AD7190WBRUZ

4.8 kHz‫گג‬ሯำ24࿋ ∑-Δ ADCLjాዃPGA AD7190  ༬Ⴀ ᆌՎऺ‫ߌد‬ഗ ਩‫ߵݛ‬ሯำǖ8.5 nV (4.7 Hz, G = 128) უ૰֪ଉ 16࿋࿮ሯำ‫ݴ‬Ր୲ (2.4 kHz, G = 128) ࿒‫֪܈‬ଉ ፌߛ22.5࿋࿮ሯำ‫ݴ‬Ր୲ (G = 1) ෥೷ᅏ ฿ۙ೏ᅎǖ5 nV/°C PLC/DCSఇె๼෇ఇ੷ ሺᅮ೏ᅎǖ1 ppm/°C ຕ਍֑ण ࿘ۨ‫้ڦ‬क़೏ᅎ༬Ⴀ ᅅଐᇑ੔ბᅏഗ 2ֶ߲‫ݴ‬/4߲࿁ֶ‫ݴ‬๼෇ཚ‫ڢ‬ ጲ‫ۯ‬ཚ‫ڢ‬Ⴞଚഗ ߁ຎ ੗Պ‫ײ‬ሺᅮ(1዁128) AD7190๟ᅃ੼๢ࢇߛ৛௢֪ଉᆌᆩ‫گڦ‬ሯำྜኝఇెമ ๼‫؜‬ຕ਍໏୲ǖ4.7 Hz዁4.8 kHz ‫܋‬Ljాዃᅃ߲‫گ‬ሯำĂ24࿋Σ-Δఇຕገ࣑ഗ(ADC)ăೌా‫گ‬ ాևईྔև้ዓ ሯำ੗Պ‫ײ‬ሺᅮपᅪ࿆ጣ੗኱থ๼෇ၭ႑ࡽă 50 Hz/60 Hzཞ้ᅞ዆ ኄ੼ഗॲ੗ದዃྺଇୟֶ‫ݴ‬๼෇ई຺ୟ࿁ֶ‫ݴ‬๼෇ăೌా 4ୟཚᆩຕጴ๼‫؜‬ ཚ‫ڢ‬Ⴞଚഗ੗ᅜ๑ీ‫߲ܠ‬ཚ‫ڢ‬LjAD7190ӀຩႾሞ߳๑ీཚ ‫ۉ‬ᇸ‫ۉ‬უ ‫ڢ‬ฉኴႜገ࣑ăኄ੗ᅜ०ࣅᇑഗॲ‫ڦ‬ཚ႑ăೌా4.92 MHz้ AVDDǖ4.75 V዁5.25 V ዓ੗ᅜᆩፕADC‫้ڦ‬ዓᇸǗईኁLjᄺ੗ᅜ๑ᆩྔև้ዓईৗ DVDDǖ2.7 V዁5.25 V ናăഗॲ‫ڦ‬๼‫؜‬ຕ਍໏୲੗ሞ4.7 Hz዁4.8 kHz‫ాྷݔ‬Վࣅă ‫ୁۉ‬ǖ6 mA ࿒‫ྷݔ܈‬ǖ–40°C዁+105°C ኄ੼ഗॲ༵ࠃଇዖຕጴ୳հഗ჋ၜă୳հഗ‫ڦ‬჋ስࣷᆖၚ থ੨ ᅜՊ‫ײ‬๼‫؜‬ຕ਍໏୲߾ፕ้‫ڦ‬਩‫ߵݛ‬ሯำࢅ࿮ሯำ‫ݴ‬Ր ! ෙ၍๕‫ز‬ႜথ੨ ୲Ăॺ૬้क़ᅜत50 Hz/60 Hzᅞ዆ăኍ‫ܔ‬ᄲ൱໯ᆶገ࣑਩ॺ SPIĂQSPI™ĂMICROWIRE™ࢅDSPग़ඹ ૬‫ڦ‬ᆌᆩLjAD7190ਏᆶଭჽ‫׿‬༬Ⴀă SCLKฉྺแ௢༬‫݀ة‬ഗ ኄ੼ഗॲ֑ᆩ5 Vఇె‫ۉ‬ᇸࢅ2.7 V዁5.25 Vຕጴ‫ۉ‬ᇸࠃ‫ۉ‬Lj ᆌᆩ ࠀࡼྺ6 mALj༵ࠃ24ᆅগTSSOP‫ހ‬ጎă ‫ۉ‬ጱ‫׹‬ ࠀీ઀཮ AGND AVDD DVDD DGND REFIN1(+) REFIN1(–) REFERENCE DETECT AD7190 AIN1 AIN2 AIN3 AIN4 AINCOM MUX Σ-Δ ADC PGA SERIAL INTERFACE AND CONTROL LOGIC DOUT/RDY DIN SCLK CS SYNC TEMP SENSOR P3 P2 BPDSW AGND MCLK1 MCLK2 P0/REFIN2(–) P1/REFIN2(+) 07640-001 CLOCK CIRCUITRY ཮1 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 ©2008–2009 Analog Devices, Inc. All rights reserved. ADIዐ࿔Ӳຕ਍๮֩๟ᆈ࿔Ӳຕ਍๮֩‫ڦ‬ᅳ࿔Lj৤൩ଌ঴‫݋‬ᅳዐ੗ీ٪ሞ‫ڦ‬ᇕჾፇኯई‫݋‬ᅳ‫ٱ‬ဃLjADIփ‫݋ܔ‬ᅳዐ٪ሞ‫ֶڦ‬ᅴईᆯׂُิ‫ٱڦ‬ဃ޶ሴăසႴඓණඪࢆَᇕ‫ڦ‬ጚඓႠLj൩֖੊ADI༵ࠃ ‫ڦ‬ፌႎᆈ࿔Ӳຕ਍๮֩ă AD7190 ణ୤ ༬Ⴀ ................................................................................................... 1 ! ᆌᆩ ................................................................................................... 1 ADC‫ۉ‬ୟ႑တ ............................................................................... 26 ஢ଉ‫ײ‬स٪ഗ ....................................................................... 25 ߁ຎ ................................................................................................... 1 ! ߁ຎ ......................................................................................... 26 ࠀీ઀཮ ........................................................................................... 1 ! ୳հഗĂ๼‫؜‬ຕ਍໏୲Ăॺ૬้क़ ................................ 26 ຕጴথ੨ ................................................................................ 29 Ⴊ۩૦๏ ........................................................................................... 2 ! रຍࡀ߭ ........................................................................................... 3 ‫ۉ‬ୟ௮ຎ ........................................................................................ 33 ้Ⴞ༬Ⴀ .................................................................................. 7 ఇె๼෇ཚ‫ ڢ‬....................................................................... 33 ‫ۉ‬ୟᇑ้Ⴞ཮ ......................................................................... 7 ! ਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵ ............................................................................. 9 ! ! PGA ......................................................................................... 33 ມटႠ/‫ڇ‬टႠದዃ ............................................................. 33 ඤፆ ........................................................................................... 9 ຕ਍๼‫؜‬Պஓ ....................................................................... 33 ESDয়ߢ ................................................................................... 9 ้ዓ ......................................................................................... 33 ᆅগದዃतࠀీ௮ຎ ................................................................... 10 ! घ૤‫ ୁۉ‬................................................................................ 34 ‫ۆ‬႙߾ፕ༬Ⴀ ................................................................................ 12 ! एጚ‫ۉ‬უ ................................................................................ 34 ਩‫ߵݛ‬ሯำᇑ‫ݴ‬Ր୲ ................................................................... 15 ! एጚ‫ۉ‬უॠ֪ ....................................................................... 34 4 ! ް࿋ ......................................................................................... 34 3 ! ဣཥཞօ ................................................................................ 35 4 ! ! Sinc ቘհ্ᆩ ....................................................................... 15 Sinc ቘհ্ᆩ ....................................................................... 16 ! Sinc ቘհ๑ీ ....................................................................... 17 ! ࿒‫ߌد܈‬ഗ ............................................................................ 35 ! Sinc3ቘհ๑ీ ....................................................................... 18 ! ‫܏࠲ൃۉ‬ਸ࠲ ....................................................................... 35 ೌాस٪ഗ .................................................................................... 19 ! இड๼‫ ؜‬................................................................................ 