫ڦ‬ປ३‫܈ײ‬ ઠ֪ଉă ႑భԲ(SINAD) ሞADC๼‫ڦڥ֪܋؜‬႑ࡽ‫ܔ‬ሯำत฿ኈԲăኄ૛‫ڦ‬႑ࡽ๟ एհ‫ڦ‬਩‫ޗߵݛ‬ኵăሯำྺ໯ᆶ‫֑ڟٳ‬ᄣೕ୲ᅃӷ )fSAMPLE/2Lj኱ୁ႑ࡽ‫ݥڦ*ྔأ‬एհ႑ࡽኮࢅă ‫ۉ‬ᇸᅞ዆(PSR) ‫ۉ‬ᇸՎࣅࣷᆖၚገ࣑ഗ‫ڦ‬஢ଉ‫ײ‬ገ࣑Lj‫ڍ‬փࣷᆖၚഄ၍ Ⴀă‫ۉ‬ᇸᅞ዆๟ᆯᇀ‫ۉ‬ᇸ‫ۉ‬უೋ૗Ք‫׬‬ኵ໯ᆅഐ‫ڦ‬ፌ‫ٷ‬஢ ଉ‫ײ‬ገ࣑‫ۅ‬Վࣅă֖९“‫ۆ‬႙߾ፕ༬Ⴀ”և‫ݴ‬ă ሞຕጴࣅࡗ‫ײ‬ዐLjኄ߲Բኵ‫ٷڦ‬ၭൽਦᇀଉࣅपຕLjଉࣅ पຕሁ‫ܠ‬Ljଉࣅሯำ৽ሁၭă‫ܔ‬ᇀᅃ߲ኟ၀հ๼෇‫ڦ‬૙ၙ N࿋ገ࣑ഗLj႑భԲ૙ஃኵऺ໙ࠅ๕ྺǖ SINAD = (6.02 N + 1.76) dB ᅺُLj16࿋ገ࣑ഗ‫ڦ‬SINAD૙ஃኵྺ98dBLj14࿋ገ࣑ഗྺ 86.04 dBLj12࿋ገ࣑ഗྺ74dBă Rev. A | Page 18 of 32 AD7656-1/AD7657-1/AD7658-1  ཮19၂๖AD7656-1/AD7657-1/AD7658-1‫ۉڦ‬ᇸᅞ዆Բᇑ‫ۉ‬ ᇸ࿖հೕ୲‫࠲ڦ‬ဣă‫ۉ‬ᇸᅞ዆Բۨᅭྺ஢ଉ‫ײ‬ೕ୲fူ ADC๼‫୲ࠀ؜‬ᇑ֑ᄣೕ୲fSAMPLEူแेᇀADC VDDࢅVSS‫ۉ‬ ᇸ‫ڦ‬200mV‫ރރ‬ኵኟ၀հࠀ୲‫ڦ‬Բኵǖ PSRR (dB) = 10 log(Pf/PfS) ഄዐǖ Pf๟ሞೕ୲fူADC‫ڦ‬๼‫୲ࠀ؜‬ă PfS๟ሞೕ୲fSAMPLEူ᳘ࢇ‫ڟ‬VDDࢅVSS‫ۉ‬ᇸ‫୲ࠀڦ‬ă Rev. A | Page 19 of 32 AD7656-1/AD7657-1/AD7658-1  ߾ፕᇱ૙ ገ࣑ഗၘ঴ ఇె๼෇ AD7656-1/AD7657-1/AD7658-1‫ݴ‬՚๟AD7656/AD7657/ AD7658ই‫گ‬ඁ᳘ᄲ൱‫ڦ‬ᆅগࢅ෉ॲग़ඹӲԨăُྔLjෙ੼ ഗॲ਩ྺߛ໏Ă‫ࡼࠀگ‬ገ࣑ഗLjሎႹ‫ೌ߲ୃܔ‬ฉADC৊ႜ ཞօ֑ᄣLjժ൐ఇె๼෇‫܋‬੗থ๭ኈມटႠ๼෇႑ࡽă੗ ཚࡗRANGEᆅগईRNGx࿋Lj჋ስ±4 × VREFई±2 × VREFፕ ྺူᅃْገ࣑‫ڦ‬๼෇‫ྷݔ‬ă AD7656-1/AD7657-1/AD7658-1ኧ‫׼‬ኈມटႠ๼෇‫ۉ‬უă RANGEᆅগ‫ڦ‬இड‫ۉ‬ೝई੦዆स٪ഗRNGx࿋‫ڦ‬ႀ෇ኵ ਦ ۨ ူ ᅃ ْ ገ ࣑ ‫ ڦ‬ఇ ె ๼ ෇ ‫ ྷ ݔ‬ă ‫ ړ‬RANGEᆅ গ ई RNGx࿋ྺ1้Ljူᅃْገ࣑‫ڦ‬ఇె๼෇‫ྺྷݔ‬±2 × VREFă ‫ړ‬RANGEᆅগईRNGx࿋ྺ0้Ljူᅃْገ࣑‫ڦ‬ఇె๼෇ ‫ྺྷݔ‬±4 × VREFă ཚࡗஞ؋घऄCONVST๼෇Lj੗ഔ‫ۯ‬AD7656-1/AD7657-1/ AD7658-1‫ڦ‬ገ࣑ăሞCONVSTฉืᄂ้Lj໯჋ADC‫֑ڦܔ‬ ᄣԍ‫ٷݣ׼‬ഗ৊෇ԍ‫׼‬ఇ๕Ljժਸ๔ገ࣑ă‫ڟٳ‬CONVST ฉืᄂࢫLjBUSY႑ࡽՎྺߛ‫ۉ‬ೝLj՗๖ኟሞ৊ႜገ࣑ă ገ࣑֑ᆩాև้ዓLjገ้࣑क़ྺ3 μsăኻᄲBUSYԍ‫ۉߛ׼‬ ೝLjՍࣷࢮ୼CONVST AĂCONVST BईCONVST Cฉ‫ڦ‬ඪ ࢆഄ໱CONVSTฉืᄂăBUSY႑ࡽ࣬ް‫ۉگ‬ೝ՗๖ገ࣑ ঳ຐăሞBUSYူইᄂ้Lj֑ᄣԍ‫ٷݣ׼‬ഗ‫߶࣮ݓ‬ጷఇ ๕ăຕ਍੗ཚࡗժႜई‫ز‬ႜথ੨ٗ๼‫؜‬स٪ഗ‫܁‬ൽă ֑ᄣԍ‫ٷݣ׼‬ഗ! AD7656-1/AD7657-1/AD7658-1‫֑ڦ‬ᄣԍ‫ٷݣ׼‬ഗ੗ᅜॽ஢ ଉ‫ޗײ‬ኵ‫ڦ‬๼෇ኟ၀հ‫ݴ‬՚৛ඓ‫ں‬ገ࣑‫ׯ‬16/14/12࿋‫ݴ‬Ր ୲ăन๑AD7656-1/AD7657-1/AD7658-1ᅜፌ‫ུཾٷ‬໏୲߾ ፕLj֑ᄣԍ‫ٷݣ׼‬ഗ‫ڦ‬๼෇‫੻ټ‬ᄺ‫ٷ‬ᇀADC‫ڦ‬లઊຯ༬ೕ ୲ăኄၵഗॲ੗ኧ‫ٳߛ׼‬4.5 MHz‫ڦ‬๼෇ೕ୲ă ֑ᄣԍ‫ٷݣ׼‬ഗሞCONVSTฉืᄂ้‫ܔ‬ഄ߳ጲ๼෇৊ႜཞ օ֑ᄣă֑ᄣԍ‫ٷݣ׼‬ഗ‫ڦ‬੥০้क़DŽनྔևCONVST႑ ࡽ֑ٗᄣ‫ํڟ‬ा৊෇ԍ‫׼‬ఇ๕‫ڦ‬ჽ‫้׿‬क़Džྺ10nsă࿮ஃ ๟‫߲ڇ‬ഗॲ࣏๟ഗॲኮक़Lj໯ᆶୃ߲֑ᄣԍ‫ٷݣ׼‬ഗ‫ڦ‬੥ ০้क़‫ྜۼ‬ඇ೅ದăᅺُሎႹ‫߲ୃܔ‬ᅜฉADC৊ႜཞօ֑ ᄣăBUSYူইᄂ՗๖ገ࣑঳ຐLjُ้֑ᄣԍ‫ٷݣ׼‬ഗ‫ݓ‬ ࣮߶ጷఇ๕Lj֑ण้क़ਸ๔ऺ้ă VDD D1 V1 C1 R1 D2 C2 07017-024 AD7656-1/AD7657-1/AD7658-1਩ాዃୃ߲SAR ADCĂୃ ߲֑ᄣԍ‫ٷݣ׼‬ഗĂᅃ߲2.5Vೌฉएጚ‫ۉ‬უĂएጚ‫ۉ‬უ ࣐ ؋ ࢅ ߛ ໏ ‫ ز‬ႜ ժ ႜ থ ੨ ă ෙ ߲ CONVSTDŽ CONVST AĂCONVST BࢅCONVST CDžᆅগ૶ሞᅃഐ้Lj࣏ሎႹ‫ܔ‬ ໯ᆶୃ߲ADC৊ႜཞօ֑ᄣăईኁLjୃ߲ADC੗‫ׯݴ‬ෙ ‫ܔ‬ă௅‫ۼܔ‬ᆶᅃ߲၎࠲‫ڦ‬CONVST႑ࡽLjᆩઠ‫ܔ‬௅‫ܔ‬Ă຺ ߲ईඇևୃ߲ADCഔ‫ۯ‬ཞօ֑ᄣăCONVST Aᆩઠ‫ܔ‬V1ࢅ V2ഔ‫ۯ‬ཞօ֑ᄣLjCONVST Bᆩઠ‫ܔ‬V3ࢅV4ഔ‫ۯ‬ཞօ֑ ᄣLjܸCONVST Cᆩઠ‫ܔ‬V5ࢅV6ഔ‫ۯ‬ཞօ֑ᄣă VSS ཮25. ‫ڪ‬ၳఇె๼෇঳ࠓ ཮25၂๖AD7656-1/AD7657-1/AD7658-1ఇె๼෇঳ࠓ‫ڪڦ‬ ၳ‫ۉ‬ୟăܾट࠶D1ࢅD2༵ࠃఇె๼෇‫ڦ‬ESDԍࢺăൎऻLj ఇె๼෇႑ࡽਦփీ‫ࡗג‬VDDࢅVSSࠃ‫ࡆۉ‬300mVᅜฉLj ‫ޏ‬ሶࣷሰ‫ׯ‬ኄၵܾट࠶ኟೋLjժਸ๔ၠएӱా‫ୁۉڞد‬ă ኄၵܾट࠶੗ᅜ‫ڍڞد‬փࣷ‫ܔ‬ഗॲሰ‫ڹןׯ‬໦࣋‫ڦ‬ፌ‫ۉٷ‬ ୁྺ10mAă཮25ዐ‫ۉڦ‬ඹC1ཚ‫׉‬ሀྺ4 pFLj੗ᅜዷᄲࡃྺ ᆅগ‫ۉ‬ඹă‫ۉ‬ፆR1๟ᅃ߲णጺᇮॲLjᆯਸ࠲DŽन֑ᄣԍ‫׼‬ ਸ࠲Dž‫ڞڦ‬ཚ‫ۉ‬ፆፇ‫ׯ‬Ljᅃӯሀྺ3.5 kΩă‫ۉ‬ඹC2๟ADC ֑ᄣ‫ۉ‬ඹLjᅃӯྺ10 pFă AD7656-1/AD7657-1/AD7658-1‫ߛڦ‬უఇె๼෇঳ࠓႴᄲ VDDࢅVSSມ‫ۉ‬ᇸăኄၵ‫ۉ‬ᇸՂႷ‫ڪ‬ᇀई‫ٷ‬ᇀఇె๼෇‫ݔ‬ ྷ (߳ ఇ ె ๼ ෇ ‫ ۉ ڦ ྷ ݔ‬ᇸ ᄲ ൱ ९ ՗ 8)ă AD76561/AD7657-1/ AD7658-1Ⴔᄲᅃ߲4.75 V዁5.25 V‫گڦ‬უ AVCC‫ۉ‬ᇸߴADCࢃ႐ࠃ‫ۉ‬Ljᅃ߲4.75 V዁5.25 V‫ڦ‬DVCC ‫ۉ‬ᇸፕྺຕጴ‫ۉ‬ᇸᅜतᅃ߲2.7 V዁5.25 V‫ڦ‬VDRIVE‫ۉ‬ᇸፕ ྺথ੨‫ۉ‬ᇸă ሞ჋ۨఇె๼෇‫ྷݔ‬๑ᆩፌၭ‫ۉ‬ᇸ‫ۉ‬უ้Ljྺକ஢ፁኸۨ Ⴀీᄲ൱Lj੗ీՂႷই‫گ‬ፌ‫୲ུཾٷ‬ă ՗8. ፌ‫گ‬VDD/VSS‫ۉ‬ᇸ‫ۉ‬უᄲ൱ ఇె๼෇‫ྷݔ‬ (V) ±4 × VREF ±2 × VREF Rev. A | Page 20 of 32 एጚ‫ۉ‬უ (V) 2.5 2.5 ஢ଉ‫ײ‬๼෇ (V) ±10 ±5 ፌၭVDD/VSS (V) ±10 ±5 AD7656-1/AD7657-1/AD7658-1  ADC‫ࡧڿد‬ຕ AD7656-1/AD7657-1/AD7658-1๼‫֑؜‬ᆩܾ৊዆ցஓă໯ย ऺ‫ڦ‬ஓገ࣑ሞ૶ჄLSBኝຕኵ‫ڦ‬ዐक़)न1⁄2 LSBĂ3⁄2 LSB*৊ ႜ ă AD7656-1‫ ڦ‬LSB‫ ٷ‬ၭ ྺ FSR/65,536Lj AD7657-1ྺ FSR/16,384LjܸAD7658-1ྺFSR/4096ă૙ၙ‫ڿدڦ‬༬Ⴀස ཮26໯๖ă ADC CODE 011 ... 111 011 ... 110 AD7656-1/AD7657-1/AD7658-1਩ࡤᆶෙ߲ೌฉएጚ‫ۉ‬უ ࣐ ؋ Lj ස ཮ 27໯ ๖ ă ෙ ‫ ܔ‬ADC߳ ‫ ܔ‬ᆌ ᅃ ߲ ए ጚ ‫ ۉ‬უ ࣐ ؋ăኄၵएጚ‫ۉ‬უ࣐؋ᄲ൱ሞREFCAPAĂREFCAPBत REFCAPCᆅগ๑ᆩྔևඁ᳘‫ۉ‬ඹ)1μF*ăాևएጚ‫ۉ‬უ࣐ ؋੗ሞ෉ॲఇ๕ူ্ᆩLjཚࡗၠాև੦዆स٪ഗႀ෇ DB8࿋ઠํ၄ăසࡕ჋ስ‫ز‬ႜথ੨Lj੗ሞᆘॲఇ๕ူLj ॽDB14/REFBUF EN/DISᆅগยྺߛ‫ۉ‬ೝઠ্ᆩాևएጚ‫ۉ‬ უ࣐؋ăසࡕాևएጚ‫ۉ‬უतഄ࣐؋਩্ᆩLj੗ၠ REFCAPxᆅগแेྔև࣐؋एጚ‫ۉ‬უă 000 ... 001 000 ... 000 111 ... 111 REFCAPA BUF REFIN/ REFOUT 100 ... 010 100 ... 001 100 ... 000 AGND – 1LSB +FSR/2 – 3/2LSB ANALOG INPUT SAR REF 07017-025 –FSR/2 + 1/2LSB SAR BUF REFCAPB SAR SAR ཮26. AD7656-1/AD7657-1/AD7658-1‫ڿد‬༬Ⴀ LSB‫ٷ‬ၭൽਦᇀ໯჋‫ڦ‬ఇె๼෇‫(ྷݔ‬९՗9)ă SAR SAR ాև0ྔևएጚ‫ۉ‬უ REFCAPC REFIN/REFOUTᆅ গ ़ ੗ ๑ ᆩ AD7656-1/AD76571/AD7658-1‫ڦ‬2.5Vएጚ‫ۉ‬უLjᄺሎႹ૶থྔևएጚ‫ۉ‬უLj ᅜՍ༵ࠃገ࣑एጚ‫ۉ‬უᇸă AD7656-1/AD7657-1/AD7658-1਩ኧ‫׼‬2.5Vྔևएጚ‫ۉ‬უă ཚࡗREFIN/REFOUTᆅগแेྔևएጚ‫ۉ‬უ้LjՂႷ্ᆩ ాևएጚ‫ۉ‬უLjժഔᆩएጚ‫ۉ‬უ࣐؋ăईኁLjᄺ੗ཚࡗ REFCAPxᆅগแेྔևएጚ‫ۉ‬უLjُ้ᆌ্ᆩాևएጚ‫ۉ‬ უLjॺᅱཞ্้ᆩएጚ‫ۉ‬უ࣐؋LjᅜবูࠀࡼĂই‫زگ‬ ඡăް࿋ࢫLjኄၵഗॲఐණሞྔևएጚ‫ۉ‬უఇ๕ူ߾ፕLj ཞ্้ᆩాևएጚ‫ۉ‬უLjժഔᆩएጚ‫ۉ‬უ࣐؋ă ాևएጚ‫ۉ‬უ़੗ሞᆘॲఇ๕ူ๑ీLjᄺ੗ሞ෉ॲఇ๕ူ ๑ీăැᄲሞᆘॲఇ๕ူ๑ీాևएጚ‫ۉ‬უLjॽH/S SELᆅ গዃᇀ0ժॽREFEN/DISᆅগዃᇀ1ăැᄲሞ෉ॲఇ๕ူ๑ీ ాևएጚ‫ۉ‬უLjॽH/S SELዃᇀ1Ljժႀ෇੦዆स٪ഗLjॽ DB9ዃᇀ1ă‫ܔ‬ᇀాևएጚ‫ۉ‬უఇ๕Lj๑ᆩᅃ߲1μF‫ۉ‬ඹ‫ܔ‬ REFIN/REFOUTᆅগ৊ႜඁ᳘ă 07017-127 BUF ཮27. एጚ‫ۉ‬უ‫ۉ‬ୟ ‫ۆ‬႙૶থ཮ ཮28၂๖AD7656-1/AD7657-1/AD7658-1‫ۆڦ‬႙૶থ཮Ljഄ ዐ໯Ⴔ‫ڦ‬ඁ᳘‫ۉ‬ඹຕࢅ‫ۉ‬ඹኵᆶ໯३ณă௅߲ഗॲ‫ۼ‬ᆶӗ ߲ AV CC ‫ ۉ‬ᇸ ᆅ গ ă AV CC ‫ ۉ‬ᇸ Ⴔ ሞ AD7656-1/AD76571/AD7658-1ఇຕገ࣑ࡗ‫ײ‬ዐ๑ᆩǗᅺُLjᆌ޿ଆࡻඁ᳘ă แेᇀӗ߲AV CCᆅগ‫ڦ‬AV CC‫ۉ‬ᇸኻႴ߳૧ᆩᅃ߲1 μF‫ۉ‬ ඹՍ੗ํ၄ඁ᳘ăAD7656-1/AD7657-1/AD7658-1़੗ሞ ాևएጚ‫ۉ‬უူ߾ፕLjᄺ੗ሞྔे‫ڦ‬एጚ‫ۉ‬უူ߾ፕă ሞ ཮ 28૛ Lj ഗ ॲ ԥ ದ ዃ ྺ ሞ ྔ և ए ጚ ‫ ۉ‬უ ူ ߾ ፕ ă REFIN/REFOUTᆅগ๑ᆩᅃ߲1 μF‫ۉ‬ඹඁ᳘ăෙ߲ాևए ጚ‫ۉ‬უ࣐؋ԥഔᆩă௅߲REFCAPxᆅগ૧ᆩᅃ߲1 μF‫ۉ‬ඹ ඁ᳘ă සࡕAVCCࢅDVCC֑ᆩ၎ཞ‫ۉڦ‬ᇸLjሶሞ‫ۉ‬ᇸᆅগኮक़‫ݣ‬ ዃᅃ߲ཎᄟ༹‫ى‬ዩईၭ႙RC୳հഗă AGNDᆅগ૶‫ڟ‬ဣཥAGNDೝ௬ăDGNDᆅগ૶থ‫ڟ‬ဣཥ ాև‫ڦ‬ຕጴথ‫ں‬ೝ௬ăሞဣཥాॽAGNDࢅDGND֫૶ሞ గ‫ت‬ăُ૶থᆌ৑੗ీ੍ৎဣཥా‫ڦ‬AD7656-1/AD7657-1 /AD7658-1ă ՗9. ߳ఇె๼෇‫ڦྷݔ‬LSB‫ٷ‬ၭ ֖ຕ LSB 大小 FS 范围 AD7656-1๼෇‫ྷݔ‬ ±10 V ±5 V 0.305 mV 0.152 mV 20 V/65,536 10 V/65,536 AD7657-1๼෇‫ྷݔ‬ ±10 V ±5 