AD7671ASTZRL

16࿋Ă1 MSPS CMOS ADC AD7671* ༬Ⴀ ཾུଉ 1 MSPS(Warpఇ๕) 800 kSPS(ኟ‫׉‬ఇ๕) INLǖፌ‫ٷ‬ኵ±2.5 LSB(஢ଉ‫ڦײ‬±0.0038%) 16࿋‫ݴ‬Ր୲Ă࿮฿ஓ S/(N+D)ǖ90 dB(‫ۆ‬႙ኵLj250 kHz) THDǖ–100 dB(‫ۆ‬႙ኵLj250 kHz) ఇె๼෇‫ۉ‬უ‫ྷݔ‬ ມटႠǖ±10 Vñ5 Vñ2.5 V ‫ڇ‬टႠǖ0 V዁10 VĂ0 V዁5 VĂ0 V዁2.5 V ঍ୁࢅ኱ୁଇዖࡀ߭ ࿮ୁ຤၍ჽ‫׿‬ ժႜ(8/16࿋)ࢅ‫ز‬ႜ5 V/3 Vথ੨ SPI®/QSPI™/MICROWIRE™/DSPग़ඹ ֑ᆩ5 V‫ۉڇ‬ᇸࠃ‫ۉ‬ ࠀࡼ ‫ۆ‬႙ኵྺ112 mW 100 SPS้ྺ15 μW ู‫ۉ‬ఇ๕ǖ7 μW(ፌ‫ٷ‬ኵ) ‫ހ‬ጎǖ48ᆅগ຺‫ݛ‬Ռೝ‫ހ‬ጎ(LQFP) ‫ހ‬ጎǖ48ᆅগႊೌप‫ހ‬ጎ(LFCSP) AD7665/AD7664‫ڦ‬ᆅগग़ඹืपഗॲ ᆌᆩ ຕ਍֑ण ཚ႑ ᅏഗᅏ՗ ೕ೷‫ݴ‬ဆ ᅅଐᅏഗ ࡗ‫ײ‬੦዆ ߁ຎ AD7671๟ᅃ੼16࿋Ă1 MSPSĂ‫ࢁۉ‬ዘ‫ݴ‬ದSAR႙ఇຕገ࣑ ഗ(ADC)Lj֑ᆩ5 V‫ۉڇ‬ᇸࠃ‫ۉ‬ă໲ాዃᅃ߲ߛ໏16࿋֑ᄣ ADCĂᅃ߲ᆩᅜۙኝ๼෇‫ۉڦྷݔ‬ፆۨՔഗĂᅃ߲ాևገ ้࣑ዓĂৰ‫ۉٱ‬ୟLjᅜत‫ز‬ႜࢅժႜဣཥথ੨ă AD7671ঢ়ࡗ‫׍؜‬ᆘॲၯጚࢅඇ௬֪๬Lj੗ඓԍ‫أ‬ᅃӯ኱ୁ ֖ຕ(ሺᅮĂೋዃࢅ၍Ⴀ‫)܈‬ኮྔLjዮස႑ሯԲ(SNR)ࢅጺၿ հ฿ኈ(THD)‫ڪ‬঍ୁ֖ຕᄺࢇࢭᄲ൱ă ໲ਏᆶෙዖ֑ᄣఇ๕ǖटߛ֑ᄣ໏୲ఇ๕(Warpఇ๕)Ǘ੺ ໏ఇ๕(ኟ‫׉‬ఇ๕)Lj๢ᆩᇀᅴօገ࣑୲ᆌᆩǗ‫ࡼࠀگ‬ఇ๕ (ஞ؋ఇ๕)Lj๢ᆩᇀ‫ࡼࠀگ‬ᆌᆩLjഄࠀࡼᇑཾུଉ‫װ‬Բ૩ ࠲ဣă *ጆ૧ኟሞฤ൩ዐ REV. B 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. 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 companies. ࠀీ઀཮ AVDD AGND REF REFGND IND(4R) INC(4R) INB(2R) INA(R) 4R DVDD DGND AD7671 OVDD 4R 2R SERIAL PORT R SWITCHED CAP DAC INGND OGND SER/PAR BUSY PARALLEL 16 INTERFACE CLOCK PD RESET D[15:0] CS RD CONTROL LOGIC AND CALIBRATION CIRCUITRY OB/2C BYTESWAP WARP IMPULSE CNVST PulSAR჋ስ ૌ႙/kSPS 100–250 500–570 ࿁ֶ‫ݴ‬ AD7660 AD7650 AD7664 ኈມटႠ AD7663 AD7665 AD7671 ኈֶ‫ݴ‬ AD7675 AD7676 AD7677 18࿋ AD7678 AD7679 AD7674 AD7654 AD7655 ཞօ/‫ܠ‬ཚ‫ڢ‬ 800–1000 ޿ഗॲ֑ᆩADIࠅິ‫ڦ‬0.6ྲ௝ߛႠీCMOS߾ᅝ዆ሰLj༵ ࠃ48ᆅগLQFPࢅ48ᆅগၭ႙LFCSPଇዖ‫ހ‬ጎLj߾ፕ࿒‫ݔ܈‬ ྷྺ–40°C዁+85°Că ׂ೗਋ঋ 1. 2. 3. 4. ! ߛཾུଉ AD7671๟ᅃ੼टߛ໏(Warpఇ๕ူྺ1 MSPSLjኟ‫׉‬ఇ ๕ူྺ800 kSPS)Ă‫ࢁۉ‬ም‫ݴ‬ದĂ16࿋SAR႙ADCă ‫ۉڇ‬ᇸࠃ‫ۉ‬ AD7671֑ᆩ5 V‫ۉڇ‬ᇸࠃ‫ۉ‬Lj‫ۆ‬႙ࠀࡼৈ112 mWǗሞ ‫ࡼࠀگ‬ఇ๕(ஞ؋ఇ๕)ࢅู‫ۉ‬ఇ๕ူ๑ᆩড‫ུཾڦگ‬ ଉ้Ljࠀࡼ߸‫گ‬ă ‫؜‬෥‫ڦ‬ओ‫ݥݴ‬၍Ⴀ(INL) AD7671‫ڦ‬ፌ‫ٷ‬ओ‫ݥݴ‬၍Ⴀྺ2.5 LSBLj༵ࠃ16࿋‫ݴ‬Ր୲Lj ࿮฿ஓă ‫ز‬ႜईժႜথ੨ ‫ీࠀܠ‬ժႜ(8࿋ई16࿋)ईມ၍‫ز‬ႜথ੨ದዃLj3 Vई5 V இडग़ඹă One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 www.analog.com Fax: 781/326-8703 © 2003 Analog Devices, Inc. All rights reserved. ADIዐ࿔Ӳຕ਍๮֩๟ᆈ࿔Ӳຕ਍๮֩‫ڦ‬ᅳ࿔Lj৤൩ଌ঴‫݋‬ᅳዐ੗ీ٪ሞ‫ڦ‬ᇕჾፇኯई‫݋‬ᅳ‫ٱ‬ဃLjADIփ‫݋ܔ‬ᅳዐ٪ሞ‫ֶڦ‬ᅴईᆯׂُิ‫ٱڦ‬ဃ޶ሴăසႴඓණඪࢆَᇕ‫ڦ‬ጚඓႠLj൩֖੊ADI༵ࠃ ‫ڦ‬ፌႎᆈ࿔Ӳຕ਍๮֩ă AD7671 रຍࡀ߭ (‫ݥأ‬ଷᆶຫ௽Lj–40°C዁+85°CLjAVDD = DVDD = 5 VLjOVDD = 2.7 V዁5.25 V) ֖ຕ ཉॲ ፌၭኵ ‫ݴ‬Ր୲ ఇె๼෇ ‫ۉ‬უ‫ྷݔ‬ ࠌఇ๼෇‫ۉ‬უ ఇె๼෇CMRR ๼෇ፆੇ ཾུ໏‫܈‬ ྜኝዜ೺ ཾུ໏୲ ገ࣑क़้߰क़ ྜኝዜ೺ ཾུ໏୲ ྜኝዜ೺ ཾུ໏୲ ኱ୁ৛‫܈‬ ओ‫ݥݴ‬၍Ⴀဃֶ ࿮฿ஓ ሂദሯำ ມटႠଭဃֶ2LjTMIN዁TMAX ມटႠ஢ଉ‫ײ‬ဃֶ2LjTMIN዁TMAX ‫ڇ‬टႠଭဃֶ2LjTMIN዁TMAX ‫ڇ‬टႠ஢ଉ‫ײ‬ဃֶ2LjTMIN዁TMAX ‫ۉ‬ᇸଳ௺‫܈‬ ঍ୁ৛‫܈‬ ႑ሯԲ ࿮ሗො‫ۯ‬ༀ‫ྷݔ‬ ጺၿհ฿ኈ ႑భԲ VIND – VINGND VINGND fIN = 100 kHz Warpఇ๕ Warpఇ๕ Warpఇ๕ ኟ‫׉‬ఇ๕ ኟ‫׉‬ఇ๕ ஞ؋ఇ๕ ஞ؋ఇ๕ ‫ۆ‬႙ኵ ࿋ ±4 REFLj0 V዁4 REFLj±2 REF(९՗I) –0.1 +0.5 74 ९՗I V dB 1 0 0 1 1000 1 1.25 800 1.5 666 μs kSPS ms μs kSPS μs kSPS +2.5 LSB1 ࿋ LSB LSB 0.7 ± 5 V‫ྷݔ‬Lj ኟ‫׉‬ईஞ؋ఇ๕ ഄ໲‫ྷݔ‬ईఇ๕ –45 +45 –0.1 –0.38 –0.18 –0.76 +0.1 +0.38 +0.18 +0.76 AVDD = 5 V ± 5% fIN = 20 kHz fIN = 250 kHz fIN = 250 kHz fIN = 20 kHz fIN = 250 kHz fIN = 20 kHz fIN = 250 kHzLj–60 dB๼෇ 89 88.5 –3 dB๼෇‫੻ټ‬ ஢ଉ‫ײ‬঩ሂ एጚ‫ۉ‬უ ྔևएጚ‫ۉ‬უ‫ྷݔ‬ ྔևएጚࡼᆩ‫ୁۉ‬ 1 MSPSཾུଉ ±9.5 FSR‫ڦ‬% FSR‫ڦ‬% FSR‫ڦ‬% FSR‫ڦ‬% LSB 90 90 100 –100 –100 90 30 9.6 dB3 dB dB dB dB dB dB MHz –96 2 5 250 2.3 ຕጴ๼෇ இड‫ۉ‬ೝ VIL VIH IIL IIH 2.5 200 –0.3 +2.0 –1 –1 ຕጴ๼‫؜‬ ຕ਍߭๕ ୁ຤၍ჽ‫׿‬ ‫ڇ‬࿋ 16 –2.5 16 ֑ᄣ‫ۯ‬ༀႠీ ੥০ჽ‫׿‬ ੥০۶‫ۯ‬ ຨༀၚᆌ VOL VOH ፌ‫ٷ‬ኵ ns ps rms ns AVDD – 1.85 V μA +0.8 DVDD + 0.3 +1 +1 V V μA μA ժႜई‫ز‬ႜ16࿋ ገ࣑ྜ‫ࢫׯ‬૬न༵ࠃገ࣑঳ࡕ ISINK = 1.6 mA ISOURCE = –570 mA Rev. B | Page 2 of 24 0.4 OVDD – 0.6 V V AD7671 ֖ຕ ཉॲ ‫ۉ‬ᇸ ‫ۨܮ‬Ⴀీ AVDD DVDD OVDD ߾ፕ‫ୁۉ‬5 AVDD DVDD6 OVDD6 ࠀࡼ6, 7 ፌၭኵ ‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ ‫ڇ‬࿋ 4 4 2 5 5 5.25 5.25 5.254 V V V 95 125 7 mA mA μA mW μW mW μW +85
1 MSPSཾུଉ 15 7.2 37 84 15 112 666 kSPSཾུଉ8 100 SPSཾུଉ8 1 MSPSཾུଉ5 ู‫ۉ‬ఇ๕9 ࿒‫ྷݔ܈‬10 ‫ۨܮ‬Ⴀీ TMIN዁TMAX –40 ጀ๥ 1 LSB՗๖ፌ‫گ‬ᆶၳ࿋ă±5 V๼෇‫้ྷݔ‬Lj1 LSB = 152.588 μVă 2 ֖९༬Ⴀۨᅭև‫ݴ‬ăኄၵ༬ႠփԈઔྔևएጚ‫ۉ‬უ‫ڦ‬ဃֶࠋ၅ă 3 ໯ᆶᅜdBྺ‫ڇ‬࿋‫ڦ‬༬Ⴀ਩֖੊஢ଉ‫ײ‬๼෇FSă‫ݥأ‬ଷᆶຫ௽Lj֪๬ཉॲྺ๼෇႑ࡽԲ஢ଉ‫گײ‬0.5 dBă 4 ፌ‫ٷ‬ኵྺ5.25 VࢅDVDD + 0.3 Vܾኁዐ‫ڦ‬ডၭኁă 5 :DUS῵ᓣDŽ 6 ሞժႜ‫܁‬ൽఇ๕ူ৊ႜ֪๬ă 7 ሞ0 V዁5 V‫ࢅྷݔ‬VIN – VINGND = 0 Vူ৊ႜ֪๬ă֖९ࠀࡼև‫ݴ‬ă 8 㛝‫ކ‬῵ᓣDŽ 9 OVDD‫گ‬ᇀDVDD + 0.3 VLj໯ᆶຕጴ๼෇ഽ዆૶‫ڟ‬DVDDईDGNDă 10 සႴ߸੻࿒‫ྷݔ܈‬Lj൩૴ဣADIࠅິă ࡀ߭සᆶՎ߸ທփଷႜཚኪă ՗I. ఇె๼෇ದዃ ๼෇‫ۉ‬უ‫ྷݔ‬ ±4 REF2 ±2 REF ±REF 0 V to 4 REF 0 V to 2 REF 0 V to REF IND(4R) INC(4R) INB(2R) INA(R) ๼෇ፆੇ1 V IN V IN V IN V IN V IN V IN INGND V IN V IN V IN V IN V IN INGND INGND V IN INGND V IN V IN REF REF REF INGND INGND V IN 1.63 kW 948 W 711 W 948 W 711 W ጀ๥3 ጀ๥ 1 ‫ۆ‬႙ఇె๼෇ፆੇă 2 REF = 3 V้Ljሞُ‫ాྷݔ‬Lj๼෇ᆌ၌዆ሞ–11 V዁+12 Vă 3 ‫ܔ‬ᇀُ‫ྷݔ‬Lj๼෇ྺߛፆੇă ้Ⴞࡀ߭ (‫ݥأ‬ଷᆶຫ௽Lj–40°C዁+85°CLjAVDD = DVDD = 5 VLjOVDD = 2.7 V዁5.25 V) ֖ຕ ֖੊཮11ࢅ཮12 ገ࣑ஞ؋੻‫܈‬ ገ࣑क़้߰क़ (Warpఇ๕/ኟ‫׉‬ఇ๕/ஞ؋ఇ๕) CNVST ‫ۉگ‬ೝ‫ڟ‬BUSYߛ‫ۉ‬ೝჽ‫้׿‬क़ BUSYߛ‫ۉ‬ೝLjገ࣑ኮࢫዷऐ‫ز‬ႜ‫܁‬ൽఇ๕‫ڦྔأ‬໯ᆶఇ๕ (Warpఇ๕/ኟ‫׉‬ఇ๕/ஞ؋ఇ๕) ੥০ჽ‫׿‬ ገ࣑঳ຐ‫ڟ‬BUSY‫ۉگ‬ೝჽ‫้׿‬क़ ገ้࣑क़(Warpఇ๕/ኟ‫׉‬ఇ๕/ஞ؋ఇ๕) ֑ण้क़ RESETஞ؋੻‫܈‬ ‫ࡽޙ‬ ፌၭኵ t1 t2 5 1/1.25/1.5 ‫ۆ‬႙ኵ t3 t4 t5 t6 t7 t8 t9 Rev. B | Page 3 of 24 ፌ‫ٷ‬ኵ ‫ڇ‬࿋ ጀ๥1 ns μs 30 0.75/1/1.25 ns μs 0.75/1/1.25 ns ns μs ns ns 2 10 250 10 AD7671 ้Ⴞࡀ߭ (Ⴤ) ‫ࡽޙ‬ ֖ຕ ֖੊཮13Ă14Ă15Ă16(ժႜথ੨ఇ๕) CNVST‫ۉگ‬ೝ‫ڟ‬DATAᆶၳჽ‫้׿‬क़ (Warpఇ๕/ኟ‫׉‬ఇ๕/ஞ؋ఇ๕) DATAᆶၳ‫ڟ‬BUSY‫ۉگ‬ೝჽ‫้׿‬क़ ጺ၍‫ݡ‬࿚൩൱‫ڟ‬DATAᆶၳ ጺ၍๥‫้ݣ‬क़ ፌၭኵ ‫ۆ‬႙ኵ t10 ‫ڇ‬࿋ 0.75/1/1.25 μs 40 15 ns ns ns 20 t11 t12 t13 ֖੊཮17Ă18(ዷऐ‫ز‬ႜথ੨ఇ๕) CS‫ۉگ‬ೝ‫ڟ‬SYNCᆶၳჽ‫้׿‬क़ CS‫ۉگ‬ೝ‫ాڟ‬ևSCLKᆶၳჽ‫้׿‬क़ CS‫ۉگ‬ೝ‫ڟ‬SDOUTჽ‫้׿‬क़ CNVST‫ۉگ‬ೝ‫ڟ‬SYNCჽ‫้׿‬क़(ገ࣑೺क़‫܁‬ൽ) (Warpఇ๕/ኟ‫׉‬ఇ๕/ஞ؋ఇ๕) SYNCዃ࿋‫ڟ‬SCLK‫ڼ‬ᅃ߲ᄂჽ‫้׿‬क़3 ాևSCLKዜ೺3 ాևSCLKߛ‫ۉ‬ೝ3 ాևSCLK‫ۉگ‬ೝ3 SDOUTᆶၳยዃ้क़3 SDOUTᆶၳԍ‫้׼‬क़3 SCLKፌࢫᅃ߲ᄂ‫ڟ‬SYNCჽ‫้׿‬क़3 CSߛ‫ۉ‬ೝ‫ڟ‬SYNCߛፆༀ CSߛ‫ۉ‬ೝ‫ాڟ‬ևSCLKߛፆༀ CSߛ‫ۉ‬ೝ‫ڟ‬SDOUTߛፆༀ BUSYߛ‫ۉ‬ೝ(ገ࣑ኮࢫዷऐ‫ز‬ႜ‫܁‬ൽ)3 CNVST‫ۉگ‬ೝ‫ڟ‬SYNCዃ࿋ჽ‫้׿‬क़ (Warpఇ๕/ኟ‫׉‬ఇ๕/ஞ؋ఇ๕) ገ࣑ኮࢫዷऐ‫ز‬ႜ‫܁‬ൽ SYNC঴‫أ‬ዃ࿋‫ڟ‬BUSY‫ۉگ‬ೝჽ‫้׿‬क़ ፌ‫ٷ‬ኵ 5 2 t14 t15 t16 t17 10 10 10 25/275/525 t18 t19 t20 t21 t22 t23 t24 t25 t26 t27 t28 t29 4 25 15 9. 