35 ! ཚ႑स٪ഗ ............................................................................ 19 ! ๑ీആ౾ၯᄓ ....................................................................... 36 ! ጒༀस٪ഗ ............................................................................ 20 ! ၯጚ ......................................................................................... 36 ! ఇ๕स٪ഗ ............................................................................ 20 ! থ‫ࢅں‬քਆ ............................................................................ 37 ! ದዃस٪ഗ ............................................................................ 22 ᆌᆩ႑တ ........................................................................................ 38 ຕ਍स٪ഗ ............................................................................ 24 ! ‫ۉ‬ጱ‫ ׹‬.................................................................................... 38 IDस٪ഗ ................................................................................ 24 ྔႚ؅٫ ........................................................................................ 39 ! GPOCONस٪ഗ .................................................................. 24 ۩ࠔኸళ ................................................................................ 39 ! ฿ۙस٪ഗ ............................................................................ 25 Ⴊ۩૦๏ 2009౎5ሆ—Ⴊ۩ӲA዁Ⴊ۩ӲB 　　　　　　　　　　　 Ⴊ߀՗21 ......................................................................................... 25 Ⴊ߀՗3 ............................................................................................. 9 Ⴊ߀“୳հഗĂ๼‫؜‬ຕ਍໏୲Ăॺ૬้क़”և‫ ݴ‬................... 26 2009౎5ሆ—Ⴊ۩Ӳ0዁Ⴊ۩ӲA 　　　　　　　　　　　 Ⴊ߀“૶Ⴤገ࣑ఇ๕”և‫ ݴ‬........................................................... 31 Ⴊ߀՗1 ............................................................................................. 3 Ⴊ߀“ఇె๼෇ཚ‫“ࢅ”ڢ‬ມटႠ/‫ڇ‬टႠದዃ”և‫ ݴ‬.............. 33 Ⴊ߀՗3ࢅ՗4 .................................................................................. 9 Ⴊ ߀ “घ ૤ ‫” ୁ ۉ‬Ă “ए ጚ ‫ ۉ‬უ ”Ă “ए ጚ ‫ ۉ‬უ ॠ ֪ ”ࢅ Ⴊ߀՗5 ........................................................................................... 10 “ް࿋”և‫ ݴ‬..................................................................................... 34 Ⴊ߀՗6ࢅ՗7 ................................................................................ 15 Ⴊ߀“࿒‫ߌد܈‬ഗ”և‫ ݴ‬............................................................... 35 Ⴊ߀“ጒༀस٪ഗ”և‫ ݴ‬............................................................... 20 Ⴊ߀“ၯጚ”և‫ ݴ‬............................................................................ 36 Ⴊ߀՗17 ......................................................................................... 21 Ⴊ߀“থ‫ࢅں‬քਆ”և‫ ݴ‬............................................................... 37 Ⴊ߀՗19 ......................................................................................... 23 Ⴊ߀“‫ۉ‬ጱ‫”׹‬և‫ ݴ‬........................................................................ 38 Ⴊ߀՗20 ......................................................................................... 24 Ⴊ߀“۩ࠔኸళ”և‫ ݴ‬................................................................... 39 ሺे“IDस٪ഗ”և‫ ݴ‬................................................................... 24 2008౎10ሆ—Ⴊ۩Ӳ0ǖ‫؛‬๔Ӳ Rev. B | Page 2 of 40 　　　　　　　　　　　 AD7190  रຍࡀ߭ AVDD = 4.75 V዁5.25 VLjDVDD = 2.7 V዁5.25 VLjAGND = DGND = 0 VLjREFINx(+) = AVDD LjREFINx(−) = AGNDLj MCLK = 4.92 MHzLjTA = TMIN዁TMAXLj༬՚ำ௽‫ྔأ‬ă ՗1 ֖ຕ ADC ๼‫؜‬ຕ਍໏୲ ࿮฿ஓ2 ‫ݴ‬Ր୲ ਩‫ߵݛ‬ሯำᇑ๼‫؜‬ຕ਍໏୲ ओ‫ݥݴ‬၍Ⴀ AD7190B ‫ڇ‬࿋ ֪๬ཉॲ/ጀ๥1 4.7዁4800 1.17዁1200 1.56዁1600 24 24 ֖९“਩‫ߵݛ‬ሯำᇑ ‫ݴ‬Ր୲”և‫ݴ‬ ֖९“਩‫ߵݛ‬ሯำᇑ ‫ݴ‬Ր୲”և‫ݴ‬ ±5 HzLjՔ‫׬‬ኵ HzLjՔ‫׬‬ኵ HzLjՔ‫׬‬ኵ ࿋Ljፌၭኵ ࿋Ljፌၭኵ ቘհ্ᆩ ቘհ๑ీLjsinc4୳հഗ ቘհ๑ీLjsinc3୳հഗ FS > 1Ljsinc4୳հഗ3 FS > 4Ljsinc3୳հഗ3 ஢ଉ‫ڦྷݔײ‬ӥྤ ‫(୲ݴ‬ppm)Ljፌ‫ٷ‬ኵ ஢ଉ‫ڦྷݔײ‬ӥྤ ‫(୲ݴ‬ppm)Ljፌ‫ٷ‬ኵ ‫ۆ‬႙ኵ±1 ppmLjሺᅮ = 1 ±15 ฿ۙဃֶ4, 5 ฿ۙဃֶ೏ᅎᇑ࿒‫࠲ڦ܈‬ဣ5 ฿ۙဃֶ೏ᅎᇑ้क़‫࠲ڦ‬ဣ ሺᅮဃֶ4 ሺᅮ೏ᅎᇑ࿒‫࠲ڦ܈‬ဣ ሺᅮ೏ᅎᇑ้क़‫࠲ڦ‬ဣ ‫ۉ‬ᇸᅞ዆ ࠌఇᅞ዆ @ DC @ 50 Hz, 60 Hz2 @ 50 Hz, 60 Hz2 ‫ز‬ఇᅞ዆2 Sinc4୳հഗ ాև้ዓ @ 50 Hz, 60 Hz @ 50 Hz @ 60 Hz ‫ۆ‬႙ኵ±5 ppmLjሺᅮ > 1 ±75/ሺᅮ ±0.5 ±100/ሺᅮ ±5 ±5 25 μVLj‫ۆ‬႙ኵ μVLj‫ۆ‬႙ኵ nV/°CLj‫ۆ‬႙ኵ nV/°CLj‫ۆ‬႙ኵ nV/°CLj‫ۆ‬႙ኵ nV/1000ၭ้Lj ‫ۆ‬႙ኵ ቘհ্ᆩ ቘհ๑ీ ሺᅮ = 1዁16Ljቘհ্ᆩ ሺᅮ = 32዁128Ljቘհ্ᆩ ቘհ๑ీ ሺᅮ ≥ 32 ±0.005 ±0.0075 ±1 10 %Ljፌ‫ٷ‬ኵ %Lj‫ۆ‬႙ኵ ppm/°CLj‫ۆ‬႙ኵ ppm/1000ၭ้Lj ‫ۆ‬႙ኵ ‫ۆ‬႙ኵ±0.001%Ljሺᅮ = 1LjAVDD = 5 V6 ሺᅮ > 1Ljాև஢ଉ‫ײ‬ၯጚኮࢫ 95 100 dBLj‫ۆ‬႙ኵ dBLjፌၭኵ ሺᅮ = 1LjVIN = 1 V ሺᅮ > 1LjVIN = 1 V/ሺᅮǗ‫ۆ‬႙ኵ110 dB 100 110 120 dBLjፌၭኵ dBLjፌၭኵ dBLjፌၭኵ dBLjፌၭኵ ሺᅮ = 1LjVIN = 1 V2 ሺᅮ > 1LjVIN = 1 V/ሺᅮ 10 Hz๼‫؜‬ຕ਍໏୲Lj50 ± 1 HzLj60 ± 1 Hz 50 ± 1 Hz(50 Hz๼‫؜‬ຕ਍໏୲)Lj 60 ± 1 Hz(60 Hz๼‫؜‬ຕ਍໏୲) 100 74 dBLjፌၭኵ dBLjፌၭኵ 96 97 dBLjፌၭኵ dBLjፌၭኵ 10 Hz๼‫؜‬ຕ਍໏୲Lj50 ± 1 HzLj60 ± 1 Hz 50 Hz๼‫؜‬ຕ਍໏୲LjREJ607 = 1Lj 50 ± 1 HzLj60 ± 1 Hz. 50 Hz๼‫؜‬ຕ਍໏୲Lj50 ± 1 Hz 60 Hz๼‫؜‬ຕ਍໏୲Lj60 ± 1 Hz Rev. B | Page 3 of 40 ሺᅮ = 1 AD7190 AD7190B ‫ڇ‬࿋ ֪๬ཉॲ/ጀ๥1 120 82 dBLjፌၭኵ dBLjፌၭኵ @ 50 Hz @ 60 Hz Sinc3୳հഗ ాև้ዓ @ 50 Hz, 60 Hz 120 120 dBLjፌၭኵ dBLjፌၭኵ 10 Hz๼‫؜‬ຕ਍໏୲Lj50 ± 1 HzLj60 ± 1 Hz 50 Hz๼‫؜‬ຕ਍໏୲LjREJ607 = 1Lj 50 ± 1 HzLj60 ± 1 Hz. 50 Hz๼‫؜‬ຕ਍໏୲Lj50 ± 1 Hz 60 