AD8221ARM

৛௢ᅏ՗‫ٷݣ‬ഗ AD8221  ༬Ⴀ ૶থ཮ –IN 1 8 +VS RG 2 7 VOUT RG 3 6 REF +IN 4 AD8221 5 –VS TOP VIEW 03149-001 ᅟᇀ๑ᆩ ֑ᆩবู੣क़‫ڦ‬MSOP‫ހ‬ጎ ሺᅮཚࡗ1߲ྔև‫ۉ‬ፆยዃ(ሺᅮ‫ྷݔ‬ǖ1዁1000) ੻‫ۉ‬ᇸ‫ۉ‬უ‫ྷݔ‬ǖ±2.3 V዁±18 V ‫ۨܮ‬࿒‫ྷݔ܈‬ǖ ā−40°C዁+85°C ߾ፕ࿒‫܈‬ፌߛ੗‫ٳ‬125°C1 ‫؜‬෥‫ڦ‬঍ୁ༬Ⴀ āCMRRǖ80 dB(ፌၭኵ,10 kHzLjG = 1) ā−3 dB‫੻ټ‬ǖ825 kHz (G = 1) āუӦ୲ǖ2 V/μs ‫گ‬ሯำ ā๼෇‫ۉ‬უሯำǖ8 nV/√Hz (ፌ‫ٷ‬ኵLj1 kHz) ā0.25 μV‫ރރ‬ኵ๼෇ሯำ(0.1 Hz዁10 Hz) ߛ৛‫܈‬኱ୁႠీ(AD8221BR) āCMRRǖ90 dB (ፌၭኵ,G = 1) ā๼෇฿ۙ‫ۉ‬უǖ25 μV(ፌ‫ٷ‬ኵ) ā๼෇฿ۙ೏ᅎǖ0.3 μV/°C(ፌ‫ٷ‬ኵ) ā๼෇ೋዃ‫ୁۉ‬ǖ0.4 nA(ፌ‫ٷ‬ኵ) ཮1 120 110 AD8221 CMRR (dB) 100 90 COMPETITOR 1 80 70 60 COMPETITOR 2 50 40 ‫ۉ‬ጱ‫׹‬ ߾ᄽࡗ‫ײ‬੦዆ ൃ๕‫ٷݣ‬ഗ ৛௢ຕ਍֑णဣཥ ᅅଐᅏഗ ᆌՎऺ ‫ߌد‬ഗথ੨ ߁ຎ AD8221๟ᅃ੼ሺᅮ੗Պ‫ײ‬ĂߛႠీᅏ՗‫ٷݣ‬ഗLjሞᄽহ ཞૌׂ೗ዐLjഄ၎‫ܔ‬ᇀೕ୲‫ࠌڦ‬ఇᅞ዆Բ(CMRR)ፌߛă ‫ৃړ‬๨‫ׇ‬ฉᅏ՗‫ٷݣ‬ഗ‫ڦ‬CMRRሞ200 Hzਸ๔ူইăᇑኮ၎ ԲLjሞG = 1้LjAD8221໯ᆶ‫ڪ‬पׂ೗‫ڦ‬ፌ‫گ‬CMRR਩ྺ80 dB ժ੻዁10 kHză၎‫ܔ‬ᇀೕ୲‫ࠌߛڦ‬ఇᅞ዆Բ(CMRR)๑‫ڥ‬ AD8221੗ᅜᅞ዆੻‫߅ټ‬ඡࢅ၍ୟၿհLjܸٗ‫ٷٷ‬०ࣅ‫ܔ‬ ୳հഗ‫ڦ‬ᄲ൱ă੗ీ‫ڦ‬ᆌᆩԈઔ৛௢ຕ਍֑णĂิ࿿ᅅბ ‫ݴ‬ဆࢅࡵ੣ࡵཀᅏഗă 10 100 1k 10k FREQUENCY (Hz) 100k 03149-002 ᆌᆩ ཮2. ‫ۆ‬႙CMRRᇑೕ୲‫࠲ڦ‬ဣ(G = 1) ‫ۉگ‬უ฿ۙĂ‫گ‬฿ۙ೏ᅎĂ‫گ‬ሺᅮ೏ᅎĂߛሺᅮ৛‫ߛࢅ܈‬ ࠌఇᅞ዆Բ༬ႠLj๑ኄ੼ഗॲ‫ྺׯ‬ᄲ൱ਏԢፌॅ኱ୁႠీ ᆌᆩ)සൃ๕႑ࡽۙ૙*‫ڦ‬ਨॅ჋ስă ੗Պ‫ײ‬ሺᅮྺᆩࢽ༵ࠃยऺଳऄႠăཚࡗ‫ڇ‬ᅃ‫ۉ‬ፆLj੗ሞ 1‫ڟ‬1000‫ాྷݔ‬ยዃሺᅮăAD8221੗ᅜ֑ᆩ‫ۉڇ‬ᇸईມ‫ۉ‬ ᇸࠃ‫ۉ‬Lj༬՚๢ࢇ๼෇‫ۉ‬უྺ±10 V‫ڦ‬ᆌᆩă ޿ഗॲ֑ᆩ‫ׯگ‬Ԩ‫ڦ‬8ᆅগSOICࢅMSOPଇዖ‫ހ‬ጎLj൐਩ ీ༵ࠃᄽহፌॅႠీăMSOPኻႴSOICᅃӷ‫ۉڦ‬ୟӱ੣ क़Ljᅺُ‫׉ݥ‬๢ࢇ‫ܠ‬ཚ‫ڢ‬ई੣क़๴၌‫ڦ‬ᆌᆩă ޿ഗॲ໯ᆶ‫ڪ‬प‫ۨܮڦ‬࿒‫ྷݔ܈‬਩ྺ−40°C዁+85°C߾ᄽ࿒ ‫ྷݔ܈‬ăُྔLjAD8221ᄺీሞ−40°C዁+125°C1‫߾ాྷݔ‬ ፕă 1 ൩֖੊ሞ96°C዁236°C‫߾ాྷݔ‬ፕ‫ۆڦ‬႙༬Ⴀ൸၍ă 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. 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 ©2003–2007 Analog Devices, Inc. All rights reserved. ADIዐ࿔Ӳຕ਍๮֩๟ᆈ࿔Ӳຕ਍๮֩‫ڦ‬ᅳ࿔Lj৤൩ଌ঴‫݋‬ᅳዐ੗ీ٪ሞ‫ڦ‬ᇕჾፇኯई‫݋‬ᅳ‫ٱ‬ဃLjADIփ‫݋ܔ‬ᅳዐ٪ሞ‫ֶڦ‬ᅴईᆯׂُิ‫ٱڦ‬ဃ޶ሴăසႴඓණඪࢆَᇕ‫ڦ‬ጚඓႠLj൩֖੊ADI ༵ࠃ‫ڦ‬ፌႎᆈ࿔Ӳຕ਍๮֩ă AD8221  ణ!!!!୤ ༬Ⴀ ............................................................................................ 1 āքਆ!......................................................................................　17 ᆌᆩ!........................................................................................... 1 āएጚ‫܋‬ጱ!.............................................................................. 　18 ߁ຎ!........................................................................................... 1 ā‫ۉ‬ᇸۙኝᇑಖୟ!................................................................... 18 ૶থ཮!........................................................................................ 1 ā๼෇ೋዃ‫࣮ୁۉ‬ୟ!............................................................... 18 Ⴊ۩૦๏!................................................................................... 2 ā๼෇ԍࢺ!.............................................................................. 18 रຍࡀ߭!................................................................................... 3 āพೕ)SG*߅ඡ!...................................................................... 19 ਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵ!........................................................................ 8 ā৛௢ᆌՎऺ!.......................................................................... 19 āඤ༬Ⴀ!................................................................................... 8 āኍ‫ܔ‬,6!Wֶ‫ݴ‬๼෇BED‫ڦ‬Ġ21!W๼෇႑ࡽۙ૙! ............ 