5 4. 5 2 3 ns ns ns ns ns ns 40 10 10 10 t30 ֖੊཮19Ă21(ٗऐ‫ز‬ႜথ੨ఇ๕) ྔևSCLKยዃ้क़ ྔևSCLKᆶၳᄂ‫ڟ‬SDOUTჽ‫้׿‬क़ SDINยዃ้क़ SDINԍ‫้׼‬क़ ྔևSCLKዜ೺ ྔևSCLKߛ‫ۉ‬ೝ ྔևSCLK‫ۉگ‬ೝ ns ns ns ns ९՗II 0.75/1/1.25 ns ns ns μs μs 25 ns 5 3 5 5 25 10 10 t31 t32 t33 t34 t35 t36 t37 ns ns ns ns ns ns ns 16 ጀ๥ 1 ৈWarpఇ๕ူLjገ࣑क़้߰क़ፌ‫ྺ׊‬1 msǗഄ໲ఇ๕ူ࿮ፌ‫้׊‬क़ᄲ൱ă 2 ‫ز‬ႜথ੨ఇ๕ူLjSYNCĂSCLKࢅSDOUT้Ⴞሞፌ‫ٷ‬10 pF‫޶ڦ‬ሜCLူ৊ႜۨᅭǗഄ໲൧઄ူLj޶ሜፌ‫ٷ‬ኵྺ60 pFă 3 ገ࣑೺क़‫ز‬ႜዷऐ‫܁‬ൽఇ๕ăገ࣑ኮࢫዷऐ‫܁‬ൽఇ๕९՗IIă ࡀ߭සᆶՎ߸ທփଷႜཚኪă ՗II. ገ࣑ኮࢫዷऐ‫܁‬ൽఇ๕‫زڦ‬ႜ้ዓ้Ⴞ DIVSCLK[1] DIVSCLK[0] SYNC‫ڟ‬SCLK‫ڼ‬ᅃ߲ᄂჽ‫้׿‬क़ፌၭኵ ాևSCLKዜ೺ፌၭኵ ాևSCLKዜ೺ፌ‫ٷ‬ኵ ాևSCLKߛ‫ۉ‬ೝፌၭኵ ాևSCLK‫ۉگ‬ೝፌၭኵ SDOUTᆶၳยዃ้क़ፌၭኵ SDOUTᆶၳԍ‫้׼‬क़ፌၭኵ SCLKፌࢫᅃ߲ᄂ‫ڟ‬SYNCჽ‫้׿‬क़ፌၭኵ BUSYߛ‫ۉ‬ೝ੻‫܈‬ፌ‫ٷ‬ኵ(Warpఇ๕) BUSYߛ‫ۉ‬ೝ੻‫܈‬ፌ‫ٷ‬ኵ(ኟ‫׉‬ఇ๕) BUSYߛ‫ۉ‬ೝ੻‫܈‬ፌ‫ٷ‬ኵ(ஞ؋ఇ๕) t18 t19 t19 t20 t21 t22 t23 t24 t28 t28 t28 0 0 0 1 1 0 4 25 40 15 9 4.5 2 3 1.5 1.75 2 20 50 70 25 24 22 4 60 2 2.25 2.5 20 100 140 50 49 22 30 140 3 3.25 3.5 ࡀ߭සᆶՎ߸ທփଷႜཚኪă Rev. B | Page 4 of 24 1 1 20 200 280 100 99 22 89 300 5.25 5.5 5.75 ‫ڇ‬࿋ ns ns ns ns ns ns ns ns μs μs μs AD7671 TO OUTPUT PIN REFGND REF INGND INB(2R) INA(R) NC NC NC NC 48 47 46 45 44 43 42 41 40 39 38 37 AGND 1 AVDD 2 PIN 1 IDENTIFIER NC 3 BYTESWAP 4 OB/2C 5 WARP 6 AD7671 AGND 35 34 CNVST PD 33 RESET 32 CS RD DGND 29 BUSY 30 SER/PAR 8 D0 9 D1 10 D2/DIVSCLK[0] 11 D3/DIVSCLK[1] 12 28 D15 27 D14 26 D13 D12 25 D11/RDERROR D9/SCLK D10/SYNC DVDD DGND D8/SDOUT OVDD D7/RDC/SDIN OGND 13 14 15 16 17 18 19 20 21 22 23 24 D4/EXT/INT D5/INVSYNC D6/INVSCLK NC = NO CONNECT 36 31 TOP VIEW (Not to Scale) IMPULSE 7 ጀ๥ 1 ጀᅪLj‫؜ג‬ฉຎਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵ੗ీࣷ‫ڞ‬ዂഗॲᆦ৳Ⴀ໦࣋ăኄኻ๟‫ۨܮ‬ᆌ૰ኵLj փภतഗॲሞኄၵईඪࢆഄ໲ཉॲူ‫؜ג‬Ԩरຍࡀ߭ኸՔ‫ీࠀڦ‬Ⴀ֡ፕă ‫׊‬೺ሞਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵཉॲူ߾ፕࣷᆖၚഗॲ‫ڦ‬੗੍Ⴀă 2 ֖९ఇె๼෇և‫ݴ‬ă 3 ኍ‫ܔ‬੣ഘዐ‫ڦ‬ഗॲܸჾǖ48ᆅগLQFPǖ θJA = 91°C/W, θJC = 30°C/W. 4 ኍ‫ܔ‬੣ഘዐ‫ڦ‬ഗॲܸჾǖ48ᆅগLFCSPǖ θJA = 26°C/W. 1.6mA IND(4R) INC(4R) ᆅগದዃ ST-48ࢅCP-48 ఇె๼෇ IND2, INC2, INB2 .............................................. –11 V዁+30 V INA, REF, INGND, REFGND, AGND ........................................................... – 0.3 V዁AVDD + 0.3 V ‫ۉں‬უֶ AGND, DGND, OGND ............................................... ±0.3 V ‫ۉ‬ᇸ‫ۉ‬უ AVDD, DVDD, OVDD ................................... –0.3 V዁+7 V AVDD዁DVDDLjAVDD዁OVDD ............................. ±7 V DVDD዁OVDD ............................................... –0.3 V዁+7 V ! ຕጴ๼෇ ......................................... –0.3 V዁DVDD + 0.3 V ాևࠀࡼ3 ............................................................................ 700 mW ాևࠀࡼ4 ................................................................................. 2.5 W ঳࿒ ........................................................................................... 150°C ٪‫ئ‬࿒‫ ྷݔ܈‬....................................................... –65°C዁+150°C ᆅগ࿒‫ྷݔ܈‬ (ࡰথLj10௱)....................................................................300°C NC ਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵ1 IOL 1.4V CL 60pF* 2V 500 A IOH 0.8V tDELAY * IN SERIAL INTERFACE MODES, THE SYNC, SCLK, AND SDOUT TIMINGS ARE DEFINED WITH A MAXIMUM LOAD CL OF 10pF; OTHERWISE, THE LOAD IS 60pF MAXIMUM. tDELAY 2V 0.8V ཮1. ຕጴথ੨้Ⴞ‫޶ڦ‬ሜ‫ۉ‬ୟLj SDOUTĂSYNCĂSCLK๼‫؜‬LjCL = 10 pF 2V 0.8V ཮2. ᆩᇀඓ้ۨႾ‫ڦ‬एጚ‫ۉ‬ೝ ۩ࠔኸళ ႙ࡽ ࿒‫ྷݔ܈‬ ࿒‫!ྷݔ܈‬ ‫ހ‬ጎ჋ၜ AD7671AST AD7671ASTRL AD7671ACP AD7671ACPRL EVAL-AD7671CB1 EVAL-CONTROL BRD22 –40°C዁+85°C –40°C዁+85°C –40°C዁+85°C –40°C዁+85°C ຺‫ݛ‬Ռೝ‫ހ‬ጎ(LQFP) ຺‫ݛ‬Ռೝ‫ހ‬ጎ(LQFP) ႊೌप‫ހ‬ጎ(LFCSP) ႊೌप‫ހ‬ጎ(LFCSP) ೠࠚӱ ੦዆ഗӱ ST-48 ST-48 CP-48 CP-48 ጀ๥ 1 ُӱ੗‫܀ڇ‬ᆩፕೠࠚӱLjईᇑEVAL-CONTROL BRD2ದࢇᆩᇀೠࠚ/ᄇ๖ă 2 ُӱሎႹPC‫ܔ‬໯ᆶ‫ټ‬CBՔኾࢫጘ‫ڦ‬ADIೠࠚӱ৊ႜ੦዆ժᇑኮཚ႑ă য়ߢ ESD(ৢ‫ߌ௺)ۉݣۉ‬ഗॲăৢ‫࢔ࢁۉۉ‬ඹᅟሞට༹ࢅ֪๬ยԢฉેओLj੗ߛ‫ٳ‬4000 VLj ժ੗ీሞுᆶִਥ‫ڦ‬൧઄ူ‫ۉݣ‬ă৑࠶AD7671ਏᆶጆᆶESDԍࢺ‫ۉ‬ୟLj‫ڍ‬ሞᇜ‫ీߛڟ‬ ଉৢ‫้ۉݣۉ‬Lj੗ీࣷ݀ิᆦ৳Ⴀഗॲ໦࣋ăᅺُLjॺᅱ֑ൽ๢‫ڦړ‬ESD‫ٯݔݞ‬แLj ᅜՆ௨ഗॲႠీူইईࠀీෟ฿ă Rev. B | Page 5 of 24 AD7671 ᆅগࠀీ௮ຎ ᆅগՊࡽ ᆅগఁ‫׬‬ ૌ႙ ௮ຎ 1 2 3, 44–48 4 AGND AVDD NC BYTESWAP P P ఇె‫ۉ‬ᇸ‫ں‬ᆅগă 5 OB/2C DI 6 WARP DI ఇ๕჋ስă‫ړ‬໲ྺߛ‫ۉ‬ೝ൐IMPULSEྺ‫ۉگ‬ೝ้Ljُ๼෇჋ስፌ੺‫ڦ‬ఇ๕Lj ੗ᅜํ၄ፌߛཾུଉǗྺକԍኤ‫ۨܮڟٳ‬ፌߛ৛‫܈‬LjՂႷ֑ᆩፌၭገ࣑໏୲ă ‫ړ‬໲ྺ‫ۉگ‬ೝ้Lj࿮ஃ๟‫֑ޏ‬ᆩፌၭገ࣑໏୲Lj๔ዕీԍ‫׼‬ፌߛ৛‫܈‬ă 7 IMPULSE DI 8 SER/PAR DI 9, 10 D[0:1] DO 11, 12 D[2:3]ई DI/O ఇ๕჋ስă‫ړ‬໲ྺߛ‫ۉ‬ೝ൐WARPྺ‫ۉگ‬ೝ้Ljُ๼෇჋ስ‫ࡼࠀگ‬ఇ๕ă ُఇ๕ူLjࠀࡼᇑ֑ᄣ໏୲‫ٷ‬ዂ‫װ‬Բ૩࠲ဣă ‫ز‬ႜ/ժႜ჋ስ๼෇ă‫ۉگ‬ೝ้Lj჋ስժႜ‫܋‬੨Ǘߛ‫ۉ‬ೝ้Lj ჋ስ‫ز‬ႜথ੨ఇ๕Ljຕ਍ጺ၍‫ڦ‬ᅃၵ࿋ᆩፕ‫ز‬ႜ‫܋‬੨ă ժႜ‫܋‬੨ຕ਍๼‫؜‬ጺ၍‫ڦ‬࿋0ࢅ࿋1ă‫ړ‬SER/PARྺߛ‫ۉ‬ೝ้Lj ኄၵ๼‫ت؜‬ᇀߛፆༀă ‫ړ‬SER/PARྺ‫ۉگ‬ೝ้Ljኄၵ๼‫؜‬ᆩፕժႜ‫܋‬੨ຕ਍๼‫؜‬ጺ၍‫ڦ‬࿋2ࢅ࿋3ă D[4] ईEXT/INT DI/O ‫ړ‬SER/PARྺߛ‫ۉ‬ೝĂEXT/INTྺ‫ۉگ‬ೝ൐RDC/SDINྺ‫ۉگ‬ೝ้Lj ჋ስገ࣑ኮࢫ‫ز‬ႜዷऐ‫܁‬ൽఇ๕ăኄၵ๼෇๟‫ز‬ႜ‫܋‬੨‫ڦ‬ᅃև‫ݴ‬Lj Ⴔᄲ้੗ᆩᇀ३஥ደ߲๼‫؜‬ຕ਍‫ాڦ‬և‫ز‬ႜ้ዓă ሞഄ໲‫ز‬ႜఇ๕ူLjኄၵᆅগྺߛፆༀ๼‫؜‬ă ‫ړ‬SER/PARྺ‫ۉگ‬ೝ้Ljُ๼‫؜‬ᆩፕժႜ‫܋‬੨ຕ਍๼‫؜‬ጺ၍‫ڦ‬࿋4ă 14 D[5] ईINVSYNC DI/O 15 D[6] ईINVSCLK DI/O 16 D[7] ईRDC/SDIN DI/O ‫ړ‬SER/PARྺ‫ۉگ‬ೝ้Ljُ๼‫؜‬ᆩፕժႜ‫܋‬੨ຕ਍๼‫؜‬ጺ၍‫ڦ‬࿋7ă 17 OGND P ‫ړ‬SER/PARྺߛ‫ۉ‬ೝ้Ljُ๼෇(‫ز‬ႜ‫܋‬੨‫ڦ‬ᅃև‫)ݴ‬ᆩፕྔևຕ਍๼෇ई‫܁‬ൽఇ๕჋ስ๼෇Lj ਏ༹ൽਦᇀEXT/INT‫ڦ‬ጒༀă ‫ړ‬EXT/INTྺߛ‫ۉ‬ೝ้LjRDC/SDIN੗ᅜᆩፕຕ਍๼෇Lj ᅜॽଇ߲ई߸‫ܠ‬ADC‫ڦ‬ገ࣑঳ࡕᅜਅࢾ૾‫ݛ‬๕‫د‬๼‫ڇڟ‬ᅃSDOUT၍ୟฉă ‫܁‬ൽႾଚഔ‫ࢫۯ‬ჽ‫׿‬16߲SCLKዜ೺LjSDINฉ‫ڦ‬ຕጴຕ਍‫ۉ‬ೝཚࡗDATA๼‫؜‬ă ‫ړ‬EXT/INTྺ‫ۉگ‬ೝ้LjRDC/SDINᆩᇀ჋ስ‫܁‬ൽఇ๕ă‫ړ‬RDC/SDINྺߛ‫ۉ‬ೝ้Lj മᅃຕ਍ሞገ࣑೺क़ཚࡗSDOUT๼‫؜‬ă‫ړ‬RDC/SDINྺ‫ۉگ‬ೝ้Lj ຕ਍ኻᆶ‫ڟڪ‬ገ࣑ྜ‫ీ֍ࢫׯ‬ཚࡗSDOUT๼‫؜‬ă ๼෇/๼‫؜‬থ੨ຕጴ‫ۉ‬ᇸ‫ں‬ă 18 OVDD P ๼෇/๼‫؜‬থ੨ຕጴ‫ۉ‬ᇸăُᆅগ‫ڦ‬Ք‫ۉ׬‬ᇸᇑዷऐথ੨‫ۉ‬ᇸ၎ཞ(5 Vई3 V)ă 19 20 DVDD DGND P P ຕጴ‫ۉ‬ᇸăՔ‫׬‬ኵ5 Vă փ૶থă DIVSCLK[0:1] 13 ๼෇ఇె‫ۉ‬ᇸᆅগăՔ‫׬‬ኵ5 Vă ժႜఇ๕჋ስ(8/16࿋)ă‫ۉگ‬ೝ้LjLSBཚࡗD[7:0]๼‫؜‬LjMSBཚࡗD[15:8]๼‫؜‬ă ߛ‫ۉ‬ೝ้LjLSBཚࡗD[15:8]๼‫؜‬LjMSBཚࡗD[7:0]๼‫؜‬ă Քጚܾ৊዆/ܾ৊዆ցஓăOB/2Cྺߛ‫ۉ‬ೝ้Ljຕጴ๼‫ྺ؜‬Քጚܾ৊዆Ǘ ‫ۉگ‬ೝ้LjMSB‫ݒ‬ገLj‫ڞ‬ዂഄాևᅎ࿋स٪ഗ๼‫ܾ؜‬৊዆ցஓă ‫ړ‬SER/PARྺߛ‫ۉ‬ೝ้Ljُ๼෇(‫ز‬ႜ‫܋‬੨‫ڦ‬ᅃև‫)ݴ‬ᆩፕຕጴ჋ስ๼෇Lj ᅜ჋ስాևईྔևຕ਍้ዓ(‫ݴ‬՚‫ྺ׬‬ዷऐఇ๕ࢅٗऐఇ๕)ă ‫ړ‬EXT/INTྺ‫ۉگ‬ೝ้LjSCLK๼‫؜‬჋ስాև้ዓă‫ړ‬EXT/INTยྺஇडߛ‫ۉ‬ೝ้Lj ๼‫؜‬ຕ਍ᇑ૶থ‫ڟ‬SCLK๼෇‫ྔڦ‬և้ዓ႑ࡽཞօLjྔև้ዓᆯCS჋ཚă ‫ړ‬SER/PARྺ‫ۉگ‬ೝ้Ljُ๼‫؜‬ᆩፕժႜ‫܋‬੨ຕ਍๼‫؜‬ጺ၍‫ڦ‬࿋5ă ‫ړ‬SER/PARྺߛ‫ۉ‬ೝ้Ljُ๼෇(‫ز‬ႜ‫܋‬੨‫ڦ‬ᅃև‫)ݴ‬ᆩᇀ჋ስSYNC႑ࡽ‫ڦ‬ᆶၳጒༀă ‫ۉگ‬ೝ้LjSYNCྺߛ‫ۉ‬ೝᆶၳăߛ‫ۉ‬ೝ้LjSYNCྺ‫ۉگ‬ೝᆶၳă ‫ړ‬SER/PARྺ‫ۉگ‬ೝ้Ljُ๼‫؜‬ᆩፕժႜ‫܋‬੨ຕ਍๼‫؜‬ጺ၍‫ڦ‬࿋6ă ‫ړ‬SER/PARྺߛ‫ۉ‬ೝ้Ljُ๼෇(‫ز‬ႜ‫܋‬੨‫ڦ‬ᅃև‫)ݴ‬ᆩᇀ๑SCLK႑ࡽ‫ݒ‬၎ă ໲ሞዷऐࢅٗऐఇ๕ူ਩ᆶၳă ຕጴ‫ۉ‬ᇸ‫ں‬ă Rev. B | Page 6 of 24 AD7671 ᆅগࠀీ௮ຎ(Ⴤ) ᆅগՊࡽ ᆅগఁ‫׬‬ ૌ႙ ௮ຎ 21 DO ‫ړ‬SER/PARྺ‫ۉگ‬ೝ้Ljُ๼‫؜‬ᆩፕժႜ‫܋‬੨ຕ਍๼‫؜‬ጺ၍‫ڦ‬࿋8ă ‫ړ‬SER/PARྺߛ‫ۉ‬ೝ้Ljُ๼‫ز(؜‬ႜ‫܋‬੨‫ڦ‬ᅃև‫)ݴ‬ᆩፕᇑSCLKཞօ‫زڦ‬ႜຕ਍๼‫؜‬ă ገ࣑঳ࡕ٪‫ئ‬ሞೌాस٪ഗዐăAD7671ᅜMSBᆫံ‫ݛ‬๕ٗాևᅎ࿋स٪ഗ༵ࠃገ࣑঳ࡕă ຕ਍߭๕ᆯOB/2C‫ڦ‬இड‫ۉ‬ೝਦۨă‫ز‬ႜఇ๕ူLj‫ړ‬EXT/INTྺ‫ۉگ‬ೝ้Lj SDOUTሞSCLK‫ڦ‬ଇ߲ᄂฉ਩ᆶၳă D[8] ईSDOUT ‫ز‬ႜఇ๕ူLj‫ړ‬EXT/INTྺߛ‫ۉ‬ೝ้ǖ සࡕINVSCLKྺ‫ۉگ‬ೝLjሶSDOUTሞSCLKฉืᄂ߸ႎLjժሞူᅃ߲ူইᄂᆶၳă සࡕINVSCLKྺߛ‫ۉ‬ೝLjሶSDOUTሞSCLKူইᄂ߸ႎLjժሞူᅃ߲ฉืᄂᆶၳă ‫ړ‬SER/PARྺ‫ۉگ‬ೝ้Ljُ๼‫؜‬ᆩፕժႜ‫܋‬੨ຕ਍๼‫؜‬ጺ၍‫ڦ‬࿋9ă ‫ړ‬SER/PARྺߛ‫ۉ‬ೝ้Ljُᆅগ(‫ز‬ႜ‫܋‬੨‫ڦ‬ᅃև‫)ݴ‬ᆩፕ‫ز‬ႜຕ਍้ዓ๼෇ई๼‫؜‬Lj ਏ༹ൽਦᇀEXT/INTᆅগ‫ڦ‬இडጒༀăSDOUT߸ႎ‫ڦ‬ᆶၳᄂൽਦᇀINVSCLKᆅগ‫ڦ‬இडጒༀă 22 D[9] ईSCLK DI/O 23 D[10] ईSYNC DO ‫ړ‬SER/PARྺ‫ۉگ‬ೝ้Ljُ๼‫؜‬ᆩፕժႜ‫܋‬੨ຕ਍๼‫؜‬ጺ၍‫ڦ‬࿋10ă ‫ړ‬SER/PARྺߛ‫ۉ‬ೝ้Ljُ๼‫ز(؜‬ႜ‫܋‬੨‫ڦ‬ᅃև‫)ݴ‬ᆩፕຕጴ๼‫؜‬ኡཞօ႑ࡽLj ದࢇాևຕ਍้ዓ๑ᆩ(EXT/INT=இड‫ۉگ‬ೝ)ă‫ړ‬ഔ‫܁ۯ‬ൽႾଚ൐INVSYNCྺ‫ۉگ‬ೝ้Lj SYNCՎྺߛ‫ۉ‬ೝLjժሞSDOUT๼‫؜‬ᆶၳ೺क़ԍ‫ۉߛ׼‬ೝă‫ړ‬ഔ‫܁ۯ‬ൽႾଚ൐INVSYNCྺߛ‫ۉ‬ೝ้Lj SYNCՎྺ‫ۉگ‬ೝLjժሞSDOUT๼‫؜‬ᆶၳ೺क़ԍ‫ۉگ׼‬ೝă 24 D[11] ईRDERROR DO ‫ړ‬SER/PARྺ‫ۉگ‬ೝ้Ljُ๼‫؜‬ᆩፕժႜ‫܋‬੨ຕ਍๼‫؜‬ጺ၍‫ڦ‬࿋11ă ‫ړ‬SER/PARྺߛ‫ۉ‬ೝ൐EXT/INTྺߛ‫ۉ‬ೝ้Ljُ๼‫ز(؜‬ႜ‫܋‬੨‫ڦ‬ᅃև‫)ݴ‬ᆩፕ࿄ྜ‫܁ׯ‬ൽ‫ٱ‬ဃՔኾă ሞٗऐఇ๕ူLjසࡕຕ਍‫܁‬ൽᅙਸ๔Lj‫ڍ‬࿄ሞူᅃ߲ገ࣑ྜ‫ׯྜ้ׯ‬Lj ሶ‫ړ‬മຕ਍۪฿LjRDERRORՎྺߛ‫ۉ‬ೝă 25–28 D[12:15] DO ժႜ‫܋‬੨ຕ਍๼‫؜‬ጺ၍‫ڦ‬࿋12዁࿋15ă‫ړ‬SER/PARྺߛ‫ۉ‬ೝ้Ljኄၵ๼‫ت؜‬ᇀߛፆༀă 29 BUSY DO ๼‫ݏ؜‬஬ăਸ๔ገ้࣑LjُᆅগՎྺߛ‫ۉ‬ೝLjժԍ‫ۉߛ׼‬ೝ኱‫ڟ‬ገ࣑ྜ‫ׯ‬Lj ժ൐ຕ਍ԥ໮٪‫ాೌڟ‬ᅎ࿋स٪ഗăBUSY‫ူڦ‬ইᄂ੗ᅜᆩፕຕ਍৽Ⴣ้ዓ႑ࡽă 30 31 32 DGND RD CS P DI DI 33 RESET DI 34 PD DI ՂႷথຕጴ‫ں‬ă ‫܁‬ൽຕ਍ă‫ړ‬CSࢅRD਩ྺ‫ۉگ‬ೝ้Lj๑ీথ੨ժႜई‫ز‬ႜ๼‫؜‬ጺ၍ă ೌ჋ă‫ړ‬CSࢅRD਩ྺ‫ۉگ‬ೝ้Lj๑ీথ੨ժႜई‫ز‬ႜ๼‫؜‬ጺ၍ă CS࣏ᆩᇀ჋ཚྔև‫ز‬ႜ้ዓă ް࿋๼෇ăยྺஇडߛ‫ۉ‬ೝ้LjAD7671ް࿋Lj‫ړ‬മገ࣑(සᆶ)ዐኹăසࡕփ๑ᆩLj ُᆅগ੗ᅜথDGNDă ู‫ۉ‬๼෇ăยྺஇडߛ‫ۉ‬ೝ้Ljࠀࡼই‫گ‬Lj‫ړ‬മገ࣑ྜ‫্ࢫׯ‬ኹገ࣑ă 35 CNVST DI ਸ๔ገ࣑ăCNVSTฉืᄂ๑ాև֑ᄣԍ‫׼‬ഗ৊෇ԍ‫׼‬ጒༀLjժ൐ഔ‫ۯ‬ገ࣑ă ሞஞ؋ఇ๕ူ(IMPULSEྺߛ‫ۉ‬ೝ൐WARPྺ‫ۉگ‬ೝ)Lj‫֑ړ‬ण঩܎(t8)ྜ‫้ׯ‬Lj සࡕCNVST‫ت‬ᇀ‫ۉگ‬ೝጒༀLjሶాև֑ᄣԍ‫׼‬ഗ৊෇ԍ‫׼‬ጒༀLjገ࣑૬नਸ๔ă 36 37 38 39 40, 41, 42, 43 AGND REF REFGND INGND INA, INB, INC, IND P AI AI P AI ՂႷথఇె‫ں‬ă एጚ๼෇‫ۉ‬უă एጚ๼෇ఇె‫ں‬ă ఇె๼෇‫ں‬ă ఇె๼෇ă๼෇‫ྷݔ‬ದዃ९՗Iă ጀ๥ AI = ఇె๼෇ DI = ຕጴ๼෇ DI/O = ມၠຕጴ DO = ຕጴ๼‫؜‬ P = ‫ۉ‬ᇸ Rev. B | Page 7 of 24 AD7671 ༬Ⴀۨᅭ ᆶၳ࿋ຕ(ENOB) ओ‫ݥݴ‬၍Ⴀ(INL) ၍Ⴀဃֶ๟ኸ௅߲ஓᇑᅃཉٗ“޶஢ଉ‫“ڟࣃ”ײ‬ኟ஢ଉ‫”ײ‬ ‫ڦ‬኱၍‫ڦ‬ೋֶă޶஢ଉ‫؜ۅײ‬၄ሞ‫ڼ‬ᅃ߲ஓገ࣑ኮമ‫ڦ‬1/2 LSB‫ت‬ăኟ஢ଉ‫ۨײ‬ᅭྺ‫؜ג‬ፌࢫᅃ߲ஓገ࣑1/2 LSB‫ڦ‬ᅃ߲ ‫ۉ‬ೝăٗ߳ஓ‫ڦ‬ዐ‫޿ڟۅ‬኱၍‫ڦ‬ਐ૗नྺೋֶă ྲ‫ݥݴ‬၍Ⴀ(DNL) ሞᅃ߲૙ၙADCዐLjஓገ࣑၎ਐ1 LSBăྲ‫ݥݴ‬၍Ⴀ๟ኸํ ाኵᇑُ૙ၙኵ‫ڦ‬ፌ‫ٷ‬ೋֶăঢ়‫׉‬ᆩԍኤ࿮฿ஓ‫ݴڦ‬Ր୲ ઠࡀۨኄᅃ༬Ⴀă ஢ଉ‫ײ‬ဃֶ ፌࢫᅃ߲ஓገ࣑(ܾ৊዆ցஓՊஓ้ྺٗ011 . . . 10‫ڟ‬011 . . . 11)ᆌ‫ܔ‬ᆌᇀᅃ߲ԲՔ‫׬‬஢ଉ‫گײ‬1 1/2 LSB‫ڦ‬ఇె‫ۉ‬უ(±2.5 V ‫ྺ้ྷݔ‬2.499886 V)ă஢ଉ‫ײ‬ဃֶ๟ኸፌࢫᅃ߲ஓገ࣑‫ํڦ‬ ा‫ۉ‬ೝᇑ૙ၙ‫ۉ‬ೝ‫ڦ‬ೋֶă ມटႠଭဃֶ ૙ၙዐक़‫ۉ‬ೝ๼෇‫ۉ‬უ(0 V)ᇑׂิዐक़‫ۉ‬ೝ๼‫؜‬ஓ‫ํڦ‬ा‫ۉ‬ უኮֶă ‫ڇ‬टႠଭဃֶ ሞ‫ڇ‬टႠఇ๕ူLj‫ڼ‬ᅃ߲ஓገ࣑ᆌ‫ܔ‬ᆌᇀᅃ߲Բఇె‫ߛں‬ 1/2 LSB‫ۉڦ‬ೝă‫ڇ‬टႠଭဃֶ๟ኸํाገ࣑ᇑ޿‫ڦۅ‬ೋֶă ࿮ሗො‫ۯ‬ༀ‫(ྷݔ‬SFDR) ૧ᆩኟ၀հ๼෇֪‫ݴڦڥ‬Ր୲ă໲ᇑ႑భԲ၎࠲Ljူ๕ߴ ‫؜‬କܾኁ‫࠲ڦ‬ဣǖ ENOB = (S/[N + D]dB – 1.76)/6.02) ໲ᆩ࿋՗๖ă ጺၿհ฿ኈ(THD) മ࿵߲ၿհ‫ڦݴׯ‬਩‫ࢅߵݛ‬ᇑ஢ଉ‫ײ‬๼෇႑ࡽ‫ڦ‬਩‫ߵݛ‬ኵ ኮԲLjᆩ‫ݴ‬Ԟ(dB)՗๖ă ႑ሯԲ(SNR) ํा๼෇႑ࡽ‫ڦ‬਩‫ߵݛ‬ኵᇑలઊຯ༬ೕ୲ᅜူ‫أ‬ၿհࢅ኱ ୁྔ‫ڦ‬໯ᆶഄ໲ೕ೷‫ڦݴׯ‬਩‫ࢅߵݛ‬ኮԲLjᆩ‫ݴ‬Ԟ(dB)՗ ๖ă ႑భԲ(S/[N+D]) ํा๼෇႑ࡽ‫ڦ‬਩‫ߵݛ‬ኵᇑలઊຯ༬ೕ୲ᅜူԈઔၿհ‫ڍ‬ ኱ୁ‫ڦྔأ‬໯ᆶഄ໲ೕ೷‫ڦݴׯ‬਩‫ࢅߵݛ‬ኮԲLjᆩ‫ݴ‬Ԟ (dB)՗๖ă ੥০ჽ‫׿‬ ᆩᇀ࢚ଉ֑णႠీLjኸٗCNVST๼෇‫ူڦ‬ইᄂ‫ڟ‬๼෇႑ࡽ ੗৊ႜገ࣑‫้ڦ‬क़ă ຨༀၚᆌ ‫ܔ‬AD7671‫ڦ‬๼෇ᆌᆩ஢ଉ‫ײ‬঩ሂࡧຕኮࢫLjAD7671ํ၄ ‫ۨܮ‬৛‫܈‬໯Ⴔ‫้ڦ‬क़ă ๼෇႑ࡽᇑ‫ރ‬ኵሗො႑ࡽ‫ڦ‬਩‫ޗߵݛ‬ኵኮֶLjᆩ‫ݴ‬Ԟ(dB) ՗๖ă Rev. B | Page 8 of 24 ‫ۆ‬႙߾ፕ༬Ⴀ–AD7671 60 2.5 2.0 50 1.5 NUMBER OF UNITS INL – LSB 1.0 0.5 0 –0.5 –1.0 –1.5 40 30 20 10 –2.0 0 –3.0 –2.5 0 16384 32768 49152 65536 –2.7 –2.4 CODE –2.1 –1.8 –1.5 –1.2 –0.9 –0.6 –0.3 NEGATIVE INL – LSB TPC 1. ओ‫ݥݴ‬၍Ⴀᇑஓ‫࠲ڦ‬ဣ TPC 4. ‫ۆ‬႙޶INL‫ݴ‬ք(314‫ڇ‬࿋) 8000 1.75 1.50 7029 7039 7000 1.25 6000 1.00 COUNTS 5000 0.50 0.25 4000 0 3000 –0.25 2000 1297 –0.50 986 1000 –0.75 –1.00 0 0 16384 32768 CODE 49152 65536 0 0 17 25 0 0 7FFD 7FFE 7FFF 8000 8001 8002 8003 8004 8005 8005 CODE IN HEXA TPC 2. ྲ‫ݥݴ‬၍Ⴀᇑஓ‫࠲ڦ‬ဣ TPC 5. ᅃ߲኱ୁ๼෇‫ڦ‬16,384ْገ࣑‫ڦ‬኱‫(཮ݛ‬ஓገ࣑) 10000 60 9503 9000 50 8000 7000 40 COUNTS NUMBER OF UNITS DNL – LSB 0.75 30 20 6000 5000 4000 3296 3344 3000 2000 10 1000 0 0 0 2 132 106 1 0 0 0 0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 7FFC 7FFD 7FFE 7FFF 8000 8001 8002 8003 8004 8005 8006 3.0 CODE IN HEXA POSITIVE INL – LSB TPC 3. ‫ۆ‬႙ኟINL‫ݴ‬ք(314‫ڇ‬࿋) TPC 6. ᅃ߲኱ୁ๼෇‫ڦ‬16,384ْገ࣑‫ڦ‬኱‫(཮ݛ‬ஓዐ႐) Rev. B | Page 9 of 24 AD7671 0 –40 93 –60 –100 –80 –100 THD – dB THD SNR – dB AMPLITUDE – dB of Full Scale –20 –98 96 FS = 1MSPS fIN = 45.5322kHz SNR = 89.45dB THD = –100.05dB SFDR = 100.49dB SINAD = 89.1dB 90 SNR –120 –102 87 –140 –160 0 100 200 300 FREQUENCY – kHz 400 84 –55 500 16.0 15.5 45 65 85 105 –104 125 110 SNR SINAD 14.5 85 ENOB 80 14.0 ENOB – Bits 15.0 90 100 –75 95 –80 90 –85 85 –90 THD –100 13.0 1000 100 FREQUENCY – kHz 75 70 65 THIRD HARMONIC –110 70 80 SECOND HARMONIC –95 –105 13.5 75 105 SFDR –70 THD, HARMONICS – dB 95 SNR AND S/[N+D] – dB 25 –60 –65 –115 1 10 60 1000 100 FREQUENCY – kHz TPC 8. ႑ሯԲĂ႑భԲࢅᆶၳ࿋ຕᇑೕ୲‫࠲ڦ‬ဣ TPC 11. ጺၿհ฿ኈĂၿհࢅ࿮ሗො‫ۯ‬ༀ‫ྷݔ‬ᇑೕ୲‫࠲ڦ‬ဣ –60 92 –70 –80 THD, HARMONICS – dB SNR (REFERRED TO FULL SCALE) – dB 5 TPC 10. ႑ሯԲĂጺၿհ฿ኈᇑ࿒‫࠲ڦ܈‬ဣ 100 10 –15 TEMPERATURE – C TPC 7. FFT཮ 1 –35 90 88 –90 –100 SECOND HARMONIC –110 THD –120 –130 THIRD HARMONIC –140 86 –80 –70 –60 –50 –40 –30 INPUT LEVEL – dB SFDR – dB –180 –20 –10 0 –150 –60 –50 –40 –30 –20 –10 INPUT LEVEL – dB TPC 12. ጺၿհ฿ኈĂၿհᇑ๼෇‫ۉ‬ೝ‫࠲ڦ‬ဣ TPC 9. ႑ሯԲᇑ๼෇‫ۉ‬ೝ‫࠲ڦ‬ဣ Rev. B | Page 10 of 24 0 AD7671 50 POWER-DOWN OPERATING CURRENTS – nA 1000 t12 DELAY – ns 40 30 20 10 900 800 700 DVDD 600 500 400 300 50 100 150 AVDD 100 0 –55 0 0 OVDD 200 200 –35 –15 5 25 45 TEMPERATURE – C CL – pF TPC 13. ‫ۆ‬႙ჽ‫้׿‬क़ᇑ޶ሜ‫ۉ‬ඹCL ‫࠲ڦ‬ဣ 85 105 TPC 15. ู‫߾ۉ‬ፕ‫ୁۉ‬ᇑ࿒‫࠲ڦ܈‬ဣ 100000 10 AVDD, WARP/NORMAL 8 10000 6 DVDD, WARP/NORMAL 1000 4 100 –FS OFFSET 2 LSB OPERATING CURRENTS – A 65 AVDD, IMPULSE 10 0 +FS –2 0 DVDD, IMPULSE –4 0.1 –6 OVDD, ALL MODES 0.01 –8 –10 0.001 1 10 100 1000 10000 100000 1000000 –55 –35 –15 5 25 45 65 85 105 125 TEMPERATURE – C SAMPLING RATE – SPS TPC 14. ߾ፕ‫ୁۉ‬ᇑ֑ᄣ໏୲‫࠲ڦ‬ဣ TPC 16. +FSĂ฿ۙࢅ–FSᇑ࿒‫࠲ڦ܈‬ဣ ‫ۉ‬ୟ႑တ AD7671๟ᅃ੼੺໏Ă‫ࡼࠀگ‬Ă‫ۉڇ‬ᇸĂ৛௢16࿋ఇຕገ࣑ ഗ(ADC)Lj༵ࠃ‫ܠ‬ዖ߾ፕఇ๕LjᅜՍߵ਍ᆌᆩᆫࣅႠీă ሞWarpఇ๕ူLjAD7671௅௱ీࠕገ࣑1,000,000߲ᄣԨ(1 MSPS)ă AD7671ྺᆩࢽ༵ࠃೌా֑ᄣԍ‫׼‬Ăደْ԰ৎ႙ADCLjு ᆶඪࢆୁ຤၍ჽ‫׿‬Ljਾ‫ܠ׬‬ୟްᆩ‫ܠ‬ཚ‫ڢ‬ᆌᆩ‫ڦ‬૙ၙኮ ჋ă ໲੗ᅜ߾ፕሞມटႠࢅ‫ڇ‬टႠଇዖ๼෇‫ྷݔ‬Ljਏ༹ཚࡗ߀ Վഄ๼෇‫ۉ‬ፆۨՔഗ‫૶ڦ‬থ৊ႜ჋ስă AD7671੗ᅜ֑ᆩ5 V‫ۉڇ‬ᇸࠃ‫ۉ‬Ljժ൐੗ᅜᇑ5 Vई3 Vຕጴ இडথ੨ă໲֑ᆩ48ᆅগLQFP‫ހ‬ጎई48ᆅগLFCSP‫ހ‬ጎLj বู੣क़LjದዃଳऄLj੗༵ࠃ‫ز‬ႜईժႜথ੨ăAD7671๟ AD7665ࢅAD7664‫ڦ‬ᆅগग़ඹืपׂ೗ă Rev. B | Page 11 of 24 AD7671 IND INC 4R 4R REF REFGND 2R MSB LSB INB 32,768C 16,384C INA 4C 2C C SWA SWITCHES CONTROL C R BUSY COMP INGND CONTROL LOGIC OUTPUT CODE 65,536C SWB CNVST ཮3. ADCᇱ૙๖ᅪ཮ ገ࣑ഗ֡ፕ ߾ፕఇ๕ AD7671๟ᅃ੼एᇀ‫ࢁۉ‬ዘ‫ݴ‬ದDAC‫ڦ‬ደْ԰ৎ႙ఇຕገ ࣑ഗă཮3၂๖କ޿ADC‫ڦ‬ᇱ૙๖ᅪ཮ă๼෇ఇె႑ࡽ๯ ံᆯాև๼෇‫ۉ‬ፆۨՔഗ໫ၭժ৊ႜ‫ۉ‬ೝገ࣑Lj޿ۨՔഗ ኧ‫ڇ׼‬टႠ‫(ྷݔ‬0 V዁2.5 VĂ0 V዁5 VĂ0 V዁10 V)ࢅມट Ⴀ‫(ྷݔ‬±2.5 Vñ5 Vñ10 V)ă‫ۉ‬ፆۨՔഗ‫ڦ‬๼‫ۉ؜‬უ‫ݔ‬ ྷ๔ዕྺ0 V዁2.5 VăඹႠDACᆯ16߲ܾ৊዆े඄‫ۉ‬ඹፇ ‫ڦׯ‬ᅃ߲ንଚࢅ1߲޹े“LSB”‫ۉ‬ඹፇ‫ׯ‬ăԲডഗ‫޶ڦ‬๼෇ ૶থ‫ڟ‬ᅃ߲ඹኵᇑ޿ඹႠDACንଚ၎ཞ‫“ڦ‬Dummy”‫ۉ‬ඹă AD7671ᆶෙዖ߾ፕఇ๕ǖWarpĂኟ‫ࢅ׉‬ஞ؋ă߳ఇ๕ᆶ ߳ఇ๕໯๢ࢇ‫ڦ‬ᆌᆩă ‫֑ړ‬ण঩܎ྜ‫ׯ‬൐CNVST๼෇Վྺई‫ت‬ᇀ‫ۉگ‬ೝ้Lj৽ࣷ ഔ‫ۯ‬ገ࣑঩܎ă‫ړ‬ገ࣑঩܎ਸ๔้LjSW A ࢅSW B ๯ံ܏ ਸă඗ࢫLj‫ۉ‬ඹንଚࢅ“Dummy”‫ۉ‬ඹٗ๼෇‫܏܋‬ਸLj૶থ ‫ڟ‬REFGND๼෇ăᅺُLj֑ण঩܎঳ຐ้վጛ‫ۉڦڟ‬ፆۨ Քഗ๼‫؜‬ᇑINGNDኮक़‫ۉݴֶڦ‬უแेᇀԲডഗ๼෇‫܋‬Lj ‫ڞ‬ዂԲডഗՎ‫ڥ‬փೝ࢚ă ሞREFGNDईREFኮक़ൎ࣑‫ۉ‬ඹንଚ‫߳ڦ‬ᇮॲLjԲডഗ๼ ෇ॽӀቷܾ৊዆े඄‫ۉ‬უօ৊(VREF/2ĂVREF/4 . . . VREF/65,536) Վࣅă੦዆இडൎ࣑ኄၵਸ࠲Lj๯ံٗMSBਸ๔LjᅜՍ๑ Բডഗዘႎ࣮‫ڟ‬ೝ࢚ጒༀăྜ‫ࢫײࡗُׯ‬Lj੦዆இडׂิ ADC๼‫؜‬ஓLjժॽBUSY๼‫؜‬ยྺ‫ۉگ‬ೝă ሞገ࣑क़้߰क़ுᆶඪࢆ၌዆‫ڦ‬൧઄ူLjኟ‫׉‬ఇ๕๟ፌ੺ ఇ๕(800 kSPS)ăኄዖఇ๕༬՚๢ࢇཞ้ᄲ൱ߛ৛‫੺ࢅ܈‬໏ ֑ᄣ୲‫ڦ‬ᅴօᆌᆩLjසຕ਍֑णဣཥ‫ڪ‬ă ஞ؋ఇ๕๟ࠀࡼፌ‫ڦگ‬ᅃዖ߾ፕఇ๕Ljഗॲ੗ሞଇْገ࣑ क़ ဤ ৊ ෇ ู ‫ ۉ‬ጒ ༀ ă ኄ ዖ ఇ ๕ ူ ‫ ڦ‬ፌ ߛ ཾ ུ ଉ ྺ 666 kSPSă‫߾ړ‬ፕሞ100 SPS้Ljഄ‫ۆ‬႙ࠀࡼৈ15μWăኄዖఇ๕ ༬՚๢ࢇ‫ڦۉࠃ׾ۉ‬ᆌᆩă ‫ࡧڿد‬ຕ AD7671༵ࠃଇዖ๼‫؜‬Պஓ‫ݛ‬๕ǖՔጚܾ৊዆ࢅܾ৊዆ց ஓLjਏ༹ཚࡗOB/2Cຕጴ๼෇৊ႜ჋ስăഄ૙ၙ‫ڿد‬༬Ⴀ ස཮4ࢅ՗III໯๖ă ADC CODE – Straight Binary ሞ֑ण঩܎LjᇑԲডഗኟ๼෇၎૶‫޿ڦ‬ንଚࠌᆩ‫܋‬ཚࡗ SWA૶থ‫ڟ‬AGNDă໯ᆶ‫܀‬૬ਸ࠲‫૶ۼ‬থ‫ۉڟ‬ፆۨՔഗ‫ڦ‬ ๼‫܋؜‬ăᅺُLj‫ۉ‬ඹንଚᆩፕᅃ߲֑ᄣ‫ۉ‬ඹᅜ֑णఇె႑ ࡽăཞᄣLj“Dummy”‫ۉ‬ඹ֑णINGND๼෇ฉ‫ڦ‬ఇె႑ ࡽă Warpఇ๕ኧ‫ٳߛ׼‬1 MSPS‫ڦ‬ፌ੺ገ࣑໏୲ă඗ܸLjሞኄዖ ఇ๕ူ(൐ኻᆶኄዖఇ๕)Ljኻᆶ‫ړ‬ገ࣑क़้߰क़փ‫ࡗג‬1 ms้Lj֍ీԍኤ‫ۨܮ‬ፌߛ৛‫܈‬ăසࡕଇْ૶Ⴤገ࣑‫ڦ‬क़߰ ้क़‫׊‬ᇀ1 msLj૩සሞฉ‫ࢫۉ‬Ljሶᆌࢮ୼‫ڼ‬ᅃ߲ገ࣑঳ࡕă ኄዖఇ๕༬՚๢ࢇཞ้ᄲ൱ߛ৛‫੺ࢅ܈‬໏֑ᄣ୲‫ڦ‬ᆌᆩă 111...111 111...110 111...101 000...010 000...001 000...000 –FS –FS + 1 LSB –FS + 0.5 LSB +FS – 1 LSB +FS – 1.5 LSB ANALOG INPUT ཮4. ADC૙ၙ‫ࡧڿد‬ຕ Rev. B | Page 12 of 24 AD7671 ՗III. ๼‫؜‬ஓࢅ૙ၙ๼෇‫ۉ‬უ ௮ຎ ຕጴ๼‫؜‬ஓ (ๆୃ৊዆) Քጚ ܾ৊዆ ܾ৊዆ցஓ ఇె๼෇ ஢ଉ‫ྷݔײ‬1 ፌ‫گ‬ᆶၳ࿋(LSB) FSR – 1 LSB ዐक़‫ۉ‬ೝ + 1 LSB ዐक़‫ۉ‬ೝ ዐक़‫ۉ‬ೝ – 1 LSB –FSR + 1 LSB –FSR ± 10 V 305.2μV 9.999695 V 305.2μV 0V –305.2μV –9.999695 V –10 V ±5V 152.6μV 4.999847 V 152.6μV 0V –152.6μV –4.999847 V –5 V ± 2.5 V 76.3μV 2.499924 V 76.3μV 0V –76.3μV –2.499924 V –2.5 V 0 V዁10 