Hz๼‫؜‬ຕ਍໏୲Lj60 ± 1 Hz 75 60 dBLjፌၭኵ dBLjፌၭኵ @ 50 Hz @ 60 Hz ྔև้ዓ @ 50 Hz, 60 Hz 70 70 dBLjፌၭኵ dBLjፌၭኵ 100 67 dBLjፌၭኵ dBLjፌၭኵ @ 50 Hz @ 60 Hz ఇె๼෇ ֶ‫ݴ‬๼෇‫ۉ‬უ‫ྷݔ‬ 95 95 dBLjፌၭኵ dBLjፌၭኵ ±VREF/ሺᅮ VLjՔ‫׬‬ኵ ±(AVDD – 1.25 V)/ሺᅮ VLjፌၭኵ/ፌ‫ٷ‬ኵ AGND − 50 mV AVDD + 50 mV AGND + 250 mV AVDD − 250 mV VLjፌၭኵ VLjፌ‫ٷ‬ኵ VLjፌၭኵ VLjፌ‫ٷ‬ኵ ±2 ±3 ±5 nALjፌ‫ٷ‬ኵ nALjፌ‫ٷ‬ኵ pA/°CLj‫ۆ‬႙ኵ ሺᅮ = 1 ሺᅮ > 1 ±5 μA/VLj‫ۆ‬႙ኵ ሺᅮ = 1Lj๼෇‫ୁۉ‬ໜ๼෇‫ۉ‬უܸՎࣅ ±1 ±0.05 ±1.6 μA/VLj‫ۆ‬႙ኵ nA/V/°CLj‫ۆ‬႙ኵ nA/V/°CLj‫ۆ‬႙ኵ ሺᅮ > 1 ྔև้ዓ ాև้ዓ AVDD 1 AVDD VLjՔ‫׬‬ኵ VLjፌၭኵ VLjፌ‫ٷ‬ኵ REFIN = REFINx(+) − REFINx(−). AGND – 50 mV AVDD + 50 mV 7 ±0.03 VLjፌၭኵ VLjፌ‫ٷ‬ኵ μA/VLj‫ۆ‬႙ኵ nA/V/°CLj‫ۆ‬႙ኵ ྔև้ዓ 1.3 nA/V/°CLj‫ۆ‬႙ኵ ాև้ዓ ֖ຕ ྔև้ዓ @ 50 Hz, 60 Hz ਨ‫ܔ‬AIN‫ۉ‬უ၌ኵ2 ‫࣐ݥ‬؋ఇ๕ ࣐؋ఇ๕ ఇె๼෇‫ୁۉ‬ ࣐؋ఇ๕ ๼෇‫ୁۉ‬2 ๼෇‫ୁۉ‬೏ᅎ ‫࣐ݥ‬؋ఇ๕ ๼෇‫ୁۉ‬ ๼෇‫ୁۉ‬೏ᅎ एጚ‫ۉ‬უ๼෇ REFIN‫ۉ‬უ एጚ‫ۉ‬უ‫ྷݔ‬2 ਨ‫ܔ‬REFIN‫ۉ‬უ၌ኵ2 ೝ਩एጚ๼෇‫ୁۉ‬ ೝ਩एጚ๼෇‫ୁۉ‬೏ᅎ Rev. B | Page 4 of 40 10 Hz๼‫؜‬ຕ਍໏୲Lj50 ± 1 HzLj60 ± 1 Hz 50 Hz๼‫؜‬ຕ਍໏୲LjREJ60 = 1Lj 50 ± 1 HzLj60 ± 1 Hz. 50 Hz๼‫؜‬ຕ਍໏୲Lj50 ± 1 Hz 60 Hz๼‫؜‬ຕ਍໏୲Lj60 ± 1 Hz 10 Hz๼‫؜‬ຕ਍໏୲Lj50 ± 1 HzLj60 ± 1 Hz 50 Hz๼‫؜‬ຕ਍໏୲LjREJ607 = 1Lj 50 ± 1 HzLj60 ± 1 Hz. 50 Hz๼‫؜‬ຕ਍໏୲Lj50 ± 1 Hz 60 Hz๼‫؜‬ຕ਍໏୲Lj60 ± 1 Hz VREF = REFINx(+) − REFINx(−)Lj ሺᅮ = 1዁128 ሺᅮ > 1 ሺᅮ > 1้Ljֶ‫ݴ‬๼෇ՂႷ၌዆ሞ ± (AVDD – 1.25 V)/ሺᅮᅜా AD7190  ֖ຕ ‫ز‬ఇᅞ዆2 ࠌఇᅞ዆ एጚ‫ۉ‬უॠ֪‫ۉ‬ೝ ‫ڇ‬࿋ ֪๬ཉॲ/ጀ๥1 AD7190B ᇑఇె๼෇၎ཞ 95 0.3 0.6 dBLj‫ۆ‬႙ኵ VLjፌၭኵ VLjፌ‫ٷ‬ኵ ±2 2815 °CLj‫ۆ‬႙ኵ ஓ/°CLj‫ۆ‬႙ኵ ሞ25°C৊ႜᆩࢽၯጚኮࢫ๢ᆩ ມटႠఇ๕ ࿒‫ߌد܈‬ഗ ৛‫܈‬ ଳ௺‫܈‬ ‫܏࠲ൃۉ‬ਸ࠲ RON ඹႹ‫ୁۉ‬2 घ૤‫ୁۉ‬ AIN‫ୁۉ‬ 10 30 ΩLjፌ‫ٷ‬ኵ mALjፌ‫ٷ‬ኵ ૶Ⴤ‫ୁۉ‬ 500 nALjՔ‫׬‬ኵ ఇె๼෇ՂႷঢ়ࡗ࣐؋ժ্ᆩቘհ ຕጴ๼‫(؜‬P0዁P3) ๼‫ۉߛ؜‬უLjVOH2 ๼‫ۉگ؜‬უLjVOL2 ‫ޝ‬੣ༀႅ୑‫ୁۉ‬ ‫ޝ‬੣ༀ๼‫ۉ؜‬ඹ 4 0.4 ±100 10 VLjፌၭኵ VLjፌ‫ٷ‬ኵ nALjፌ‫ٷ‬ኵ pFLj‫ۆ‬႙ኵ AVDD = 5V, ISOURCE = 200 μA. AVDD = 5V, ISINK = 800 μA. 4.92 ± 4% 50:50 MHzLjፌၭኵ/ፌ‫ٷ‬ኵ %Lj‫ۆ‬႙ኵ 4.9152 2.4576/5.12 0.8 0.4 2.5 3.5 ±10 MHzLjՔ‫׬‬ኵ MHzLjፌၭኵ/ፌ‫ٷ‬ኵ VLjፌ‫ٷ‬ኵ VLjፌ‫ٷ‬ኵ VLjፌၭኵ VLjፌၭኵ μALjፌ‫ٷ‬ኵ 2 0.8 0.1/0.25 ±10 VLjፌၭኵ VLjፌ‫ٷ‬ኵ VLjፌၭኵ/ፌ‫ٷ‬ኵ μALjፌ‫ٷ‬ኵ DVDD − 0.6 0.4 4 0.4 ±10 10 VLjፌၭኵ VLjፌ‫ٷ‬ኵ VLjፌၭኵ VLjፌ‫ٷ‬ኵ μALjፌ‫ٷ‬ኵ pFLj‫ۆ‬႙ኵ ాև/ྔև้ዓ ాև้ዓ ೕ୲ ቞੣Բ ྔև้ዓ/ৗና2 ೕ୲ ๼෇‫ۉگ‬უLjVINL ๼෇ߛ‫ۉ‬უLjVINH ๼෇‫ୁۉ‬ இड๼෇ ๼෇ߛ‫ۉ‬უLjVINH2 ๼෇‫ۉگ‬უLjVINL2 ‫׿‬ው2 ๼෇‫ୁۉ‬ இड๼‫(؜‬DOUT/ RDY ) ๼‫ۉߛ؜‬უLjVOH2 ๼‫ۉگ؜‬უLjVOL2 ๼‫ۉߛ؜‬უLjVOH2 ๼‫ۉگ؜‬უLjVOL2 ‫ޝ‬੣ༀႅ୑‫ୁۉ‬ ‫ޝ‬੣ༀ๼‫ۉ؜‬ඹ ຕ਍๼‫؜‬Պஓ ဣཥၯጚ2 ஢ଉ‫ײ‬ၯጚ၌ኵ ଭ‫ۉ‬ೝၯጚ၌ኵ ๼෇‫ྷݔ‬ ೋᅎܾ৊዆ 1.05 × FS −1.05 × FS 0.8 × FS 2.1 × FS VLjፌ‫ٷ‬ኵ VLjፌၭኵ VLjፌၭኵ VLjፌ‫ٷ‬ኵ Rev. B | Page 5 of 40 DVDD = 5 V. DVDD = 3 V. DVDD = 3 V. DVDD = 5 V. DVDD = 3 V, ISOURCE = 100 μA. DVDD = 3 V, ISINK = 100 μA. DVDD = 5 V, ISOURCE = 200 μA. DVDD = 5 V, ISINK = 1.6 mA. AD7190 ֖ຕ ‫ۉ‬ᇸᄲ൱8 ‫ۉ‬ᇸ‫ۉ‬უ AVDD − AGND DVDD − DGND ‫ۉ‬ᇸ‫ୁۉ‬ AIDD‫ୁۉ‬ DIDD‫ୁۉ‬ IDD(ู‫ۉ‬ఇ๕) AD7190B ‫ڇ‬࿋ 4.75/5.25 2.7/5.25 VLjፌၭኵ/ፌ‫ٷ‬ኵ VLjፌၭኵ/ፌ‫ٷ‬ኵ 1 1.3 4.5 4.75 6.2 6.75 0.4 0.6 1.5 2 mALjፌ‫ٷ‬ኵ mALjፌ‫ٷ‬ኵ mALjፌ‫ٷ‬ኵ mALjፌ‫ٷ‬ኵ mALjፌ‫ٷ‬ኵ mALjፌ‫ٷ‬ኵ mALjፌ‫ٷ‬ኵ mALjፌ‫ٷ‬ኵ mALj‫ۆ‬႙ኵ μALjፌ‫ٷ‬ኵ 1 ֪๬ཉॲ/ጀ๥1 ‫ۆ‬႙ኵ0.85 mALjሺᅮ = 1Lj࣐؋ഗ࠲܏ ‫ۆ‬႙ኵ1.1 mALjሺᅮ = 1Lj࣐؋ഗਸഔ ‫ۆ‬႙ኵ3.5 mALjሺᅮ = 8Lj࣐؋ഗ࠲܏ ‫ۆ‬႙ኵ4 mALjሺᅮ = 8Lj࣐؋ഗਸഔ ‫ۆ‬႙ኵ5 mALjሺᅮ = 16዁128Lj࣐؋ഗ࠲܏ ‫ۆ‬႙ኵ5.5 mALjሺᅮ = 16዁128Lj࣐؋ഗਸഔ ‫ۆ‬႙ኵ0.35 mALjDVDD = 3 V ‫ۆ‬႙ኵ0.5 mALjDVDD = 5 V ๑ᆩྔևৗና ࿒‫ྷݔ܈‬ǖTMIN = −40°CLjTMAX = +105°Că रຍࡀ߭࿄ঢ়ิׂ֪๬Lj‫ڍ‬๴ׂ೗๯ْ݀ք้‫ڦ‬༬Ⴀຕ਍ኧ‫׼‬ă 3 FS = ఇ๕स٪ഗዐFS9࿋዁FS0࿋‫ڦ‬ๆ৊዆‫ڪ‬ၳኵă 4 ঢ়ࡗဣཥၯጚईాևଭ‫ۉ‬ೝၯጚࢫLj฿ۙဃֶᇑ჋ۨ‫ڦ‬Պ‫ײ‬ሺᅮࢅ๼‫؜‬ຕ਍໏୲໯‫ܔ‬ᆌ‫ڦ‬ሯำ၎‫ړ‬ă !ဣཥ஢ଉ‫ײ‬ၯጚ੗ॽሺᅮဃֶই዁ᇑՊ‫ײ‬ሺᅮࢅ๼‫؜‬ຕ਍໏୲໯‫ܔ‬ᆌ‫ڦ‬ሯำ၎‫ړ‬ă 5 ఇె๼෇ದዃྺֶ‫ݴ‬ఇ๕ă 6 ߾‫׍‬ၯጚཉॲူ๢ᆩ(AVDD = 5 VLjሺᅮ = 1LjTA = 25°C)ă 7 REJ60๟ఇ๕स٪ഗዐ‫ڦ‬ᅃ߲࿋ă๼‫؜‬ຕ਍໏୲ยዃྺ50 Hz้LjREJ60ยዃྺ1ॽ๑။հೕ୲࿋ᇀ60 HzLjܸ༵ٗࠃ50 Hz/60 Hzཞ้ᅞ዆ă 8 ຕጴ๼෇‫ڪ‬ᇀDVDDईDGNDă 2 Rev. B | Page 6 of 40 AD7190 ้Ⴞ༬Ⴀ AVDD = 4.75 V዁5.25 VLjDVDD = 2.7 V዁5.25 VLjAGND = DGND = 0 VLj๼෇இड0 = 0 VLj๼෇இड1 = DVDDLj༬՚ำ௽‫ྔأ‬ă ՗2 TMINĂTMAX၌ኵ(Bप) 100 100 ‫ڇ‬࿋ nsLjፌၭኵ nsLjፌၭኵ ཉॲ/ጀ๥1, 2 SCLKߛஞ؋੻‫܈‬ SCLK‫گ‬ஞ؋੻‫܈‬ nsLjፌၭኵ nsLjፌ‫ٷ‬ኵ nsLjፌ‫ٷ‬ኵ nsLjፌၭኵ nsLjፌ‫ٷ‬ኵ nsLjፌ‫ٷ‬ኵ nsLjፌၭኵ nsLjፌ‫ٷ‬ኵ nsLjፌၭኵ nsLjፌၭኵ CSူইᄂ዁DOUT/RDYᆶၳ้क़ DVDD = 4.75 V዁5.25 V DVDD = 2.7 V዁3.6 V SCLKᆶၳᄂ዁ຕ਍ᆶၳჽ‫׿‬4 DVDD = 4.75 V዁5.25 V DVDD = 2.7 V዁3.6 V CS࿮ၳᄂኮࢫ‫ڦ‬ጺ၍๥‫้ݣ‬क़ t6 t7 0 60 80 0 60 80 10 80 0 10 ႀ֡ፕ t8 t9 t10 t11 0 30 25 0 nsLjፌၭኵ nsLjፌၭኵ nsLjፌၭኵ nsLjፌၭኵ CSူইᄂ዁SCLKᆶၳᄂยዃ้क़4 ຕ਍ᆶၳ዁SCLKᄂยዃ้क़ ຕ਍ᆶၳ዁SCLKᄂԍ‫้׼‬क़ CSฉืᄂ዁SCLKᄂԍ‫้׼‬क़ ֖ຕ t3 t4 ‫֡܁‬ፕ t1 t2 3 t5 5, 6 SCLK࿮ၳᄂ዁CS࿮ၳᄂ SCLK࿮ၳᄂ዁DOUT/RDYߛ‫ۉ‬ೝ 1 ྺඓԍR‫ۨࡀࢇޙ‬Lj๯ْ݀ք೺क़‫ܔ‬ᄣೌ৊ႜକ֪๬ă໯ᆶ๼෇႑ࡽ਩ऺ้LjࡀۨtR = tF = 5 ns(DVDD‫ڦ‬10%዁90%)Ljٗ1.6 V‫ۉ‬უਸ๔ऻ้ă ൩֖९཮3ࢅ཮4ă 3 ኄၵຕኵ๟֑ᆩ཮2໯๖޶ሜ‫ۉ‬ୟܸ֪‫ڥ‬Ljۨᅭྺ๼‫ੵ؜‬ሁVOLईVOH၌ኵ໯Ⴔ‫้ڦ‬क़ă 4 SCLKᆶၳᄂྺSCLK‫ူڦ‬ইᄂă 5 ኄၵຕኵઠᇸᇀ໯֪‫้ڦڥ‬क़Lj޿้क़ྺ֑ᆩ཮2໯๖޶ሜ‫ۉ‬ୟ้ຕ਍๼‫߀؜‬Վ0.5 V໯Ⴔ‫้ڦ‬क़ă ඗ࢫॽ֪‫ڦڥ‬ຕኵ‫ݒ‬ၠྔླྀLjᅜၩ‫أ‬50 pF‫ۉ‬ඹ‫ڦ‬؊‫ۉ‬ई‫ۉݣ‬ၳᆌă ኄᅪ࿆ጣLj้Ⴞ༬Ⴀ໯ߴ‫้ڦ؜‬क़๟޿ഗॲኈኟ‫ڦ‬ጺ၍๥‫้ݣ‬क़Ljᅺܸᇑྔևጺ၍޶ሜ‫ۉ‬ඹ࿮࠲ă 6 RDYሞ‫܁‬ൽຕ਍स٪ഗኮࢫ‫ۉߛ࣮ݓ‬ೝăሞ‫ْڇ‬ገ࣑ఇ๕ࢅ૶Ⴤገ࣑ఇ๕ူLj‫ۉߛྺ ړ‬ೝ้LjසࡕႴᄲLj ੗ᅜምْ‫܁‬ൽཞᅃຕ਍Lj‫ڍ‬ᆌጀᅪඓԍࢫჄ‫֡܁‬ፕ‫้ิ݀ڦ‬क़փీথৎူᅃْ๼‫߸؜‬ႎ้क़ă සࡕ๑ీ૶Ⴤ‫܁‬ൽ༬ႠLjሶຕጴጴኻీԥ‫܁‬ൽᅃْă 2 ‫ۉ‬ୟᇑ้Ⴞ཮ ISINK (1.6mA WITH DVDD = 5V, 100μA WITH DVDD = 3V) TO OUTPUT PIN 1.6V ISOURCE (200μA WITH DVDD = 5V, 100μA WITH DVDD = 3V) ཮ 2. ᆩᇀඓ้ۨႾ༬Ⴀ‫޶ڦ‬ሜ‫ۉ‬ୟ Rev. B | Page 7 of 40 07640-002 50pF AD7190 CS (I) t6 t1 t5 MSB DOUT/RDY (O) LSB t7 t2 t3 07640-003 SCLK (I) t4 I = INPUT, O = OUTPUT ཮3. ‫܁‬ዜ೺้Ⴞ཮ CS (I) t11 t8 SCLK (I) t9 t10 MSB I = INPUT, O = OUTPUT ཮4. ႀዜ೺้Ⴞ཮ Rev. B | Page 8 of 40 LSB 07640-004 DIN (I) AD7190  ਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵ ඤፆ TA = 25°CLj༬՚ำ௽‫ྔأ‬ă θJA๟ፌֶ൧઄ူLjनഗॲࡰথሞ՗ཌྷ‫ހ‬ጎ‫ۉ‬ୟӱฉ‫ۨܮڦ‬ ՗3 Parameter AVDD዁AGND Rating −0.3 V዁+6.5 V DVDD዁AGND AGND዁DGND ఇె๼෇‫ۉ‬უ዁AGND एጚ๼෇‫ۉ‬უ዁AGND ຕጴ๼෇‫ۉ‬უ዁DGND −0.3 V዁+6.5 V −0.3 V዁+0.3 V −0.3 V዁AVDD + 0.3 V ຕጴ๼‫ۉ؜‬უ዁DGND AIN/ຕጴ๼෇‫ୁۉ‬ ߾ፕ࿒‫ྷݔ܈‬ ٪‫ئ‬࿒‫ྷݔ܈‬ ፌ‫ٷ‬঳࿒ ᆅগ࿒‫܈‬Lj ࣮ୁࡰথ −0.3 V዁DVDD + 0.3 V 10 mA −40°C዁+105°C −65°C዁+150°C 150°C ኵă ՗ 4. ඤፆ ‫ހ‬ጎૌ႙ 24ᆅগTSSOP θJA 128 θJC 42 ‫ڇ‬࿋ °C/W ESDয়ߢ −0.3 V዁AVDD + 0.3 V −0.3 V዁DVDD + 0.3 V ESD(ৢ‫ߌ௺)ۉݣۉ‬ഗॲă ‫ۉټ‬ഗॲࢅ‫ۉ‬ୟӱ੗ీࣷሞுᆶִਥ‫ڦ‬൧઄ူ‫ۉݣ‬ă ৑࠶Ԩׂ೗ਏᆶጆ૧ईጆᆶԍࢺ‫ۉ‬ୟLj‫ڍ‬ሞᇜ‫ీߛڟ‬ ଉESD้Ljഗॲ੗ీࣷ໦࣋ăᅺُLjᆌ‫֑ړ‬ൽ๢‫ڦړ‬ ESD‫ٯݔݞ‬แLjᅜՆ௨ഗॲႠీူইईࠀీෟ฿ă 260°C ጀᅪLj‫؜ג‬ᅜฉ໯ଚ‫ڦ‬ਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵ੗ీ‫ڞ‬ዂഗॲᆦ৳ Ⴀ໦࣋ăኄኻ๟‫ۨܮ‬ᆌ૰ኵLjփᅪ࿆ጣഗॲሞኄၵईኁඪ ࢆഄ໲‫؜ג‬Ԩरຍࡀ߭ກ‫ీࠀڦ‬Ⴀ֡ፕቤব૛Ք௽‫ڦ‬ཉॲ ူ‫ీࠀڦ‬Ⴀ֡ፕă‫׊‬೺ሞਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵཉॲူ߾ፕࣷᆖ ၚഗॲ‫ڦ‬੗੍Ⴀă Rev. B | Page 9 of 40 AD7190 MCLK1 1 24 DIN MCLK2 2 23 DOUT/RDY SCLK 3 22 SYNC CS 4 AD7190 21 DVDD P3 5 TOP VIEW (Not to Scale) 20 AVDD P2 6 19 DGND P1/REFIN2(+) 7 18 AGND P0/REFIN2(–) 8 17 BPDSW NC 9 16 REFIN1(–) AINCOM 10 15 REFIN1(+) AIN1 11 14 AIN4 AIN2 12 13 AIN3 NC = NO CONNECT 07640-005 ᆅগದዃतࠀీ௮ຎ ཮5. ᆅগದዃ ՗5. ᆅগࠀీ௮ຎ ᆅগՊࡽ ᆅগఁ‫׬‬ 1 MCLK1 ௮ຎ ‫ړ‬Ԩഗॲ‫ڦ‬ዷ้ዓᆯྔև‫ڦ‬ৗና༵ࠃ้Lj޿ৗና૶থሞMCLK1ᇑMCLK2ኮक़ă 2 MCLK2 3 SCLK 4 CS ഗॲ‫ڦ‬ዷ้ዓ႑ࡽăAD7190ਏᆶᅃ߲4.92 MHzాև้ዓă ޿ాև้ዓ੗ᅜሞMCLK2ᆅগฉྺഗॲ༵ࠃ้ዓă ᄺ੗ᅜᆩৗናईྔև้ዓྺAD7190༵ࠃ้ዓăৗና੗ᅜ૶থሞMCLK1ᇑMCLK2ᆅগฉă ईኁLjᄺ੗ᅜ૧ᆩCMOSग़ඹ้ዓൻ‫ۯ‬MCLK2ᆅগLjُ้MCLK1ᆅগԍ‫૶ݥ׼‬থጒༀă ‫ز‬ႜ้ዓ๼෇ă޿‫ز‬ႜ้ዓ๼෇ᆩᇀઠྫADC‫ڦ‬ຕ਍‫د‬๼ă SCLKਏᆶแ௢༬‫݀ة‬๕๼෇Ljᅺܸ޿থ੨๢ࢇ࠼߰૗ᆌᆩă ޿‫ز‬ႜ้ዓ੗ᅜ๟૶Ⴤ๕้ዓLj໯ᆶຕ਍਩ሞ૶Ⴤ‫ڦ‬ஞ؋ୁዐ‫د‬๼ă ईኁLj໲ᄺ੗ᅜ๟‫૶ݥ‬Ⴤ๕้ዓLjઠྫADC‫ڦ‬႑တᅜডၭ‫ڦ‬ຕ਍Ԉႚ๕‫د‬๼ă ೌ჋๼෇ăኄ๟ᅃ߲‫ۉگ‬ೝᆶၳ๼෇Ljᆩᇀ჋ስADCă CS੗ᅜᆩઠሞ‫ز‬ႜጺ၍ฉਏᆶ‫߲ܠ‬ഗॲ‫ڦ‬ဣཥዐ჋ስADCLjईኁᆩፕኡཞօ႑ࡽᇑഗॲཚ႑ă CS੗ᅜᆩᆘ૶၍‫ݛ‬๕ዃྺ‫ۉگ‬ೝLj๑‫ڥ‬ADCీᅜ3၍ఇ๕߾ፕLj๑ᆩSCLKĂDINࢅDOUTᇑഗॲথ੨ă 5 6 7 P3 P2 P1/REFIN2(+) ຕጴ๼‫؜‬ᆅগă޿ᆅগ੗ᅜᆩፕཚᆩ๼‫؜‬࿋LjᅜAVDDᇑAGNDኮक़‫ۉڦ‬უྺएጚă ຕጴ๼‫؜‬ᆅগă޿ᆅগ੗ᅜᆩፕཚᆩ๼‫؜‬࿋LjᅜAVDDᇑAGNDኮक़‫ۉڦ‬უྺएጚă ຕጴ๼‫؜‬ᆅগ/ኟएጚ๼෇ă޿ᆅগᆩፕཚᆩ๼‫؜‬࿋,ᅜAVDDईAGNDኮक़‫ۉڦ‬უྺएጚă REFSEL = 1้Lj޿ᆅগᆩፕREFIN2(+)ă੗ᅜሞREFIN2(+)ᇑREFIN2(−)ኮक़แेᅃ߲ྔևएጚ‫ۉ‬უă REFIN2(+)੗ᅜ๟AVDDᇑAGND + 1 Vኮक़‫ڦ‬ඪᅪኵăՔ‫׬‬एጚ‫ۉ‬უ(REFIN2(+) − REFIN2(−))ྺAVDDLj ‫޿ڍ‬ഗॲ੗ᅜ֑ᆩ1 V዁AVDD‫ڦాྷݔ‬एጚ‫ۉ‬უ߾ፕă 8 P0/REFIN2(−) ຕጴ๼‫؜‬ᆅগ/޶एጚ๼෇ă޿ᆅগᆩፕཚᆩ๼‫؜‬࿋,ᅜAVDDईAGNDኮक़‫ۉڦ‬უྺएጚă REFSEL = 1้Lj޿ᆅগᆩፕREFIN2(-)ă޿एጚ๼෇੗ᅜ๟AGNDᇑAVDD - 1 Vኮक़‫ڦ‬ඪᅪኵă 9 10 NC AINCOM ࿮૶থă޿ᆅগᆌᇑAGND၎૶ă ದዃྺ࿁ֶ‫߾ݴ‬ፕఇ๕้Ljఇె๼෇AIN1዁AIN4ᅜُ๼෇ྺएጚă 11 AIN1 12 AIN2 ఇె๼෇ă঳ࢇAIN2๑ᆩ้Lj໲੗ᅜದዃྺඇֶ‫ݴ‬๼෇‫ڦܔ‬ኟ๼෇Ǘ ঳ࢇAINCOM๑ᆩ้Lj໲੗ᅜದዃྺ࿁ֶ‫ݴ‬๼෇ă ఇె๼෇ă঳ࢇAIN2๑ᆩ้Lj໲੗ᅜದዃྺඇֶ‫ݴ‬๼෇‫ڦܔ‬ኟ๼෇Ǘ ঳ࢇAINCOM๑ᆩ้Lj໲੗ᅜದዃྺ࿁ֶ‫ݴ‬๼෇ă Rev. B | Page 10 of 40 AD7190  ᆅগՊࡽ ᆅগఁ‫׬‬ 13 AIN3 ௮ຎ ఇె๼෇ă঳ࢇAIN4๑ᆩ้Lj໲੗ᅜದዃྺඇֶ‫ݴ‬๼෇‫ڦܔ‬ኟ๼෇Ǘ ঳ࢇAINCOM๑ᆩ้Lj໲੗ᅜದዃྺ࿁ֶ‫ݴ‬๼෇ă ఇె๼෇ă঳ࢇAIN3๑ᆩ้Lj໲੗ᅜದዃྺඇֶ‫ݴ‬๼෇‫޶ڦܔ‬๼෇Ǘ ঳ࢇAINCOM๑ᆩ้Lj໲੗ᅜದዃྺ࿁ֶ‫ݴ‬๼෇ă ኟएጚ๼෇ă੗ᅜሞREFIN1(+)ᇑREFIN1(−)ኮक़แेᅃ߲ྔևएጚ‫ۉ‬უă REFIN1(+)੗ᅜ๟AVDDᇑAGND + 1 Vኮक़‫ڦ‬ඪᅪኵăՔ‫׬‬एጚ‫ۉ‬უ(REFIN1(+) − REFIN1(−))ྺAVDDLj ‫޿ڍ‬ഗॲ੗ᅜ֑ᆩ1 V዁AVDD‫ڦాྷݔ‬एጚ‫ۉ‬უ߾ፕă ޶एጚ๼෇ă޿एጚ๼෇੗ᅜ๟AGNDᇑAVDD - 1 Vኮक़‫ڦ‬ඪᅪኵă ‫܏࠲ൃۉ‬ਸ࠲LjᇑAGND၎૶ă ఇె‫ں‬एጚ‫ۅ‬ă ຕጴ‫ں‬एጚ‫ۅ‬ă ఇె‫ۉ‬ᇸ‫ۉ‬უLj4.75 V዁5.25 VăAVDD‫܀‬૬ᇀDVDDă ຕጴ‫ۉ‬ᇸ‫ۉ‬უLj2.7 V዁5.25 VăDVDD‫܀‬૬ᇀAVDDă இड๼෇Ǘ๑ᆩ‫߲ܠ‬AD7190ഗॲ้Lj໲੗ᅜ๑ຕጴ୳հഗᇑఇెۙ዆ഗཞօă ‫ړ‬SYNCྺ‫ۉگ‬ೝ้Ljຕጴ୳հഗ‫ڦ‬ব‫ۅ‬Ă୳հഗ੦዆இडࢅၯጚ੦዆இडް࿋Lj ժ൐ఇెۙ዆ഗԍ‫׼‬ሞް࿋ጒༀăSYNCփᆖၚຕጴথ੨Lj‫ڍ‬ැ໲ྺ‫ۉگ‬ೝLj ሶࣷॽRDYް࿋ྺߛ‫ۉ‬ೝጒༀăSYNCᆶᅃ߲ᇑDVDD၎૶‫ాڦ‬ևฉઙ‫ۉ‬ፆă 14 AIN4 15 REFIN1(+) 16 17 18 19 20 21 22 REFIN1(−) BPDSW AGND DGND AVDD DVDD SYNC 23 DOUT/RDY ‫ز‬ႜຕ਍๼‫؜‬/ຕ਍৽Ⴣ๼‫؜‬ăDOUT/RDYਏᆶມዘፕᆩă໲੗ᅜᆩፕ‫ز‬ႜຕ਍๼‫؜‬ᆅগLj ᅜ‫ݡ‬࿚ADC‫ڦ‬๼‫؜‬ᅎ࿋स٪ഗă๼‫؜‬ᅎ࿋स٪ഗ੗ᅜࡤᆶઠጲඪᅃೌాຕ਍ई੦዆स٪ഗ‫ڦ‬ຕ਍ă ُྔLjDOUT/RDY੗ᅜᆩፕຕ਍৽ჃᆅগLjՎྺ‫ۉگ‬ೝ้՗๖ገ࣑ᅙྜ‫ׯ‬ăገ࣑ྜ‫ࢫׯ‬Lj සࡕຕ਍࿄ԥ‫܁‬ൽLj޿ᆅগॽሞူᅃْ߸ႎ݀ิኮമՎྺߛ‫ۉ‬ೝă DOUT/RDYူইᄂ੗ᅜᆩፕ‫ت‬૙ഗ‫ڦ‬ዐ܏Lj՗๖٪ሞ੗ᆩ‫ڦ‬ᆶၳຕ਍ă ֑ᆩྔև‫ز‬ႜ้ዓ้Lj੗ᅜ૧ᆩDOUT/RDYᆅগ‫܁‬ൽຕ਍ăCSྺ‫ۉگ‬ೝ้Lj ຕ਍/੦዆ጴ႑တሞSCLKူইᄂዃᇀDOUT/RDYᆅগฉLjሞSCLKฉืᄂᆶၳă 24 DIN ዁ADC๼෇ᅎ࿋स٪ഗ‫زڦ‬ႜຕ਍๼෇ă޿ᅎ࿋स٪ഗዐ‫ڦ‬ຕ਍‫د‬๼዁ADCዐ‫ڦ‬੦዆स٪ഗLj ཚ႑स٪ഗ‫ڦ‬स٪ഗ჋ስ࿋ඓۨ๢‫ڦړ‬स٪ഗă Rev. B | Page 11 of 40 AD7190 ‫ۆ‬႙߾ፕ༬Ⴀ 8,388,760 8,388,950 8,388,900 8,388,758 8,388,850 8,388,800 8,388,750 CODE 8,388,754 8,388,752 8,388,700 8,388,650 8,388,750 8,388,600 8,388,550 8,388,748 200 400 600 800 1000 SAMPLE 07640-106 0 8,388,450 0 100 200 300 400 500 600 700 800 900 1000 SAMPLES ཮6. ሯำ(VREF = 5 VLj๼‫؜‬ຕ਍໏୲ = 4.7 HzLj ሺᅮ = 128Ljቘհ্ᆩLjSinc 4୳հഗ) ཮8. ሯำ(VREF = 5 VLj๼‫؜‬ຕ਍໏୲ = 4800 HzLj ሺᅮ = 128Ljቘհ্ᆩLjSinc 4୳հഗ) 250 30 25 200 FREQUENCY 20 150 100 15 10 50 5 8,388,920 07640-109 CODE 8,388,834 8,388,748 8,388,662 8,388,576 8,388,490 8,388,760 8,388,758 8,388,756 0 07640-107 CODE 8,388,754 8,388,752 8,388,750 8,388,748 8,388,746 0 ཮9. ሯำ‫ݴ‬ք኱‫(཮ݛ‬VREF = 5 VLj๼‫؜‬ຕ਍໏୲ = 4800 HzLj ሺᅮ = 128Ljቘհ্ᆩLjSinc 4୳հഗ) ཮7. ሯำ‫ݴ‬ք኱‫(཮ݛ‬VREF = 5 VLj๼‫؜‬ຕ਍໏୲ = 4.7 HzLj ሺᅮ = 128Ljቘհ্ᆩLjSinc 4୳հഗ) Rev. B | Page 12 of 40 07640-108 8,388,500 8,388,746 FREQUENCY CODE 8,388,756 AD7190  3.0 8,388,820 8,388,800 2.0 INL (ppm of FSR) 8,388,780 8,388,760 8,388,720 8,388,700 0 –1.0 8,388,680 –2.0 8,388,660 0 100 200 300 400 500 600 700 800 900 1000 SAMPLES –3.0 –2.5 07640-110 8,388,620 –2.0 –1.5 –1.0 –0.5 0 0.5 1.0 1.5 2.0 2.5 VIN (V) ཮10. ሯำ(VREF = 5 VLj๼‫؜‬ຕ਍໏୲ = 4800 HzLj ሺᅮ = 1Ljቘհ্ᆩLjSinc 4୳հഗ) 07640-112 8,388,640 ཮12. ओ‫ݥݴ‬၍Ⴀ(ሺᅮ = 1) 80 70 6 60 4 50 INL (ppm of FSR) FREQUENCY 40 30 20 2 0 –2 10 8,388,820 07640-111 8,388,780 