19 　ESDয়ߢ!................................................................................ 8 ā঍ୁ᳘ࢇᅏ՗‫ٷݣ‬ഗ!........................................................... 20 ‫ۆ‬႙߾ፕ༬Ⴀ!............................................................................ 9 ྔႚ؅٫!.................................................................................. 21 ߾ፕᇱ૙! ................................................................................. 16 ā۩ࠔኸళ!.............................................................................. 22 āሺᅮ჋ስ! ............................................................................. 17 Ⴊ۩૦๏ 2007౎9ሆ—Ⴊ۩ӲA዁Ⴊ۩ӲB Ⴊ߀“༬Ⴀ”և‫ ݴ‬......................................................................... 1 Ⴊ߀՗1քਆ .............................................................................. 3 Ⴊ߀՗2քਆ .............................................................................. 5 Ⴊ߀཮15 .................................................................................. 11 Ⴊ߀཮32 .................................................................................. 13 Ⴊ߀཮33Ă཮34ࢅ཮35 ........................................................... 14 ߸ႎ“ྔႚ؅٫”և‫ ݴ‬............................................................... 21 Ⴊ߀“۩ࠔኸళ”և‫ ݴ‬............................................................... 22 2003౎11ሆ—Ⴊ۩Ӳ0዁Ⴊ۩ӲA Ⴊ߀“༬Ⴀ”և‫ ݴ‬......................................................................... 1 Ⴊ߀“रຍࡀ߭”և‫ ݴ‬................................................................. 4 Ⴊ߀“߾ፕᇱ૙”և‫ ݴ‬............................................................... 13 Ⴊ߀“ሺᅮ჋ስ”և‫ ݴ‬............................................................... 14 2003౎10ሆ—Ⴊ۩Ӳ0ǖ‫؛‬๔Ӳ Rev. B | Page 2 of 24 AD8221  रຍࡀ߭ VS = ±15 VLjVREF = 0 VLjTA = 25°CLjG = 1LjRL = 2 kΩLj༬՚ำ௽‫ྔأ‬ă ՗1 ֖ຕ ࠌఇᅞ዆Բ ࠌఇᅞ዆ԲLjDC዁60 HzLj 1 kΩ‫ݥ‬਩࢚႑ࡽᇸ G=1 G = 10 G = 100 G = 1000 ࠌఇᅞ዆ԲCMRR(10 kHz) G=1 G = 10 G = 100 G = 1000 ሯำ ‫ۉ‬უሯำLj1 kHz ๼෇‫ۉ‬უሯำLjeNI ๼‫ۉ؜‬უሯำLjeNO RTI G=1 G = 10 G = 100዁1000 ‫ୁۉ‬ሯำ ฿ۙ‫ۉ‬უ1 ๼෇฿ۙLjVOSI ඇ࿒‫ྷݔ܈‬ ೝ਩࿒‫܈‬ဣຕ(TC) ๼‫؜‬฿ۙLjVOSO ඇ࿒‫ྷݔ܈‬ ೝ਩࿒‫܈‬ဣຕ(TC) ችࢇ‫ڟ‬๼෇‫ڦ܋‬฿ۙᇑ‫ۉ‬ᇸ‫࠲ڦ‬ဣ(PSR) G=1 G = 10 G = 100 G = 1000 ๼෇‫ୁۉ‬ ๼෇ೋዃ‫ୁۉ‬ ඇ࿒‫ྷݔ܈‬ ೝ਩࿒‫܈‬ဣຕ(TC) ๼෇฿ۙ‫ୁۉ‬ ඇ࿒‫ྷݔ܈‬ ೝ਩࿒‫܈‬ဣຕ(TC) एጚ๼෇ RIN IIN ‫ۉ‬უ‫ྷݔ‬ ๼‫؜‬ሺᅮ ཉॲ ፌၭኵ ARप ‫ۆ‬႙ኵ! ፌ‫ٷ‬ኵ ፌၭኵ! BRप ‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ ‫ڇ‬࿋ VCM = −10 V዁+10 V 80 100 120 130 90 110 130 140 dB dB dB dB 80 90 100 100 80 100 110 110 dB dB dB dB VCM = −10 V዁+10 V ችࢇ‫ڟ‬๼෇‫܋‬ሯำ =√eNI2 + (eNO/G)2 8 75 VIN+, VIN−, VREF=0 8 75 nV/√Hz nV/√Hz f = 0.1 Hz዁10 Hz 2 0.5 0.25 40 6 f = 1 kHz f = 0.1 Hz዁10 Hz 2 0.5 0.25 40 6 60 86 0.4 300 0.66 6 VS = ±5 V዁±15 V T = −40°C዁+85°C VS = ±5 V዁±15 V T = −40°C዁+85°C μV p-p μV p-p μV p-p fA/√Hz pA p-p 25 45 0.3 200 0.45 5 μV μV μV/°C μV mV μV/°C VS = ±2.3 V዁±18 V 90 110 124 130 110 120 130 140 0.5 T = −40°C዁+85°C 1 0.2 T = −40°C዁+85°C VIN+, VIN−, VREF = 0 –VS Rev. B | Page 3 of 24 94 114 130 140 1.5 2.0 110 130 140 150 0.2 1 0.1 0.6 0.8 1 1 20 50 20 50 60 +VS 1 ± 0.0001 –VS dB dB dB dB 0.4 1 0.4 0.6 60 +VS 1 ± 0.0001 nA nA pA/°C nA nA pA/°C kΩ μA V V/V AD8221 ֖ຕ ‫ۉ‬ᇸ ߾ፕ‫ۉ‬უ‫ྷݔ‬ ৢༀ‫ୁۉ‬ ඇ࿒‫ྷݔ܈‬ ‫ۯ‬ༀၚᆌ ၭ႑ࡽ-3 dB‫੻ټ‬ G=1 G = 10 G = 100 G = 1000 0.01%ॺ૬้क़ G = 1዁100 G = 1000 0.001%ॺ૬้क़ G = 1዁100 G = 1000 უӦ୲ ሺᅮ ሺᅮ‫ྷݔ‬ ሺᅮဃֶ G=1 G = 10 G = 100 G = 1000 ሺᅮ‫ݥ‬၍Ⴀ‫܈‬ G = 1 to 10 G = 100 G = 1000 G = 1 to 100 ሺᅮᇑ࿒‫࠲ڦ܈‬ဣ G=1 G > 12 ๼෇ ๼෇ፆੇ ֶ‫ݴ‬ ࠌఇ 3 ๼෇߾ፕ‫ۉ‬უ‫ྷݔ‬ ඇ࿒‫ྷݔ܈‬ ๼෇߾ፕ‫ۉ‬უ‫ྷݔ‬ ඇ࿒‫ྷݔ܈‬ ๼‫؜‬ ๼‫؜‬Ӧ‫ޗ‬ ඇ࿒‫ྷݔ܈‬ ๼‫؜‬Ӧ‫ޗ‬ ඇ࿒‫ྷݔ܈‬ ‫܌‬ୟ‫ୁۉ‬  ཉॲ ፌၭኵ VS = ±2.3 V዁±18 V ±2.3 ARप ‫ۆ‬႙ኵ! ፌ‫ٷ‬ኵ 0.9 1 T = −40°C዁+85°C ±18 1 1.2 ፌၭኵ! BRप ‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ ±2.3 0.9 1 ±18 1 1.2 ‫ڇ‬࿋ V mA mA 825 562 100 14.7 825 562 100 14.7 kHz kHz kHz kHz 10 80 10 80 μs μs 13 110 2 2.5 13 110 2 2.5 μs μs V/μs V/μs 10 Vօ৊ 10 Vօ৊ G=1 1.5 G = 5዁100 2 G = 1 + (49.4 kΩ/RG) 1 VOUT ± 10 V 1.5 2 1000 1 0.03 0.3 0.3 0.3 VOUT =−10 V዁+10 V RL = 10 kΩ RL = 10 kΩ RL = 10 kΩ RL = 2 kΩ V/V 0.02 0.15 0.15 0.15 % % % % 3 5 10 10 10 15 40 95 3 5 10 10 10 15 40 95 ppm ppm ppm ppm 3 10 –50 2 5 –50 ppm/°C ppm/°C 100||2 100||2 VS = ±2.3 V዁±5 V T = −40°C዁+85°C VS = ±5 V዁±18 V T =−40°C዁+85°C RL = 10 kΩ VS = ±2.3 V዁±5 V T = −40°C዁+85°C VS = ±5 V዁±18 V T = –40°C዁+85°C 1000 100||2 100||2 –VS + 1.9 –VS + 2.0 –VS + 1.9 –VS + 2.0 +VS − 1.1 +VS − 1.2 +VS − 1.2 +VS − 1.2 –VS + 1.9 –VS + 2.0 –VS + 1.9 –VS + 2.0 +VS − 1.1 +VS − 1.2 +VS − 1.2 +VS − 1.2 –VS + 1.1 –VS + 1.4 –VS + 1.2 –VS + 1.6 +VS − 1.2 +Vs − 1.3 +VS − 1.4 +VS − 1.5 –VS + 1.1 –VS + 1.4 –VS + 1.2 –VS + 1.6 +VS − 1.2 +VS − 1.3 +VS − 1.4 +VS − 1.5 18 Rev. B | Page 4 of 24 18 GΩ||pF GΩ||pF V V V V V V V V mA AD8221  ֖ຕ ࿒‫ྷݔ܈‬ ‫ۨܮ‬࿒‫܈‬ 4 ߾ፕ‫ྷݔ‬ ཉॲ ፌၭኵ ARप ‫ۆ‬႙ኵ! ፌ‫ٷ‬ኵ –40 –40 +85 +125 ፌၭኵ! BRप ‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ –40 –40 +85 +125 ‫ڇ‬࿋ °C °C 1 ችࢇ‫ڟ‬๼෇‫(܋‬RTI)ጺ฿ۙ‫ۉ‬უVOS = (VOSI) + (VOSO/G)ă փԈઔྔև‫ۉ‬ፆRG‫ڦ‬ᆖၚă ᅃୟ๼෇থ‫ں‬ăG = 1ă 4 ൩֖੊ሞ85°C዁125°C‫߾ాྷݔ‬ፕ‫ۆڦ‬႙߾ፕ༬Ⴀă 2 3 ՗2 ֖ຕ ࠌఇᅞ዆Բ(CMRR) ࠌఇᅞ዆ԲLjDC዁60 HzLj1 kΩ‫ݥ‬਩࢚႑ࡽᇸ G=1 G = 10 G = 100 G = 1000 ࠌఇᅞ዆Բ(10 kHz) G=1 G = 10 G = 100 G = 1000 ሯำ ‫ۉ‬უሯำLj1 kHz ๼෇‫ۉ‬უሯำLjeNI ๼‫ۉ؜‬უሯำLjeNO RTI G=1 G = 10 G = 100዁1000 ‫ୁۉ‬ሯำ ฿ۙ‫ۉ‬უ1 ๼෇฿ۙLjVOSI ඇ࿒‫ྷݔ܈‬ ೝ਩࿒‫܈‬ဣຕ(TC) ๼‫؜‬฿ۙLjVOSO ඇ࿒‫ྷݔ܈‬ ೝ਩࿒‫܈‬ဣຕ(TC) ችࢇ‫ڟ‬๼෇‫ڦ܋‬฿ۙᇑ‫ۉ‬ᇸ‫࠲ڦ‬ဣ(PSR) G=1 G = 10 G = 100 G = 1000 ๼෇‫ୁۉ‬ ๼෇ೋዃ‫ୁۉ‬ ඇ࿒‫ྷݔ܈‬ ೝ਩࿒‫܈‬ဣຕ(TC) ๼෇฿ۙ‫ୁۉ‬ ඇ࿒‫ྷݔ܈‬ ೝ਩࿒‫܈‬ဣຕ(TC) ཉॲ ፌၭኵ ARMप ‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ ‫ڇ‬࿋ VCM = −10 V዁+10 V 80 100 120 130 dB dB dB dB 80 90 100 100 dB dB dB dB VCM = –10 V዁+10 V ችࢇ‫ڟ‬๼෇‫܋‬ሯำ = √eNI2 + (eNO/G)2 8 75 VIN+, VIN−, VREF= 0 nV/√Hz nV/√Hz f = 0.1 Hz዁10 Hz 2 0.5 0.25 40 6 f = 1 kHz f = 0.1 Hz዁10 Hz μV p-p μV p-p μV p-p fA/√Hz pA p-p 70 135 0.9 600 1.00 9 VS = ±5 V዁±15 V T = −40°C዁+85°C VS = ±5 V዁±15 V T = −40°C዁+85°C μV μV μV/°C μV mV μV/°C VS = ±2.3 V዁±18 V 90 100 120 120 100 120 140 140 0.5 T = −40°C዁+85°C 3 0.3 T = −40°C዁+85°C 3 Rev. B | Page 5 of 24 dB dB dB dB 2 3 1 1.5 nA nA pA/°C nA nA pA/°C AD8221 ֖ຕ एጚ๼෇ RIN IIN ‫ۉ‬უ‫ྷݔ‬ ๼‫؜‬ሺᅮ ‫ۉ‬ᇸ ߾ፕ‫ۉ‬უ‫ྷݔ‬ ৢༀ‫ୁۉ‬ ඇ࿒‫ྷݔ܈‬ ‫ۯ‬ༀၚᆌ ၭ႑ࡽ-3 dB‫੻ټ‬ G=1 G = 10 G = 100 G = 1000 0.01%ॺ૬้क़ G = 1዁100 G = 1000 0.001%ॺ૬้क़ G = 1዁100 G = 1000 უӦ୲ ሺᅮ ሺᅮ‫ྷݔ‬ ሺᅮဃֶ G=1 G = 10 G = 100 G = 1000 ሺᅮ‫ݥ‬၍Ⴀ‫܈‬ G = 1዁10 G = 100 G = 1000 G = 1዁100 ሺᅮᇑ࿒‫࠲ڦ܈‬ဣ G=1 G > 12 ๼෇ ๼෇ፆੇ ֶ‫ݴ‬ ࠌఇ 3 ๼෇߾ፕ‫ۉ‬უ‫ྷݔ‬ ඇ࿒‫ྷݔ܈‬ ๼෇߾ፕ‫ۉ‬უ‫ྷݔ‬ ඇ࿒‫ྷݔ܈‬ ๼‫؜‬ ๼‫؜‬Ӧ‫ޗ‬ ඇ࿒‫ྷݔ܈‬ ๼‫؜‬Ӧ‫ޗ‬ ඇ࿒‫ྷݔ܈‬ ‫܌‬ୟ‫ୁۉ‬  ཉॲ ፌၭኵ ARMप ‫ۆ‬႙ኵ 20 50 VIN+, VIN−, VREF = 0 −VS ፌ‫ٷ‬ኵ ‫ڇ‬࿋ 60 +VS kΩ μA V V/V ±18 1 1.2 V mA mA 1 ± 0.0001 VS = ±2.3 V዁±18 V ±2.3 0.9 1 T = −40°C዁+85°C 825 562 100 14.7 kHz kHz kHz kHz 10 80 μs μs 13 110 2 2.5 μs μs V/μs V/μs 10 Vօ৊ 10 Vօ৊ G=1 G = 5዁100 G = 1 + (49.4 kΩ/RG) 1.5 2 1 1000 V/V 0.1 0.3 0.3 0.3 % % % % 5 7 10 15 15 20 50 100 ppm ppm ppm ppm 3 10 –50 ppm/°C ppm/°C VOUT ± 10 V VOUT = −10 V዁+10 V R L= 10 kΩ R L= 10 kΩ R L= 10 kΩ R L= 2 kΩ 100||2 100||2 VS = ±2.3 V዁±5 V T = −40°C዁+85°C VS = ±5 V዁±18 V T = −40°C዁+85°C R L= 10 kΩ VS = ±2.3 V዁±5 V T = −40°C዁+85°C VS = ±5 V዁±18 V T = −40°C዁+85°C –VS + 1.9 –VS + 2.0 –VS + 1.9 –VS + 2.0 +VS − 1.1 +VS − 1.2 +VS − 1.2 +VS − 1.2 –VS + 1.1 –VS + 1.4 –VS + 1.2 –VS + 1.6 +VS − 1.2 +VS − 1.3 +VS − 1.4 +VS − 1.5 18 Rev. B | Page 6 of 24 GΩ/pF GΩ/pF V V V V V V V V mA AD8221  ֖ຕ ࿒‫ྷݔ܈‬ ‫ۨܮ‬࿒‫܈‬ 4 ߾ፕ‫ྷݔ‬ ཉॲ ፌၭኵ −40 −40 1 ችࢇ‫ڟ‬๼෇‫(܋‬RTI)ጺ฿ۙ‫ۉ‬უVOS = (VOSI) + (VOSO/G)ă փԈઔྔև‫ۉ‬ፆRG‫ڦ‬ᆖၚă 3 ᅃୟ๼෇থ‫ں‬ăG = 1ă 4 ൩֖੊ሞ85°C዁125°C‫߾ాྷݔ‬ፕ‫ۆڦ‬႙߾ፕ༬Ⴀă 2 Rev. B | Page 7 of 24 ARMप ‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ ‫ڇ‬࿋ +85 +125 °C °C AD8221  ਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵ ՗3 ֖ຕ ‫ۉ‬ᇸ‫ۉ‬უ ాևࠀࡼ ๼‫܌؜‬ୟ‫ୁۉ‬ ๼෇‫ۉ‬უ(ࠌఇ) ֶ‫ݴ‬๼෇‫ۉ‬უ ٪‫ئ‬࿒‫ྷݔ܈‬ 1 ߾ፕ࿒‫ྷݔ܈‬ 1 ጀᅪLj‫؜ג‬ᅜฉ໯ଚ‫ڦ‬ਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵ੗ీ‫ڞ‬ዂഗॲᆦ৳ Ⴀ໦࣋ăኄኻ๟ഽۙ‫ۨܮڦ‬ኵLjփภतഗॲሞኄၵईඪࢆ ഄ໲ཉॲူ‫؜ג‬Ԩरຍࡀ߭ኸՔ‫ీࠀڦ‬Ⴀ֡ፕă‫׊‬೺ሞਨ ‫ܔ‬ፌ‫ۨܮٷ‬ኵཉॲူ߾ፕࣷᆖၚഗॲ‫ڦ‬੗੍Ⴀă ‫ۨܮ‬ኵ ±18 V 200 mW ࿄ۨ ±VS ±VS −65°C዁+150°C −40°C዁+125°C ඤ༬Ⴀ ኍ‫ܔ‬੣ഘዐ‫ڦ‬ഗॲܸჾă ‫ۨܮ‬࿒‫ྺྷݔ܈‬-40°C዁+85°Că൩֖੊ሞ85°C዁125°C‫߾ాྷݔ‬ፕ‫ۆڦ‬ ႙߾ፕ༬Ⴀă ՗4 ‫ހ‬ጎ 8ᆅগSOICLj4֫JEDEC‫ۉ‬ୟӱ 8ᆅগMSOPLj4֫JEDEC‫ۉ‬ୟӱ θJA 121 135 ‫ڇ‬࿋ °C/W °C/W ESDয়ߢ ESD)ৢ‫ߌ௺*ۉݣۉ‬ᇮॲă؊‫ۉ‬ഗॲࢅ‫ۉ‬ୟӱሞுᆶ ִਥ‫ڦ‬൧઄ူ੗ీ‫ۉݣ‬ă৑࠶ኄၵׂ೗ਏᆶጆ૧‫ڦ‬ई ጆᆩ‫ڦ‬ԍࢺ‫ۉ‬ୟLjሞᇜ‫ీߛڟ‬ଉESD้੗ీ݀ิഗॲ ‫ڦ‬໦࣋ăᅺُLj๢‫ڦړ‬ESDᇨয়੗Ն௨ഗॲႠీ‫ڦ‬३ ཽईࠀీෟ฿ă Rev. B | Page 8 of 24 AD8221  ‫ۆ‬႙߾ፕ༬Ⴀ T = 25°CLjVS = ±15 VLjRL = 10 kΩă༬՚ำ௽‫ྔأ‬ă 1600 3500 1400 3000 1200 2500 2000 UNITS UNITS 1000 800 1500 600 1000 400 –100 –50 0 50 100 150 CMR (μV/V) 0 –0.9 03149-003 0.6 0.9 1500 1200 900 600 –40 –20 0 20 40 60 INPUT OFFSET VOLTAGE (μV) VS = ±15V 5 0 VS = ±5V –5 –10 –15 –15 03149-004 300 10 –10 –5 0 5 10 15 OUTPUT VOLTAGE (V) ཮4. ๼෇฿ۙ‫ۉ‬უ‫ۆڦ‬႙‫ݴ‬ք཮ 03149-007 INPUT COMMON-MODE VOLTAGE (V) 1800 UNITS 0.3 15 2100 ཮7. ๼෇ࠌఇ‫ۉ‬უ‫ྷݔ‬ᇑ๼‫ۉ؜‬უ‫࠲ڦ‬ဣ(G = 1) 15 INPUT COMMON-MODE VOLTAGE (V) 3000 2500 2000 1500 1000 500 –1.0 –0.5 0 0.5 1.0 INPUT BIAS CURRENT (nA) 1.5 10 VS = ±15V 5 0 VS = ±5V –5 –10 –15 –15 03149-005 UNITS 0 ཮6. ๼෇฿ۙ‫ۆڦୁۉ‬႙‫ݴ‬ք཮ 2400 0 –1.5 –0.3 INPUT OFFSET CURRENT (nA) ཮3. CMR‫ۆ‬႙‫ݴ‬ք཮(G = 1) 0 –60 –0.6 –10 –5 0 5 10 15 OUTPUT VOLTAGE (V) ཮5. ๼෇ೋዃ‫ۆڦୁۉ‬႙‫ݴ‬ք཮ ཮8. ๼෇ࠌఇ‫ۉྷݔ‬უᇑ๼‫ۉ؜‬უ‫࠲ڦ‬ဣDŽG = 100Dž Rev. B | Page 9 of 24 03149-008 0 –150 03149-006 500 200 AD8221  0.80 180 0.75 160 0.70 140 0.60 VS = ±5V 0.55 120 GAIN = 10 100 GAIN = 1 60 0.45 40 –10 –5 0 5 10 15 COMMON-MODE VOLTAGE (V) 20 0.1 1 10 100 1k 10k 100k 1M FREQUENCY (Hz) ཮9. IBIAS ᇑCMV‫࠲ڦ‬ဣ ཮12. ኟPSRRᇑೕ୲‫࠲ڦ‬ဣLjRTI (G = 1዁1000) 2.00 180 1.75 160 1.50 140 1.25 1.00 0.75 GAIN = 100 120 GAIN = 10 100 GAIN = 1 80 0.50 60 0.25 40 0 0.01 0.1 1 10 WARM-UP TIME (min) 20 0.1 10 100 1k 10k 100k 1M FREQUENCY (Hz) ཮10. ๼෇฿ۙ‫ۉ‬უՎࣅᇑᇨԢ้क़‫࠲ڦ‬ဣ 5 1 03149-013 NEGATIVE PSRR (dB) GAIN = 1000 03149-010 CHANGE IN INPUT OFFSET VOLTAGE (μV) GAIN = 1000 80 0.50 0.40 –15 GAIN = 100 03149-012 POSITIVE PSRR (dB) VS = ±15V 0.65 03149-009 INPUT BIAS CURRENT (nA) GAIN = 1000 ཮13. ޶PSRRᇑೕ୲‫࠲ڦ‬ဣLjRTI (G = 1዁1000) 100k VS = ±15V TOTAL DRIFT 25°C – 85°C RTI (μV) 4 2 1 INPUT BIAS CURRENT –1 –2 –3 10k BEST AVAILABLE FET INPUT IN-AMP GAIN = 1 1k BEST AVAILABLE FET INPUT IN-AMP GAIN = 1000 AD8221 GAIN = 1 100 –4 –5 –40 AD8221 GAIN = 1000 –20 0 20 40 60 80 100 120 TEMPERATURE (°C) 140 ཮11. ๼෇ೋዃ‫ࢅୁۉ‬฿ۙ‫ୁۉ‬ᇑ࿒‫࠲ڦ܈‬ဣ 10 10 100 1k 10k 100k 1M SOURCE RESISTANCE (Ω) ཮14. ጺ೏ᅎᇑ႑ࡽᇸ‫ۉ‬ፆ‫࠲ڦ‬ဣ Rev. B | Page 10 of 24 10M 03149-014 0 INPUT OFFSET CURRENT 03149-011 INPUT CURRENT (nA) 3 AD8221  70 100 GAIN = 1000 80 60 60 50 GAIN = 100 40 CMR (μV/V) 40 GAIN = 10 20 10 GAIN = 1 0 20 0 –20 –40 –60 –10 –80 –20 1k 10k 100k 1M 10M FREQUENCY (Hz) –100 –40 03149-015 –30 100 –20 CMRR (dB) 120 40 60 80 100 120 140 ཮18. CMRᇑ࿒‫࠲ڦ܈‬ဣ +VS GAIN = 1000 –0 –0.4 INPUT VOLTAGE LIMIT (V) REFERRED TO SUPPLY VOLTAGES 140 20 TEMPERATURE (°C) ཮15. ሺᅮᇑೕ୲‫࠲ڦ‬ဣ 160 0 03149-018 GAIN (dB) 30 GAIN = 100 GAIN = 10 100 GAIN = 1 80 60 –0.8 –1.2 –1.6 –2.0 –2.4 +2.4 +2.0 +1.6 +1.2 +0.8 100 1k 10k 100k 1M FREQUENCY (Hz) +0 0 +VS GAIN = 1000 OUTPUT VOLTAGE SWING (V) REFERRED TO SUPPLY VOLTAGES GAIN = 1 80 60 –0 RL = 10kΩ –0.8 –1.2 RL = 2kΩ –1.6 –2.0 +2.0 +1.6 RL = 2kΩ +1.2 +0.8 RL = 10kΩ +0.4 40 0.1 1 10 100 1k 10k 100k 1M FREQUENCY (Hz) 03149-017 CMRR (dB) 100 20 –0.4 GAIN = 100 GAIN = 10 15 ཮19. ๼෇‫ۉ‬უ၌዆ᇑ‫ۉ‬ᇸ‫ۉ‬უ‫࠲ڦ‬ဣDŽG = 1Dž 160 120 10 SUPPLY VOLTAGE (±V) ཮16. CMRRᇑೕ୲‫࠲ڦ‬ဣ(RTI) 140 5 03149-019 10 –VS –VS ཮17. CMRRᇑೕ୲‫࠲ڦ‬ဣ(RTILj1 kΩ‫ݥ‬਩࢚႑ࡽᇸ) +0 0 5 10 15 SUPPLY VOLTAGE (±V) ཮20. ๼‫ۉ؜‬უӦ‫ޗ‬ᇑ‫ۉ‬ᇸ‫ۉ‬უ‫࠲ڦ‬ဣDŽG = 1Dž Rev. B | Page 11 of 24 20 03149-020 1 03149-016 +0.4 40 0.1 AD8221  30 VS = ±15V 10 0 1 10 100 1k 10k LOAD RESISTANCE (Ω) –10 –8 –6 –4 –2 0 2 4 OUTPUT VOLTAGE (V) 6 8 10 03149-024 ERROR (10ppm/DIV) 20 03149-021 OUTPUT VOLTAGE SWING (V p-p) VS = ±15V ཮24. ሺᅮ‫ݥ‬၍Ⴀ‫(܈‬G = 100LjRL = 10 kΩ) ཮21. ๼‫ۉ؜‬უӦ‫ޗ‬ᇑ޶ሜ‫ۉ‬ፆ‫࠲ڦ‬ဣ +VS –0 VS = ±15V OUTPUT VOLTAGE SWING (V) REFERRED TO SUPPLY VOLTAGES –1 SOURCING ERROR (100ppm/DIV) –2 –3 +3 +2 SINKING 0 1 2 3 4 5 6 7 8 9 10 11 12 OUTPUT CURRENT (mA) –10 03149-022 –VS +0 –8 –6 –4 –2 0 2 4 OUTPUT VOLTAGE (V) 6 8 10 03149-025 +1 ཮25. ሺᅮ‫ݥ‬၍Ⴀ‫)܈‬G = 1000LjRL = 10 kΩ* ཮22. ๼‫ۉ؜‬უӦ‫ޗ‬ᇑ๼‫࠲ڦୁۉ؜‬ဣ)G = 1* 1k ERROR (1ppm/DIV) VOLTAGE NOISE RTI (nV/ Hz) VS = ±15V GAIN = 1 100 GAIN = 10 GAIN = 100 10 GAIN = 1000 –8 –6 –4 –2 0 2 4 OUTPUT VOLTAGE (V) 6 8 10 1 03149-023 –10 1 10 100 1k 10k 100k FREQUENCY (Hz) ཮26. ‫ۉ‬უሯำ೷௢‫܈‬ᇑೕ୲‫࠲ڦ‬ဣ(G = 1዁1000) ཮23. ሺᅮ‫ݥ‬၍Ⴀ‫)܈‬G = 1LjRL = 10 kΩ* Rev. B | Page 12 of 24 03149-026 GAIN = 1000 BW LIMIT 1s/DIV 03149-027 2μV/DIV 5pA/DIV ཮27. 0.1 Hz዁10 Hz RTI‫ۉ‬უሯำ(G = 1) 1s/DIV 03149-030 AD8221  ཮30. 0.1 Hz዁10 Hz‫ୁۉ‬ሯำ 30 VS = ±15V OUTPUT VOLTAGE (V p-p) 25 20 GAIN = 1 GAIN = 10, 100, 1000 15 10 1s/DIV 0 1k 10k 100k 1M FREQUENCY (Hz) ཮28. 