V 152.6μV 9.999847 V 5.000153 V 5V 4.999847 V 152.6μV 0V 0 V዁5 V 76.3μV 4.999924 V 2.570076 V 2.5 V 2.499924 V 76.3μV 0V 0 V዁5 V 76.3μV 4.999924 V 2.570076 V 2.5 V 2.499924 V 76.3μV 0V FFFF2 8001 8000 7FFF 0001 00003 7FFF2 0001 0000 FFFF 8001 80003 ጀ๥ 1 REF = 2.5 VăREF = 3 V้Lj໯ᆶኵ၍Ⴀ‫ٷݣ‬ă 2 ኄᄺ๟‫ג‬ଉ‫ײ‬ఇె๼෇‫ܔ‬ᆌ‫ڦ‬ஓă 3 ኄᄺ๟വଉ‫ײ‬ఇె๼෇‫ܔ‬ᆌ‫ڦ‬ஓă ‫ۆ‬႙૶থ཮ ཮5ߴ‫؜‬କAD7671‫ۆڦ‬႙૶থ཮ăԨ཮໯๖‫ڦ‬փཞ‫ۉ‬ୟ๟੗჋‫ڦ‬Ljၘ൧९ူ࿔໯ຎă DVDD 20 ANALOG SUPPLY (5V) NOTE 7 + 10 F ADR421 100nF AVDD AGND + 10 F 100nF 100nF DGND DVDD OVDD DIGITAL SUPPLY (3.3V OR 5V) + 10 F OGND SERIAL PORT REF 2.5V REF NOTE 1 1M + 50k 100nF SCLK CREF NOTE 2 SDOUT REFGND NOTE 3 BUSY 50 INA U2 + + 10 F 100nF AD7671 AD8031 C/ P/DSP D CNVST NOTE 8 OB/2C NOTE 4 SER/PAR 50 DVDD WARP CLOCK 15 ANALOG INPUT ( 10V) IMPULSE NOTE 5 U1 + 2.7nF CS AD8021 NOTE 6 RD IND CC BYTESWAP INGND RESET INB PD INC NOTES 1. SEE VOLTAGE REFERENCE INPUT SECTION. 2. WITH THE RECOMMENDED VOLTAGE REFERENCES, CREFIS 47 F. SEE VOLTAGE REFERENCE INPUT SECTION. 3. OPTIONAL CIRCUITRY FOR HARDWARE GAIN CALIBRATION. 4. FOR BIPOLAR RANGE ONLY. SEE SCALER REFERENCE INPUT SECTION. 5. THE AD8021 IS RECOMMENDED. SEE DRIVER AMPLIFIER CHOICE SECTION. 6. WITH 0V TO 2.5V RANGE ONLY. SEE ANALOG INPUTS SECTION. 7. OPTION. SEE POWER SUPPLY SECTION. 8. OPTIONAL LOW JITTER CNVST. SEE CONVERSION CONTROL SECTION. ཮5. ‫ۆ‬႙૶থ཮(±10 V‫)ྷݔ‬ Rev. B | Page 13 of 24 AD7671 ఇె๼෇ 75 ཮6ߴ‫؜‬କAD7671‫ڦ‬ఇె๼෇և‫ݴ‬๖ᅪ཮ă 70 65 CMRR – dB AD7671੗ᅜ߾ፕሞ6ዖ஢ଉ‫ײ‬ఇె๼෇‫ྷݔ‬ă຺߲ఇె๼ ෇INDĂINCĂINBࢅINA߳ጲ໯Ⴔ‫૶ڦ‬থᅜत၎ᆌ‫ڦ‬஢ଉ ‫ྷݔײ‬ස՗I໯๖ă՗Iཞ้၂๖କ߳ఇె๼෇‫ۆڦྷݔ‬႙ ๼෇ፆੇă 60 55 50 ૶থ‫຺߲ڟ‬ఇె๼෇‫ۉ຺߲ڦ‬ፆࠓ‫ׯ‬ᅃ߲‫ۉ‬ፆۨՔഗLj໲ ॽఇె๼෇‫ྷݔ‬໫ၭժገ࣑‫ڟ‬ਸ࠲‫ۉ‬ඹADC๼෇‫ࠌڦ܋‬ᆩ ๼෇‫ྷݔ‬0 V዁2.5 Vă 45 40 35 AVDD 1 10 100 FREQUENCY – kHz 1000 10000 4R ཮7. ఇె๼෇CMRRᇑೕ୲‫࠲ڦ‬ဣ IND 4R INC ‫أ‬๑ᆩ0 V዁2.5 Vఇె๼෇‫ۉ‬უ‫ྷݔ‬ኮྔLjഄ໲൧઄ူՂႷ ᆩፆੇ‫ڦگ׉ݥ‬႑ࡽᇸൻ‫ۯ‬AD7671Ljᅜ௨ׂิሺᅮဃֶă ኄ੗ᅜ૧ᆩᅃ߲ൻ‫ٷݣۯ‬ഗํ၄LjAD7671ᅜፆႠྺዷ‫ڦ‬ఇ ె๼෇‫ۉ‬ୟ੗०ࣅൻ‫ٷݣۯ‬ഗ‫ڦ‬჋ስă R1 R INA CS R = 1.28k AGND ཮6. ఇె๼෇๖ᅪ཮ ॽ຺߲๼෇INAĂINBĂINCࢅIND૶থ‫ڟ‬๼෇႑ࡽԨวĂ ‫ں‬ई2.5 VएጚᇸLj੗ᅜइ‫ڥ‬ഄ໲ఇె๼෇‫ྷݔ‬ă ཮6ዐ໯๖‫ܾڦ‬ट࠶ྺ຺߲ఇె๼෇༵ࠃESDԍࢺă๼෇ INBĂINCࢅINDਏᆶߛუԍࢺࠀీ(–11 V዁+30 V)Ljኧ‫ݥ׼‬ ‫ڦ੻׉‬๼෇‫ۉ‬უ‫ྷݔ‬ăൎऻLjఇె๼෇႑ࡽਦփీ‫ࡗג‬ኄ ၵ๼෇‫ڦ‬ਨ‫ۨܮܔ‬ኵLjԈઔINA (0 V to 5 V)Lj‫ޏ‬ሶࣷሰ‫ׯ‬ ኄၵܾट࠶ኟೋLjժਸ๔‫ୁۉڞد‬ăኄၵܾट࠶੗ᅜ‫ت‬૙ ፌߛ120 mA‫ڦ‬ኟೋ‫ୁۉ‬ă૩සLj‫ړ‬๑ᆩ0 V዁2.5 V๼෇‫ݔ‬ ྷ้Ljසࡕ๼෇࣐؋ഗ(U1)‫ۉڦ‬ᇸᇑAVDDփཞLjሶኄၵ ཉॲፌዕ੗ీࣷ‫؜‬၄ሞ๼෇INAฉăኄዖ൧઄ူLj੗ᅜ૧ ᆩਏᆶ‫܌‬ୟ‫ୁۉ‬၌዆‫ڦ‬๼෇࣐؋ഗԍࢺഗॲă ޿ఇె๼෇঳ࠓኧ‫ۉܔ׼‬ፆۨՔഗ๼‫؜‬ᇑINGNDኮक़‫ֶڦ‬ ‫ݴ‬႑ࡽ৊ႜ֑ᄣăᇑഄ໲ገ࣑ഗփཞLjINGND๼෇‫֑ڦ‬ᄣ ᇑኄၵ๼෇‫֑ڦ‬ᄣཞ้৊ႜă૧ᆩֶُ‫ݴ‬๼෇੗ᅜᅞ዆ଇ ߲๼෇ࠌᆶ‫ڦ‬ၭ႑ࡽLjස཮7໯๖Lj໲၂๖କ‫ۆ‬႙ࠌఇᅞ ዆Բ(CMRR)ᇑೕ୲‫࠲ڦ‬ဣă૩සLjසࡕ૧ᆩINGNDॠ֪ ᇺ‫ײ‬႑ࡽ‫ں‬Ljሶ‫ߌد‬ഗᇑԨ‫ں‬ADC‫ں‬ኮक़‫ۉںڦ‬࿋ֶॽԥ ၩ‫أ‬ăሞ঍ୁ႑ࡽ‫֑ڦ‬ण঩܎LjAD7671՗၄‫ڥ‬ၟᅃ߲‫ڇ‬ट ‫ۅ‬RC୳հഗLj໲ᆯ‫ۉ‬ፆۨՔഗR/2ᇑR1‫૴زڦ‬ᆶၳ‫ۉ‬ፆࢅ CSፇ‫ׯ‬ă‫ۉ‬ፆR1‫ۆ‬႙ኵྺ100 ΩLj๟ᅃ߲ᆯᅃၵ‫ۉ૴ز‬ፆࢅ ਸ࠲‫ڞڦ‬ཚ‫ۉ‬ፆፇ‫ڦׯ‬णጺᇮॲă ‫ړ‬๑ᆩ0 V዁2.5 Vఇె๼෇‫ۉ‬უ‫้ྷݔ‬LjAD7671‫ڦ‬๼෇ፆੇ ‫ߛ׉ݥ‬Ljᅺُ੗ᅜ኱থᆩ‫گ‬ፆੇᇸൻ‫ۯ‬AD7671ܸփׂࣷิ ሺᅮဃֶăኄᄣ৽੗ᅜሞ‫ٷݣ‬ഗ๼‫܋؜‬ᇑADCఇె๼෇‫܋‬ ኮक़‫ݣ‬ዃᅃ߲ྔև‫ڇ‬ट‫ۅ‬RC୳հഗLjස཮5໯๖Ljᅜ৊ᅃ օ༵ߛAD7671ఇె๼෇‫ۉ‬ୟ‫ڦ‬ሯำ୳հႠీăփࡗLj႑ࡽ ᇸՂႷԍ‫گ׼‬ፆੇLjᅺྺ໲ࣷᆖၚ঍ୁႠీLj༬՚๟ጺၿ հ฿ኈ(THD)༬Ⴀăፌ‫ڦٷ‬ᇸፆੇൽਦᇀ੗ඹႹ‫ڦ‬ጺၿհ ฿ኈăTHDႠీူই‫܈ײ‬๟ᇸፆੇࢅፌ‫ٷ‬๼෇ೕ୲‫ࡧڦ‬ ຕLjස཮8໯๖ă –70 –80 THD – dB 2R INB ‫ۉ‬ඹCS‫ۆ‬႙ኵྺ60 pFLjዷᄲԈઔADC֑ᄣ‫ۉ‬ඹăُ‫ڇ‬ट‫ۅ‬ ୳հഗ‫ۆڦ‬႙–3 dBপኹೕ୲ྺ9.6 MHzLj੗ᅜই‫گ‬փଆं۠ ᆖၚժ၌዆ઠጲ๼෇‫ڦ‬ሯำă Rev. B | Page 14 of 24 R = 100 R = 50 –90 R = 11 –100 –110 0 100 FREQUENCY – kHz ཮8. THDᇑఇె๼෇ೕ୲ࢅ๼෇‫ۉ‬ፆ‫࠲ڦ‬ဣ (ৈ0 V዁2.5 V‫)ྷݔ‬ 1000 AD7671 ൻ‫ٷݣۯ‬ഗ჋ስ एጚ‫ۉ‬უ๼෇ ໚඗AD7671࢔ඹᅟൻ‫ۯ‬Lj‫ڍ‬ൻ‫ٷݣۯ‬ഗ዁ณᆌ஢ፁူଚᄲ ൱ǖ AD7671๑ᆩ2.5 Vྔևएጚ‫ۉ‬უᇸă t t ‫ܔ‬ᇀ஢ଉ‫ײ‬঩ሂLjൻ‫ٷݣۯ‬ഗࢅAD7671ఇె๼෇‫ۉ‬ୟ ᅃഐՂႷీࠕ๑‫ۉ‬ඹንଚॺ૬ሞ16࿋຤ೝ(0.0015%)ă ሞ‫ٷݣ‬ഗ‫ڦ‬ຕ਍๮֩ዐLj߸‫׉‬९‫ڦ‬๟ࡀۨ0.1%዁0.01% ‫ॺڦ‬૬้क़ăኄ੗ీᇑ16࿋຤ೝ‫ॺڦ‬૬้क़၂ዸփ ཞLjᅺُ჋ስኮമᆌ৊ႜᄓኤăၭ႙ሏ໙‫ٷݣ‬ഗ AD8021ਏᆶ‫گג‬ሯำ༬Ⴀࢅߛሺᅮ‫੻ټ‬Ljन๑ሺᅮߛ ‫ٳ‬13Lj໲ᄺీ‫ڟٳ‬ኄᅃॺ૬้क़ᄲ൱ă ൻ‫ٷݣۯ‬ഗ໯ׂิ‫ڦ‬ሯำႴ৑੗ీ‫گ‬LjᅜՍԍ‫׼‬ AD7671‫ڦ‬SNRࢅገ࣑ሯำႠీăઠጲൻ‫ۯ‬ഗ‫ڦ‬ሯำ๯ ံᆯ‫ۉ‬ፆۨՔഗߵ਍໯ᆩ‫ڦ‬ఇె๼෇‫ۉ‬უ‫ྷݔ‬৊ႜ໫ ၭLj඗ࢫཚࡗᆯ(R/2 + R1)ࢅCSࠓ‫ڦׯ‬AD7671‫ڦ‬ఇె๼ ෇‫ۉ‬ୟ‫ڇ‬ट‫گۅ‬ཚ୳հഗ৊ႜ୳հă‫ٷݣ‬ഗᆅഐ‫ڦ‬ SNRႠీူই੗՗๖ྺ SNRLOSS ! ! § · ¨ ¸ ¨ ¸ 28 20 LOG ¨ ¸ 2 ¨ S § 2.5 NeN · ¸  784 f ¸ ¸ ¨ 3 dB ¨ 2 © FSR ¹ ¹ © ഄዐǖ f–3 dB ྺAD7671‫–ڦ‬3 dB๼෇‫(੻ټ‬9.6 MHz)Ljईኁ๟๼ ෇୳հഗ(සᆶ)‫ڦ‬পኹೕ୲(0 V዁2.5 V‫)ྷݔ‬ă N ྺ‫ٷݣ‬ഗ‫ڦ‬ሯำဣຕ(࣐؋ഗದዃ้ྺ1)ă eN ྺሏ໙‫ٷݣ‬ഗ‫ڪڦ‬ၳ๼෇ሯำ‫ۉ‬უLj‫ڇ‬࿋ nV/ Hz ă FSR ྺ஢ଉ‫(܈ੵײ‬±2.5 V‫ྺྷݔ‬5 V)ă ! ૩සLj्ย๑ᆩ0 V዁5 V‫ྷݔ‬Ljൻ‫ۯ‬ഗ๑ᆩAD8021Lj ഄ‫ڪ‬ၳ๼෇ሯำྺ2 nV/ Hz Ljժ൐ॽ໲ದዃྺ࣐؋ഗLj ᅺܸሯำሺᅮྺ1LjሶSNRႠీৈူই0.08 dBă t ൻ‫ۯ‬ഗ‫ڦ‬THDႠీՂႷ๢ࢇAD7671ăTPC 11ߴ‫؜‬କTHD ᇑೕ୲‫࠲ڦ‬ဣLjൻ‫ۯ‬ഗፌࡻᆌ‫޿ࡗג‬Ⴀీă AD8021‫ࢇޙ‬ኄၵᄲ൱Ljबࢭ๢ࢇ໯ᆶᆌᆩăAD8021Ⴔᄲ ᅃ߲10 pF‫ྔڦ‬ևց‫ۉ׋‬ඹăُ‫ۉ‬ඹᆌਏᆶૌຼNPO༩ٍई ሊజ႙‫ۉ‬ඹ‫ڦ‬ଆࡻ၍Ⴀ‫܈‬ă ‫ړ‬Ⴔᄲມཚ‫ٷݣڢ‬ഗ൐๑ᆩሺᅮ1้Lj੗ᅜ๑ᆩAD8022ă සࡕփᄲ൱ߛೕ(100 kHzᅜฉ)ႠీLjᄺ੗ᅜ჋ስAD829ăሺ ᅮྺ1้Lj໲Ⴔᄲᅃ߲82 pF‫ڦ‬ց‫ۉ׋‬ඹă ሞ‫گ‬ೕᆌᆩዐႴᄲ‫گ‬ೋዃ‫้ୁۉ‬Lj੗ᅜ੊୯AD8610ă AD7671‫ڦ‬एጚ‫ۉ‬უ๼෇REFᆅগਏᆶ‫ۯ‬ༀ๼෇ፆੇLjᅺُ ᆌ૧ᆩ‫گ‬ፆੇᇸൻ‫޿ۯ‬ᆅগLjREFᇑREFGNDᆅগኮक़ᆌ ᆶၳඁ᳘ăُඁ᳘ൽਦᇀ჋ስࢆዖएጚ‫ۉ‬უᇸLj‫ڍ‬ཚ‫׉‬Ԉ ઔᅃ߲1μF༩ٍ‫ۉ‬ඹࢅᅃ߲૶থ‫ڟ‬REFᇑREFGNDĂਏᆶፌ ၭसิ‫گڦߌۉ‬ESR᮳‫ۉ‬ඹă‫ړ‬ದࢇူଚླྀ४‫ڦ‬एጚ‫ۉ‬უ ᇸ๑ᆩ้Lj47 μF᮳‫ۉ‬ඹ๟ࢇ๢‫ڦ‬ǖ t ‫گ‬ሯำĂ‫گ‬࿒೏एጚ‫ۉ‬უᇸADR421ࢅAD780 t ‫ࡼࠀگ‬एጚ‫ۉ‬უᇸADR291 t ‫ׯگ‬Ԩएጚ‫ۉ‬უᇸAD1582 ‫ܔ‬ᇀ๑ᆩ‫߲ܠ‬AD7671‫ڦ‬ᆌᆩLjᆩᅃ߲‫گ‬ሯำĂ‫׉ݥ‬࿘ۨ‫ڦ‬ ሏ໙‫ٷݣ‬ഗ࣐؋एጚ‫ۉ‬უࣷ߸ᆶၳLj૩සAD8031ă ᆌ༬՚ጀᅪएጚ‫ۉ‬უᇸ‫੊֖ڦ‬࿒‫܈‬ဣຕLjُ֖ຕසࡕᆶ࿚ ༶Ljॽ኱থᆖၚ‫ڟ‬஢ଉ‫ײ‬৛‫܈‬ă૩සLjएጚ‫ۉ‬უᇸ±15 ppm/°C‫ڦ‬࿒‫܈‬ဣຕॽ๑஢ଉ‫ײ‬ᅜ±1 LSB/°C‫߀܈ޗڦ‬Վă ൩ጀᅪLjኟසरຍࡀ߭՗ዐ໯ຎLjVREF੗ᅜ༵ߛ‫ڟ‬AVDD – 1.85 VLjኄᄣፔ‫تࡻڦ‬๟੗ᅜ༵ߛSNRႠీă๼෇‫ྷݔ‬๟ߵ ਍V REF৊ႜۨᅭLjᅺُLj‫ړ‬AVDDߛᇀ4.85 