8,388,740 8,388,700 8,388,660 CODE ཮11. ሯำ‫ݴ‬ք኱‫(཮ݛ‬VREF = 5 VLj๼‫؜‬ຕ਍໏୲ = 4800 HzLj ሺᅮ = 1Ljቘհ্ᆩLjSinc 4୳հഗ) Rev. B | Page 13 of 40 –6 –0.020 –0.015 –0.010 –0.005 0 0.005 0.010 VIN (V) ཮13. ओ‫ݥݴ‬၍Ⴀ(ሺᅮ = 128) 0.015 0.020 07640-113 –4 0 8,388,620 CODE 8,388,740 1.0 AD7190 1.000008 66 1.000007 1.000006 62 1.000005 GAIN 60 1.000004 1.000003 58 1.000002 56 –20 0 20 40 60 80 100 120 140 TEMPERATURE (°C) 1.000000 –60 128.002 –0.2 128.001 –0.3 128.000 GAIN –0.1 –0.4 127.999 –0.5 127.998 –0.6 127.997 0 20 40 60 80 TEMERATURE (°C) 100 120 07640-115 OFFSET (μV) 128.003 –20 0 20 40 60 80 100 120 100 120 ཮16. ሺᅮဃֶ(ሺᅮ = 1Ljቘհ্ᆩ) 0 –40 –20 TEMPERATURE (°C) ཮14. ฿ۙဃֶ(ሺᅮ = 1Ljቘհ্ᆩ) –0.7 –60 –40 07640-116 –40 07640-114 54 –60 1.000001 ཮15. ฿ۙဃֶ(ሺᅮ = 128Ljቘհ্ᆩ) 127.996 –60 –40 –20 0 20 40 60 80 TEMPERATURE (°C) ཮17. ሺᅮဃֶ(ሺᅮ = 128Ljቘհ্ᆩ) Rev. B | Page 14 of 40 07640-117 OUTPUT VOLTAGE (μV) 64 AD7190  ਩‫ߵݛ‬ሯำᇑ‫ݴ‬Ր୲ AD7190ᆶ ଇ ዖ ୳հഗ੗ࠃ჋ስǖ sinc 4ࢅsinc 3ăُྔLj ๼෇‫ۉ‬უྺ0 V‫ڦڟڥࢪ้ڦ‬ă՗߭ཞ้ଚ‫؜‬କᆶၳ‫ݴ‬Ր୲Lj AD7190੗ᅜሞቘհ๑ీཉॲူईቘհ্ᆩཉॲူ߾ፕă ๼‫ރރ؜‬ኵ(p-p)‫ݴ‬Ր୲ई࿮ሯำ‫ݴ‬Ր୲ሶଚᇀઔࡽዐăՂ ႷጀᅪLjᆶၳ‫ݴ‬Ր୲๟૧ᆩ਩‫ߵݛ‬ሯำऺ໙‫؜ڥ‬Ljܸ‫ރރ‬ ူ௬‫ڦ‬՗߭၂๖କAD7190ሞ߳ዖཉॲူ‫ڦ‬਩‫ߵݛ‬ሯำLjኄ ኵ‫ݴ‬Ր୲ሶ๟ߵ਍‫ރރ‬ኵሯำऺ໙‫؜ڥ‬ă‫ރރ‬ኵ‫ݴ‬Ր୲՗ ၵཉॲԈઔփཞ‫ڦ‬๼‫؜‬ຕ਍໏୲ࢅሺᅮยዃĂቘհ্ᆩई ๖࿮ஓ෻ຮ൧઄ူ‫ݴڦ‬Ր୲ăኄၵຕኵྺ‫ۆ‬႙ኵLjᅙ຺ป ቘհ๑ీLjᅜत๑ᆩsinc4ईsinc3୳հഗă໯༵ࠃ‫ڦ‬ຕኵ๟ ࿵෇‫ڟ‬ፌথৎ‫ ½ڦ‬LSBă ኍ‫ܔ‬ມटႠ๼෇‫ྷݔ‬ᅜत֑ᆩ5 Vྔևएጚ‫ۉ‬უᇸܸჾăኄ ၵຕኵྺ‫ۆ‬႙ኵLj๟‫ړ‬ADCሞ‫ڇ‬ᅃཚ‫ڢ‬ฉ૶Ⴤገ࣑Ăֶ‫ݴ‬ 4 SINC ቘհ্ᆩ ՗6. ਩‫ߵݛ‬ሯำ(nV)ᇑሺᅮࢅ๼‫؜‬ຕ਍໏୲‫࠲ڦ‬ဣ ୳հഗጴ (ๆ৊዆) 1023 640 480 96 80 32 16 5 2 1 ๼‫؜‬ຕ਍໏୲ (Hz) 4.7 7.5 10 50 60 150 300 960 2400 4800 ॺ૬้क़ (ms) 852.5 533 400 80 66.7 26.7 13.3 4.17 1.67 0.83 G=1 250 310 330 900 970 1460 1900 3000 5000 14,300 G=8 38 45 50 125 140 215 285 480 780 1920 G = 16 21 25 30 78 88 125 170 280 440 1000 G = 32 12 16 18 45 52 75 100 175 280 550 G = 64 10 12 14 33 36 55 75 140 220 380 G = 128 8.5 10.5 11.5 28 31 48 67 121 198 295 ՗7. ᆶၳ‫ݴ‬Ր୲(‫ރރ‬ኵ‫ݴ‬Ր୲)ᇑሺᅮࢅ๼‫؜‬ຕ਍໏୲‫࠲ڦ‬ဣ ୳հഗጴ (ๆ৊዆) 1023 640 480 96 80 32 16 5 2 1 1 ๼‫؜‬ຕ਍໏୲ (Hz) 4.7 7.5 10 50 60 150 300 960 2400 4800 ॺ૬้क़ (ms) 852.5 533 400 80 66.7 26.7 13.3 4.17 1.67 0.83 G = 11 24 (22.5) 24 (22) 24 (22) 23.5 (20.5) 23.5 (20.5) 22.5 (20) 22.5 (19.5) 21.5 (19) 21 (18) 19.5 (16.5) G = 81 24 (22) 24 (22) 24 (22) 23.5 (20.5) 23 (20.5) 22.5 (19.5) 22 (19.5) 21.5 (18.5) 20.5 (18) 19.5 (16.5) G = 161 24 (22) 24 (22) 24 (21.5) 23 (20) 22.5 (20) 22.5 (19.5) 22 (19) 21 (18.5) 20.5 (17.5) 19.5 (16.5) ๼‫ރރ؜‬ኵ(p-p)‫ݴ‬Ր୲ଚᇀઔࡽዐă Rev. B | Page 15 of 40 G = 321 24 (22) 24 (21.5) 24 (21.5) 22.5 (20) 22.5 (20) 22 (19.5) 21.5 (19) 21 (18) 20 (17.5) 19 (16.5) G = 641 24 (21) 23.5 (21) 23.5 (20.5) 22 (19.5) 22 (19.5) 21.5 (18.5) 21 (18.5) 20 (17.5) 19.5 (16.5) 18.5 (16) G = 1281 23 (20.5) 23 (20) 22.5 (20) 21.5 (18.5) 21.5 (18.5) 20.5 (18) 20 (17.5) 19.5 (16.5) 18.5 (16) 18 (15.5) AD7190 SINC3ቘհ্ᆩ ՗8. ਩‫ߵݛ‬ሯำ(nV)ᇑሺᅮࢅ๼‫؜‬ຕ਍໏୲‫࠲ڦ‬ဣ ୳հഗጴ (ๆ৊዆) 1023 640 480 96 80 32 16 5 2 1 ๼‫؜‬ຕ਍໏୲ (Hz) 4.7 7.5 10 50 60 150 300 960 2400 4800 ॺ૬้क़ (ms) 639.4 400 300 60 50 20 10 3.125 1.25 0.625 G=1 270 320 350 1000 1050 1500 1950 4000 56,600 442,000 G=8 42 50 60 134 145 225 308 590 7000 55,000 G = 16 23 27 35 86 95 130 175 330 3500 28,000 G = 32 13.5 17 19 50 55 80 110 200 1800 14,000 G = 64 10.5 13 15 35 40 58 83 150 900 7000 G = 128 9 11.5 12.5 29 32 50 73 133 490 3450 G = 161 24 (22) 24 (21.5) 24 (21.5) 23 (20) 22.5 (20) 22 (19.5) 22 (19) 21 (18) 17.5 (14.5) 14.5 (11.5) G = 321 24 (21.5) 24 (21.5) 24 (21) 22.5 (20) 22.5 (19.5) 22 (19) 21.5 (18.5) 20.5 (18) 17.5 (14.5) 14.5 (11.5) G = 641 24 (21) 23.5 (21) 23.5 (20.5) 22 (19.5) 22 (19) 21.5 (18.5) 21 (18) 20 (17.5) 17.5 (14.5) 14.5 (11.5) G = 1281 23 (20.5) 22.5 (20) 22.5 (20) 21.5 (18.5) 21 (18.5) 20.5 (18) 20 (17.5) 19 (16.5) 17.5 (14.5) 14.5 (11.5) ՗9. ᆶၳ‫ݴ‬Ր୲(‫ރރ‬ኵ‫ݴ‬Ր୲)ᇑሺᅮࢅ๼‫؜‬ຕ਍໏୲‫࠲ڦ‬ဣ ୳հഗጴ (ๆ৊዆) 1023 640 480 96 80 32 16 5 2 1 1 ๼‫؜‬ຕ਍໏୲ (Hz) 4.7 7.5 10 50 60 150 300 960 2400 4800 ॺ૬้क़ (ms) 639.4 400 300 60 50 20 10 3.125 1.25 0.625 G = 11 24 (22.5) 24 (22) 24 (22) 23.5 (20.5) 23 (20.5) 22.5 (20) 22.5 (19.5) 21.5 (18.5) 17.5 (14.5) 14.5 (11.5) G = 81 24 (22) 24 (22) 24 (21.5) 23 (20.5) 23 (20.5) 22.5 (19.5) 22 (19) 21 (18.5) 17.5 (14.5) 14.5 (11.5) ๼‫ރރ؜‬ኵ(p-p)‫ݴ‬Ր୲ଚᇀઔࡽዐă Rev. B | Page 16 of 40 AD7190  SINC4ቘհ๑ీ ՗10. ਩‫ߵݛ‬ሯำ(nV)ᇑሺᅮࢅ๼‫؜‬ຕ਍໏୲‫࠲ڦ‬ဣ ୳հഗጴ (ๆ৊዆) 1023 640 480 96 80 32 16 5 2 1 ๼‫؜‬ຕ਍໏୲ (Hz) 1.175 1.875 2.5 12.5 15 37.5 75 240 600 1200 ॺ૬้क़ (ms) 1702 1067 800 160 133 53 26.7 8.33 3.33 1.67 G=1 177 219 234 637 686 1033 1343 2121 3536 10,200 G=8 27 32 36 89 99 152 202 340 552 1360 G = 16 15 18 21 55 63 89 120 198 311 707 G = 32 8.5 11.5 13 32 37 53 71 124 198 389 G = 64 7 8.5 10 24 26 39 53 99 156 26 G = 128 6 7.5 8.5 20 22 34 48 86 140 209 G = 641 24 (21.5) 24 (21.5) 24 (21) 22.5 (20) 22.5 (20) 22 (19) 21.5 (19) 20.5 (18) 20 (17) 19 (16.5) G = 1281 23.5 (21) 23.5 (20.5) 23 (20.5) 22 (19) 22 (19) 21 (18.5) 20.5 (18) 20 (17) 19 (16.5) 18.5 (16) ՗11. ᆶၳ‫ݴ‬Ր୲(‫ރރ‬ኵ‫ݴ‬Ր୲)ᇑሺᅮࢅ๼‫؜‬ຕ਍໏୲‫࠲ڦ‬ဣ ୳հഗጴ (ๆ৊዆) 1023 640 480 96 80 32 16 5 2 1 1 ๼‫؜‬ຕ਍໏୲ (Hz) 1.175 1.875 2.5 12.5 15 37.5 75 240 600 1200 ॺ૬้क़ (ms) 1702 1067 800 160 133 53 26.7 8.33 3.33 1.67 G = 11 24 (23) 