0.1 Hz዁10 Hz RTI‫ۉ‬უሯำ(G = 1000) 03149-031 0.1μV/DIV 03149-028 5 ཮31. ‫ٷ‬႑ࡽೕ୲ၚᆌ 5V/DIV 100 10 1 10 100 1k FREQUENCY (Hz) ཮29. ‫ୁۉ‬ሯำ೷௢‫܈‬ᇑೕ୲‫࠲ڦ‬ဣ 10k 7.9μs TO 0.01% 8.5μs TO 0.001% 20μs/DIV 03149-032 0.002%/DIV 03149-029 CURRENT NOISE (fA/ Hz) 1k ཮32. ‫ٷ‬႑ࡽஞ؋ၚᆌᇑॺ૬้क़‫࠲ڦ‬ဣ(G = 1Lj0.002%/ਗ਼‫)܈‬ Rev. B | Page 13 of 24 AD8221  5V/DIV 0.002%/DIV 4.9μs TO 0.01% 5.6μs TO 0.001% ཮33. ‫ٷ‬႑ࡽஞ؋ၚᆌᇑॺ૬้क़‫࠲ڦ‬ဣ(G = 10Lj0.002%/ਗ਼‫)܈‬ 4μs/DIV 03149-036 20μs/DIV 03149-033 20mV/DIV ཮36. ၭ႑ࡽၚᆌ(G = 1LjRL = 2 kΩLjCL = 100 pF) 5V/DIV 0.002%/DIV 10.3μs TO 0.01% 13.4μs TO 0.001% 4μs/DIV ཮34. ‫ٷ‬႑ࡽஞ؋ၚᆌᇑॺ૬้क़‫࠲ڦ‬ဣ(G = 100Lj0.002%/ਗ਼‫)܈‬ 03149-037 20μs/DIV 03149-034 20mV/DIV ཮37. ၭ႑ࡽၚᆌ(G = 10LjRL = 2 kΩLjCL = 100 pF) 5V/DIV 0.002%/DIV 83μs TO 0.01% 112μs TO 0.001% 10μs/DIV ཮35. ‫ٷ‬႑ࡽஞ؋ၚᆌᇑॺ૬้क़‫࠲ڦ‬ဣ(G = 1000Lj0.002%/ਗ਼‫)܈‬ Rev. B | Page 14 of 24 ཮38. ၭ႑ࡽၚᆌ(G = 100LjRL = 2 kΩLjCL = 100 pF) 03149-038 200μs/DIV 03149-035 20mV/DIV AD8221  SETTLING TIME (μs) 1000 2 100 SETTLED TO 0.001% 10 03149-039 100μs/DIV 1 SETTLED TO 0.001% SETTLED TO 0.01% 5 5 10 15 20 03149-040 SETTLING TIME (μs) 10 OUTPUT VOLTAGE STEP SIZE (V) 100 1000 ཮41. ॺ૬้क़ᇑሺᅮ‫࠲ڦ‬ဣ(օ৊‫ٷ‬ၭྺ10 V) 15 0 10 GAIN ཮39. ၭ႑ࡽၚᆌ(G = 1000LjRL = 2 kΩLjCL = 100 pF) 0 1 ཮40. ॺ૬้क़ᇑօ৊‫ٷ‬ၭ‫࠲ڦ‬ဣ(G = 1) Rev. B | Page 15 of 24 03149-041 SETTLED TO 0.01% 20mV/DIV AD8221  ߾ፕᇱ૙ VB I A1 IB COMPENSATION I A2 C1 IB COMPENSATION 10k Ω C2 +VS 10k Ω OUTPUT A3 10k Ω +VS –IN 400Ω Q1 R1 24.7kΩ +VS R2 +VS +VS 24.7k Ω 400Ω Q2 +VS +IN –VS REF 10kΩ RG –VS 03149-042 –VS –VS –VS –VS ཮42. ᇱ૙๖ᅪ཮ AD8221֑ᆩSuperbeta๼෇ৗ༹࠶ࢅIBց‫ݛ׋‬ӄLj໯ᅜਏᆶ टߛ‫ڦ‬๼෇ፆੇĂ‫گ‬IBĂ‫گ‬IB೏ᅎĂ‫گ‬IOSĂ‫گ‬๼෇ೋዃ‫ۉ‬ ୁሯำࢅट‫ۉڦگ‬უሯำ(8 nV/√Hz)༬Ⴀă ᆯᇀ๼෇‫ٷݣ‬ഗ֑ᆩ‫ݒୁۉ‬ઍ঳ࠓLjᅺُAD8221‫ڦ‬ሺᅮ‫ױ੻ټ‬ओࣷໜሺᅮ༵ߛܸሺेLj๑ဣཥփ๴ডߛሺᅮ้‫ۉ‬ უ‫ݒ‬ઍ঳ࠓ٪ሞ‫੻ټ‬໦฿‫ڦ‬ᆖၚă ྺକሞ๼෇‫ۉ‬ೝড‫้گ‬ධీྼ‫ߛ׼‬৛‫܈‬Lj‫ܔ‬AD8221৊ႜ କ৛႐ยऺࢅքਆLj๑ഄႠీ੗஢ፁፌჹ߭‫ڦ‬ᆌᆩᄲ൱ă ‫܀‬༬‫ڦ‬ᆅগಇଚ๑AD8221ሞ10 kHz (G = 1)้‫ڦ‬CMRR‫ڟٳ‬ 80 dBLjሞ1 kHz (G = 1000)้‫ڦ‬CMMR‫ڟٳ‬110 dBăස཮43 ໯๖‫ڦ‬ೝ࢚ᆅগಇଚLj੗३ၭࡗඁࣷ๑CMRRႠీܱࣅ‫ڦ‬ सิၳᆌăُྔLjኄዖႎ๕ᆅগಇଚॽ၎࠲ጽ၍ፇኯሞᅃ ഐLj०ࣅକ‫ۉ‬ୟӱքਆă૩සLjሺᅮยዃ‫ۉ‬ፆᆅগᇑ๼෇ ၎ତLjएጚᆅগሶ৆Ұጣ๼‫؜‬ă AD8221‫ࡧڿدڦ‬ຕྺǖ G = 1+ 49.4 kΩ RG –IN 1 8 +VS RG 2 7 VOUT RG 3 6 REF +IN 4 5 –VS AD8221 TOP VIEW ཮43. ᆅগಇଚ཮ ᆩࢽ੗ᅜཚࡗᅃ߲Քጚ‫ۉ‬ፆൟ຿ܸ৛ඓ‫ں‬ยዃሺᅮă Rev. B | Page 16 of 24 03149-043 AD8221๟ᅃ੼‫ڇ‬ႊೌᅏ՗‫ٷݣ‬ഗLj֑ᆩঢ়‫ڦۆ‬ෙሏ‫ݣ‬ྊ ೫঳ࠓยऺă๼෇ৗ༹࠶Q1ࢅQ2ᅜࠦۨ‫ୁۉ‬ೋዃLjᅺُ ඪࢆֶ‫ݴ‬๼෇႑ࡽ‫ࣷۼ‬๑A1ࢅA2‫ڦ‬๼‫ۉ؜‬უ݀ิ၎ᆌՎ ࣅă๼෇႑ࡽׂิ‫ୁۉ‬ཚࡗRGĂR1ࢅR2Lj๑‫ڥ‬A1ࢅA2‫ڦ‬ ๼‫؜‬ኟඓ‫ۉڦ‬უăٗྊ೫ᅪᅭฉຫLjQ1ĂA1ĂR1ᇑQ2Ă A2ĂR2਩੗๫ྺ৛௢‫ݒୁۉ‬ઍ‫ٷݣ‬ഗăঢ়ࡗ‫ݴֶڦٷݣ‬ ࢅࠌఇ႑ࡽፕᆩᇀֶ‫ٷݣۯ‬ഗLjࢫኁᅞ዆ࠌఇ‫ۉ‬უLj‫ݣڍ‬ ‫ۉݴֶٷ‬უă޿ֶ‫ٷݣۯ‬ഗ֑ᆩ‫ظ‬ႎरຍLj੗ํ၄‫گ‬๼‫؜‬ ฿ۙ‫ۉ‬უत‫گ‬๼‫؜‬฿ۙ‫ۉ‬უ೏ᅎăघ࠼ۙኝ‫ۉ‬ፆ๑ኄ੼ᅏ՗ ‫ٷݣ‬ഗਏᆶ࢔ߛ‫ڦ‬৛‫܈‬Lj‫ۆ‬႙ሺᅮဃֶၭᇀ20 ppmLjCMRR ‫ࡗג‬90 dB (G = 1)ă AD8221  ሺᅮ჋ስ! থ‫ں‬ ॽᅃ߲‫ۉ‬ፆੵথሞRGᆅগฉLjन੗ยዃAD8221‫ڦ‬ሺᅮLj ‫ۉ‬ፆኵऺ໙੗֖੊՗5ई૧ᆩሺᅮࠅ๕ă AD8221‫ڦ‬๼‫ۉ؜‬უ๟၎‫ܔ‬ᇀएጚᆅগฉ‫ۉڦ‬࿋ܸჾ‫ڦ‬Ljᆌ ጀᅪॽREF૶዁၎ᆌ‫ڦ‬ਆևথ‫ں‬ă RG = 49.4 kΩ G −1 ՗ 5. ᆩ1%‫ۉ‬ፆํ၄‫ڦ‬ሺᅮ 1%Քጚ՗RGኵ(Ω) 49.9 k 12.4 k 5.49 k 2.61 k 1.00 k 499 249 100 49.9 ऺ໙‫ڦڟڥ‬ሺᅮኵ 1.990 4.984 9.998 19.93 50.40 100.0 199.4 495.0 991.0 ሞंࢇ႑ࡽ࣍ৣዐLj‫ۉگ‬ೝఇె႑ࡽႴᄲٗߛሯำຕጴ࣍ ৣዐ߰૗‫؜‬ઠăႹ‫ܠ‬ADC‫ۼ‬ਏᆶ‫ڦ܀ڇ‬ఇెথ‫ں‬ᆅগࢅຕ ጴথ‫ں‬ᆅগă໚඗ॽኄଇዖথ‫૶ں‬዁‫ڇ‬ᅃথ‫ݛ࢔ࣷ֫ں‬ ՍLj‫ڍ‬๟ୁঢ়থ‫ں‬၍ࢅPCӱ‫ୁۉڦ‬੗ీࣷᆅഐຕӥࡹ‫ڦޚ‬ ဃֶăᅺُᆌ֑ᆩ‫ݴ‬ਸ‫ڦ‬ఇెࢅຕጴথ‫࣮ں‬ୟLj๑‫௺ٗڥ‬ ߌ‫ୁۅ‬዁ဣཥথ‫ୁۉڦں‬ፌၭă཮44ࢅ཮45๟ଆࡻք၍๖ ૩ă փᆩሺᅮ‫ۉ‬ፆ้LjAD8221ఐණยዃG = 1ăሺᅮ৛‫܈‬ൽਦᇀ RG‫ڦ‬ਨ‫ֶࠅܔ‬ăྔևሺᅮ‫ۉ‬ፆ‫ڦ‬࿒‫܈‬ဣຕ(TC)ࣷሺ‫ٷ‬ᅏ՗ ‫ٷݣ‬ഗ‫ڦ‬ሺᅮ೏ᅎăփᆩሺᅮ‫ۉ‬ፆ้Ljሺᅮဃֶࢅሺᅮ೏ ᅎԍ‫׼‬ፌၭă ৛႐ࡀࣄ‫ۉڦ‬ୟӱքਆ੗ᅜඟဣཥํ၄ፌߛႠీăٗሺᅮ ยዃ‫ۉ‬ፆ‫ڟ‬RGᆅগ‫ڦ‬ጽ၍ᆌ৑੗ీ‫܌‬Ljᅜ๑सิ‫ߌۉ‬ፌ ၭăྺକඓԍइ‫ڥ‬ፌ৛ඓ‫ڦ‬๼‫؜‬LjٗREFᆅগᆅ‫ڦ؜‬ጽ၍ ᆌ૶থ዁AD8221‫ڦ‬ਆևথ‫ں‬Ljස཮46໯๖Ljईኁ૶থ዁ AD8221ਆևথ‫ڦں‬एጚ‫ۉ‬უă 03149-044 քਆ ཮44. AD8221-EVAL‫֫ۥ‬ ࠌఇᅞ዆ AD8221၎‫ܔ‬ᇀೕ୲ਏᆶߛࠌఇᅞ዆Բ(CMRR)Ljኄᅃᆫ๞ ༹၄ሞഄੇ߅ඡ(ස၍ୟሯำतഄၿհ)ႠీԲ‫ۆ‬႙‫ڦ‬ᅏ՗ ‫ٷݣ‬ഗ߸ࡻăཚ‫׉‬ઠຫLjᅏ՗‫ٷݣ‬ഗ‫ڦ‬CMRRࣷٗ200 Hz ਸ๔ူইLjᅃӯ੗ᆩࠌఇ୳հഗઠ௜ցኄᅃඍ။ăAD8221 ీࠕሞ߸‫ٷ‬ೕ୲‫ాྷݔ‬ᅞ዆CMRRLjᅺܸই‫گ‬କ‫୳ܔ‬հ‫ڦ‬ Ⴔ൱ă 03149-045 ଆࡻ‫ڦ‬ք၍ᆶዺᇀԍ‫׼‬AD8221၎‫ܔ‬ᇀೕ୲‫ࠌߛڦ‬ఇᅞ዆ Բă๼෇ᇸፆੇࢅ‫ۉ‬ඹᆌ‫ړ‬ჹ߭೅ದăُྔLj႑ࡽᇸ‫ۉ‬ፆ ࢅ‫ۉ‬ඹᆌሞሎႹ‫ాྷݔڦ‬৑੗ీ੍ৎ๼෇ă ཮45. AD8221-EVAL‫֫ڹ‬ Rev. B | Page 17 of 24 AD8221  +VS एጚᆅগ ස཮42໯๖LjएጚᆅগREF࿋ᇀᅃ߲10 kΩ‫ۉ‬ፆ‫ڦ‬ᅃ‫܋‬ăᅏ ՗‫ٷݣ‬ഗ‫ڦ‬๼‫؜‬ᅜREFᆅগฉ‫ۉڦ‬უྺएጚLjኄሞ๼‫؜‬႑ ࡽႴᄲೋᅎ‫ڟ‬৛ඓ‫ڦ‬ዐक़‫ۉ‬ᇸ‫ۉ‬ೝ้ࣷ࢔ᆶᆩă૩සLj੗ ᅜॽᅃ߲‫ۉ‬უᇸᇑREFᆅগ၎૶Lj‫ܔ‬๼‫؜‬৊ႜ‫ۉ‬ೝገ࣑Lj ๑AD8221੗ᅜᇑADCํ၄থ੨ăඹႹ‫ڦ‬एጚ‫ۉ‬უ‫ྷݔ‬ᇑ ሺᅮĂ๼෇ࢅ‫ۉ‬ᇸ‫ۉ‬უ‫ࡧװ‬ຕ࠲ဣăREFᆅগփᆌߛ‫؜‬+VS ई–VS 0.5 Vᅜฉă AD8221 REF –VS TRANSFORMER ྺକइ‫ڥ‬ፌॅႠీLjREFᆅগᆌԍ‫׼‬ড‫ڦگ‬ᇸፆੇLjᅺྺ सิ‫ۉ‬ፆࣷ๑CMRRࢅሺᅮ৛‫ࣅܱ܈‬ă +VS ‫ۉ‬ᇸۙኝᇑಖୟ AD8221 ኄ੼ᅏ՗‫ٷݣ‬ഗᆌ‫֑ړ‬ᆩ࿘ۨ‫ڦ‬኱ୁ‫ۉ‬უࠃ‫ۉ‬ă‫ۉ‬ᇸᆅগ ฉ‫ڦ‬ሯำࣷ๑ഗॲႠీܱࣅăᆌ‫ړ‬ᆩಖୟ‫ۉ‬ඹઠඁ᳘ă REF ੍ৎ߳‫ۉ‬ᇸᆅগ‫ت‬ᆌ‫ړ‬ದዃᅃ߲0.1 μF‫ۉ‬ඹăස཮46໯๖Lj ૗޿ഗॲডᇺ‫ڦ‬࿋ዃ੗ᅜᆩᅃ߲10 μF᮳‫ۉ‬ඹă‫ܠٷ‬ຕ൧઄ ူLjഄ໲৛௢ण‫ۉׯ‬ୟ੗ᅜࠌၛ޿᮳‫ۉ‬ඹă –VS THERMOCOUPLE +VS +VS C 0.1μF R fHIGH-PASS = 2π1RC 10μF AD8221 C REF +IN –VS LOAD CAPACITOR COUPLED REF –IN 03149-047 R VOUT AD8221 ཮47. ‫ॺظ‬ᅃཉIBIAS ‫࣮ݓ‬ୟ০ –VS 10μF 03149-046 ๼෇ԍࢺ 0.1μF ཮46. ‫ۉ‬ᇸඁ᳘ĂREFत๼‫؜‬ᅜਆևথ‫ྺں‬एጚ ๼෇ೋዃ‫࣮ୁۉ‬ୟ AD8221‫ڦ‬๼෇ೋዃ‫ୁۉ‬ՂႷᆶᅃ߲ࠅࠌ‫࣮ݓڦ܋‬ୟ০ă‫ړ‬ ඤ‫ۉ‬౾‫ڪ‬႑ࡽᇸ࿮݆༵ࠃ‫࣮ୁۉ‬ୟ้LjՂႷ‫ॺظ‬ᅃཉ‫࣮ݓ‬ ୟ০Ljස཮47໯๖ă AD8221‫ڦ‬໯ᆶᆅগ਩༵ࠃ1 kVට༹ఇ႙ESDԍࢺăُྔLj ๼෇঳ࠓ੊୯କ޶‫ۉ‬ᇸ−VSᅜူ‫ڦ‬኱ୁࡗሜ൧઄Ǘ‫ิ݀ړ‬ ޶‫ۉ‬ᇸࠤቱ้Ljాև400 Ω‫ۉ‬ፆ੗ᅜ၌዆‫ୁۉ‬ăփࡗLj‫ܔ‬ᇀ ኟ‫ۉ‬ᇸ+VSᅜฉ‫ڦ‬኱ୁࡗሜ‫ۉ‬უLj‫ॽୁۉٷ‬኱থཚࡗESDܾ ट࠶ୁ዁ኟࡆăᅺُLj‫ܔ‬ᇀ+VSᅜฉ‫ۉڦ‬უLjᆌ‫ړ‬ᆩᅃ߲ ᇑ๼෇‫ྔڦ૴ز‬և‫ۉ‬ፆઠ၌዆‫ୁۉ‬ă࿮ஃ๟నᅃዖ൧઄Lj AD8221਩ీҾඇ‫تں‬૙‫׼‬Ⴤ‫ڦ‬6 mA‫ୁۉ‬ǖ‫ܔ‬ᇀኟࡗუ൧ ઄LjI = VIN/REXTǗ‫ܔ‬ᇀ޶ࡗუ൧઄LjI = VIN/(400 Ω + REXT)ă ‫ܔ‬ᇀAD8221ࣷᇜ‫ڟ‬ट‫ࡗ܋‬ሜ‫ۉ‬უ‫ڦ‬ᆌᆩLj૩ස႐ሤ‫ׄأ‬ഗ ‫ ڪ‬Lj ᆌ ‫ ړ‬ᆩ ྔ և ‫ ۉ ૴ ز‬ፆ ࢅ ‫ گ‬ႅ ୑ ܾ ट ࠶ ഭ ࿋ (ස BAV199LĂFJH1100ईSP720)ă Rev. B | Page 18 of 24 AD8221  RF߅ඡ CDᆖၚֶ‫ۯ‬႑ࡽLjCCᆖၚࠌఇ႑ࡽăᆌ๢‫ړ‬჋ስRࢅCC‫ڦ‬ ኵLj๑พೕ߅ඡፌၭăኟ๼෇‫܋‬ᇑ޶๼෇‫܋‬R × CC‫ڦ‬փ೅ದ ࣷই‫گ‬AD8221‫ڦ‬CMRRႠీă๑CD‫ڦ‬ኵԲCC‫ٷ‬ᅃ߲ຕଉ पLj੗ᅜই‫گ‬փ೅ದ‫ڦ‬ᆖၚLjܸٗ߀฀Ⴀీă ሞᆶഽRF႑ࡽ‫ڦ‬ᆌᆩዐ๑ᆩ‫ٷݣ‬ഗ้Ljᅃӯ‫ۼ‬٪ሞRFኝୁ ࿚༶ăኄዖ߅ඡ੗ీࣷ՗၄ྺডၭ‫ڦ‬኱ୁ฿ۙ‫ۉ‬უăߛೕ ႑ࡽ੗ᅜཚࡗᅏ՗‫ٷݣ‬ഗ๼෇‫گڦ܋‬ཚRCྪஏ୳‫أ‬Ljස཮ 48໯๖ă୳հഗߵ਍ᅜူ࠲ဣ๕‫ܔ‬๼෇႑ࡽ‫े੻ټ‬ᅜ၌ ዆ǖ FilterFreqDiff = 1 2πR(2CD + CC ) FilterFreqCM = 1 2πRCC ৛௢ᆌՎऺ AD8221‫گڦ‬฿ۙࢅ੻ೕ୲‫ࠌߛڦాྷݔ‬ఇᅞ዆Բ๑ኮ‫ྺׯ‬ ൃ๕֪ଉᆌᆩ‫ڦ‬ਨॅ჋ስăස཮49໯๖Lj‫ൃۉ‬੗ᅜ኱থ૶ ዁‫ٷݣ‬ഗ‫ڦ‬๼෇ă +5V ഄዐCD ≥ 10CCă 350Ω 350Ω 350Ω 350Ω 0.1μF +IN +15V 0.1μF –IN R +IN ཮49. ৛௢ᆌՎऺ 10nF R1 499 Ω ኍ‫ܔ‬+5 Vֶ‫ݴ‬๼෇ADC‫ڦ‬±10 V๼෇႑ࡽۙ૙ VOUT AD8221 R Ⴙ‫ܠ‬ᆌᆩ‫ۼ‬Ⴔᄲ‫ܔ‬±10 V႑ࡽ৊ႜۙ૙ă‫ڍ‬๟Lj‫ڦৃړ‬Ⴙ‫ܠ‬ ADCࢅຕጴIC‫֑ۼ‬ᆩ‫ۉ‬უ࢔‫ۉڇڦگ‬ᇸࠃ‫ۉ‬ăُྔLjႎ႙ ADCᄺ֑ᆩֶ‫ݴ‬๼෇Ljᅺྺֶ‫ݴ‬๼෇ీ༵ࠃ߸ࡻ‫ࠌڦ‬ఇᅞ ዆ĂੇሯႠࢅ‫ۉگ‬ᇸ‫ۉ‬უႠీăᅺُLjॽ±10 V‫܋ڇ‬ᅏ՗‫ݣ‬ ‫ٷ‬ഗᇑ+5 Vֶ‫ݴ‬ADCথ੨ࣷ๟߲వ༶LjႴᄲ৊ႜປ३ࢅ‫ۉ‬ ೝገ࣑‫ت‬૙ă཮50༵ࠃକᅃዖ঴ਦ‫ݛ‬ӄă REF 4.02kΩ –IN 1nF 10μF 0.1μF –15V 03149-048 CC ཮48. พೕ߅ඡ(RFI)ᅞ዆ +12V +2.5V +12V 10μF R3 1kΩ 0.1μF +12V 0.1μF C1 470pF 0.1μF +IN AD8022 +5V R6 27.4Ω AD8221 REF –IN R1 10kΩ 10nF –12V –12V R5 499Ω DVDD AD7723 C2 220μF +12V VIN(–) AGND DGND REF1 REF2 0.1μF 0.1μF 0.1μF AVDD 0.1μF OP27 R2 10kΩ +5V (½) VIN(+) 10μF +2.5V 1nF 4.02kΩ CD – R7 27.4Ω –12V R4 1kΩ AD8022 (½) 220nF 0.1μF –12V 10nF +5V +VIN 10μF 0.1μF VOUT AD780 GND ཮50. ᇑֶ‫ݴ‬๼෇ADCথ੨ Rev. B | Page 19 