V้Lj±REF‫ݔ‬ ྷ੗ᅜٗ±2.5 V༵ߛ‫ڟ‬±3 V‫ڪڪ‬ă૙ஃฉLjएጚ‫ۉ‬უ‫ڦ‬ኄዖ ༵ߛ੗ᅜ๑SNR༵ߛ1.58 dB (20 log [3/2.5])ăփࡗLjᆯᇀ૙ ஃଉࣅሯำ‫ڦ‬ᆖၚLjํा࠵ִ‫ڦڟ‬Ⴀీ߀฀ሀྺ1 dBăAD780 ੗ᅜ༵ࠃ3 Vएጚ‫ۉ‬უ჋ၜă ۨՔഗएጚ๼෇(ມटႠ๼෇‫)ྷݔ‬ ‫ړ‬AD7671߾ፕሞມटႠ๼෇‫้ྷݔ‬Lj཮5ዐ‫૶ڦ‬থ཮၂๖ କᅃ߲एጚ‫ۉ‬უ࣐؋‫ٷݣ‬ഗăُ࣐؋‫ٷݣ‬ഗՂփ੗ณLjᆩ ᇀॽREFᆅগᇑInxᆅগዐ‫ڦ‬႑ࡽ၎࠲‫߰ୁۉ‬૗ă੗ᅜ๑ᆩ AD8031‫ߛڪ‬໏ሏ໙‫ٷݣ‬ഗLj໲߾ፕሞ5 V‫ۉڇ‬ᇸူLjփࣷই ‫گ‬AD7671‫ڦ‬Ⴀీă޿࣐؋ഗՂႷਏᆶଆࡻ‫ॺڦ‬૬༬ႠLjሞ AD7671๼෇‫ڦా੻ټ‬ጺሯำՂႷ‫گ׉ݥ‬ă ‫ۉ‬ᇸ AD7671๑ᆩෙፇ‫ۉ‬ᇸᆅগǖఇె5 V‫ۉ‬ᇸAVDDĂຕጴ5 V ా ࢃ ‫ ۉ‬ᇸ DVDDᅜ त ຕ ጴ ๼ ෇ /๼ ‫ ؜‬থ ੨ ‫ ۉ‬ᇸ OVDDă OVDD‫ۉ‬ᇸ੗ᅜᇑ߾ፕሞ2.7 V዁DVDD + 0.3 V‫ڦྷݔ‬ඪࢆ இड኱থথ੨ăྺକ३ณ໯Ⴔ‫ۉ‬ᇸ‫ڦ‬ຕଉLjຕጴాࢃ (DVDD)੗ᅜཚࡗᅃ߲०‫ڦڇ‬RC୳հഗٗఇె‫ۉ‬ᇸࠃ‫ۉ‬Lj ස཮5໯๖ăኻᄲOVDDփ‫ࡗג‬DVDD 0.3 VᅜฉLjAD7671 ৽ᇑ‫ۉ‬ᇸ้Ⴞ࿮࠲Ljᅺܸփࣷ݀ิ‫ۉ‬ᇸ‫ۉ‬უ‫ڞ‬ዂ‫ڦ‬ឋ໮၄ ၡăُྔLj໲ሞ࢔੻‫ڦ‬ೕ୲‫ۉܔాྷݔ‬ᇸՎࣅ‫׉ݥ‬փ௺ ߌLjස཮9໯๖ă Rev. B | Page 15 of 24 AD7671 ገ࣑੦዆ 75 ཮11ྺገ࣑ࡗ‫ၘڦײ‬ဦ้Ⴞ཮ăAD7671‫ڦ‬ገ࣑ᆯ႑ࡽ CNVSTഔ‫ۯ‬ăᅃ‫ڋ‬ഔ‫ۯ‬Ljሶ࿮݆ዘႎਸ๔ईዐኹLjฯ዁ู ‫ۉ‬๼෇PDᄺ࿮ీྺ૰Ljኻᆶ‫ڟڪ‬ገ࣑ྜ‫ׯ‬ăCNVST႑ࡽ ‫܀‬૬߾ፕLjᇑCSࢅRD႑ࡽ࿮࠲ă 70 PSRR – dB 65 60 55 t2 50 t1 CNVST 45 40 35 10 1 100 1000 BUSY 10000 t4 FREQUENCY – kHz t3 ཮9. PSRRᇑೕ୲‫࠲ڦ‬ဣ MODE ࠀࡼ ሞஞ؋ఇ๕ူLjAD7671ሞ௅߲ገ࣑঩܎঳ຐ้ጲ‫ۯ‬ই‫ࠀگ‬ ࡼăሞ֑ण঩܎Lj߾ፕ‫گ׉ݥୁۉ‬Ljᅺُ‫ړ‬ገ࣑໏୲ই‫گ‬ ้Ljࠀࡼ၂ዸই‫گ‬Ljස཮10໯๖ăኄᅃ༬Ⴀ๑‫ڥ‬AD7671‫ݥ‬ ‫׉‬๢ࢇ‫ڦۉࠃ׾ۉ‬ट‫ࡼࠀگ‬ᆌᆩă ฉຎࠀࡼுᆶ੊୯๼෇‫ۉ‬ፆۨՔഗ‫(ࡼࠀڦ‬සᆶ)Ljࢫኁൽ ਦᇀ໯ᆩ‫ڦ‬๼෇‫ۉ‬უ‫ۉูࢅྷݔ‬ఇ๕ူ‫ڦ‬ఇె๼෇‫ۉ‬უă ‫ړ‬๑ᆩ0 V዁2.5 V‫้ྷݔ‬Ljईኁ‫ړ‬ఇె๼෇‫ۉ‬უྺ0 V൐๑ ᆩ0 V዁5 Vई0 V዁10 V‫ڇڦ‬टႠ‫้ྷݔ‬Lj‫ۉ‬ፆۨՔഗփׂ ิࠀࡼă ᆌ‫ړ‬ጀᅪLjन๑ሞ֑ण঩܎Ljຕጴথ੨ᄺԍ‫׼‬ᆶၳăྺ৊ ᅃօই‫߾گ‬ፕຕጴ‫ۉ‬ᇸ‫ୁۉ‬LjႴᄲॽຕጴ๼෇ൻ‫ۯ‬዁থৎ ࠃ‫(ࡆۉ‬नDVDDࢅDGND)Ljժ൐OVDDփᆌ‫ࡗג‬DVDD 0.3 Vᅜฉă 100000 WARP/NORMAL ACQUIRE CONVERT ACQUIRE t7 ཮11. एԨገ้࣑Ⴞ ሞஞ؋ఇ๕ူLjገ࣑੗ᅜጲ‫ۯ‬ഔ‫ۯ‬ă‫ړ‬BUSYྺ‫ۉگ‬ೝ ้LjසࡕCNVST‫ت‬ᇀ‫ۉگ‬ೝLjሶAD7671੦዆֑ण঩܎Lj ඗ ࢫ ጲ ‫ ۯ‬ഔ ‫ ۯ‬ႎ ‫ ڦ‬ገ ࣑ ă ኻ ᄲ CNVSTԍ ‫ ۉ گ ׼‬ೝ Lj AD7671৽ࣷ‫׼‬Ⴤኴႜገ࣑ࡗ‫ײ‬ăᆌጀᅪLj‫ړ‬BUSYՎྺ‫گ‬ ‫ۉ‬ೝ้Ljఇె๼෇ՂႷྜ‫ॺׯ‬૬ăଷྔሞฉ‫้ۉ‬LjCNVST ᆌՎྺ‫ۉگ‬ೝᅃْLjᅜՍഔ‫ۯ‬ገ࣑ࡗ‫ײ‬ăُఇ๕ူLj AD7671‫֑ڦ‬ᄣ໏୲ᆶ้੗ీฎ੺ᇀ666 kSPS‫ڦ‬ԍኤ၌ኵă Warpईኟ‫׉‬ఇ๕ዐሶփ٪ሞኄᅃ༬Ⴀă ໚඗CNVST๟ᅃ߲ຕጴ႑ࡽLj‫ڍ‬ยऺ้ᆌ༬՚ጀᅪLjᆌ‫ړ‬ ֑ᆩ੺໏Ă߅৫‫ڦ‬Չᄂᅜतࡗ؋/വ؋ईၚଯና‫ږ‬टၭ‫ۉڦ‬ ೝăፌࡻᆩ‫ں‬ೡԸCNVSTጽ၍Ljժሞ੍ৎൻ‫ُۯ‬၍ୟ‫ڦ‬ഗ ॲ‫ڦ‬๼‫ت܋؜‬ሺेᅃ߲‫گ‬ኵ‫ۉ૴ز‬ፆ(ස50 Ω)ă 1000 t9 100 RESET 10 IMPULSE BUSY 1 0.1 1 10 100 CONVERT t8 ኍ‫ܔ‬SNRႠీ዁࠲ዘᄲ‫ڦ‬ᆌᆩLjCNVST႑ࡽ‫ڦ‬۶‫ۯ‬ᆌ‫׉ݥ‬ ‫گ‬ăྺُLj੗ᅜ๑ᆩጆᆩና‫ږ‬ഗઠׂิCNVST႑ࡽLjईኁ ዁ณᆌ૧ᆩߛೕ‫گ‬۶‫้ۯ‬ዓྺഄ้ۨLjස཮5໯๖ă 10000 POWER DISSIPATION – W t6 t5 1000 10000 SAMPLING RATE – SPS 100000 1000000 DATA BUS ཮10. ࠀࡼᇑ֑ᄣ໏୲‫࠲ڦ‬ဣ t8 CNVST ཮12. RESET้Ⴞ Rev. B | Page 16 of 24 AD7671 ຕጴথ੨ CS = 0 AD7671ਏᆶᅃ߲‫ీࠀܠ‬ຕጴথ੨Lj੗ᅜ૧ᆩ‫ز‬ႜईժႜথ ੨ᇑዷऐဣཥথ੨ă‫ز‬ႜথ੨ᇑժႜຕ਍ጺ၍ްᆩăኻႴ ॽAD7671‫ڦ‬OVDD‫ۉ‬ᇸᆅগ૶থ‫ڟ‬ዷऐဣཥথ੨ຕጴ‫ۉ‬ ᇸLjAD7671ຕጴথ੨Ս੗ኧ‫׼‬3 Vई5 VஇडăፌࢫLj૧ᆩ OB/2C๼෇ᆅগ੗ᅜ჋ስՔጚܾ৊዆ईܾ৊዆ցஓՊஓ‫ݛ‬ ๕ă CSࢅRDኄଇ߲႑ࡽ੦዆ຕጴথ੨ăኻᄲഄዐᅃ߲႑ࡽྺ ߛ‫ۉ‬ೝLjথ੨๼‫؜‬Ս‫ت‬ᇀߛፆༀăཚ‫ܸ׉‬ჾLjሞ‫ۉܠ‬ୟᆌ ᆩዐLjCSᆩᇀ჋ስ߳AD7671Ǘሞ‫ڇ‬AD7671ยऺዐLjCSԍ ‫ۉگ׼‬ೝăRDᅃӯᆩᇀ๑ీຕ਍ጺ၍ฉ‫ڦ‬ገ࣑঳ࡕă t1 CNVST t 10 BUSY t4 DATA BUS BUSY t4 t3 PREVIOUS CONVERSION DATA BUS t 12 t 13 ཮15. ‫܁‬ൽ้‫ٗڦ‬ऐժႜຕ਍้Ⴞ(ገ࣑೺क़‫܁‬ൽ) BYTESWAPᆅগ੗ᅜᇑ8࿋ጺ၍࿮‫ފ‬থ੨ăස཮16໯๖Lj ‫ړ‬BYTESWAPྺ‫ۉگ‬ೝ้LjLSBཚࡗD[7:0]๼‫؜‬LjMSBཚࡗ D[15:8]๼‫؜‬ă‫ړ‬BYTESWAPྺߛ‫ۉ‬ೝ้LjLSBጴবᇑMSB ጴব঍࣑LjLSBཚࡗD[15:8]๼‫؜‬LjMSBཚࡗD[7:0]๼‫؜‬ăස ࡕॽBYTESWAP૶থ‫ںڟ‬኷၍Ljሶ16߲ຕ਍࿋੗ᅜ‫ݴ‬2߲ ጴবሞD[15:8]ईD[7:0]ฉ‫܁‬ൽă CS = RD = 0 t3 t1 CNVST, RD t 11 PREVIOUS CONVERSION DATA NEW DATA CS ཮13. ‫܁‬ൽ้‫ڦ‬ዷऐժႜຕ਍้Ⴞ(૶Ⴤ‫܁‬ൽ) RD ժႜথ੨ BYTE ‫ړ‬SER/PAR‫ت‬ᇀ‫ۉگ‬ೝ้LjAD7671๑ᆩժႜথ੨ăຕ਍़ ੗ᅜሞْ߳ገ࣑ኮࢫLjनူᅃ߲֑ण঩܎‫܁‬ൽLjᄺ੗ᅜሞ ူᅃገ࣑೺क़‫܁‬ൽLjኄଇዖ൧઄‫ݴ‬՚ස཮14ࢅ཮15໯๖ă ඗ܸLjසࡕሞገ࣑೺क़‫܁‬ൽຕ਍Ljॺᅱৈሞገ࣑঩܎‫ڦ‬മ ӷ܎‫܁‬ൽăኄ੗ᅜՆ௨ຕጴথ੨ࢅፌ࠲॰‫ڦ‬ఇెገ࣑‫ۉ‬ୟ ฉ‫ۉڦ‬უຨՎኮक़‫؜‬၄ઍཚă PINS D[15:8] HI-Z HIGH BYTE t12 t12 PINS D[7:0] HI-Z LOW BYTE LOW BYTE HIGH BYTE HI-Z t13 HI-Z ཮16. 8࿋ժႜথ੨ ‫ز‬ႜথ੨ ‫ ړ‬SER/PAR‫ ت‬ᇀ ߛ ‫ ۉ‬ೝ ้ Lj AD7671๑ ᆩ ‫ ز‬ႜ থ ੨ ă AD7671ᅜMSBᆫံ‫ݛ‬๕ሞSDOUTᆅগฉ๼‫؜‬16࿋ຕ਍ă ُຕ਍ᇑSCLKᆅগฉ༵ࠃ‫ڦ‬16้߲ዓஞ؋ཞօă๼‫؜‬ຕ਍ ሞຕ਍้ዓ‫ڦ‬ฉืᄂࢅူইᄂ਩ᆶၳă CS RD ٗऐ‫ز‬ႜথ੨ BUSY CURRENT CONVERSION DATA BUS t 12 t 13 ཮14. ‫܁‬ൽ้‫ٗڦ‬ऐժႜຕ਍้Ⴞ(ገ࣑ኮࢫ‫܁‬ൽ) ྔև้ዓ ‫ړ‬EXT/INTᆅগ‫ت‬ᇀߛ‫ۉ‬ೝ้LjAD7671૧ᆩሞSCLKᆅগ ฉ༵ࠃ‫ྔڦ‬և‫ز‬ႜຕ਍้ዓ߾ፕăኄዖఇ๕ူLj੗ᅜᆩ‫ܠ‬ ዖ‫܁݆ݛ‬ൽຕ਍ăྔև‫ز‬ႜ้ዓᆯCS჋ཚLj‫ړ‬CSࢅRD਩ ྺ‫ۉگ‬ೝ้Ljຕ਍๼‫؜‬ăᅺُLjߵ਍CS‫ڦ‬ጒༀփཞLjຕ਍ ੗ᅜሞْ߳ገ࣑ኮࢫईሞူᅃገ࣑೺क़‫܁‬ൽăྔև้ዓ੗ ᅜ๟૶Ⴤ้ዓई‫૶ݥ‬Ⴤ้ዓă‫૶ݥ‬Ⴤ้ዓሞ࿮ၳ้੗ᅜ๟ ‫ߛ׉‬ई‫گ׉‬ă཮19ࢅ཮21ྺኄၵ‫ၘڦ݆ݛ‬ဦ้Ⴞ཮ă Rev. B | Page 17 of 24 AD7671 ገLjܸٗ๑ຕጴऄ‫ۯ‬ᇑ࠲॰ገ࣑ಒ܏ኮक़‫ڦ‬੗ీઍཚই዁ ፌ‫گ‬ă ዷऐ‫ز‬ႜথ੨ ాև้ዓ ሞገ࣑ኮࢫ‫܁‬ൽఇ๕ူᆌጀᅪLjᇑഄ໲ఇ๕փཞLj႑ࡽ BUSYሞ16߲ຕ਍࿋ደ߲๼‫؜‬ኮࢫՎྺ‫ۉگ‬ೝLjܸփ๟ሞ ገ࣑঩܎঳ຐ้Ljࢫኁࣷ‫ڞ‬ዂBUSY੻‫܈‬ড‫׊‬ă ‫ړ‬EXT/INTᆅগ‫ت‬ᇀ‫ۉگ‬ೝ้LjAD7671ׂิժ༵ࠃ‫ز‬ႜຕ ਍้ዓSCLKă໲ׂ࣏ิᅃ߲SYNC႑ࡽLjᅜߢኪዷऐ‫ز‬ႜ ຕ਍ࢆ้ᆶၳăසࡕႴᄲLj‫ز‬ႜ้ዓSCLKࢅSYNC႑ࡽ੗ ᅜ‫ݒ‬၎ăߵ਍RDC/SDIN๼෇‫ڦ‬ጒༀփཞLjຕ਍੗ᅜሞ߳ ْገ࣑ኮࢫईሞገ࣑೺क़‫܁‬ൽă཮17ࢅ཮18ྺኄଇዖ‫݆ݛ‬ ‫ၘڦ‬ဦ้Ⴞ཮ă ‫ړ‬AD7671ኟሞኴႜ࿋ಒ܏้LjՂႷጀᅪຕጴ๼෇/๼‫؜‬ᆅ গฉփీ‫؜‬၄‫ۉ‬უຨՎLj‫ޏ‬ሶࣷ‫ڞ‬ዂገ࣑঳ࡕփॅăኄሞ ገ࣑঩܎‫ࢫڦ‬ӷ܎ᆮഄዘᄲLjᅺྺAD7671༵ࠃକဃֶၯኟ ‫ۉ‬ୟLj੗ᅜၯኟገ࣑঩܎‫ڦ‬മӷ܎೺क़ፔ‫ڦ؜‬փ‫ړ‬࿋ಒ ܏ăᅺُLj‫ړ‬๑ᆩྔև้ዓ้Ljॺᅱ๑ᆩ‫૶ݥ‬Ⴤ้ዓLj໲ ৈሞBUSYྺ‫ۉگ‬ೝ้ൎ࣑LjईኁփሞBUSYߛ‫ۉ‬ೝ‫ࢫڦ‬ӷ ܎ՎദLjኄᅃ‫ྺ߸ۅ‬ዘᄲă ཚ‫׉‬LjAD7671ᅜߛཾུ໏୲߾ፕLjᅺُසࡕీࠕ๑ᆩLj‫ز‬ ႜఇ๕ፌࡻ๑ᆩገ࣑೺क़ዷऐ‫܁‬ൽఇ๕ă ሞገ࣑೺क़‫܁‬ൽఇ๕ူLj‫ز‬ႜ้ዓࢅຕ਍ሞ๢‫้ڦړ‬ਗ਼‫ݒ‬ EXT/INT = 0 RDC/SDIN = 0 CS, RD INVSCLK = INVSYNC = 0 t3 CNVST t 28 BUSY t 30 t 29 t 25 SYNC t 14 t 18 t 19 t 20 t 24 t 21 t 26 1 2 D15 D14 SCLK 3 14 15 16 t 15 t 27 SDOUT X t 16 D2 D1 D0 t 23 t 22 ཮17. ‫܁‬ൽ้‫ڦ‬ዷऐ‫ز‬ႜຕ਍้Ⴞ(ገ࣑ኮࢫ‫܁‬ൽ) RDC/SDIN = 1 EXT/INT = 0 INVSCLK = INVSYNC = 0 CS, RD t1 CNVST t3 BUSY t 17 t 25 SYNC t 14 t 19 t 20 t 21 t 15 SCLK t 24 1 2 D15 D14 3 14 15 D2 D1 t 18 SDOUT X t 16 t 22 t 26 16 t 27 t 23 ཮18. ‫܁‬ൽ้‫ڦ‬ዷऐ‫ز‬ႜຕ਍้Ⴞ(ገ࣑೺क़‫܁‬ൽമᅃገ࣑঳ࡕ) Rev. B | Page 18 of 24 D0 AD7671 EXT/INT = 1 INVSCLK = 0 RD = 0 CS, RD BUSY t36 SCLK t35 t37 1 2 t31 3 14 15 16 17 18 t32 X SDOUT D15 t16 D14 D13 D1 D0 X15 X14 X14 X13 X1 X0 Y1 5 Y14 t34 SDIN X15 t33 ཮19. ‫܁‬ൽ้‫ٗڦ‬ऐ‫ز‬ႜຕ਍้Ⴞ(ገ࣑ኮࢫ‫܁‬ൽ) ገ࣑ኮࢫ‫ྔڦ‬և‫૶ݥ‬Ⴤ้ዓຕ਍‫܁‬ൽ BUSY OUT ໚඗๑ᆩኄዖఇ๕փీํ၄ፌߛཾུଉLj‫ڍ‬ኄ๟ፌኵ‫ླྀڥ‬ ४‫زڦ‬ႜٗऐఇ๕ă཮19ྺُ‫ၘڦ݆ݛ‬ဦ้Ⴞ཮ăገ࣑ྜ ‫(ࢫׯ‬ཚࡗBUSY‫ۉگڟ࣮ݓ‬ೝ‫ڥ‬ኪ)Ljُገ࣑‫ڦ‬঳ࡕ੗ᅜሞ CSࢅRD਩ྺ‫ۉگ‬ೝ้‫܁‬ൽăຕ਍ᅜMSBᆫံ‫ݛ‬๕ᆯ16߲ ้ዓஞ؋ደ߲๼‫؜‬Ljܸ൐ሞ้ዓ‫ڦ‬ฉืᄂࢅူইᄂ਩ᆶ ၳă BUSY AD7671 AD7671 #2 (UPSTREAM) #1 (DOWNSTREAM) RDC/SDIN ፌࢫLjኻᆶሞኄዖఇ๕ူLjAD7671֍༵ࠃ“ਅࢾ૾”༬ႠLj ૧ᆩRDC/SDIN๼෇ᆅগ੗ॽ‫߲ܠ‬ገ࣑ഗप૴ഐઠăኄᅃ ༬Ⴀ੗ᆩᇀ३ณഗॲຕଉࢅ၍ୟ૶থǗ૩සሞ߰૗๕‫ܠ‬ገ ࣑ഗᆌᆩዐLjထྭഗॲࢅ૶থሁณሁࡻă ଇ߲ഗॲ‫ڦ‬ਅࢾ૾૶থ๖૩ස཮20໯๖ă૧ᆩᅃ߲ࠅࠌ CNVST႑ࡽ੗ᅜํ၄ཞօ֑ᄣăᆌጀᅪLj໮٪RDC/SDIN ๼෇‫ڦ‬SCLKᄂᇑᆩᇀሞSDOUTฉ๼‫؜‬ຕ਍‫ڦ‬SCLKᄂ၎ ‫ݒ‬ăᅺُLjሞူᅃ߲SCLKዜ೺Ljฉᆴገ࣑ഗ‫ڦ‬MSB৆߶ူ ᆴገ࣑ഗ‫ڦ‬LSBă SDOUT RDC/SDIN CNVST ኄዖ‫ڦ݆ݛ‬ᆫ‫ۅ‬ኮᅃ๟ገ࣑ႠీփࣷူইLjᅺྺገ࣑ࡗ‫ײ‬ ዐຕጴথ੨ฉփ٪ሞ‫ۉ‬უຨՎă ଷᅃ߲ᆫ‫ۅ‬๟໲ీࠕᅜፌߛ40 MHz‫ڦ‬ඪᅪ໏‫܁܈‬ൽຕ਍Lj ़ኧ‫׼‬஥໏ຕጴዷऐথ੨Ljᄺኧ‫׼‬ፌ੺‫زڦ‬ႜ‫܁‬ൽă BUSY SDOUT DATA OUT CNVST CS CS SCLK SCLK SCLK IN CS IN CNVST IN ཮20. ଇ߲AD7671‫ڦ‬ਅࢾ૾ದዃ ገ࣑೺क़‫ྔڦ‬և้ዓຕ਍‫܁‬ൽ ཮32ྺُ‫ၘڦ݆ݛ‬ဦ้Ⴞ཮ăገ࣑೺क़Lj‫ړ‬DTࢅSE਩ྺ ‫ۉگ‬ೝ้Lj੗ᅜ‫܁‬ൽമᅃገ࣑‫ڦ‬঳ࡕăຕ਍ᅜNTCᆫံ‫ݛ‬ ๕ᆯ27้߲ዓஞ؋ደ߲๼‫؜‬Ljܸ൐ሞ้ዓ‫ڦ‬ฉืᄂࢅူই ᄂ਩ᆶၳăՂႷሞ‫ړ‬മገ࣑ྜ‫ׯ‬ኮമ‫ྜ܁‬ኄ27࿋ຕ਍ăස ࡕ࿄‫ྜ܁‬LjሶSEFSSPSՎྺߛ‫ۉ‬ೝLj੗ᅜᆩઠዐ܏ዷऐ থ੨Lj‫ݞ‬ኹຕ਍‫܁‬ൽփྜኝăُఇ๕ுᆶਅࢾ૾༬ႠLj SED0TEJO๼෇ᆌᇑߛ‫ۉ‬ೝई‫ۉگ‬ೝ၎૶ă Rev. B | Page 19 of 24 AD7671 INVSCLK = 0 EXT/INT = 1 RD = 0 CS CNVST BUSY t3 t 35 t 36 t 37 SCLK 1 2 t 31 14 15 16 t 32 X SDOUT 3 D15 D14 D1 D13 D0 t 16 ཮21. ‫܁‬ൽ้‫ٗڦ‬ऐ‫ز‬ႜຕ਍้Ⴞ(ገ࣑೺क़‫܁‬ൽമᅃገ࣑঳ࡕ) ྺই‫گ‬ຕጴऄ‫ܔۯ‬Ⴀీ‫ڦ‬ᆖၚLjॺᅱ๑ᆩူຎೕ୲‫੺ڦ‬໏ ‫૶ݥ‬Ⴤ้ዓǖஞ؋ఇ๕ူ዁ณ25 MHzLjኟ‫׉‬ఇ๕ူ዁ณ32 MHzLjWarpఇ๕ူ዁ณ40 MHzLjᅜඓԍ໯ᆶຕ਍࿋‫ీۼ‬ሞ ገ࣑঩܎‫ڦ‬മӷ܎‫܁‬ൽăᄺ੗ᅜሞገ࣑ኮࢫਸ๔‫܁‬ൽຕ ਍Ljฯ዁ሞႎገ࣑ᅙഔ‫ۯ‬ኮࢫीჄ‫܁‬ൽፌࢫ‫ڦ‬ຕ਍࿋ăُ ้੗ᅜ๑ᆩড஥‫้ڦ‬ዓLj૩සǖஞ؋ఇ๕ူ18 MHzLjኟ‫׉‬ ఇ๕ူ21 MHzLjWarpఇ๕ူ26 MHză DVDD AD7671* MC68HC11* SER/PAR EXT/INT CS RD BUSY SDOUT SCLK INVSCLK CNVST IRQ MISO/SDI SCK I/O PORT * ADDITIONAL PINS OMITTED FOR CLARITY ྲ‫ت‬૙ഗথ੨ AD7671༬՚๢ࢇኧ‫تྲ׼‬૙ഗ‫دڦ‬ཥ኱ୁ֪ଉᆌᆩࢅᇑຕ ጴ႑ࡽ‫ت‬૙ഗথ੨‫ڦ‬঍ୁ႑ࡽ‫ت‬૙ᆌᆩăAD7671੗ᅜ૶থ ժႜ8࿋ई16࿋੻থ੨Ljईኁ૶থྲ੦዆ഗฉ‫ڦ‬ཚᆩ‫ز‬ႜ ‫܋‬੨ईI/O‫܋‬੨ăAD7671੗ᅜᇑ߳ዖྔև࣐؋ഗದࢇ๑ ᆩLj‫ݞ‬ኹຕጴሯำ᳘ࢇ‫ڟ‬ADCኮዐăူ௬ຫ௽AD7671ස ࢆ ದ ࢇ ᅃ ߲ ‫ ټ‬ᆶ SPIথ ੨ ‫ ྲ ڦ‬੦ ዆ ഗ Ă ADSP-21065Lࢅ ADSP-218xຕጴ႑ࡽ‫ت‬૙ഗ๑ᆩă SPIথ੨(MC68HC11) ཮ 22ྺ AD7671ᇑ ᅃ ߲ ದ ᆶ SPIথ ੨ ‫ ྲ ڦ‬੦ ዆ ഗ (૩ ස MC68HC11)‫ ڦ‬থ ੨ ཮ăྺኧ‫ྲ׼‬੦዆ഗ‫ڦ‬ড஥໏‫܈‬Lj AD7671ᆩፕٗऐLjຕ਍ՂႷሞገ࣑ኮࢫ‫܁‬ൽăُఇ๕ཞᄣ ਏᆶਅࢾ૾༬Ⴀăገ࣑ంସ੗ᅜၚᆌᅃ߲ాև้ۨഗዐ܏ ܸഔ‫ۯ‬ă๼‫؜‬ຕ਍‫܁ڦ‬ൽ(Ղᄲ้ᅃْᅃ߲ጴব)੗ᅜၚᆌ ገ࣑঳ຐ႑ࡽ(BUSYՎྺ‫ۉگ‬ೝ)Lj૧ᆩྲ੦዆ഗ‫ڦ‬ዐ܏၍ ୟܸഔ‫ۯ‬ăၠMC68HC11‫زڦ‬ႜྔยথ੨(SPI)੦዆स٪ഗ (SPCR)ႀ෇ຕ਍Ljॽഄದዃྺǖዷऐఇ๕(MSTR) = 1Lj้ዓ टႠ࿋(CPOL) = 0Lj้ዓ၎࿋࿋(CPHA) = 1LjSPIዐ܏๑ీ (SPIE) = 1ăIRQದዃྺৈ‫ܔ‬Չᄂ௺ߌ߾ፕఇ๕(OPTIONस ٪ഗዐ‫ڦ‬IRQE = 1)ă ཮22. AD7671ᇑSPIথ੨‫૶ڦ‬থ ዷऐ‫ز‬ႜথ੨ዐ‫ڦ‬ADSP-21065L ස཮23໯๖Lj૧ᆩዷऐఇ๕ူ‫زڦ‬ႜথ੨Lj੗ᅜ๑AD7671 ᇑADSP-21065Lํ၄থ੨Lj࿮Ⴔඪࢆঌ૶இडăُఇ๕़ ਏᆶ၍ୟ૶থডณ‫ڦ‬ᆫ๞Ljᆼీᅜፌߛ‫د‬๼໏‫܈‬ሞገ࣑೺ क़ईገ࣑ኮࢫ‫܁‬ൽຕ਍(DIVSCLK[0:1]਩ྺ‫ۉگ‬ೝ)ă AD7671ದዃྺాև้ዓఇ๕(EXT/INTྺ‫ۉگ‬ೝ)Ljᅺُᆩፕ ዷऐăገ࣑ంସ੗ᅜཚࡗ‫ܠ‬ዖ‫ݛ‬๕ׂิǖᅃ߲ྔև‫گ‬۶‫ۯ‬ ና‫ږ‬ഗLjස཮໯๖‫ڦ‬ADSP-21065L FLAG๼‫؜‬LjईኁADSP21065L‫ڦ‬ᅃ߲‫ز‬ႜ‫܋‬੨‫ڦ‬ኡ๼‫؜‬TFS(໲੗ᅜၟ้ۨഗᅃᄣ ๑ᆩ)ăADSP-21065L‫زڦ‬ႜ‫܋‬੨ದዃྺǖྔև้ዓ(IRFS = 0)Ăฉืᄂᆶၳ(CKRE = 1)Ăྔև‫׿‬ኡཞօ႑ࡽ(IRFS = 0Ă LAFS = 1ĂRFSR = 1)ᅜतߛ‫ۉ‬ೝᆶၳ(LRFS = 0)ăADSP21065L‫زڦ‬ႜ‫܋‬੨ཚࡗႀ෇ഄথ๭੦዆स٪ഗ(SRCTL)৊ႜ ದዃLjၘ൧९ADSP-2106x SHARCᆩࢽ๮֩ăᆯᇀADSP21065L‫زڦ‬ႜ‫܋‬੨ॽੂ‫ڟ‬ᅃ߲‫૶ݥ‬Ⴤ้ዓLjᅺُሞADSP21065Lྜ‫ްׯ‬࿋ࢫՂႷ৊ႜ‫؛‬๔ጴ‫܁‬ൽLjඓԍ‫ز‬ႜ‫܋‬੨ሞ ࢫჄ߳ຕ਍‫܁‬ൽ֡ፕዐᇑُ้ዓኟඓཞօă Rev. B | Page 20 of 24 AD7671 AD7671‫ۉڦ‬ᇸ၍ୟᆌ֑ᆩ৑੗ీ੻‫ڦ‬ጽ၍Ljᅜ༵ࠃ‫گ‬ፆੇ ୟ০Ljժ३ၭ‫ۉ‬ᇸ၍ୟฉ‫ڦ‬றِሯำၳᆌăଆࡻ‫ڦ‬ඁ᳘ᄺ ࢔ዘᄲLjᅜՍই‫گ‬AD7671‫ۉڦ‬ᇸፆੇLjժ३ณ‫ۉ‬ᇸॖ‫ޗރ‬ ‫܈‬ă‫ۆ‬႙ኵ100 nF‫ڦ‬ඁ᳘༩ٍ‫ۉ‬ඹᆌ੍ৎ(૙ၙ൧઄๟৆੍) ໯ᆶ‫ۉ‬ᇸᆅগAVDDĂDVDDĂOVDDतഄ‫ܔ‬ᆌ‫ڦ‬থ‫ں‬ᆅ গ‫ݣ‬ዃăُྔLjADC޹ৎᆌ‫ݣ‬ዃ‫گ‬ESR 10 mF‫ۉ‬ඹLjᅜ৊ᅃ օ३ၭ‫گ‬ೕ࿖հă DVDD AD7671* ADSP-21065L* SHARC ® SER/PAR RDC/SDIN RD EXT/INT SYNC SDOUT CS INVSYNC SCLK INVSCLK CNVST RFS DR RCLK FLAG OR TFS ٗ཮9੗ᅜੂ‫؜‬LjAD7671‫ۉܔ‬ᇸฉ‫ڦ‬ሯำਏᆶଆࡻ‫ੇڦ‬ඡ ‫܈‬Ljփࡗධᆌጀᅪথ‫ں‬քਆă AD7671‫ڦ‬DVDD‫ۉ‬ᇸ੗ᅜ๟ᅃ߲‫܀‬૬‫ۉ‬ᇸLjᄺ੗ᅜઠጲఇ ె‫ۉ‬ᇸAVDDLjईኁઠጲຕጴথ੨‫ۉ‬ᇸOVDDă‫ړ‬ဣཥຕ ጴ‫ۉ‬ᇸ‫ڦ‬ሯำ໿ߛईኁ٪ሞ੺໏ൎ࣑ຕጴ႑ࡽ้Ljසࡕு ᆶ‫܀‬૬‫ۉ‬ᇸ੗ᆩLjሶॺᅱॽDVDDຕጴ‫ۉ‬ᇸཚࡗᅃ߲RC୳ հഗ૶থ‫ڟ‬ఇె‫ۉ‬ᇸAVDDLjස཮5໯๖Ljժॽဣཥ‫ۉ‬ᇸ૶ থ‫ڟ‬থ੨ຕጴ‫ۉ‬ᇸOVDDࢅഄᇆຕጴ‫ۉ‬ୟă‫ړ‬DVDDٗဣ ཥ‫ۉ‬ᇸࠃ‫้ۉ‬Lj֭෇ᅃ߲‫ى‬ዩ๟࢔ᆶᆩ‫ڦ‬Lj੗৊ᅃօই‫گ‬ ߛೕሯำॖ‫ރ‬ă AD7671໯ሞ‫ڦ‬ᆇຘ‫ۉ‬ୟӱᆌ֑ᆩఇెև‫ݴ‬ᇑຕጴև‫ݴݴ‬૗ ยऺLjժ၌዆ሞ‫ۉ‬ୟӱ‫ڦ‬ᅃۨ൶ᇘాăኄᄣՍᇀ๑ᆩথ‫ں‬ ֫ժඟ໲்ᅟᇀ‫ݴ‬૗ăຕጴ‫ࢅں‬ఇె‫ں‬ᆌ‫૶ۅڇ‬থă‫ۅڇ‬ থ ‫ ۅ ں‬ፌ ࡻ ࿋ ᇀ AD7671ူ ‫ ݛ‬Lj ዁ ณ ᆌ ৑ ੗ ీ ੍ ৎ AD7671ăසࡕAD7671ဣཥాᆶ‫߲ܠ‬ഗॲᄲ൱ఇຕথ‫૶ں‬ থLjධᆌॕ‫ۅڇ׼‬থ‫ں‬Ljӝথ‫ݣۅں‬ዃሞ৑੗ీ੍ৎ AD7671‫ڦ‬ᅃ߲႓႙থ‫ۅں‬ă AD7671ᆶ 5߲ փ ཞ থ ‫ ں‬ᆅ গ ǖ INGNDĂ REFGNDĂ AGNDĂDGNDࢅOGNDăINGNDᆩᇀॠ֪ఇె๼෇႑ ࡽăREFGNDᆩᇀॠ֪एጚ‫ۉ‬უLjᆌཚࡗ‫گ‬ፆੇ࣮ୟ‫࣮ݓ‬ एጚᇸLjᅺྺ໲ၻ‫ټ‬ஞ؋‫ୁۉ‬ăAGND๟ADCాև‫ܠ‬ຕఇ ె႑ࡽ‫ں੊֖ڦ‬ăُᆅগՂႷᅜ৑੗ీ‫ۉڦگ‬ፆ૶থ‫ڟ‬ఇ ె‫֫ں‬ăDGNDՂႷ૶থ‫ڟ‬ఇెईຕጴ‫֫ں‬Ljਏ༹๫ದዃ ܸۨăOGND૶থ‫ڟ‬ຕጴဣཥ‫ں‬ă ॺᅱՆ௨ሞഗॲူ‫ݛ‬քยຕጴ၍ୟLj‫ޏ‬ሶࣷॽሯำ᳘ࢇ዁ ႊೌăᆌሎႹఇెথ‫֫ں‬քยሞAD7671ူ‫ݛ‬LjᅜՆ௨ሯำ ᳘ࢇăCNVSTई้ዓ‫੺ڪ‬໏ൎ࣑႑ࡽᄲ๑ᆩຕጴ‫ेں‬ᅜೡ ԸLjᅜ௨ॽሯำ‫ޖ‬พ‫ۉڟ‬ୟӱ‫ڦ‬ഄ໱և‫ݴ‬Ljܸ൐੺໏ൎ࣑ ႑ࡽਨփీ੍ৎఇె႑ࡽୟ০ăᆌՆ௨ຕጴ႑ࡽᇑఇె႑ ࡽ঍۠ă‫ۉ‬ୟӱତৎ֫ฉ‫ڦ‬ጽ၍ᆌԵُ‫ؽ‬኱Ljᅜ३ၭ‫ۉ‬ୟ ӱ‫ڦ‬ઍཚၳᆌă एጚ‫ۉ‬უ‫ڦ‬ඁ᳘քਆ‫׉ݥ‬ዘᄲăඁ᳘‫ۉ‬ඹᆌ੍ৎADCLjժ ᆩ‫ڦ੻ܸ܌‬ጽ၍૶থLj๑सิ‫ߌۉ‬ፌၭă * ADDITIONAL PINS OMITTED FOR CLARITY ཮23. ๑ᆩ‫ز‬ႜዷऐఇ๕ᇑADSP-21065Lথ੨ ᆌᆩႷኪ քਆ AD7671Ⴀీೠࠚ AD7671‫ڦ‬ೠࠚӱ၂๖କAD7671‫ླྀڦ‬४քਆăೠࠚӱ༫ॲ Ԉઔጎದྜ฀൐ঢ়ࡗ֪๬‫ڦ‬ೠࠚӱĂ࿔‫ڗ‬ᅜतᆩᇀٗPCཚ ࡗEval-Controlӱ੦዆ೠࠚӱ‫ॲ෉ڦ‬ă Rev. B | Page 21 of 24 AD7671 ྔႚ؅٫ 48ᆅগԋ႙຺‫ݛ‬Ռೝ‫ހ‬ጎ[LQFP] (ST-48) ؅٫‫ڇ‬࿋ǖmm 0.75 0.60 0.45 9.00 BSC SQ 1.60 MAX 37 48 36 1 0.15 0.05 SEATING PLANE 10 6 2 1.45 1.40 