24 (22.5) 24 (22.5) 24 (21) 24 (21) 23 (20.5) 23 (20) 22 (19.5) 21.5 (18.5) 20 (17) G = 81 24 (22.5) 24 (22.5) 24 (22.5) 24 (21) 23.5 (21) 23 (20) 22.5 (20) 22 (19) 21 (18.5) 20 (17) G = 161 24 (22.5) 24 (22.5) 24 (22) 23.5 (20.5) 23.5 (20.5) 23 (20) 22.5 (19.5) 21.5 (19) 21 (18) 20 (17) ๼‫ރރ؜‬ኵ(p-p)‫ݴ‬Ր୲ଚᇀઔࡽዐă Rev. B | Page 17 of 40 G = 321 24 (22.5) 24 (22) 24 (22) 23 (20.5) 23 (20.5) 22.5 (20) 22 (19.5) 21.5 (18.5) 20.5 (18) 19.5 (17) AD7190 SINC3ቘհ๑ీ ՗12. ਩‫ߵݛ‬ሯำ(nV)ᇑሺᅮࢅ๼‫؜‬ຕ਍໏୲‫࠲ڦ‬ဣ ୳հഗጴ (ๆ৊዆) 1023 640 480 96 80 32 16 5 2 1 ๼‫؜‬ຕ਍໏୲ (Hz) 1.56 2.5 3.33 16.6 20 50 100 320 800 1600 ॺ૬้क़ (ms) 1282 800 600 120 100 40 20 6.25 2.5 1.25 G=1 191 226 248 708 743 1061 1380 2829 40,100 312,550 G=8 30 36 43 95 103 159 218 418 4950 38,540 G = 16 16.5 19 25 61 68 92 124 234 2475 19,800 G = 32 10 12 14 36 39 57 78 142 1273 9900 G = 64 8 9 11 25 29 41 59 106 637 4950 G = 128 6.5 8.5 9 21 23 36 52 94 347 2440 G = 161 24 (22.5) 24 (22) 24 (22) 23.5 (20.5) 23 (20.5) 22.5 (20) 22.5 (19.5) 21.5 (18.5) 18 (15) 15 (12) G = 321 24 (22) 24 (22) 24 (21.5) 23 (20.5) 23 (20) 22.5 (19.5) 22 (19) 21 (18.5) 18 (15) 15 (12) G = 641 24 (21.5) 24 (21.5) 24 (21) 22.5 (20) 22.5 (19.5) 22 (19) 21.5 (18.5) 20.5 (18) 18 (15) 15 (12) G = 1281 23.5 (21) 23 (20.5) 23 (20.5) 22 (19) 21.5 (19) 21 (18.5) 20.5 (18) 19.5 (17) 18 (15) 15 (12) ՗13. ᆶၳ‫ݴ‬Ր୲(‫ރރ‬ኵ‫ݴ‬Ր୲)ᇑሺᅮࢅ๼‫؜‬ຕ਍໏୲‫࠲ڦ‬ဣ ୳հഗጴ (ๆ৊዆) 1023 640 480 96 80 32 16 5 2 1 1 ๼‫؜‬ຕ਍໏୲ (Hz) 1.56 2.5 3.33 16.6 20 50 100 320 800 1600 ॺ૬้क़ (ms) 1282 800 600 120 100 40 20 6.25 2.5 1.25 G = 11 24 (23) 24 (22.5) 24 (22.5) 24 (21) 23.5 (21) 23 (20.5) 23 (20) 22 (19) 18 (15) 15 (12) G = 81 24 (22.5) 24 (22.5) 24 (22) 23.5 (21) 23.5 (21) 23 (20) 22.5 (19.5) 21.5 (19) 18 (15) 15 (12.5) ๼‫ރރ؜‬ኵ(p-p)‫ݴ‬Ր୲ଚᇀઔࡽዐă Rev. B | Page 18 of 40 AD7190  ೌాस٪ഗ ޿ADCཚࡗႹ‫ాೌܠ‬स٪ഗ৊ႜ੦዆ࢅದዃLjူ௬‫ڦ‬ቤব ഗ‫܁ڦ‬ईႀ֡ፕྜ‫ࢫׯ‬Ljথ੨‫ڟ࣮ݓ‬ᇨ೺‫ܔ‬ཚ႑स٪ഗኴ ॽຫ௽ኄၵस٪ഗăሞူ௬‫ڦ‬௮ຎዐLj“ยዃ”՗๖இड1ጒ ႜႀ֡ፕ‫ڦ‬ጒༀăኄ๟থ੨‫ڦ‬ఐණጒༀLjܸ൐ሞฉ‫้ۉ‬ई ༀLj“ൣଭ”՗๖இड0ጒༀLj༬՚ำ௽‫ྔأ‬ă ް࿋ࢫLjADC‫ت‬ᇀُఐණጒༀLj‫ܔځڪ‬ཚ႑स٪ഗ‫ڦ‬ႀ֡ ཚ႑स٪ഗ ፕăසࡕথ੨้Ⴞ۪฿Ljኴႜᅃ߲቞ᆩ዁ณ40߲‫ز‬ႜ้ዓ ዜ೺‫ڦ‬ႀ֡ፕLjժ๑DIN‫ت‬ᇀߛ‫ۉ‬ೝጒༀLjॽ੗ᅜް࿋ኝ (RS2, RS1, RS0 = 0, 0, 0) ཚ႑स٪ഗ๟ᅃ߲8࿋ኻႀस٪ഗăᇑ޿ഗॲ‫ڦ‬໯ᆶཚ႑ ਩ՂႷᅜ‫ܔ‬ཚ႑स٪ഗ‫ڦ‬ႀ֡ፕਸ๔ăႀ෇ཚ႑स٪ഗ‫ڦ‬ ຕ਍ਦۨူᅃ߲֡ፕ๟‫֡܁‬ፕ࣏๟ႀ֡ፕLjᅜतُ֡ፕ݀ ิሞనᅃ߲स٪ഗă‫ܔ‬ᇀ‫܁‬ईႀ֡ፕLj‫ړ‬ໜࢫ‫ܔ‬჋ۨस٪ CR7 WEN(0) CR6 R/W(0) CR5 RS2(0) CR4 RS1(0) ߲ഗॲLj๑ADC‫ُ࣮ݓ‬ఐණጒༀă՗14ଚ‫؜‬କཚ႑स٪ഗ ߳࿋‫ڦ‬ఁ‫ࢅ׬‬ᅪᅭăCR0዁CR7՗๖࿋‫ڦ‬࿋ዃLjCRຫ௽ኄ ၵ࿋ຌᇀཚ႑स٪ഗăCR7՗๖ຕ਍ୁ‫ڼڦ‬ᅃ࿋ăઔࡽዐ ‫ڦ‬ຕኵ՗๖޿࿋‫ڦ‬ฉ‫ۉ‬/ް࿋ఐණጒༀă CR3 RS0(0) CR2 CREAD(0) CR1 0(0) CR0 0(0) ՗14. ཚ႑स٪ഗ߳࿋‫ڦ‬ఁ‫ࢅ׬‬ᅪᅭ ࿋‫ڦ‬࿋ዃ CR7 ࿋‫ڦ‬ఁ‫׬‬ WEN ௮ຎ ႀ෇๑ీ࿋ăྺ‫ܔ‬ཚ႑स٪ഗኴႜႀ֡ፕLjՂႷॽ0ႀ෇ُ࿋ăසࡕႀ෇‫ڼڦ‬ᅃ࿋๟1Lj ሶഗॲփࣷॽࢫჄ࿋ሜ෇स٪ഗLjܸ๟ཕାሞ޿࿋‫ڦ‬࿋ዃLj኱‫ॽڟ‬0ႀ෇޿࿋ă ॽ0ႀ෇WEN࿋ࢫLjഗॲՍࣷॽࢫჄ7࿋ሜ෇ཚ႑स٪ഗă CR6 R/W CR5዁CR3 RS2዁RS0 CR2 CREAD සࡕُ࿋ྺ0Ljሶ՗๖ူᅃ߲֡ፕ๟‫ܔ‬ኸۨस٪ഗኴႜႀ֡ፕă සࡕُ࿋ྺ1Ljሶ՗๖ူᅃ߲֡ፕ๟‫ܔ‬ኸۨस٪ഗኴႜ‫֡܁‬ፕă स٪ഗ‫ں‬኷࿋ăኄၵ‫ں‬኷࿋ਦۨ‫ز‬ႜথ੨ཚ႑೺क़჋ስADC‫ڦ‬నၵस٪ഗă ൩֖९՗15ă ૶Ⴤ‫܁‬ൽຕ਍स٪ഗă‫ُړ‬࿋ྺ1(ժ൐ᅙ჋ስຕ਍स٪ഗ)้Lj ‫ز‬ႜথ੨੗ᅜ૶Ⴤ‫܁‬ൽຕ਍स٪ഗǗनሞRDYᆅগՎྺ‫ۉگ‬ೝ(՗๖ገ࣑ᅙྜ‫ࢫ)ׯ‬แेSCLKஞ؋้Lj ຕ਍स٪ഗ‫ాڦ‬ඹॽጲ‫ۯ‬ዃᇀDOUTᆅগฉă‫ܔ‬ᇀࢫჄຕ਍‫܁‬ൽLjփՂ‫ܔ‬ཚ႑स٪ഗኴႜႀ֡ፕă ᄲ๑ీ૶Ⴤ‫܁‬ൽLjՂႷॽኸସ01011100ႀ෇ཚ႑स٪ഗăᄲ্ᆩ૶Ⴤ‫܁‬ൽLj ՂႷሞRDYᆅগྺ‫ۉگ‬ೝ้ॽኸସ01011000ႀ෇ཚ႑स٪ഗă๑ీ૶Ⴤ‫܁‬ൽࢫLj ADCॽ॔੦DIN၍ୟฉ‫ڦ‬ऄ‫ۯ‬LjᅜՍీথ๭ኸସᅜ্ᆩ૶Ⴤ‫܁‬ൽă ُྔLjසࡕDINฉ‫؜‬၄40߲૶Ⴤ1LjADCॽް࿋ă ᅺُLjDINᆌԍ‫ۉگ׼‬ೝLj኱‫ڟ‬ᆶኸସॽᄲႀ෇޿ഗॲă ՂႷॽኄၵ࿋Պ‫ྺײ‬இड0֍ీኟ‫߾׉‬ፕă CR1዁CR0 ՗15. स٪ഗ჋ስ RS2 0 0 0 0 0 1 1 1 1 RS1 0 0 0 1 1 0 0 1 1 RS0 0 0 1 0 1 0 1 0 1 स٪ഗ ႀ֡ፕ೺क़ྺཚ႑स٪ഗ ‫֡܁‬ፕ೺क़ྺጒༀस٪ഗ ఇ๕स٪ഗ ದዃस٪ഗ ຕ਍स٪ഗ/ຕ਍स٪ഗेጒༀ႑တ IDस٪ഗ GPOCONस٪ഗ ฿ۙस٪ഗ ஢ଉ‫ײ‬स٪ഗ Rev. B | Page 19 of 40 स٪ഗ‫ٷ‬ၭ 8࿋ 8࿋ 24࿋ 24࿋ 24࿋/32࿋ 8࿋ 8࿋ 24࿋ 24࿋ AD7190 ጒༀस٪ഗ (RS2, RS1, RS0 = 0, 0, 0Ǘฉ‫ۉ‬/ް࿋ = 0x80) ጒༀस٪ഗ๟ᅃ߲8࿋ኻ‫܁‬स٪ഗăᄲ‫ݡ‬࿚ADCጒༀस٪ഗLjᆩࢽՂႷႀ෇ཚ႑स٪ഗLj჋ስူᅃ߲֡ፕྺ‫֡܁‬ፕLjժॽ0 ሜ෇࿋RS2Ă࿋RS1ࢅ࿋RS0ă՗16ଚ‫؜‬କጒༀस٪ഗ߳࿋‫ڦ‬ఁ‫ࢅ׬‬ᅪᅭăSR0዁SR7՗๖࿋‫ڦ‬࿋ዃLjSRຫ௽ኄၵ࿋ຌᇀጒༀ स٪ഗăSR7՗๖ຕ਍ୁ‫ڼڦ‬ᅃ࿋ăઔࡽዐ‫ڦ‬ຕኵ՗๖޿࿋‫ڦ‬ฉ‫ۉ‬/ް࿋ఐණጒༀă SR7 RDY(1) SR6 ERR(0) SR5 NOREF(0) SR4 Parity(0) SR3 0(0) SR2 CHD2(0) SR1 CHD1(0) SR0 CHD0(0) ՗16. ጒༀस٪ഗ߳࿋‫ڦ‬ఁ‫ࢅ׬‬ᅪᅭ ࿋‫ڦ‬࿋ዃ SR7 ࿋‫ڦ‬ఁ‫׬‬ RDY ௮ຎ ADC৽Ⴣ࿋ăຕ਍ႀ෇ADCຕ਍स٪ഗࢫൣଭă‫܁‬ൽADCຕ਍स٪ഗኮࢫLj ईኁሞᆩႎገ࣑঳ࡕ߸ႎຕ਍स٪ഗኮമ‫ڦ‬ᅃ้ۨक़ాLjDRY࿋ࣷጲ‫ۯ‬ยዃLj ᅜߢኪᆩࢽփᆌ‫܁‬ൽገ࣑ຕ਍ăॽഗॲዃᇀู‫ۉ‬ఇ๕ई੣ှఇ๕้Lj ईኁ‫ړ‬SYNCՎྺ‫ۉگ‬ೝ้Lj޿࿋ᄺࣷยዃăDOUT/DRYᆅগᄺࣷኸ๖ገ࣑ࢆ้঳ຐă ޿ᆅগ੗ᅜ‫༺پ‬ጒༀस٪ഗઠ॔๫ADCᆶ࿮ገ࣑ຕ਍ă SR6 ERR SR5 NOREF ADC‫ٱ‬ဃ࿋ăُ࿋ᇑDRY࿋ཞ้ႀ෇ăසࡕERR࿋ยዃLj ሶຫ௽ႀ෇ADCຕ਍स٪ഗ‫ڦ‬঳ࡕᶏ࿋ྺඇ0ईඇ1ă‫ٱ‬ဃᇸԈઔ‫ג‬ଉ‫ײ‬Ă വଉ‫ײ‬ईඍณएጚ‫ۉ‬უă޿࿋ᆯഔ‫ۯ‬ገ࣑‫ڦ‬ႀ֡ፕൣଭă ࿮ྔևएጚ‫ۉ‬უ࿋ăසࡕُ࿋ยዃLjሶຫ௽჋ۨ‫ڦ‬एጚ‫ۉ‬უ(REFIN1ईREFIN2)‫گ‬ᇀࡀۨ‫ڦ‬ពኵă ยዃࢫLjገ࣑঳ࡕᶏ࿋ྺඇ1ăසࡕُ࿋ൣଭLjሶຫ௽‫ܔ‬჋ۨ‫ڦ‬एጚ‫ۉ‬უᆅগแेକᆶၳएጚ‫ۉ‬უă ॽದዃस٪ഗዐ‫ڦ‬REFDET࿋ยዃྺ1੗๑ీNOREF࿋ă SR4 Parity SR3 SR2 to SR0 0 CHD2 to CHD0 ຕ਍स٪ഗ‫ڦ‬ആ౾ၯᄓăසࡕఇ๕स٪ഗዐ‫ڦ‬ENPAR࿋ยዃLjժ൐ຕ਍स٪ഗዐᆶആຕ߲1Lj ሶParity࿋ยዃăසࡕຕ਍स٪ഗዐᆶ౾ຕ߲1Ljሶ޿࿋ൣଭă๑ᆩആ౾ၯᄓ้Lj ᆌยዃఇ๕स٪ഗዐ‫ڦ‬DAT_STA࿋ăDAT_STA࿋ยዃࢫLj ጒༀस٪ഗ‫ాڦ‬ඹॽᇑ௅ْٗຕ਍स٪ഗ‫܁‬ൽ‫ڦ‬ຕ਍ᅃཞ‫د‬๼ă ُ࿋ยዃྺ0ă ኄၵ࿋ኸ๖నᅃཚ‫ܔڢ‬ᆌຕ਍स٪ഗ‫ాڦ‬ඹăኄၵ࿋փኸ๖ణമኟሞገ࣑నᅃཚ‫ڢ‬Lj ܸ๟ኸ๖ׂิຕ਍स٪ഗ໯ࡤገ࣑঳ࡕ้჋ۨକనᅃཚ‫ڢ‬ă ఇ๕स٪ഗ (RS2, RS1, RS0 = 0, 0, 1Ǘฉ‫ۉ‬/ް࿋ = 0x080060) ఇ๕स٪ഗ๟ᅃ߲24࿋स٪ഗLj੗ᅜٗዐ‫܁‬ൽຕ਍Ljᄺ੗ᅜॽຕ਍ႀ෇ഄዐăُस٪ഗᆩઠ჋ስ߾ፕఇ๕Ă๼‫؜‬ຕ਍໏୲ ࢅ้ዓᇸă՗17ଚ‫؜‬କఇ๕स٪ഗ߳࿋‫ڦ‬ఁ‫ࢅ׬‬ᅪᅭăMR0዁MR23՗๖࿋‫ڦ‬࿋ዃLjMRຫ௽ኄၵ࿋ຌᇀఇ๕स٪ഗăMR23 ՗๖ຕ਍ୁ‫ڼڦ‬ᅃ࿋ăઔࡽዐ‫ڦ‬ຕኵ՗๖޿࿋‫ڦ‬ฉ‫ۉ‬/ް࿋ఐණጒༀăኻᄲ‫ܔ‬ఇ๕स٪ഗኴႜႀ֡ፕLj৽ࣷް࿋ۙ዆ഗࢅ୳ հഗLjժยዃRDY࿋ă MR23 MD2(0) MR15 Sinc3(0) MR7 FS7(0) MR22 MD1(0) MR14 0 MR6 FS6(1) MR21 MD0(0) MR13 ENPAR(0) MR5 FS5(1) MR20 DAT_STA(0) MR12 0 MR4 FS4(0) MR19 CLK1(1) MR11 Single(0) MR3 FS3(0) Rev. B | Page 20 of 40 MR18 CLK0(0) MR10 REJ60(0) MR2 FS2(0) MR17 0 MR9 