of 24 2.5V 22μF 03149-050 CC AD8221 R 10μF + 03149-049 10μF AD8221  ሞ޿ྊ೫঳ࠓዐLjOP27ยዃAD8221‫ڦ‬एጚ‫ۉ‬უăᅏ՗‫ݣ‬ ‫ٷ‬ഗ‫ڦ‬๼‫؜‬႑ࡽٗOUTᆅগࢅREFᆅগฉइ‫ڥ‬ăଇ߲1 kΩ ‫ۉ‬ፆࢅᅃ߲499 Ω‫ۉ‬ፆᆩઠॽ±10 V႑ࡽປ३዁+4 Văᅃ߲ ੗჋‫ۉڦ‬ඹC1੗ᆩઠ؊‫୳۠ंੇړ‬հഗăAD8022ᆩઠൻ ‫ۯ‬ADCă ড‫گ‬LjՍ੗֪ଉডၭ‫ڦ‬႑ࡽăঢ়ࡗ100Ԡ‫ڦٷݣ‬኱ୁ฿ۙ ‫ۉ‬უ੗ཚࡗओ‫ݴ‬ഗ‫ݒ‬ઍྪஏሞAD8221‫ڦ‬๼‫܋؜‬ၩ‫أ‬ă ሞ‫گ‬ೕ้LjOP1177ࣷ๑AD8221‫ڦ‬๼‫؜‬ই዁0 Văᅃ‫ڋ‬႑ࡽೕ ୲‫ࡗג‬fHIGH-PASSLjAD8221Ս๼‫؜‬ঢ়ࡗ‫ڦٷݣ‬๼෇႑ࡽă ُྊ೫঳ࠓਏᆶ࿵‫ٷ‬ᆫ‫ۅ‬ă‫ۉأ‬ೝገ࣑ࢅປ३ኮྔLj໲‫ܔ‬ ဣཥሯำ‫ࠋڦ‬၅‫׉ݥ‬ၭăઠጲR1ࢅR2‫ڦ‬ሯำຌᇀADCଇୟ ๼෇‫ࠌڦ‬ఇሯำLj࢔ඹᅟԥᅞ዆ăR5‫ڦ‬ሯำ๟ዷᄲሯำ‫ڦ‬ 1/3Ljᅺُ‫ܔ‬ဣཥሯำ‫ڦ‬ᆖၚ੗ࢮ୼ăປ३ഗࣷ໫ၭR3ࢅ R4‫ڦ‬ሯำLjᅺُഄሯำᆖၚཞᄣ੗ࢮ୼փऺăُথ੨‫ۉ‬ୟ ‫ ٷ ຺ ڼ ڦ‬ᆫ ‫ ۅ‬๟ AD8221‫ ֑ ڦ‬ण ้ क़ ໫ ३ ᅃ Ԡ ă ঺ ዺ OP27LjAD8221ኻႴ༵ࠃඇӦ‫ڦޗ‬ᅃӷ๼‫؜‬Ljᅺܸ႑ࡽ੗ ᅜ߸੺‫ॺں‬૬ăፌࢫLjAD8022‫ॺڦ‬૬้क़࢔‫܌‬Ljኄᅃ‫࢔ۅ‬ ᆶᅮLjᅺྺॺ૬้क़ሁ‫܌‬LjADC֑णຕ਍้ీ‫ݴ‬Ր‫ڦ‬࿋ຕ ৽ሁ‫ܠ‬ăኄዖದዃփৈ༵ࠃକປ३Ă‫ۉ‬ೝገ࣑Ăᇑֶ‫ݴ‬๼ ෇ADCথ੨‫ݛ‬Ս‫ڦ‬༬ႠLjཞ้࣏ీԍ‫ߛ׼‬Ⴀీă +VS 0.1μF +IN fHIGH-PASS = R 499Ω 1 2πRC AD8221 REF –IN R 15.8kΩ C 1μF +VS ঍ୁ᳘ࢇᅏ՗‫ٷݣ‬ഗ 0.1μF 0.1μF ֪ଉ‫ٷݣ‬ഗᆆ֠ሞሯำई฿ۙዐ‫ڦ‬ၭ႑ࡽ๟ᅃ߲཈቟ă཮ 51໯๖‫ۉڦ‬ୟ੗ᅜ߀฀঍ୁၭ႑ࡽ‫ݴ‬Ր୲ăড‫ٷ‬ሺᅮ੗ॽ ‫ٷݣ‬ഗ‫ڦ‬ችࢇ๼෇ሯำই዁8 nV/√HzăኄᄣLjᅺྺԨ‫ڹ‬ሯำ –VS OP1177 10μF –VS 10μF 0.1μF –VS ཮51. ঍ୁ᳘ࢇ‫ۉ‬ୟ Rev. B | Page 20 of 24 03149-051 +VS AD8221  ྔႚ؅٫ 3.20 3.00 2.80 8 3.20 3.00 2.80 5.15 4.90 4.65 5 1 4 PIN 1 0.65 BSC 0.95 0.85 0.75 0.15 0.00 1.10 MAX 0.38 0.22 COPLANARITY 0.10 0.80 0.60 0.40 8° 0° 0.23 0.08 SEATING PLANE COMPLIANT TO JEDEC STANDARDS MO-187-AA ཮52. 8ᆅগ‫ג‬ၭ႙‫ހ‬ጎ[MSOP] (RM-8) ཮๖؅٫‫ڇ‬࿋ǖࡹ௝ 5.00 (0.1968) 4.80 (0.1890) 8 1 5 4 1.27 (0.0500) BSC 0.25 (0.0098) 0.10 (0.0040) COPLANARITY 0.10 SEATING PLANE 6.20 (0.2441) 5.80 (0.2284) 1.75 (0.0688) 1.35 (0.0532) 0.51 (0.0201) 0.31 (0.0122) 0.50 (0.0196) 0.25 (0.0099) 45° 8° 0° 0.25 (0.0098) 0.17 (0.0067) 1.27 (0.0500) 0.40 (0.0157) COMPLIANT TO JEDEC STANDARDS MS-012-A A CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS (IN PARENTHESES) ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN. ཮53. 8ᆅগՔጚၭ႙‫ހ‬ጎ[SOIC_N] ቏༹ (R-8) ཮๖؅٫‫ڇ‬࿋ǖࡹ௝ࢅ(ᆈ٫) Rev. B | Page 21 of 24 012407-A 4.00 (0.1574) 3.80 (0.1497) AD8221  ۩ࠔኸళ ႙ࡽ AD8221AR AD8221AR-REEL AD8221AR-REEL7 AD8221ARZ 2 AD8221ARZ-R72 AD8221ARZ-RL2 AD8221ARM AD8221ARM-REEL AD8221ARM REEL7 AD8221ARMZ2 AD8221ARMZ-R72 AD8221ARMZ-RL2 AD8221BR AD8221BR-REEL AD8221BR-REEL7 AD8221-EVAL 1 2 ‫ۨܮ‬࿒‫ྷݔ܈‬ –40°C዁+85°C –40°C዁+85°C –40°C዁+85°C –40°C዁+85°C –40°C዁+85°C –40°C዁+85°C –40°C዁+85°C –40°C዁+85°C –40°C዁+85°C –40°C዁+85°C –40°C዁+85°C –40°C዁+85°C –40°C዁+85°C –40°C዁+85°C –40°C዁+85°C ߾ፕ1࿒‫ྷ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 –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 –40°C዁+125°C ‫ހ‬ጎ௮ຎ 8ᆅগ!SOIC_N 8ᆅগ!SOIC_NLj13"ਝ‫ࢅټ‬ਝಎ 8ᆅগ!SOIC_NLj7"ਝ‫ࢅټ‬ਝಎ 8ᆅগ!SOIC_N 8ᆅগ!SOIC_NLj7"ਝ‫ࢅټ‬ਝಎ 8ᆅগ!SOIC_NLj13"ਝ‫ࢅټ‬ਝಎ 8ᆅগ!MSOP 8ᆅগ!MSOPLj13"ਝ‫ࢅټ‬ਝಎ 8ᆅগ!MSOPLj7"ਝ‫ࢅټ‬ਝಎ 8ᆅগ!MSOP 8ᆅগ!MSOPLj7"ਝ‫ࢅټ‬ਝಎ 8ᆅগ!MSOPLj13"ਝ‫ࢅټ‬ਝಎ 8ᆅগ!SOIC_N 8ᆅগ!SOIC_NLj13"ਝ‫ࢅټ‬ਝಎ 8ᆅগ!SOIC_NLj7"ਝ‫ࢅټ‬ਝಎ ೠࠚӱ ൩֖੊ሞ85°C዁125°C‫߾ాྷݔ‬ፕ‫ۆڦ‬႙߾ፕ༬Ⴀă Z = RoHSग़ඹഗॲLj#՗๖RoHSग़ඹഗॲ‫ׂڦ‬೗੗ీሞ‫ۥ‬ևई‫ڹ‬և৊ႜՔ๎ă Rev. B | Page 22 of 24 ‫ހ‬ጎ჋ၜ R-8 R-8 R-8 R-8 R-8 R-8 RM-8 RM-8 RM-8 RM-8 RM-8 RM-8 R-8 R-8 R-8 Ք๎ JLA JLA JLA JLA# JLA# JLA# AD8221  ጀ๥ Rev. B | Page 23 of 24 AD8221  ጀ๥ ©2003–2007 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D03149–0–9/07(B) Rev. B | Page 24 of 24