1.35 SEATING PLANE PIN 1 7.00 BSC SQ TOP VIEW 0.20 0.09 (PINS DOWN) VIEW A 7 3.5 0 0.10 MAX COPLANARITY 25 12 13 24 0.27 0.22 0.17 0.50 BSC VIEW A ROTATED 90 CCW COMPLIANT TO JEDEC STANDARDS MS-026BBC 48ᆅগᆅগॐࠓႊೌप‫ހ‬ጎ[LFCSP] (CP-48) ؅٫‫ڇ‬࿋ǖmm 7.00 BSC SQ 0.60 MAX 0.60 MAX 37 6.75 BSC SQ TOP VIEW 0.20 REF 1 25 24 12 13 5.50 REF 0.80 MAX 0.65 NOM 0.05 MAX 0.02 NOM 0.50 BSC SEATING PLANE 5.25 5.10 SQ 4.95 BOTTOM VIEW 0.50 0.40 0.30 12 MAX PIN 1 INDICATOR 48 36 PIN 1 INDICATOR 1.00 0.90 0.80 0.30 0.23 0.18 COPLANARITY 0.08 COMPLIANT TO JEDEC STANDARDS MO-220-VKKD-2 Rev. B | Page 22 of 24 PADDLE CONNECTED TO AGND. THIS CONNECTION IS NOT REQUIRED TO MEET THE ELECTRICAL PERFORMANCES AD7671 Ⴊ۩૦๏ ࿋ዃ ᄻஓ 2003౎4ሆ—ຕ਍๮֩ٗႪ۩ӲAืप‫ڟ‬Ⴊ۩ӲB ߸߀PulSAR჋ስ՗ ........................................................................................................................................................................................................ 1 ߸߀۩ࠔኸళ ................................................................................................................................................................................................................ 5 ߸߀཮5 .......................................................................................................................................................................................................................... 13 ߸ႎ“ྔႚ؅٫”և‫ ݴ‬................................................................................................................................................................................................... 22 2002౎5ሆ—ຕ਍๮֩ٗႪ۩Ӳ0ืप‫ڟ‬Ⴊ۩ӲA Պड“༬Ⴀ”և‫ ݴ‬.............................................................................................................................................................................................................. 1 Պड“߁ຎ”և‫ ݴ‬............................................................................................................................................................................................................. 1 “ׂ೗਋ঋ”և‫ݴ‬ሺे཮՗ ............................................................................................................................................................................................ 1 Պड“रຍࡀ߭”և‫ ݴ‬................................................................................................................................................................................................ 2–3 Պड՗I ............................................................................................................................................................................................................................. 3 Պड“ਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵ”և‫ ݴ‬........................................................................................................................................................................................ 5 Պड“۩ࠔኸళ”և‫ ݴ‬..................................................................................................................................................................................................... 5 ՊडTPC 4 ........................................................................................................................................................................................................................ 9 ߸࣑TPC 9 ..................................................................................................................................................................................................................... 10 ሺेTPC 16 ................................................................................................................................................................................................................... 11 Պड՗III ....................................................................................................................................................................................................................... 13 Պड“ൻ‫ٷݣۯ‬ഗ჋ስ”և‫ ݴ‬..................................................................................................................................................................................... 15 ߸࣑“एጚ‫ۉ‬უ๼෇”և‫ ݴ‬.......................................................................................................................................................................................... 15 ߸࣑ST-48‫ހ‬ጎྔႚ .................................................................................................................................................................................................... 22 Rev. B | Page 23 of 24 AD7671 ©2005–2010 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. C02567–0–5/03(B) Rev. B | Page 24 of 24