FS9(0) MR1 FS1(0) MR16 0 MR8 FS8(0) MR0 FS0(0) AD7190  ՗17. ఇ๕स٪ഗ߳࿋‫ڦ‬ఁ‫ࢅ׬‬ᅪᅭ ࿋‫ڦ‬࿋ዃ MR23 ዁ MR21 MR20 ࿋‫ڦ‬ఁ‫׬‬ MD2 ዁ MD0 DAT_STA ௮ຎ ఇ๕჋ስ࿋ăኄၵ࿋჋ስAD7190‫߾ڦ‬ፕఇ๕)֖९՗18*ă ُ࿋๑ీጒༀस٪ഗాඹሞ௅ْຕ਍स٪ഗ‫֡܁‬ፕኮࢫ‫د‬๼ăDAT_STAยዃࢫLjጒༀस٪ഗ‫ాڦ‬ ඹॽᇑ௅ْٗຕ਍स٪ഗ‫܁‬ൽ‫ڦ‬ຕ਍ᅃཞ‫د‬๼ăُࠀీሞ჋ۨ‫߲ܠ‬ཚ‫ڦڢ‬൧઄ူ࢔ᆶᆩLjᅺྺጒ ༀस٪ഗ੗ඓۨనᅃཚ‫ڢ‬ᇑຕ਍स٪ഗኵ‫ܔ‬ᆌă MR19 ዁ MR18 CLK1 ዁ CLK0 ኄၵ࿋ᆩઠ჋ስAD7190‫้ڦ‬ዓᇸă੗ᅜ๑ᆩೌా4.92 MHz้ዓईྔև้ዓă๑ᆩྔև้ዓ้Lj‫ܠ‬ ߲AD7190ഗॲ੗ᅜཞօăُྔLj‫֑ړ‬ᆩ৛ඓ‫ྔڦ‬և้ዓൻ‫ۯ‬AD7190้Lj੗ᅜ߀฀50 Hz/60 Hzᅞ ዆Ⴀీă MR17 ዁ MR16 MR15 SINC3 MR14 MR13 ENPAR MR12 MR11 Single MR10 REJ60 MR9 ዁ MR0 FS9 ዁ FS0 CLK1 CLK0 ADC้ዓᇸ 0 0 ྔևৗናăྔևৗና๟ٗMCLK1૶዁MCLK2ă 0 1 ྔև้ዓăྔև้ዓแेᇀMCLK2ᆅগă 1 0 4.92 MHzాև้ዓăMCLK2ᆅগྺෙༀă 1 1 4.92 MHzాև้ዓăాև้ዓ੗ٗMCLK2इ‫ڥ‬ă ՂႷॽኄၵ࿋Պ‫ྺײ‬இड0֍ీኟ‫߾׉‬ፕă Sinc3୳հഗ჋ስ࿋ă‫޿ړ‬࿋ൣଭ้Lj๑ᆩsinc4୳հഗ)ఐණኵ*ă‫޿ړ‬࿋ยዃ้Lj๑ᆩsinc3୳հഗă ᇑsinc4୳հഗ၎ԲLjsinc3୳հഗ‫ڦ‬ᆫ๞๟্ᆩቘհ้ഄॺ૬้क़߸‫܌‬ă‫ܔ‬ᇀߴۨ๼‫؜‬ຕ਍໏୲fADCLj sinc3୳հഗ‫ॺڦ‬૬้क़ྺ3/fADCLjܸsinc4୳հഗ‫ॺڦ‬૬้क़ྺ4/fADCăᆯᇀ။հ߸ศLjsinc4୳հഗ ‫ڦ‬50 Hz/60 Hzᅞ዆Ⴀీ߸ॅă‫ړ‬๼‫؜‬ຕ਍໏୲ড‫้گ‬Lj‫ܔ‬ᇀߴۨ๼‫؜‬ຕ਍໏୲Ljଇዖ୳հഗਏᆶ ၎ຼ‫ڦ‬਩‫ߵݛ‬ሯำࢅ࿮฿ஓ༬Ⴀă‫ړ‬๼‫؜‬ຕ਍໏୲ডߛ้)FSኵၭᇀ5*Ljsinc4୳հഗ‫ڦ‬਩‫ߵݛ‬ሯำ ࢅ࿮฿ஓႠీᆫᇀsinc3୳հഗă ՂႷॽُ࿋Պ‫ྺײ‬இड0֍ీኟ‫߾׉‬ፕă ๑ీആ౾ၯᄓ࿋ăENPARยዃ้Lj๑ీ‫ܔ‬ຕ਍स٪ഗ‫ڦ‬ആ౾ၯᄓă๑ᆩആ౾ၯᄓ้Ljᆌยዃఇ๕ स٪ഗዐ‫ڦ‬DAT_STA࿋ăDAT_STA࿋ยዃࢫLjጒༀस٪ഗ‫ాڦ‬ඹॽᇑ௅ْٗຕ਍स٪ഗ‫܁‬ൽ‫ڦ‬ຕ ਍ᅃཞ‫د‬๼ă ՂႷॽُ࿋Պ‫ྺײ‬இड0֍ీኟ‫߾׉‬ፕă ‫ڇ‬ዜ೺ገ࣑๑ీ࿋ăُ࿋ยዃ้LjAD7190ሞᅃ߲ገ࣑ዜ೺ాॺ૬LjᅜՍᆩፕଭჽ‫׿‬ADCăසࡕ๑ ీ‫߲ܠ‬ఇె๼෇ཚ‫ڢ‬Ljईኁ჋ስ‫ْڇ‬ገ࣑ఇ๕Ljሶُ࿋࿮ፕᆩă ‫ړ‬sinc୳հഗ‫ڼڦ‬ᅃ။հೕ୲ྺ50 Hz้Ljُ࿋੗๑ీᅃ߲60 Hz‫ڦ‬။հೕ୲ă‫ړ‬sinc୳հഗ‫ڼڦ‬ᅃ ။հೕ୲ྺ50 Hz้LjREJ60‫ڦ‬ยዃॽ๑୳հഗइ‫ڥ‬ᅃ߲60 Hz‫ڦ‬။հೕ୲Ljܸٗํ၄50 Hz/60 Hzཞ ้ᅞ዆ă ୳հഗ๼‫؜‬ຕ਍໏୲჋ስ࿋ăኄ10࿋ຕ਍ਦۨ୳հഗপኹೕ୲Ă୳հഗ‫ڼ‬ᅃ။հೕ୲‫ڦ‬࿋ዃᅜतഗ ॲ‫ڦ‬๼‫؜‬ຕ਍໏୲ă໲࣏ᇑሺᅮ჋ስᅃഐਦۨഗॲ‫ڦ‬๼‫؜‬ሯำ)ᅺܸᄺਦۨକᆶၳ‫ݴ‬Ր୲*ă)֖९՗ 6዁՗13* ্ᆩቘհժ჋ስ૶Ⴤገ࣑ఇ๕้Lj๼‫؜‬ຕ਍໏୲‫ڪ‬ᇀǖ ๼‫؜‬ຕ਍໏୲ = (fmod/64)/FS ഄዐFSྺFS0዁FS9࿋ዐஓ‫ڦ‬ๆ৊዆‫ڪ‬ၳኵLjഄ‫ྷݔ‬๟1዁1023Ǘfmodྺۙ዆ഗೕ୲Lj‫ڪ‬ᇀMCLK/16ă ‫ܔ‬ᇀ4.92 MHzՔ‫׬‬MCLKLjᆯฉ๕੗‫ڥ‬ኪ๼‫؜‬ຕ਍໏୲‫ྷݔ‬๟4.69 Hz዁4.8 kHză্ᆩቘհժ൐ሞ‫ڇ‬ᅃ ཚ‫ڢ‬ฉገ้࣑Lj୳հഗ‫ڼ‬ᅃ။հೕ୲‫ڪ‬ᇀ๼‫؜‬ຕ਍໏୲ă๑ీቘհ้Lj๼‫؜‬ຕ਍໏୲‫ڪ‬ᇀǖ ๼‫؜‬ຕ਍໏୲ = (fmod/64)/(N x FS) ഄዐǖ FSྺFS0࿋዁FS9࿋ዐஓ‫ڦ‬ๆ৊዆‫ڪ‬ၳኵLjഄ‫ྷݔ‬๟1዁1023Ǘfmodྺۙ዆ഗೕ୲Lj‫ڪ‬ᇀMCLK/16ă‫ܔ‬ ᇀ4.92 MHzՔ‫׬‬MCLKLjᆯฉ๕੗‫ڥ‬ኪገ࣑໏୲‫ྷݔ‬๟4.69/N Hz዁4.8/N kHzLjഄዐNྺsinc୳հഗ‫ڦ‬঩ ຕăsinc୳հഗ‫ڼڦ‬ᅃ။հೕ୲‫ڪ‬ᇀ)N x ๼‫؜‬ຕ਍໏୲*ăቘհᆅ෇‫ڦ‬။հೕ୲ྺ)๼‫؜‬ຕ਍໏୲/2*‫ڦ‬ ആຕԠă Rev. B | Page 21 of 40 AD7190 ՗18. ߾ፕఇ๕ MD2 0 MD1 0 MD0 0 ఇ๕ ૶Ⴤገ࣑ఇ๕(ఐණ)ăሞ૶Ⴤገ࣑ఇ๕ူLjADC૶Ⴤኴႜገ࣑Ljժॽ঳ࡕዃᇀຕ਍स٪ഗዐă‫ړ‬ᅃْገ࣑঳ຐ ้LjDOUT/RDYᆅগࢅጒༀस٪ഗዐ‫ڦ‬RDY࿋Վྺ‫گ‬ăཚࡗॽཚ႑स٪ഗዐ‫ڦ‬CREAD࿋ยዃྺ1(๑ీ૶Ⴤ‫܁‬ൽ)Lj ᆩࢽ੗ᅜ‫܁‬ൽኄၵገ࣑঳ࡕă‫ړ‬๑ీ૶Ⴤ‫܁‬ൽժแेSCLKஞ؋้Ljገ࣑঳ࡕॽጲ‫ۯ‬ዃᇀDOUT၍ୟฉăଷᅃ‫ݛ‬ ௬Ljᆩࢽ੗ᅜႀ෇ཚ႑स٪ഗLjኸ๖ADC๼‫؜‬௅ᅃገ࣑঳ࡕăADCฉ‫ۉ‬Ăް࿋ईዘႎದዃኮࢫLjׂิ‫ڼ‬ᅃ߲ᆶ ၳገ࣑঳ࡕ໯Ⴔ‫้ڦ‬क़ྺ୳հഗྜඇॺ૬‫้ڦ‬क़ăࢫჄገ࣑঳ࡕॽᅜ჋ۨ‫ڦ‬๼‫؜‬ຕ਍໏୲(ൽਦᇀ୳հഗ჋ስ) ༵ࠃă 0 0 1 ‫ْڇ‬ገ࣑ఇ๕ă჋ስ‫ْڇ‬ገ࣑ఇ๕้LjADCฉ‫ۉ‬ժሞ჋ۨཚ‫ڢ‬ฉኴႜ‫ْڇ‬ገ࣑ăాև้ዓฉ‫ॺࢅۉ‬૬໯Ⴔ้ क़ፌ‫ྺܠ‬1 msă඗ࢫLjADCኴႜገ࣑Lj໯Ⴔ้क़ྺ୳հഗྜඇॺ૬‫้ڦ‬क़ăገ࣑঳ࡕዃᇀຕ਍स٪ഗዐLjRDY Վྺ‫ۉگ‬ೝLj඗ࢫADC‫ۉู࣮ݓ‬ఇ๕ăሞຕ਍ԥ‫܁‬ൽईኴႜଷᅃْገ࣑ኮമLjገ࣑঳ࡕॽᅃ኱ԥԍ٪ሞຕ਍ स٪ഗዐLjժ൐RDYԍ‫׼‬ᆶၳ(‫ۉگ‬ೝ)ă 0 1 0 ੣ှఇ๕ăሞ੣ှఇ๕ူLjADC୳հഗࢅۙ዆ഗԍ‫ް׼‬࿋ጒༀLjन๑ධሞ༵ࠃۙ዆ഗ้ዓă 0 1 1 1 0 0 ู‫ۉ‬ఇ๕ăሞู‫ۉ‬ఇ๕ူLj‫܏࠲ൃۉأ‬ਸ࠲ྔLjAD7190ഄᇆ‫ۉ‬ୟ਩࠲܏ă‫܏࠲ൃۉ‬ਸ࠲ԍ‫׼‬ᆶၳ‫ڦ‬ᇱᅺ๟‫؜‬ ᇀॺ૬้क़੊୯Ljᆩࢽ੗ీႴᄲሞAD7190ฉ‫ۉ‬ኮമLjံ๑‫ߌد‬ഗฉ‫ۉ‬ăසࡕ჋ስକྔևৗናLjሶ໲ᄺࣷԍ‫׼‬ ᆶၳă ాևଭ‫ۉ‬ೝၯጚăాև‫܌‬ୟጲ‫ۯ‬ᇑ๼෇၎૶ăၯጚഔ‫้ۯ‬LjRDYՎྺߛ‫ۉ‬ೝǗၯጚྜ‫้ׯ‬LjRDY‫ۉگ࣮ݓ‬ೝă ၯጚኮࢫLjADC‫ت‬ᇀ੣ှఇ๕ă֪‫ڦڥ‬฿ۙဣຕዃᇀ჋ۨཚ‫ڦڢ‬฿ۙस٪ഗዐă 1 0 1 ాዃ஢ଉ‫ײ‬ၯጚă‫ܔ‬ᇀኄዖၯጚLj஢ଉ‫ײ‬๼෇‫ۉ‬უጲ‫ۯ‬ᇑ๼෇၎૶ăၯጚഔ‫้ۯ‬LjRDYՎྺߛ‫ۉ‬ೝǗၯጚྜ ‫้ׯ‬LjRDY‫ۉگ࣮ݓ‬ೝăၯጚኮࢫLjADC‫ت‬ᇀ੣ှఇ๕ă֪‫ڦڥ‬஢ଉ‫ײ‬ဣຕዃᇀ჋ۨཚ‫ڦڢ‬஢ଉ‫ײ‬स٪ഗዐă ௅ْ߸߀ᅃ߲ཚ‫ڦڢ‬ሺᅮ้Lj਩Ⴔᄲኴႜ஢ଉ‫ײ‬ၯጚLjᅜ๑஢ଉ‫ײ‬ဃֶፌၭă 1 1 0 ဣཥଭ‫ۉ‬ೝၯጚăᆩࢽᆌॽဣཥଭ‫ۉ‬ೝ๼෇ᇑದዃस٪ഗዐCH7዁CH0࿋჋ስ‫ڦ‬ཚ‫ڢ‬๼෇ᆅগ၎૶ăၯጚഔ‫ۯ‬ ้LjRDYՎྺߛ‫ۉ‬ೝǗၯጚྜ‫้ׯ‬LjRDY‫ۉگ࣮ݓ‬ೝăၯጚኮࢫLjADC‫ت‬ᇀ੣ှఇ๕ă֪‫ڦڥ‬฿ۙဣຕዃᇀ჋ ۨཚ‫ڦڢ‬฿ۙस٪ഗዐă௅ْ߸߀ᅃ߲ཚ‫ڦڢ‬ሺᅮ้Lj਩Ⴔᄲኴႜဣཥଭ‫ۉ‬ೝၯጚă 1 1 1 ဣཥ஢ଉ‫ײ‬ၯጚăᆩࢽᆌॽဣཥ஢ଉ‫ײ‬๼෇ᇑದዃस٪ഗዐCH7዁CH0࿋჋ስ‫ڦ‬ཚ‫ڢ‬๼෇ᆅগ၎૶ăၯጚഔ‫ۯ‬ ้LjRDYՎྺߛ‫ۉ‬ೝǗၯጚྜ‫้ׯ‬Lj ‫ۉگ࣮ݓ‬ೝăၯጚኮࢫLjADC‫ت‬ᇀ੣ှఇ๕ă֪‫ڦڥ‬஢ଉ‫ײ‬ဣຕዃᇀ჋ۨ ཚ‫ڦڢ‬஢ଉ‫ײ‬स٪ഗዐă௅ْ߸߀ᅃ߲ཚ‫ڦڢ‬ሺᅮ้Lj਩Ⴔᄲኴႜဣཥ஢ଉ‫ײ‬ၯጚă ದዃस٪ഗ (RS2, RS1, RS0 = 0, 1, 0Ǘฉ‫ۉ‬/ް࿋ = 0x000117) ದዃस٪ഗ๟ᅃ߲24࿋स٪ഗLj੗ᅜٗዐ‫܁‬ൽຕ਍Ljᄺ੗ᅜॽຕ਍ႀ෇ഄዐăُस٪ഗᆩઠದዃADC‫ڇڦ‬टႠईມटႠఇ ๕Lj๑ీई্ᆩ࣐؋ഗLj๑ీई্ᆩघ૤‫ୁۉ‬Lj჋ስሺᅮLjᅜत჋ስఇె๼෇ཚ‫ڢ‬ă ՗19ଚ‫؜‬କದዃस٪ഗ߳࿋‫ڦ‬ఁ‫ࢅ׬‬ᅪᅭăCON0዁CON23՗๖࿋‫ڦ‬࿋ዃLjCONຫ௽ኄၵ࿋ຌᇀದዃस٪ഗăCON23՗๖ຕ ਍ୁ‫ڼڦ‬ᅃ࿋ăઔࡽዐ‫ڦ‬ຕኵ՗๖޿࿋‫ڦ‬ฉ‫ۉ‬/ް࿋ఐණጒༀă Rev. B | Page 22 of 40 AD7190  CON23 Chop(0) CON15 CH7(0) CON7 Burn(0) CON22 0(0) CON14 CH6(0) CON6 REFDET(0) CON21 0(0) CON13 CH5(0) CON5 0(0) CON20 REFSEL(0) CON12 CH4(0) CON4 BUF(1) CON19 0(0) CON11 CH3(0) CON3 U/B (0) CON18 0(0) CON10 CH2(0) CON2 G2(1) CON17 0(0) CON9 CH1(0) CON1 G1(1) CON16 (0) CON8 CH0(1) CON0 G0(1) ՗19. ದዃस٪ഗ߳࿋‫ڦ‬ఁ‫ࢅ׬‬ᅪᅭ ࿋‫ڦ‬࿋ዃ CON23 ࿋‫ڦ‬ఁ‫׬‬ Chop CON22, CON21 CON20 REFSEL ௮ຎ ቘհ๑ీ࿋ăChop࿋ൣଭ้Ljቘհ্ᆩăChop࿋ยዃ้Ljቘհ๑ీă๑ీቘհ้LjADC‫ڦ‬฿ۙࢅ ฿ۙ೏ᅎԍ‫׼‬ፌၭLj‫ڍ‬ገ้࣑क़ࢅॺ૬้क़ࣷჽ‫׊‬ă૩සLj‫ړ‬FS = 96)ๆ৊዆*൐჋ስsinc4୳հഗ้Lj ቘհ๑ీ൧઄ူ‫ڦ‬ገ้࣑क़ྺ80 msLjॺ૬้क़ྺ160 msă্ᆩቘհ้Lj੗ᅜํ၄߸ߛ‫ڦ‬ገ࣑໏୲ă ‫ړ‬FSጴྺ96)ๆ৊዆*൐჋ስsinc4୳հഗ้Ljገ้࣑क़ྺ20 msLjॺ૬้क़ྺ80 msă඗ܸLjሞ‫گ‬ሺᅮ ้Lj੗ీႴᄲۨ೺ኴႜၯጚLjᅜၩ‫أ‬฿ۙࢅ฿ۙ೏ᅎă ՂႷॽኄၵ࿋Պ‫ྺײ‬இड0֍ీኟ‫߾׉‬ፕă एጚ჋ስ࿋ăኄၵ࿋ᆩઠ჋ስADC‫ڦ‬एጚ‫ۉ‬უᇸă REFSEL एጚ‫ۉ‬უ 0 ሞREFIN1(+)ᇑREFIN1(−)ኮक़แे‫ྔڦ‬ևएጚ‫ۉ‬უă 1 ሞP1/REFIN2(+)ᇑP0/REFIN2(-)ᆅগኮक़แे‫ྔڦ‬ևएጚ‫ۉ‬უă ՂႷॽኄၵ࿋Պ‫ྺײ‬இड0֍ీኟ‫߾׉‬ፕă ཚ‫ڢ‬჋ስ࿋ăኄၵ࿋ᆩઠ჋ስ๑ీAD7190‫ڦ‬నၵཚ‫ڢ‬ă൩֖९՗20ă੗ᅜ჋ስ‫߲ܠ‬ཚ‫ڢ‬LjAD7190 ጲ‫ߴۯ‬ኄၵཚ‫ڢ‬ಇႾă߳ཚ‫ڢ‬ฉ‫ڦ‬ገ࣑໯Ⴔ้क़ྺྜኝॺ૬้क़ă CON19 ዁ CON16 CON15 ዁ CON8 CH7 ዁ CH0 CON7 Burn ُ࿋ยዃྺ1ॽ๑ీ႑ࡽୟ০ዐ‫ڦ‬500 nA‫ୁۉ‬ᇸăBurn = 0ॽ্ᆩघ૤‫ୁۉ‬ăৈ‫࣐ړ‬؋ഗྺᆶၳጒༀ ൐ቘհ্ᆩ้Lj֍ీ๑ీघ૤‫ୁۉ‬ă CON6 REFDET ๑ీएጚ‫ۉ‬უॠ֪ࠀీă޿࿋ยዃ้LjසࡕADC໯ᆩ‫ྔڦ‬ևएጚ‫ۉ‬უਸୟईၭᇀ0.6 Vፌ‫ٷ‬ኵLjጒༀ स٪ഗዐ‫ڦ‬NOREF࿋ॽߴ‫༵؜‬๖ăएጚ‫ۉ‬უॠ֪‫ۉ‬ୟৈሞADCᆶၳ้߾ፕă CON5 CON4 BUF CON3 U/B टႠ჋ስ࿋ăُ࿋ยዃ้Lj჋ስ‫ڇ‬टႠ߾ፕఇ๕ăُ࿋ൣଭ้Lj჋ስມटႠ߾ፕఇ๕ă