V 1.22 mV 0.610 mV 20 V/16,384 10 V/16,384 Rev. A | Page 21 of 32 AD7658-1๼෇‫ྷݔ‬ ±10 V ±5 V 4.88 mV 2.44 mV 20 V/4096 10 V/4096 $'$'$'  DVCC 1μF +9.5V TO +16.5V SUPPLY 1μF + + + 1μF AGND AVCC VDD DVCC DGND + 1μF + REFCAPA, B, C AD7656-1/ AD7657-1/ AD7658-1 SIX ANALOG INPUTS –9.5V TO –16.5V SUPPLY VSS 1μF + VDRIVE DGND PARALLEL INTERFACE μP/μC/DSP CONVST A, B, C REFIN/OUT AGND 1μF RESET CS RD BUSY AGND 2.5V REF + D0 TO D15 AGND 1μF DIGITAL SUPPLY VOLTAGE +3V OR +5V SER/PAR H/S W/B RANGE STBY VDRIVE AGND 07017-026 ANALOG SUPPLY VOLTAGE 5V ཮28. ‫ۆ‬႙૶থ཮ VDRIVE‫ۉ‬ᇸ૶থ‫تྺڟ‬૙ഗࠃ‫ڦۉ‬ཞᅃ‫ۉ‬ᇸăVDRIVE‫ۉڦ‬უ ੦዆๼‫؜‬இड႑ࡽ‫ۉڦ‬უኵă ߳๑ᆩᅃ߲዁ณ1 μF‫ڦ‬ඁ᳘‫ۉ‬ඹ‫ܔ‬VDDࢅVSS႑ࡽ৊ႜඁ᳘ă ኄၵ‫ۉ‬ᇸᆩᇀAD7656-1/AD7657-1/AD7658-1ఇె๼෇‫ڦ܋‬ ߛუఇె๼෇঳ࠓă ൻ‫ۯ‬ఇె๼෇ CONVST B‫ڦ‬൧઄ăሞገ࣑ࡗ‫ײ‬঳ຐࢫLj‫ړ‬BUSYՎྺ‫ۉگ‬ ೝ้Lj৊ႜᅃْ‫܁‬ൽăแे຺߲‫܁‬ൽஞ؋DŽժႜఇ๕DžLj ժ๼‫؜‬V1ĂV2ĂV5ࢅV6‫ڦ‬ຕ਍ăᆯᇀُዜ೺ዐுᆶ‫݀ة‬ CONVST BLjᅺُփࣷ๼‫؜‬V3ࢅV4ຕ਍ă‫ڍ‬๟Ljሞ‫ز‬ႜఇ ๕ူLjገ࣑ዜ೺ాுᆶԈઔADCLj໯ᅜுᆶ๼‫؜‬ADC঳ ࡕLjܸ๟๼‫؜‬ඇ0ă߸‫ၘܠ‬൧९‫ز‬ႜথ੨և‫ݴ‬ă ժႜথ੨(SER/PAR SEL = 0)! AD7656-1‫ڦ‬ൻ‫ۯ‬ഗ‫ٷݣ‬ഗࢅఇె๼෇‫ۉ‬ୟՂႷሞኸۨ‫ڦ‬ 550ns֑ण้क़ాLjॽ஢ଉ‫ײ‬օ৊๼෇ॺ૬዁16࿋຤ೝ (0.0015%)ăൻ‫ۯ‬ഗ‫ٷݣ‬ഗ໯ׂิ‫ڦ‬ሯำႴ৑੗ీ‫گ‬Ljᅜԍ ‫׼‬AD7656-1‫ڦ‬SNRࢅገ࣑ሯำႠీăُྔLjൻ‫ۯ‬ഗ‫ڦ‬THD Ⴀీ࣏Ⴔᄲ๢ࢇAD7656-1ă AD8021ీࠕ஢ፁኄၵᄲ൱ăAD8021Ⴔᄲᅃ߲10 pF‫ྔڦ‬ և ց ‫ ۉ ׋‬ඹ ă ස ࡕ Ⴔ ᄲ ມ ཚ ‫ ڢ‬Ӳ ‫ ڦ‬AD8021Lj ੗ ๑ ᆩ AD8022ăAD8610ࢅAD797ᄺ੗ᆩઠൻ‫ۯ‬AD7656-1/AD76571/AD7658-1ă থ੨჋ၜ! AD7656-1/AD7657-1/AD7658-1༵ࠃଇዖথ੨ǖߛ໏ժႜথ ੨ࢅߛ໏‫ز‬ႜথ੨ă໯Ⴔথ੨ఇ๕੗ཚࡗSER/PAR SELᆅ গઠ჋ስăժႜথ੨ఇ๕੗֑ᆩጴ(W/B = 0)ईጴব(W/B = 1)߾ ፕ ఇ ๕ ă ሞ ‫ ز‬ႜ ఇ ๕ ူ Lj AD7656-1/AD76571/AD7658-1੗ದዃ‫ׯ‬ਅࢾ૾ఇ๕ă ሞժႜఇ๕ူLj‫܁‬ൽ֡ፕኻీइൽፌႎ݀ิገ࣑‫ڦ‬၎࠲঳ ࡕă૩සLj੊୯CONVST AࢅCONVST Cཞ้‫݀ة‬Lj‫ڍ‬փ ๑ᆩ AD7656-1/AD7657-1/AD7658-1‫ݴ‬՚Ԉઔୃ߲16/14/12࿋ ADCăॽ໯ᆶෙ߲CONVSTᆅগDŽCONVST AĂCONVST BࢅCONVST CDž૶ሞᅃഐLjՍ੗‫߲ୃܔ‬ADC৊ႜཞօ֑ ᄣăAD7656-1/AD7657-1/AD7658-1ႴᆯCONVSTஞ؋ഔ‫ۯ‬ ገ࣑ǗCONVSTஞ؋ᆌԈઔᅃ߲CONVSTူইᄂLjໜࢫྺ ᅃ߲CONVSTฉืᄂăCONVSTฉืᄂ‫ܔ‬໯჋‫ڦ‬ADCഔ‫ۯ‬ ཞօገ࣑ăAD7656-1/AD7657-1/AD7658-1߳ాዃᅃ߲ೌా ና‫ږ‬ഗᆩᇀገ࣑ăገ้࣑क़tCONVྺ3 μsăBUSY႑ࡽՎྺ‫گ‬ ‫ۉ‬ೝ՗๖ገ࣑঳ຐăBUSY႑ࡽူইᄂᆩઠඟ֑ᄣԍ‫ݣ׼‬ ‫ٷ‬ഗ৊෇߶ጷఇ๕ă ‫ ݴ‬՚ ၠ ෙ ߲ CONVSTᆅ গ ݀ ‫ ؜‬ஞ ؋ ႑ ࡽ Lj AD76561/AD7657-1/ AD7658-1࣏੗ᅜํ၄ୃ߲ADC‫ܔׯڦ‬ཞօገ ࣑ăCONVST AĂCONVST BĂCONVST C‫ݴ‬՚ᆩᇀ‫ܔ‬V1 ࢅV2ĂV3ࢅV4ĂV5ࢅV6ഔ‫ۯ‬ཞօ֑ᄣăཞօ֑ᄣADC‫ڦ‬ ገ࣑঳ࡕ‫ئ‬٪ሞ๼‫؜‬ຕ਍स٪ഗాăጀᅪLjඪࢆᅃ߲ CONVSTᆅগฉᅃ‫؜ڋ‬၄ฉืᄂഔ‫ۯ‬ገ࣑ࢫLjኻᄲBUSY ‫ت‬ᇀߛ‫ۉ‬ೝLjՍࣷࢮ୼ඪࢆCONVSTᆅগฉ‫ڦ‬ඪࢆഄ໱ CONVSTฉืᄂă Rev. A | Page 22 of 32 AD7656-1/AD7657-1/AD7658-1  ৑࠶ሞ‫܁‬ൽႾଚ೺क़੗ᅜഔ‫ۯ‬ገ࣑Lj‫ڍ‬੗ీࣷᆖၚገ࣑Ⴀ ీLjᅺُॺᅱփᄲኄᄣፔăᄲइ‫ڥ‬ኸۨႠీLjॺᅱሞገ࣑ ࢫ৊ႜ‫܁‬ൽă‫ܔ‬ᇀ࿄๑ᆩ‫ڦ‬๼෇ཚ‫ܔڢ‬Ljॽ၎ᆌCONVST ᆅগࢅVDRIVE၎૶ă ੗૧ᆩՔጚCSࢅRD႑ࡽ(W/B = 0)Ljཚࡗժႜຕ਍ጺ၍‫܁‬ ൽAD7656-1/AD7657-1/AD7658-1‫ڦ‬ຕ਍ăཚࡗժႜጺ၍‫܁‬ ൽຕ਍้LjႴॽSER/PAR SELࢅ‫ۉگ‬ೝ၎૶ăཚࡗాև჋ ཚCSࢅRD๼෇႑ࡽLj੗ᅜॽገ࣑঳ࡕ๼‫ڟ؜‬ຕ਍ጺ၍ă ‫ړ‬CSࢅRDཞ้‫ت‬ᇀஇड‫ۉگ‬ೝ้Ljຕ਍၍DB0዁DB15փ ም‫ߛװ‬ፆༀă ස ࡕ ኻ ీ ๑ ᆩ 8࿋ ጺ ၍ Lj ሶ ੗ ॽ AD7656-1/AD7657-1/ AD7658-1ժႜথ੨ದዃ‫ׯ‬ጴব߾ፕఇ๕(W/B = 1)ăሞُದ ዃူLjDB7/HBEN/DCENᆅগਏᆶHBENࠀీăAD7656-1/ AD7657-1/AD7658-1‫߳ڦ‬ཚ‫ڢ‬ገ࣑঳ࡕ੗ཚࡗଇْ‫܁‬ൽ֡ ፕઠइൽLj௅ْ‫܁‬ൽ֡ፕሞDB15዁DB8ฉइ‫ڥ‬8࿋ຕ਍ DŽ९཮30DžăHBENᆅগਦۨ‫܁‬ൽ֡ፕံइൽ16࿋ገ࣑঳ ࡕ‫ߛڦ‬ጴব࣏๟‫گ‬ጴবăැ๔ዕံइൽDB15዁DB8ฉ‫گڦ‬ ጴবLjႴॽHBENᆅগࢅ‫ۉگ‬ೝ၎૶ăැ๔ዕံइൽDB15 ዁DB8ฉ‫ߛڦ‬ጴবLjႴॽHBENᆅগࢅߛ‫ۉ‬ೝ၎૶ăሞጴ বఇ๕ူLj‫ړ‬໯ᆶෙ߲CONVSTᆅগᅃഐ݀‫؜‬ஞ؋Ljഔ‫ۯ‬ ໯ᆶୃ߲ADC‫ڦ‬ཞօገ้࣑LjႴ৊ႜ12ْ‫܁‬ൽ֡ፕઠ‫܁‬ൽ ୃ߲16/14/12࿋ገ࣑঳ࡕăሞጴবఇ๕ူLjDB[6:0]ᆌԍ‫׼‬ փ૶থă CS႑ࡽ੗ᆦ৳Ⴀ‫ں‬থ‫ۉگ‬ೝLjܸRD႑ࡽ੗ᆩઠइൽገ ࣑঳ࡕăBUSY႑ࡽՎྺ‫ۉگ‬ೝࢫन੗ਸ๔‫܁‬ൽ֡ፕă ໯Ⴔ‫܁‬ൽ֡ፕْຕൽਦᇀཞօ֑ᄣ‫ڦ‬ADCຕణ(९཮29)ă සࡕCONVST AࢅCONVST Bཞ้Վ‫گ‬LjႴᄲ຺ْ‫܁‬ൽ֡ ፕٗV1ĂV2ĂV3तV4इ‫ڥ‬ገ࣑঳ࡕăසࡕCONVST Aࢅ CONVST Cཞ้Վ‫گ‬LjႴᄲ຺ْ‫܁‬ൽ֡ፕٗV1ĂV2ĂV5त V6इ ‫ ڥ‬ገ ࣑ ঳ ࡕ ă ገ ࣑ ঳ ࡕ ᅜ ื Ⴞ ๼ ‫ ؜‬ă ‫ ܔ‬ᇀ AD7657-1LjDB15ࢅDB14ࡤᆶଇ߲മዃ0LjܸDB [13:0]ሶ๼ ‫؜‬14࿋ገ࣑঳ࡕă‫ܔ‬ᇀAD7658-1LjDB [15:12]ࡤᆶ຺߲മ ዃ0LjܸDB [11:0]ሶ๼‫؜‬12࿋ገ࣑঳ࡕă ๑ᆩෙ߲CONVST႑ࡽ‫܀‬૬‫ں‬ഔ‫ۯ‬ෙ‫ܔ‬ADCገ้࣑Ljඪࢆ ᅃ ߲ CONVSTᆅ গ ᅃ ‫ ؜ ڋ‬၄ ฉ ื ᄂ ഔ ‫ ۯ‬ገ ࣑ ࢫ Lj ኻ ᄲ BUSY‫ت‬ᇀߛ‫ۉ‬ೝLjՍࣷࢮ୼ඪࢆCONVSTᆅগฉ‫ڦ‬ඪࢆ ഄ໱ฉืᄂă t10 CONVST A, CONVST B, CONVST C tCONV tACQ BUSY t4 CS t3 t5 t9 t2 DATA t7 t6 V1 V2 V3 V4 t8 V5 tQUIET 07017-027 RD V6 ཮29. ժႜথ੨้Ⴞ཮(W/B = 0) CS t4 t3 t5 t6 DB15 TO DB8 t8 t7 LOW BYTE HIGH BYTE ཮30. ժႜথ੨—ጴব֡ፕఇ๕‫܁ڦ‬ൽዜ೺DŽW/B = 1LjHBEN = 0Dž Rev. A | Page 23 of 32 07017-028 RD t9 AD7656-1/AD7657-1/AD7658-1  ADC෉ॲ჋ስ ՗11. ੦዆स٪ഗ࿋ࠀీ௮ຎ H/S SELᆅগਦۨႴཞօ֑ᄣ‫ڦ‬ADCፇࢇ‫ݛ‬๕ă‫ړ‬H/S SEL ᆅগ‫ت‬ᇀஇड‫ۉگ‬ೝ้LjႴཞօ֑ᄣ‫ڦ‬ཚ‫ڢ‬ፇࢇᆯ CONVST AĂCONVST BࢅCONVST Cᆅগਦۨă‫ړ‬H/S SELᆅগ‫ت‬ᇀஇडߛ‫ۉ‬ೝ้LjႴཞօ֑ᄣ‫ڦ‬ཚ‫ڢ‬ፇࢇᆯ DB15዁DB13੦዆स٪ഗ‫ాڦ‬ඹਦۨăሞُఇ๕ူLjՂႷ ৊ႜ੦዆स٪ഗႀ෇֡ፕă ੦዆स٪ഗ๟8࿋ኻႀस٪ഗăُस٪ഗ‫ڦ‬ຕ਍ႀ෇ཚࡗ CSࢅWRᆅগࢅDB[15:8]ຕ਍ᆅগઠྜ‫֖)ׯ‬९཮31*ă੦዆ स٪ഗၘ൧९՗10त11ăᄲ჋ስႴཞօ֑ᄣ‫ڦ‬ADC‫ܔ‬Ljᆌ ሞႀ෇֡ፕ೺क़ॽ‫ܔ‬ᆌ‫ڦ‬ຕ਍၍ยྺߛ‫ۉ‬ೝă ࿋ DB15 ᆅগఁ‫׬‬ VC DB14 VB ُ࿋ᆩઠ჋ስူᅃْገ࣑‫ڦ‬V3ࢅV4ఇ ె ๼ ෇ ă ‫ ړ‬ഄ ย ྺ 1้ Lj ሞ ူ ᅃ ߲ CONVST Aฉืᄂ੗‫ܔ‬V3ࢅV4৊ႜཞօ ገ࣑ă DB13 VA ُ࿋ᆩઠ჋ስူᅃْገ࣑‫ڦ‬V1ࢅV2ఇ ె ๼ ෇ ă ‫ ړ‬ഄ ย ྺ 1้ Lj ሞ ူ ᅃ ߲ CONVST Aฉืᄂ੗‫ܔ‬V1ࢅV2৊ႜཞօ ገ࣑ă DB12 RNGC ُ ࿋ ᆩ ઠ ჋ ስ V5ࢅ V6‫ ڦ‬ఇ ె ๼ ෇ ‫ݔ‬ ྷă‫ړ‬ഄยྺ1้Lj੗ྺူᅃْገ࣑჋ ስ±2 × VREF‫ྷݔ‬ă‫ړ‬ഄยྺ0้Lj੗ྺ ူᅃْገ࣑჋ስ±4 × VREF‫ྷݔ‬ă DB11 RNGB ُ ࿋ ᆩ ઠ ჋ ስ V3ࢅ V4‫ ڦ‬ఇ ె ๼ ෇ ‫ݔ‬ ྷă‫ړ‬ഄยྺ1้Lj੗ྺူᅃْገ࣑჋ ስ±2 × VREF‫ྷݔ‬ă‫ړ‬ഄยྺ0้Lj੗ྺ ူᅃْገ࣑჋ስ±4 × VREF‫ྷݔ‬ă DB10 RNGA ُ ࿋ ᆩ ઠ ჋ ስ V1ࢅ V2‫ ڦ‬ఇ ె ๼ ෇ ‫ݔ‬ ྷă‫ړ‬ഄยྺ1้Lj੗ྺူᅃْገ࣑჋ ስ±2 × VREF‫ྷݔ‬ă‫ړ‬ഄยྺ0้Lj੗ྺ ူᅃْገ࣑჋ስ±4 × VREF‫ྷݔ‬ă DB9 REFEN ُ࿋ᆩઠ჋ስాևएጚ‫ۉ‬უईྔևएጚ ‫ۉ‬უă‫ړ‬ഄยྺ0้Lj੗჋ስྔևएጚ ‫ۉ‬უఇ๕ă‫ړ‬ഄยྺ1้Lj੗჋ስాև एጚ‫ۉ‬უఇ๕ă DB8 REFBUF ُ࿋ᆩઠਦۨ๑ᆩాևएጚ‫ۉ‬უ࣐؋Lj ࣏๟ජࡗኄၵ࣐؋ă‫ړ‬ഄยྺ0้Ljഔ ᆩాևएጚ‫ۉ‬უ࣐؋Ljཞ้Ⴔᄲ‫ܔ‬ REFCAPxᆅগඁ᳘ă‫ړ‬ഄยྺ1้Lj্ ᆩాևएጚ‫ۉ‬უ࣐؋Ljཞ้ᆌॽ࣐؋ࢫ ‫ڦ‬एጚ‫ۉ‬უแेᇀREFCAPxᆅগă CS WR t12 t13 t11 t15 ௮ຎ ُ࿋ᆩઠ჋ስူᅃْገ࣑‫ڦ‬V5ࢅV6ఇ ె ๼ ෇ ă ‫ ړ‬ഄ ย ྺ 1้ Lj ሞ ူ ᅃ ߲ CONVST Aฉืᄂ੗‫ܔ‬V5ࢅV6৊ႜཞօ ገ࣑ă DB15 TO DB8 07017-029 t14 DATA ཮31. ժႜথ੨— ጴఇ๕ႀ෇ዜ೺(W/B = 0) AD7656-1/AD7657-1/AD7658-1੦዆स٪ഗሎႹ૧ᆩDB12 ዁DB10࿋Lj‫ܔ‬௅‫ܔ‬ADC‫ྷݔڦ‬৊ႜ‫܀‬૬‫ڦ‬Պ‫ײ‬ă ሞް࿋ࢫLj੦዆स٪ഗඇևൣ0ă CONVST A႑ࡽᆩઠ‫ܔ‬ཚࡗ੦዆स٪ഗ჋ስ‫ڦ‬ཚ‫ڢ‬ፇࢇഔ ‫ۯ‬ཞօገ࣑ăሞ෉ॲ߾ፕఇ๕ူ(H/S SEL = 1)LjCONVST B ࢅCONVST C႑ࡽ੗থ‫ۉگ‬ೝă໯Ⴔ‫܁‬ൽஞ؋ຕൽਦᇀ੦ ዆स٪ഗዐยዃ‫ڦ‬ADCຕణLjᅜतഗॲ֑ᆩጴ࣏๟ጴব߾ ፕఇ๕ăገ࣑঳ࡕᅜืႾ๼‫؜‬ă ሞႀ෇֡ፕ೺क़Lj‫ړ‬RD‫ت‬ᇀஇडߛ‫ۉ‬ೝĂCSࢅWR‫ت‬ᇀஇ ड‫ۉگ‬ೝ้Ljຕ਍ጺ၍࿋DB15዁DB8ྺມၠLj‫ྺׯ‬੦዆स ٪ഗ๼෇ă‫ړ‬WRՎྺஇडߛ‫ۉ‬ೝ้LjDB15዁DB8‫ڦ‬இड ጒༀ໮٪‫ڟ‬੦዆स٪ഗాă ՗10. ੦዆स٪ഗ࿋ᆙพ1 DB15 VC 1 DB14 VB DB13 VA DB12 RNGC DB11 RNGB DB10 RNGA DB9 REFEN DB8 REFBUF ఐණኵඇྺ0ă Rev. A | Page 24 of 32 AD7656-1/AD7657-1/AD7658-1  ߸߀ఇె๼෇‫(ྷݔ‬H/S SEL = 0) ૧ᆩAD7656-1/AD7657-1/AD7658-1 RANGEᆅগLjᆩࢽ੗ ᅜ჋ስ±2 × VREFई±4 × VREFፕྺୃୟఇె๼෇‫ྷݔڦ‬ă‫ړ‬ H/S SELᆅগ‫ت‬ᇀ‫ۉگ‬ೝ้LjሞBUSY႑ࡽူইᄂ‫ܔ‬RANGE ᆅগ‫ڦ‬இडጒༀ৊ႜ֑ᄣLjᅜਦۨူᅃْཞօገ࣑‫ڦ‬ఇె ๼෇‫ྷݔ‬ă‫ړ‬RANGEᆅগሞBUSY႑ࡽ‫ူڦ‬ইᄂ‫ت‬ᇀஇड ߛ‫ۉ‬ೝ้Ljူᅃْገ࣑‫ڦ‬ఇె๼෇‫ྺྷݔ‬±2 × V REF ă‫ړ‬ RANGEᆅগሞBUSY႑ࡽ‫ူڦ‬ইᄂ‫ت‬ᇀஇड‫ۉگ‬ೝ้Ljူ ᅃْገ࣑‫ڦ‬ఇె๼෇‫ྺྷݔ‬±4 × VREFăRESETஞ؋ኮࢫLj ሞഄࢫ‫ڼڦ‬ᅃ߲BUSYူইᄂࣷ߸ႎఇె๼෇‫ྷݔ‬ă ߸߀ఇె๼෇‫(ྷݔ‬H/S SEL = 1) ‫ړ‬H/S SELᆅগ‫ت‬ᇀߛ‫ۉ‬ೝ้Lj੗ཚࡗ੦዆स٪ഗႀ෇֡ ፕ ઠ ߸ ߀ ఇ ె ๼ ෇ ‫ ྷ ݔ‬ă ૧ ᆩ ੦ ዆ स ٪ ഗ ా ‫ ڦ‬DB [12:10]Lj੗ᅜ჋ስူᅃْገ࣑‫ڦ‬ఇె๼෇‫ྷݔ‬ă௅‫ܔ‬ఇె ๼෇‫ۼ‬ਏᆶᅃ߲၎ᆌ‫ྷݔڦ‬࿋LjሎႹ‫ݴ‬՚‫ܔ‬௅‫ܔ‬ADC‫ڦ‬ఇ ె๼෇‫ྷݔ‬৊ႜՊ‫ײ‬ă‫ړ‬RNGx࿋ยྺ1้Ljူᅃْገ࣑‫ݔ‬ ྷྺ±2 × VREFă‫ړ‬RNGx࿋ยྺ0้Ljူᅃْገ࣑‫ྺྷݔ‬±4 × VREFă ‫ز‬ႜথ੨(SER/PAR SEL = 1) ཚࡗஞ؋݀‫؜‬1Ă2ईඇև3߲CONVST႑ࡽLjAD7656-1/ AD7657-1/AD7658-1৽ ੗ ૧ ᆩ ഄ ೌ ฉ ۙ ኝ ና ‫ ږ‬ഗ Lj ሞ CONVSTฉ ื ᄂ ‫ ܔ‬໯ ჋ ཚ ‫ ܔ ڢ‬৊ ႜ ཞ օ ገ ࣑ ă ‫ڟ ٳ‬ CONVSTฉืᄂࢫLjBUSY႑ࡽՎྺߛ‫ۉ‬ೝLj՗௽ᅙਸ๔ ገ࣑ăྜ‫ׯ‬ገ࣑ࢫ)3 μsࢫ*LjBUSY႑ࡽ࣬ް‫ۉگ‬ೝăኻᄲ BUSYԍ‫ۉߛ׼‬ೝLjՍࣷࢮ୼CONVST AĂCONVST Bई CONVST Cฉ‫ڦ‬ඪࢆഄ໱CONVSTฉืᄂăሞBUSY႑ࡽ‫ڦ‬ ူইᄂLj๼‫؜‬स٪ഗሜ෇ႎገ࣑঳ࡕLjժ੗ٗAD76561/AD7657-1/AD7658-1‫܁‬ൽຕ਍ăැᄲཚࡗ‫ز‬ႜথ੨ٗኄ ၵഗॲ࣮‫܁‬ຕ਍LjSER/PAR SELᆌ૶থߛ‫ۉ‬ೝăCSࢅSCLK ႑ࡽᆩઠ‫د‬๼AD7656-1/AD7657-1/AD7658-1‫ڦ‬ຕ਍ăኄၵ ഗॲਏᆶෙ߲DOUTᆅগǖDOUT AĂDOUT BतDOUT Că੗ཚࡗ‫ڇ‬ĂມईෙDOUT၍ୟٗ߳ഗॲ࣮‫܁‬ຕ਍ă ཮32၂๖ୃ߲ཞօገ࣑ᅜत֑ᆩෙୟDOUT၍‫܁ڦ‬ൽႾ ଚăཞᄣሞ཮32ዐLjཚࡗ32߲SCLK‫د‬๼इൽAD76561/AD7657-1/AD7658-1‫ڦ‬ຕ਍ǗփࡗLj૧ᆩCS႑ࡽ‫ڦ܀ڇ‬ ଇፇ16߲SCLKኡ‫د‬๼Ljᄺ੗ᅜइൽෙୟDOUT၍ฉ‫ڦ‬ຕ ਍ăຕ਍‫܁‬ൽྜ‫ࢫׯ‬Ljแेඪࢆ‫ڦྔܮ‬SCLK‫ۼ‬ኻࣷ‫ڟڥ‬ඇ ଭ๼‫؜‬ă‫ړ‬჋ስ‫ز‬ႜথ੨Lj൐ሞ໯ᆶෙୟDOUT၍ฉደ߲ ๼‫؜‬ገ࣑ຕ਍้LjॽDB0/SEL AĂDB1/SEL BतDB2/SEL C ࢅVDRIVE၎૶ăኄၵᆅগ‫ݴ‬՚ᆩઠഔᆩDOUT A዁DOUT C၍ୟă සࡕႴᄲሞଇୟຕ਍๼‫؜‬၍ฉደ߲๼‫؜‬ገ࣑ຕ਍Ljሶ๑ᆩ DOUT AࢅDOUT BăැᄲഔᆩDOUT AࢅDOUT BLjॽ DB0/SEL AतDB1/SEL BࢅVDRIVE၎૶LjܸDB2/SEL Cᆌথ ‫ۉگ‬ೝă‫ړ‬৊ႜୃ߲ཞօገ࣑Ljժ൐ৈᆩଇୟDOUT၍ ้Lj੗ཚࡗᅃ߲48-SCLK‫د‬๼‫ݴ‬՚‫ٗڦ‬ኄଇୟDOUT၍इ ൽAD7656-1/AD7657-1/ AD7658-1‫ڦ‬ຕ਍ăຕ਍‫܁‬ൽྜ‫ׯ‬ ࢫLjแेඪࢆ‫ڦྔܮ‬SCLK‫ۼ‬ኻࣷ‫ڟڥ‬ඇଭ๼‫؜‬ă૧ᆩଇୟ DOUT၍ํ၄໯ᆶୃ߲ADCཞօገ࣑‫܁ڦ‬ൽႾଚස཮33໯ ๖ăසࡕ໯ᆶୃ߲ADC৊ႜཞօገ࣑Lj൐ኻᆩଇୟDOUT ၍ઠ‫܁‬ൽAD7656-1/AD7657-1/AD7658-1‫ڦ‬঳ࡕLjሶDOUT Aደ߲๼‫؜‬V1ĂV2तV5‫ڦ‬঳ࡕLjܸDOUT Bደ߲๼‫؜‬V3Ă V4तV6‫ڦ‬঳ࡕă ᄺ੗ኻᆩᅃୟDOUT၍ደ߲๼‫؜‬ຕ਍Ljُ้૧ᆩDOUT A ઠइൽገ࣑ຕ਍ăAD7656-1/AD7657-1/AD7658-1ැᄲದዃ ྺኄዖ߾ፕఇ๕Lj੗ॽDB0/SEL AথVDRIVELjॽDB1/SEL BᇑDB2/SEL Cথ‫ۉگ‬ೝăኻᆩᅃୟDOUT၍‫ڦ‬ඍ‫ۅ‬๟ཾུ ໏୲ူইă੗૧ᆩᅃ߲96-SCLK‫د‬๼Ăෙፇ32-SCLK‫ڦ܀ڇ‬ ኡ‫د‬๼ईୃፇ 16-SCLK‫ڦ܀ڇ‬ኡ‫د‬๼ઠइ ൽ AD7656-1/ AD7657-1/AD7658-1ຕ਍ăຕ਍‫܁‬ൽྜ‫ࢫׯ‬Ljแेඪࢆ‫ܮ‬ ྔ‫ڦ‬SCLK‫ۼ‬ኻࣷ‫ڟڥ‬ඇଭ๼‫؜‬ă֑ᆩ‫ز‬ႜথ੨้LjॽRD ႑ࡽࢅ‫ۉگ‬ೝ၎૶Ljժ൐࿄๑ᆩ‫ڦ‬DOUT၍ୟԍ‫׼‬փ૶থ ጒༀă փஃ๑ᆩᅃୟĂଇୟ࣏๟ෙୟຕ਍๼‫؜‬၍Ljසࡕገ࣑ዜ೺ ዐ࿄๑ᆩగ߲CONVSTᆅগLjఫ஺৑࠶ሞገ࣑ዜ೺ዐ࿄ԥ ๑ᆩLjሞ࿄ԥ๑ᆩ‫ڦ‬ADC‫ڦܔ‬၎ᆌ๼‫؜‬࿋ዃධ๼‫؜‬ඇଭፕ ྺഄA/Dገ࣑঳ࡕăኄᅪ࿆ጣLjසࡕ)૩ස*ৈஞ؋घऄ CONVST Bժ๑ᆩᅃ߲ຕ਍๼‫؜‬ᆅগLjሶႴᆩ64߲SCLKઠ इൽV3ࢅV4‫ڦ‬঳ࡕLjැ๑ᆩଇୟईෙୟຕ਍๼‫؜‬၍ሶኻ Ⴔᄲ32߲SCLKă ‫ز‬ႜ‫܁‬ൽ֡ፕ ཮ 34၂ ๖ ჋ ስ ‫ ز‬ႜ থ ੨ ้ Lj ٗ AD7656-1/AD7657-1/ AD7658-1‫܁‬ൽຕ਍‫้ڦ‬Ⴞ཮ăSCLK๼෇႑ࡽྺ‫ز‬ႜথ੨ ༵ ࠃ ้ ዓ ᇸ ă CS႑ ࡽ Վ ྺ ‫ ۉ گ‬ೝ Lj न ੗ ٗ AD7656-1/ AD7657-1/AD7658-1इൽຕ਍ăCSူইᄂ๑ጺ၍ྃ૗ෙ ༀLjժደ߲๼‫؜‬16࿋ገ࣑঳ࡕ‫ڦ‬MSBăADC๼‫؜‬16࿋ገ࣑ ঳ࡕǗAD7656-1‫ڦ‬ຕ਍ୁᆯ16࿋ገ࣑ຕ਍໯ፇ‫ׯ‬Lj्ย MSBሞമăAD7657-1‫ڦ‬ຕ਍ୁԈઔଇ߲മዃ0Ljໜࢫ๟14 ࿋ገ࣑ຕ਍Lj्ยMSBሞമăAD7658-1‫ڦ‬ຕ਍ୁԈઔ຺߲ മዃ0ࢅ12࿋ገ࣑ຕ਍Lj्ยMSBሞമă Rev. A | Page 25 of 32 AD7656-1/AD7657-1/AD7658-1  ገ࣑঳ࡕ‫ڦ‬๯߲ຕ਍࿋ሞCSူইᄂࢫ‫ڼڦ‬ᅃ߲SCLKူই ᄂᆶၳăໜࢫ15߲ຕ਍࿋ሞSCLK႑ࡽ‫ڦ‬ฉืᄂደ߲๼‫؜‬ă ຕ਍ሞSCLKူইᄂᆶၳăᄲइൽ߳ገ࣑঳ࡕLjՂႷၠ CONVST A, CONVST B, CONVST C AD7656-1/ AD7657-1/AD7658-1݀ໃ16้߲ዓஞ؋ă཮34၂ ๖සࢆ૧ᆩ16-SCLK‫܁‬ൽ֡ፕઠइൽገ࣑঳ࡕă tCONV tACQ BUSY CS 16 32 SCLK V1 V2 DOUT B V3 V4 DOUT C V5 V6 07017-030 tQUIET DOUT A ཮32. ֑ᆩෙୟDOUT၍‫زڦ‬ႜথ੨ CS 48 DOUT A V1 V2 V5 DOUT B V3 V4 V6 07017-031 SCLK ཮33. ֑ᆩଇୟDOUT၍‫زڦ‬ႜথ੨ t1 t2 BUSY ACQUISITION t10 tACQ tCONV CONVERSION ACQUISITION tQUIET CS SCLK DOUT A, DOUT B, DOUT C t19 t16 t18 t17 DB15 t20 DB14 DB13 ཮34. ‫ز‬ႜ‫܁‬ൽ֡ፕ Rev. A | Page 26 of 32 DB1 t21 DB0 07017-032 CONVST A, CONVST B, CONVST C AD7656-1/AD7657-1/AD7658-1  ૧ᆩ1/2/3߲DOUTᆅগٗAD7656-1/AD7657-1/ AD7658-1࣮ ‫܁‬ገ࣑ຕ਍้Lj੗૧ᆩDCENᆅগઠದዃኄၵഗॲᅜਅࢾ ૾ఇ๕߾ፕăਅࢾ૾ࠀీሎႹ‫߲ܠ‬AD7656-1/AD76571/AD7658-1ഗॲप૴ሞᅃഐLjᆶ૧ᇀ३ณᇮॲຕࢅথ၍ă ଇ߲ഗॲ‫ڦ‬ਅࢾ૾૶থ๖૩ස཮36໯๖ăُದዃ၂๖߳ഗ ॲ֑ᆩມDOUT၍ୟă૧ᆩᅃ߲ࠅࠌCONVST႑ࡽLj੗ᅜ ‫ܔ‬12ୟఇె๼෇৊ႜཞօ֑ᄣăDB5ĂDB4तDB3ຕ਍ᆅ গᆩፕਅࢾ૾ఇ๕‫ڦ‬DCIN[A:C]ຕ਍๼෇ᆅগă ૧ ᆩ CONVSTฉ ื ᄂ Lj ੗ ᅜ ‫ ܔ‬AD7656-1/AD76571/AD7658-1ഔ‫ۯ‬ገ࣑ăBUSY႑ࡽՎྺ‫ۉگ‬ೝLj၂๖ገ࣑ ྜ‫ࢫׯ‬Ljᆩࢽ৽੗ᅜਸ๔ٗଇ߲ഗॲ‫܁‬ൽຕ਍ă཮37၂๖ ଇ߲AD7656-1/AD7657-1/AD7658-1ഗॲሞਅࢾ૾ఇ๕ူ߾ ፕ้‫زڦ‬ႜ้Ⴞ཮ă CSူইᄂᆩઠ๑ీAD7656-1/AD7657-1/AD7658-1ഗॲ‫زڦ‬ ႜኡ‫د‬๼Lj๑ጺ၍ྃ૗ෙༀLjժደ߲๼‫ڼ؜‬ᅃ߲ገ࣑঳ࡕ ‫ڦ‬MSBăሞ཮37๖૩ዐLjඇև12߲ADCཚ‫ڢ‬਩৊ႜཞօ֑ ᄣăሞُ๖૩ዐLj๑ᆩଇୟDOUT၍ઠ‫܁‬ൽገ࣑঳ࡕăCS ๑ీᅃ߲96-SCLKኡ‫د‬๼ăሞ‫ڼ‬ᅃፇ48 SCLK೺क़Ljገ࣑ຕ ਍ٗഗॲ2‫د‬๼‫ڟ‬ഗॲ1ăഗॲ2ฉ‫ڦ‬DOUT Aॽገ࣑ຕ਍ٗ V1ĂV2ࢅV5‫د‬๼‫ڟ‬ഗॲ1ా‫ڦ‬DCIN AǗഗॲ2ฉ‫ڦ‬DOUT Bॽገ࣑঳ࡕٗV3ĂV4तV6‫د‬๼‫ڟ‬ഗॲ1ా‫ڦ‬DCIN Băሞ ‫ڼ‬ᅃፇ48 SCLK೺क़Ljഗॲ1ॽຕ਍‫د‬๼‫ڟ‬ຕጴዷऐాăഗ ॲ1ฉ‫ڦ‬DOUT A‫د‬๼V1ĂV2तV5‫ڦ‬ገ࣑ຕ਍Ǘഗॲ1ฉ‫ڦ‬ DOUT B‫د‬๼V3ĂV4तV6‫ڦ‬ገ࣑ຕ਍ăሞࢫᅃፇ48 SCLK ೺क़Ljഗॲ2ደ߲๼‫؜‬0Ljഗॲ1ॽ‫ڼ‬ᅃፇ48 SCLK೺क़ٗഗ ॲ2ደ߲๼෇‫ڦ‬ຕ਍‫د‬๼዁ຕጴዷऐాăසࡕDCENሞ‫د‬๼ ೺क़ԍ‫ۉߛ׼‬ೝLjሶُ๖૩࣏੗૧ᆩୃፇ16-SCLK‫ڦ܀ڇ‬ ኡ‫د‬๼ઠํ၄ă ཮38၂๖ଇ߲AD7656-1/AD7657-1/AD7658-1ഗॲᅜਅࢾ૾ ఇ๕ದዃժ֑ᆩෙୟDOUT၍߾ፕ‫้ڦ‬Ⴞă्ย‫ܔ‬໯ᆶ12 ୟ ๼ ෇ ৊ ႜ ཞ օ ֑ ᄣ Lj ሞ ‫ ܁‬ൽ ֡ ፕ ೺ क़ CS๑ ీ ᅃ ߲ 64 SCLKኡ‫د‬๼ăሞُ‫د‬๼‫ڼڦ‬ᅃፇ32 SCLK೺क़Ljॽഗॲ1‫ڦ‬ ገ࣑঳ࡕደ߲๼෇ຕጴዷऐLjॽഗॲ2‫ڦ‬ገ࣑঳ࡕደ߲๼ ෇ഗॲ1ăሞُ‫د‬๼‫ࢫڦ‬ᅃፇ32 SCLK೺क़Ljॽഗॲ2‫ڦ‬ገ ࣑঳ࡕٗഗॲ1ደ߲๼‫؜‬Ljժ๼෇ຕጴዷऐLjཞ้ഗॲ2ደ ߲๼‫؜‬0ă ਅࢾ૾ฉ໯ీ‫׶‬ሜ‫ڦ‬ፌ‫ٷ‬ഗॲຕଉᆯ‫ڇ‬ཚ‫ڢ‬ຕ਍ཾུ୲໯ ၌዆ăܸຕ਍ཾུ୲ൽਦᇀᆌᆩႴ൱Ă໯ᆩ‫ڦ‬TDMLೕ୲ ᅜत‫ز‬ႜຕ਍၍‫ڦ‬ຕణă ‫ځ‬ऐ0և‫֡ۉูݴ‬ፕఇ๕(SER/PAR SEL = 0ई1) ௅ ‫ ܔ‬ADC‫ ۼ‬੗ ཚ ࡗ ሞ BUSYူ ই ᄂ ኮ മ ઙ ‫ گ‬၎ ᆌ ‫ڦ‬ CONVST႑ࡽLjሞገ࣑঳ຐ้‫܀ڇ‬৊෇և‫ۉูݴ‬ఇ๕ăස ࡕᅃ߲CONVSTᆅগሞBUSYՎ‫ت้گ‬ᇀ‫ۉگ‬ೝLjሶ၎ᆌ ‫ڦ‬ADC‫ܔ‬ኻᆶኟሞ޿ዜ೺ా৊ႜํाገ้࣑DŽन๑ᆩُ၎ ᆌCONVSTᆅগ‫݀ة‬ገ้࣑Dž֍ࣷ৊෇և‫ۉูݴ‬ఇ๕ăᄲ ๑ADCምْฉ‫ۉ‬LjᆌઙߛCONVST႑ࡽLjంସADC‫ܔ‬ฉ ‫ۉ‬Ljժ๑֑ᄣԍ‫ٷݣ׼‬ഗ৊෇߶ጷఇ๕ăঢ়ࡗٗև‫ۉูݴ‬ ఇ๕‫ް࣬ڟ‬ኟ‫߾׉‬ፕ‫ڦ‬ฉ‫้ۉ‬क़ࢫLjCONVST႑ࡽ੗থ๭ ᅃ߲ฉืᄂᅜഔ‫ۯ‬ᆶၳገ࣑ăሞև‫ۉูݴ‬ఇ๕ူLjएጚ‫ۉ‬ უ࣐؋ԍ‫׼‬ฉ‫ۉ‬ă‫ړ‬గ߲ADC‫تܔ‬ᇀև‫ۉูݴ‬ఇ๕้Ljഄ ໱ྜඇཚ‫ڦۉ‬ADCධ੗৊ႜገ࣑ăሞ཮35‫ڦ‬A‫ۅ‬LjADC 1 ࢅADC 2৊෇և‫ۉูݴ‬ఇ๕LjܸADC 3዁ADC 6ධ඗ԍ‫ྜ׼‬ ඇཚ‫ۉ‬ăሞ཮35‫ڦ‬B‫ۅ‬LjADC 1ࢅADC 2ਸ๔ฉ‫ۉ‬ăঢ়ࡗ໯ Ⴔ‫ڦ‬ฉ‫้ۉ‬क़ࢫLjՍ੗ሞူᅃ߲CONVSTฉืᄂ้ഔ‫ۯ‬ገ ࣑Ljස཮໯๖ă A B tWAKE-UP CONVST A BUSY CONVST B 07017-135 ਅࢾ૾ఇ๕(DCEN = 1,SER/PAR SEL = 1) CONVST C ཮35. ৊෇तཽ‫؜‬և‫ۉูݴ‬ఇ๕ AD7656-1/AD7657-1/AD7658-1ኧ‫ځ׼‬ऐఇ๕Ljᅺܸഗॲ੗ ᅜ৊෇‫ࡼࠀگ‬ఇ๕DŽፌ‫ٷ‬315 μWDžăઙ‫گ‬๼෇STBYஇडन ੗৊෇‫ځ‬ऐఇ๕LjઙߛSTBYஇडሶምْฉ‫ۉ‬Lj࣬ްኟ‫֡׉‬ ፕă‫ت‬ᇀ‫ځ‬ऐఇ๕้Lj๼‫؜‬ຕ਍࣐؋ධࣷीჄ߾ፕLjᆩࢽ ੗ीჄइൽഗॲ‫ڦ‬ገ࣑঳ࡕă૧ᆩُ‫ځ‬ऐࠀీLjీࠕই‫گ‬ AD7656-1/ AD7657-1/AD7658-1ᅜ‫ུཾگ‬໏୲߾ፕ้‫ڦ‬ೝ ਩ࠀࡼăഗॲ੗ሞBUSYՎ‫گ‬Lj߳ገ࣑঳ຐ้৊෇‫ځ‬ऐఇ ๕Ljժ੗ሞူᅃْገ࣑മྃ૗‫ځ‬ऐఇ๕ăྃ૗‫ځ‬ऐఇ๕‫ڦ‬ ้क़‫࣓ྺ׬‬ႝ้क़ă࣓ႝ้क़၌዆AD7656-1/AD76571/AD7658-1ሞገ࣑ኮक़ู‫ۉ‬ጒༀ้‫ڦ‬ፌ‫୲ུཾٷ‬ă֖९ࡀ ߭և‫ݴ‬ă Rev. A | Page 27 of 32 AD7656-1/AD7657-1/AD7658-1  CONVERT DIGITAL HOST CONVST CONVST AD7656-1/ AD7657-1/ AD7658-1 SCLK DOUT A DCIN A DOUT B DCIN B AD7656-1/ AD7657-1/ AD7658-1 SCLK CS DOUT A DATA IN1 DOUT B DATA IN2 CS CS 07017-033 SCLK DCEN = 0 DEVICE 2 DCEN = 1 DEVICE 1 ཮36. ਅࢾ૾ದዃ CONVST A, CONVST B, CONVST C BUSY CS 1 2 3 15 16 17 31 32 33 47 48 49 63 64 65 94 95 96 MSB V2 LSB V2 MSB V5 LSB V5 MSB V1 LSB V1 MSB V2 LSB V5 MSB V3 LSB V3 MSB V4 LSB V6 DEVICE 1, DOUT A MSB V1 LSB V1 DEVICE 1, DOUT B MSB V3 LSB V3 MSB V4 LSB V4 MSB V6 LSB V6 DEVICE 2, DOUT A MSB V1 LSB V1 MSB V2 LSB V2 MSB V5 LSB V5 DEVICE 2, DOUT B MSB V3 LSB V3 MSB V4 LSB V4 MSB V6 LSB V6 07017-034 SCLK ཮37. ֑ᆩଇୟDOUT၍‫ڦ‬ਅࢾ૾‫ز‬ႜথ੨้Ⴞ CONVST A, CONVST B, CONVST C BUSY CS 1 2 3 15 16 17 31 32 33 47 48 49 63 64 DEVICE 1, DOUT A MSB V1 LSB V1 MSB V2 LSB V2 MSB V1 LSB V1 MSB V2 LSB V2 DEVICE 1, DOUT B MSB V3 LSB V3 MSB V4 LSB V4 MSB V3 LSB V3 MSB V4 LSB V4 DEVICE 1, DOUT C MSB V5 LSB V5 MSB V6 LSB V6 MSB V5 LSB V5 MSB V6 LSB V6 DEVICE 2, DOUT A MSB V1 LSB V1 MSB V2 LSB V2 DEVICE 2, DOUT B MSB V3 LSB V3 MSB V4 LSB V4 DEVICE 2, DOUT C MSB V5 LSB V5 MSB V6 LSB V6 ཮38. ֑ᆩෙୟDOUT၍‫ڦ‬ਅࢾ૾‫ز‬ႜথ੨้Ⴞ Rev. A | Page 28 of 32 07017-035 SCLK AD7656-1/AD7657-1/AD7658-1  ᆌᆩႷኪ ‫ۉ‬ୟӱքਆ Ҿ ጎ AD7656-1/AD7657-1/AD7658-1໯ ᆩ ‫ ڦ‬ᆇ ຘ ‫ ۉ‬ୟ ӱ (PCB)ᆌ֑ᆩఇెև‫ݴ‬ᇑຕጴև‫ݴݴ‬૗ยऺLjժ၌዆ሞ‫ۉ‬ ୟӱ‫ڦ‬փཞ൶ᇘాă ዁ณ๑ᆩᅃ߲থ‫֫ں‬ăຕጴࢅఇెև‫ݴ‬੗ᅜࠌᆩई‫ߪݴ‬๑ ᆩথ‫֫ں‬ăሞ๑ᆩ‫้֫ںڦߪݴ‬Ljॽຕጴ‫ࢅں‬ఇె‫ۅڇں‬ ૶থă‫ۅڇ‬থ‫ۅں‬ፌࡻሞAD7656-1/AD7657-1/AD7658-1ኟ ူ‫ݛ‬ई৑੗ీ੍ৎഗॲă සࡕAD7656-1/AD7657-1/AD7658-1ဣཥాᆶ‫߲ܠ‬ഗॲᄲ൱ ఇຕথ‫ں‬Ljᆌධॕ‫ۅڇ׼‬থ‫ں‬Ljӝথ‫ݣۅں‬ዃሞ৑੗ీ੍ ৎAD7656-1/AD7657-1/AD7658-1‫ڦ‬ᅃ߲႓႙থ‫ۅں‬ăඓԍ ௅߲থ‫ں‬ᆅগᇑ‫ڦ֫ں‬ଆࡻ૶থăՆ௨‫߲ܠ‬থ‫ں‬ᆅগࠌᆩ ᅃ߲‫૶ڦ֫ںڟ‬থ‫ڦ‬൧઄ă௅߲থ‫ں‬ᆅগᆌ๑ᆩ‫ࡗ߲ڇ‬੥ ई‫ࡗ߲ܠ‬੥থ෇থ‫֫ں‬ă ᆌՆ௨ሞഗॲူ‫ݛ‬քยຕጴ၍ୟLj‫ޏ‬ሶࣷॽሯำ᳘ࢇ዁ႊ ೌăሎႹఇెথ‫֫ں‬քยሞAD7656-1/AD7657-1/AD7658-1 ူ‫ݛ‬ᅜՆ௨ሯำ᳘ࢇăසCONVSTई้ዓ‫੺ڪ‬໏ൎ࣑႑ࡽ ᄲ๑ᆩຕጴ‫ेں‬ᅜೡԸLjᅜ௨ॽሯำ‫ޖ‬พ‫ۉڟ‬ୟӱ‫ڦ‬ഄ໱ և‫ݴ‬Ljܸ൐੺໏ൎ࣑႑ࡽਨփీ੍ৎఇె႑ࡽୟ০ăᆌՆ ௨ຕጴ႑ࡽᇑఇె႑ࡽ঍۠ă‫ۉ‬ୟӱฉତৎ֫‫ڦ‬ጽ၍ᆌԵ ُ‫ؽ‬኱Ljᅜ३ၭ‫ۉ‬ୟӱ‫ڦ‬ઍཚၳᆌă AVCCĂDVCCĂVDRIVEĂVDDतVSSᆅগ‫ۉڦ‬ᇸ၍ୟᆌ֑ᆩ৑ ੗ీ੻‫ڦ‬ጽ၍Ljᅜ༵ࠃ‫گ‬ፆੇୟ০Ljժ३ၭ‫ۉ‬ᇸ၍ୟฉ‫ڦ‬ றِሯำᆖၚăᆌሞ‫ۉ‬ᇸᆅগࢅ‫ۉ‬ୟӱ‫ۉڦ‬ᇸጽ၍ኮक़ॺ ૬ଆࡻ૶থǗԈઔ௅߲‫ۉ‬ᇸᆅগ๑ᆩ‫ࡗ߲ڇ‬੥ई‫ࡗ߲ܠ‬੥ ૶থ዁‫ۉ‬ᇸጽ၍ई‫ۉ‬ᇸ֫ă ଆ ࡻ ‫ ڦ‬ඁ ᳘ ᄺ ࢔ ዘ ᄲ Lj ᅜ Ս ই ‫ گ‬AD7656-1/AD76571/AD7658-1‫ۉڦ‬ᇸፆੇLjժ३ณ‫ۉ‬ᇸॖ‫܈ޗރ‬ăඁ᳘‫ۉ‬ඹ ᆌ੍ৎ(૙ၙ൧઄๟৆੍)ኄၵᆅগतഄ‫ܔ‬ᆌথ‫ں‬ᆅগ‫ݣ‬ ዃăُྔLjሞ௅߲‫ۉ‬ᇸᆅগĂREFIN/REFOUTᆅগࢅ௅߲ REFCAPxᆅগฉ‫ݣ‬ዃ‫گ‬ESR 1 μF‫ۉ‬ඹăᆌՆ௨ᆅগࠌᆩኄ ၵ‫ۉ‬ඹLjժ๑ᆩࡗ੥ॽኄၵ‫ۉ‬ඹᇑ‫ۉ‬ᇸࢅথ‫֫ں‬၎૶ăُ ྔLjሞ௅߲ࡗ੥ࢅ‫ۉ‬ඹࡰಎኮक़๑ᆩড੻Ăড‫ڦ܌‬ጽ၍Lj ईࡗ੥৆ତ‫ۉ‬ඹࡰಎLjᅜՍፌ‫ں܈ײٷ‬ই‫گ‬सิ‫ߌۉ‬ă AD7656-1/AD7657-1/AD7658-1ీࠕྺᆩࢽ༵ࠃই‫گ‬ඁ᳘ᄲ ൱‫ڦ‬঴ਦ‫ݛ‬ӄLjժ൐ᇑAD7656/AD7657/AD7658ᆅগत෉ ॲग़ඹăই‫گ‬ඁ᳘ᄲ൱‫ॺڦ‬ᅱದዃස཮28໯๖ă Rev. A | Page 29 of 32 AD7656-1/AD7657-1/AD7658-1  ྔႚ؅٫ 0.75 0.60 0.45 12.20 12.00 SQ 11.80 1.60 MAX 64 49 1 48 PIN 1 10.20 10.00 SQ 9.80 TOP VIEW (PINS DOWN) 0.15 0.05 SEATING PLANE 0.20 0.09 7° 3.5° 0° 16 0.08 COPLANARITY VIEW A 33 32 17 VIEW A 0.50 BSC LEAD PITCH ROTATED 90° CCW COMPLIANT TO JEDEC STANDARDS MS-026-BCD 0.27 0.22 0.17 051706-A 1.45 1.40 1.35 ཮39. 64ᆅগLQFP‫ހ‬ጎ(ST-64-2) ؅٫‫ڇ‬࿋ǖmm ۩ࠔኸళ ႙ࡽ AD7656BSTZ-1 1 AD7656BSTZ-1-RL1 AD7656YSTZ-11 AD7656YSTZ-1-RL1 AD7657BSTZ-11 AD7657BSTZ-1-RL1 AD7657YSTZ-11 AD7657YSTZ-1-RL1 AD7658BSTZ-11 AD7658BSTZ-1-RL1 AD7658YSTZ-11 AD7658YSTZ-1-RL1 EVAL-AD7656-1CBZ1, 2 EVAL-AD7657-1CBZ1, 2 EVAL-AD7658-1CBZ1, 2 EVAL-CONTROL BRD2Z 3 1 2 3 ࿒‫ྷݔ܈‬ −40°C ዁ +85°C −40°C ዁ +85°C −40°C ዁ +125°C −40°C ዁ +125°C −40°C ዁ +85°C −40°C ዁ +85°C −40°C ዁ +125°C −40°C ዁ +125°C −40°C ዁ +85°C −40°C ዁ +85°C −40°C ዁ +125°C −40°C ዁ +125°C ‫ހ‬ጎ௮ຎ 64ᆅগԋ႙຺‫ݛ‬Ռೝ‫ހ‬ጎ [LQFP] 64ᆅগԋ႙຺‫ݛ‬Ռೝ‫ހ‬ጎ [LQFP] 64ᆅগԋ႙຺‫ݛ‬Ռೝ‫ހ‬ጎ [LQFP] 64ᆅগԋ႙຺‫ݛ‬Ռೝ‫ހ‬ጎ [LQFP] 64ᆅগԋ႙຺‫ݛ‬Ռೝ‫ހ‬ጎ [LQFP] 64ᆅগԋ႙຺‫ݛ‬Ռೝ‫ހ‬ጎ [LQFP] 64ᆅগԋ႙຺‫ݛ‬Ռೝ‫ހ‬ጎ [LQFP] 64ᆅগԋ႙຺‫ݛ‬Ռೝ‫ހ‬ጎ [LQFP] 64ᆅগԋ႙຺‫ݛ‬Ռೝ‫ހ‬ጎ [LQFP] 64ᆅগԋ႙຺‫ݛ‬Ռೝ‫ހ‬ጎ [LQFP] 64ᆅগԋ႙຺‫ݛ‬Ռೝ‫ހ‬ጎ [LQFP] 64ᆅগԋ႙຺‫ݛ‬Ռೝ‫ހ‬ጎ [LQFP] ೠࠚӱ ೠࠚӱ ೠࠚӱ ੦዆ഗӱ ‫ހ‬ጎ჋ၜ ST-64-2 ST-64-2 ST-64-2 ST-64-2 ST-64-2 ST-64-2 ST-64-2 ST-64-2 ST-64-2 ST-64-2 ST-64-2 ST-64-2 Z = ‫ࢇޙ‬RoHSՔጚ‫ڦ‬ग़ඹഗॲă ُӱ੗‫܀ڇ‬ᆩፕೠࠚӱLjईᇑEVAL-CONTROLӱದࢇᆩᇀೠࠚ/ᄇ๖ă ُӱ๟߲ྜኝ‫ڇ‬ᇮLjሎႹPC‫ܔ‬໯ᆶ‫ټ‬CBՔኾࢫጘ‫ڦ‬ADIೠࠚӱ৊ႜ੦዆ժᇑኮཚ႑ăᄲ۩ࠔྜኝ‫ڦ‬ೠࠚ༫ॲLjՂႷ۩ࠔኸۨ‫ڦ‬ADCೠࠚӱ(සEVAL-AD7656-1/ AD7657-1/AD7658-1CBĂEVAL-CONTROL BRD2)ࢅᅃ߲12V঍ୁ๼‫؜‬Վუഗă߸‫ၘܠ‬൧൩९၎࠲ೠࠚӱ‫ڦ‬रຍԴऻă Rev. A | Page 30 of 32 AD7656-1/AD7657-1/AD7658-1  ጀ๥ Rev. A | Page 31 of 32 AD7656-1/AD7657-1/AD7658-1  ጀ๥ ©2008–2009 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D07017-0-3/09(A) Rev. A | Page 32 of 32