CON2 ዁ CON0 G2 ዁ G0 ሺᅮ჋ስ࿋ăᆯᆩࢽႀ෇Ljᅜ჋ስူଚADC๼෇‫ྷݔ‬ኮᅃǖ G2 G1 G0 ሺᅮ ADC๼෇‫(ྷݔ‬5 Vएጚ‫ۉ‬უLjມटႠఇ๕) 0 0 0 1 ±5 V 0 0 1 ԍା 0 1 0 ԍା 0 1 1 8 ±625 mV 1 0 0 16 ±312.5 mV 1 0 1 32 ±156.2 mV 1 1 0 64 ±78.125 mV 1 1 1 128 ±39.06 mV ՂႷॽُ࿋Պ‫ྺײ‬இड0֍ీኟ‫߾׉‬ፕă ๑ీఇె๼෇‫࣐ڦ܋‬؋ഗăසࡕُ࿋ൣଭLjఇె๼෇ॽփ৊ႜ࣐؋Lj੗ই‫گ‬ഗॲ‫ࡼࠀڦ‬ăසࡕُ࿋ ยዃLjఇె๼෇ॽ৊ႜ࣐؋Ljᆩࢽ੗ᅜॽᇸፆੇዃᇀമ‫܋‬Ljܸփࣷߴဣཥ‫ټ‬ઠሺᅮဃֶă্ᆩ࣐؋ ഗ้Ljఇె๼෇ᆅগฉ‫ۉڦ‬უ੗ᅜྺAGNDᅜူ50 mV዁AVDDᅜฉ50 mVă๑ీ࣐؋ഗ้Lj໲Ⴔᄲ ᅃၵᇧଉǗᅺُLjඪࢆ๼෇ᆅগฉ‫ۉڦ‬უՂႷሞ‫ۉ‬ᇸࡆ‫ڦ‬250 mV‫ాྷݔ‬ă Rev. B | Page 23 of 40 AD7190 ՗20. ཚ‫ڢ‬჋ስ ದዃस٪ഗዐ‫ڦ‬ཚ‫ڢ‬๑ీ࿋ CH7 CH6 CH5 CH4 CH3 CH2 CH1 1 1 1 1 1 1 1 CH0 1 ๑ీ‫ڦ‬ཚ‫ڢ‬ ኟ๼෇ ޶๼෇ AIN(+) AIN(-) AIN1 AIN2 AIN3 AIN4 ࿒‫ߌد܈‬ഗ AIN2 AIN2 AIN1 AINCOM AIN2 AINCOM AIN3 AINCOM AIN4 AINCOM ጒༀस٪ഗ࿋ CHD[2:0] 000 001 011 100 101 110 111 ၯጚ स٪ഗ‫ܔ‬ 0 1 ࿮ 0 0 1 2 3 ຕ਍स٪ഗ IDस٪ഗ! (RS2, RS1, RS0 = 0, 1, 1Ǘฉ‫ۉ‬/ް࿋ = 0x000000) ُຕ਍स٪ഗ٪‫ئ‬ADC‫ڦ‬ገ࣑঳ࡕă໲๟ᅃ߲24࿋ኻ‫܁‬स ٪ഗăྜ‫ُܔׯ‬स٪ഗ‫֡܁ڦ‬ፕࢫLjRDYᆅগ/࿋ยዃă‫ړ‬ ఇ๕स٪ഗዐ‫ڦ‬DAT_STA࿋ยዃྺ1้Ljጒༀस٪ഗ‫ాڦ‬ ඹॽ޹े‫߳ڟ‬24࿋ገ࣑঳ࡕฉăॺᅱሞᆶ‫߲ܠ‬ఇె๼෇ཚ ‫ ڢ‬๑ ీ ้ ֑ ᆩ ኄ ዖ ፔ ݆ Lj ᅺ ྺ ጒ ༀ स ٪ ഗ ‫ ڦ‬ෙ ߲ LSB )CHD2዁CHD0*੗ඓۨገ࣑঳ࡕ‫ڦ‬ઠᇸཚ‫ڢ‬ă RS2, RS1, RS0 = 1, 0, 0Ǘฉ‫ۉ‬/ް࿋ = 0xX4 IDस٪ഗ٪‫ئ‬AD7190‫๎ڦ‬՚ஓă໲๟ᅃ߲ኻ‫܁‬स٪ഗă GPOCONस٪ഗ (RS2, RS1, RS0 = 1, 0, 1Ǘฉ‫ۉ‬/ް࿋ = 0x00) GPOCONस٪ഗ๟ᅃ߲8࿋स٪ഗLj੗ᅜٗዐ‫܁‬ൽຕ਍Lj ᄺ੗ᅜॽຕ਍ႀ෇ഄዐăُस٪ഗᆩઠ๑ీཚᆩຕጴ๼ ‫؜‬ă ՗21ଚ‫؜‬କGPOCONस٪ഗ߳࿋‫ڦ‬ఁ‫ࢅ׬‬ᅪᅭăGP0዁ GP7՗๖࿋‫ڦ‬࿋ዃLjGPຫ௽ኄၵ࿋ຌᇀGPOCONस٪ഗă GP7՗๖ຕ਍ୁ‫ڼڦ‬ᅃ࿋ăઔࡽዐ‫ڦ‬ຕኵ՗๖޿࿋‫ڦ‬ฉ‫ۉ‬/ ް࿋ఐණጒༀă Rev. B | Page 24 of 40 AD7190  GP7 0(0) GP6 BPDSW(0) GP5 GP32EN(0) GP4 GP10EN(0) GP3 P3DAT(0) GP2 P2DAT(0) GP1 P1DAT(0) GP0 P0DAT(0) ՗21. स٪ഗ߳࿋‫ڦ‬ఁ‫ࢅ׬‬ᅪᅭ ࿋‫ڦ‬࿋ዃ GP7 GP 6 ࿋‫ڦ‬ఁ‫׬‬ 0 BPDSW GP5 GP32EN GP4 GP10EN GP3 P3DAT GP2 P2DAT GP1 P1DAT GP0 P0DAT ௮ຎ ՂႷॽُ࿋Պ‫ྺײ‬இड0֍ీኟ‫߾׉‬ፕă ‫܏࠲ൃۉ‬ਸ࠲੦዆࿋ăُ࿋ᆯᆩࢽยዃLjᅜԿࢇ‫܏࠲ൃۉ‬ਸ࠲BPDSWDŽᇑAGND၎૶Džă޿ਸ࠲੗༵ ࠃ30 mA‫ڦ‬ဌ‫ୁۉ‬ăُ࿋ᆯᆩࢽൣଭLjᅜ܏ਸ‫܏࠲ൃۉ‬ਸ࠲BPDSWă‫ړ‬ADC‫ت‬ᇀู‫ۉ‬ఇ๕้Lj‫࠲ൃۉ‬ ܏ਸ࠲ධ඗ԍ‫׼‬ᆶၳă ຕጴ๼‫؜‬P3ࢅຕጴ๼‫؜‬P2๑ీăGP32ENยዃ้Ljຕጴ๼‫؜‬P3ࢅP2ྺᆶၳጒༀăGP32ENൣଭ้LjP3ࢅ P2ᆅগྺෙༀLjժ൐ࢮ୼P3DATࢅP2DAT࿋ă ຕጴ๼‫؜‬P1ࢅຕጴ๼‫؜‬P0๑ీăGP10ENยዃ้Ljຕጴ๼‫؜‬P1ࢅP0ྺᆶၳጒༀăGP10ENൣଭ้LjP1ࢅ P0๼‫ྺ؜‬ෙༀLjժ൐ࢮ୼P1DATࢅP0DAT࿋ă‫ړ‬ದዃस٪ഗዐ‫ڦ‬REFSEL࿋ยዃྺ1้LjP1ࢅP0࿋੗ᅜᆩ ፕएጚ๼෇REFIN2ă ຕጴ๼‫؜‬P3ăGP32ENยዃ้LjP3DAT࿋ยዃཚᆩ๼‫؜‬ᆅগP3‫ڦ‬ኵăP3DATྺߛ‫ۉ‬ೝ้Lj๼‫؜‬ᆅগP3ྺ ߛ‫ۉ‬ೝăP3DATྺ‫ۉگ‬ೝ้Lj๼‫؜‬ᆅগP3ྺ‫ۉگ‬ೝă‫܁‬ൽGPOCONस٪ഗ้LjසࡕGP32ENᅙยዃLjP3 DAT࿋ॽ‫ݒ‬ᆙP3ᆅগ‫ڦ‬ጒༀă ຕጴ๼‫؜‬P2ăGP32ENยዃ้LjP2DAT࿋ยዃཚᆩ๼‫؜‬ᆅগP2‫ڦ‬ኵăP2DATྺߛ‫ۉ‬ೝ้Lj๼‫؜‬ᆅগP2ྺ ߛ‫ۉ‬ೝăP2DATྺ‫ۉگ‬ೝ้Lj๼‫؜‬ᆅগP2ྺ‫ۉگ‬ೝă‫܁‬ൽGPOCONस٪ഗ้LjසࡕGP32ENᅙยዃLjP2 DAT࿋ॽ‫ݒ‬ᆙP2ᆅগ‫ڦ‬ጒༀă ຕጴ๼‫؜‬P1ăGP10ENยዃ้LjP1DAT࿋ยዃཚᆩ๼‫؜‬ᆅগP1‫ڦ‬ኵăP1DATྺߛ‫ۉ‬ೝ้Lj๼‫؜‬ᆅগP1ྺ ߛ‫ۉ‬ೝăP1DATྺ‫ۉگ‬ೝ้Lj๼‫؜‬ᆅগP1ྺ‫ۉگ‬ೝă‫܁‬ൽGPOCONस٪ഗ้LjසࡕGP10ENᅙยዃLjP1 DAT࿋ॽ‫ݒ‬ᆙP1ᆅগ‫ڦ‬ጒༀă ຕጴ๼‫؜‬P0ăGP10ENยዃ้LjP0DAT࿋ยዃཚᆩ๼‫؜‬ᆅগP0‫ڦ‬ኵăP0DATྺߛ‫ۉ‬ೝ้Lj๼‫؜‬ᆅগP0ྺ ߛ‫ۉ‬ೝăP0DATྺ‫ۉگ‬ೝ้Lj๼‫؜‬ᆅগP0ྺ‫ۉگ‬ೝă‫܁‬ൽGPOCONस٪ഗ้LjසࡕGP10ENᅙยዃLjP0 DAT࿋ॽ‫ݒ‬ᆙP0ᆅগ‫ڦ‬ጒༀă ฿ۙस٪ഗ! ஢ଉ‫ײ‬स٪ഗ! (RS2, RS1, RS0 = 1, 1, 0Ǘฉ‫ۉ‬/ް࿋ = 0x800000) ฿ۙस٪ഗԍ٪ADC‫ڦ‬฿ۙၯጚဣຕă฿ۙस٪ഗ‫ڦ‬ฉ‫ۉ‬ ް࿋ኵྺ0x800000ăAD7190ᆶ຺߲฿ۙस٪ഗLj߳ཚ‫ڢ‬਩ ᆶᅃ߲ጆᆩ฿ۙस٪ഗă߳स٪ഗ਩ྺ24࿋‫܁‬/ႀस٪ഗă ُस٪ഗᇑ၎࠲‫ڦ‬஢ଉ‫ײ‬स٪ഗᅃഐ๑ᆩLjᅜࠓ‫ׯ‬स٪ഗ ‫ܔ‬ăසࡕᆩࢽഔ‫ాۯ‬ևईဣཥଭ‫ۉ‬ೝၯጚLjฉ‫ްۉ‬࿋ኵॽ ԥጲ‫߃ޮۯ‬ăႀ෇฿ۙस٪ഗ้LjAD7190ՂႷ‫ت‬ᇀู‫ۉ‬ఇ ๕ई੣ှఇ๕ă (RS2, RS1, RS0 = 1, 1, 1Ǘฉ‫ۉ‬/ް࿋ = 0x5XXXX0) ஢ଉ‫ײ‬स٪ഗ๟ᅃ߲24࿋स٪ഗLjᆩઠԍ٪ADC‫ڦ‬஢ଉ‫ײ‬ ၯጚဣຕăAD7190ᆶ຺߲஢ଉ‫ײ‬स٪ഗLj߳ཚ‫ڢ‬਩ᆶᅃ߲ ጆᆩ஢ଉ‫ײ‬स٪ഗă஢ଉ‫ײ‬स٪ഗྺ‫܁‬/ႀस٪ഗăփࡗLj ႀ෇஢ଉ‫ײ‬स٪ഗ้LjADCՂႷ‫ت‬ᇀู‫ۉ‬ఇ๕ई੣ှఇ ๕ăኄၵस٪ഗ๟ሞฉ‫้ۉ‬ᆩ߾‫׍‬ၯጚ‫ڦ‬஢ଉ‫ײ‬ၯጚဣຕ ದዃ)ኴႜၯጚ้‫ڦ‬ሺᅮྺ1*ǗᅺُLj߳ഗॲਏᆶփཞ‫ڦ‬ఐ ණဣຕăසࡕᆩࢽഔ‫ాۯ‬ևईဣཥ஢ଉ‫ײ‬ၯጚLjईኁႀ෇ ஢ଉ‫ײ‬स٪ഗLj޿ఐණኵॽԥጲ‫߃ޮۯ‬ă Rev. B | Page 25 of 40 AD7190 ADC‫ۉ‬ୟ႑တ 5V REFIN1(+) AGND IN+ OUT+ OUT– IN– DVDD DGND AVDD AVDD AIN1 AIN2 AIN3 AIN4 AINCOM MUX AGND REFIN1(–) BPDSW Σ-Δ ADC PGA REFERENCE DETECT SERIAL INTERFACE AND CONTROL LOGIC DOUT/RDY DIN SCLK CS SYNC TEMP SENSOR AD7190 P3 P2 CLOCK CIRCUITRY MCLK1 MCLK2 07640-012 AGND P0/REFIN2(–) P1/REFIN2(+) ཮18.एԨ૶থ཮ ߁ຎ! AD7190๟ᅃ੼‫گג‬ሯำADCLjాዃΣ-Δۙ዆ഗĂ࣐؋ഗĂ PGAࢅೌాຕጴ୳հLjዷᄲᆩᇀ֪ଉ੻‫ۯ‬ༀ‫ྷݔ‬႑ࡽLj૩ සუ૰‫ߌد‬ഗĂ‫ۉ‬ጱ‫ࢅ׹‬ᆌՎऺᆌᆩዐ‫ڦ‬႑ࡽă ኄ੼ഗॲ੗ದዃྺଇୟֶ‫ݴ‬๼෇ई຺ୟ࿁ֶ‫ݴ‬๼෇Lj੗ᅜ ‫ܔ‬๼෇৊ႜ࣐؋Ljᄺ੗ᅜփ࣐؋ă཮18၂๖କ޿ഗॲ߾ፕ ໯Ⴔ‫ڦ‬एԨ૶থă ഄዐǖ fADCྺ๼‫؜‬ຕ਍໏୲ă fCLK = ዷ้ዓೕ୲)Ք‫׬‬ኵ4.92 MHz*ă FS[9:0]ྺఇ๕स٪ഗዐFS9࿋዁FS0࿋‫ڦ‬ๆ৊዆‫ڪ‬ၳኵă ๼‫؜‬ຕ਍໏୲‫ڦ‬Պ‫ྺྷݔײ‬4.7 Hz዁4800 HzLjनFS[9:0]‫ڦ‬ ኵ‫ྺྷݔ‬1዁1023ă ᅜฉࠅ๕‫ܔ‬ᇀsinc3ࢅsinc4୳հഗ਩ᆶၳăsinc4୳հഗ‫ॺڦ‬ ૬้क़‫ڪ‬ᇀǖ ୳հഗĂ๼‫؜‬ຕ਍໏୲Ăॺ૬้क़! ๼‫؜‬ຕ਍໏୲ড‫!50fADC! –10 ൽᄣN߲ཚ‫ڢ‬໯Ⴔ‫้ڦ‬क़ྺǖ –30 4/(fADC × N) –40 RDY –50 CONVERSIONS –60 CHANNEL A –70 CHANNEL B 1/fADC –80 CHANNEL C 07640-019 FILTER GAIN (dB) –20 ཮28. ཚ‫ڢ‬Ⴞଚഗ –90 0 50 100 150 200 250 300 350 400 450 500 550 600 FREQUENCY (Hz) 07640-020 ຕጴথ੨! –100 ཮27. Sinc 4୳հഗၚᆌ(50 Hz๼‫؜‬ຕ਍໏୲Ljଭჽ‫)׿‬ ཚ‫ڢ‬Ⴞଚഗ! AD7190ాዃᅃ߲ཚ‫ڢ‬ႾଚഗLj໲ሞ‫ܠ‬ཚ‫ڢ‬ᆌᆩዐ੗०ࣅᇑ ഗॲ‫ڦ‬ཚ႑ă޿Ⴞଚഗ࣏ీᆫࣅഗॲ‫ڦ‬ཚ‫ུཾڢ‬ଉLjᅺྺ ໲ࣷᅜፌॅ໏୲ൎ࣑ཚ‫ڢ‬Ljܸփ๟‫ځڪ‬SPIথ੨‫د‬ઠ‫ڦ‬ኸ ସă ૧ᆩದዃस٪ഗዐ‫ڦ‬CH0࿋዁CH7࿋੗ᅜ๑ీ໯Ⴔཚ‫ڢ‬ă ሞ૶Ⴤገ࣑ఇ๕ူLjADCӀຩႾ჋ስ߳๑ీཚ‫ڢ‬Lj඗ࢫሞ ޿ཚ‫ڢ‬ฉኴႜገ࣑ă‫߳ړ‬ཚ‫ڢ‬੗༵ࠃᆶၳገ࣑঳ࡕ้Lj RDYᆅগՎྺ‫ۉگ‬ೝă‫ړ‬ᆶ‫߲ܠ‬ཚ‫ڢ‬๑ీ้Ljጒༀस٪ഗ ‫ాڦ‬ඹᆌ޹े‫޿ڟ‬24࿋ጴฉLjᅜՍᆩࢽీ๎՚ᇑْ߳ገ࣑ ‫ܔ‬ᆌ‫ڦ‬ཚ‫ڢ‬ăྺॽጒༀस٪ഗኵ޹े‫ڟ‬ገ࣑঳ࡕฉLjᆌॽ ఇ๕स٪ഗዐ‫ڦ‬DAT_STA࿋ยዃྺ1ă සࡕ๑ీକ‫߲ܠ‬ཚ‫ڢ‬Ljሶ௅ْՎ߸ཚ‫้ڢ‬LjADCՂႷା‫؜‬ ྜኝॺ૬้क़LjᅜՍׂิᆶၳገ࣑঳ࡕăAD7190‫تڦُܔ‬ ૙‫݆ݛ‬๟ǖ჋ۨཚ‫ࢫڢ‬Ljۙ዆ഗࢅ୳հഗ਩ް࿋Ljժ൐ RDYᆅগՎྺߛ‫ۉ‬ೝLj඗ࢫା‫ྜ؜‬ኝॺ૬้क़LjᅜՍׂิ ‫ڼ‬ᅃ߲ገ࣑঳ࡕă RDYৈሞᆶၳ‫ڦ‬ገ࣑঳ࡕ੗ᆩ้֍Վྺ‫ۉگ‬ೝă඗ࢫLj AD7190჋ስူᅃ߲๑ీཚ‫ڢ‬Ljժሞ޿ཚ‫ڢ‬ฉኴႜገ࣑ă‫ړ‬ ADCሞူᅃ߲ཚ‫ڢ‬ฉኴႜገ้࣑Ljᆩࢽ੗ᅜ‫܁‬ൽຕ਍स٪ ഗă ස“ೌాस٪ഗ”և‫ݴ‬໯ຎLjAD7190‫ڦ‬੗Պ‫ీࠀײ‬ᆯᅃဣଚ ೌాस٪ഗ੦዆ăຕ਍ཚࡗഗॲ‫زڦ‬ႜথ੨ႀ෇ኄၵस٪ ഗăُথ੨࣏༵ࠃ‫ܔ‬ኄၵೌాस٪ഗ‫܁ڦ‬ൽ‫ݡ‬࿚ăᇑ޿ഗ ॲ‫ڦ‬໯ᆶཚ႑਩ՂႷᅜ‫ܔ‬ཚ႑स٪ഗ‫ڦ‬ႀ֡ፕਸ๔ăฉ‫ۉ‬ ईް࿋ኮࢫLjഗॲ೺‫ܔځ‬ഄཚ႑स٪ഗኴႜႀ֡ፕăႀ෇ ُस٪ഗ‫ڦ‬ຕ਍ਦۨူᅃ߲֡ፕ๟‫֡܁‬ፕ࣏๟ႀ֡ፕLjᅜ तُ‫֡܁‬ፕईႀ֡ፕᆖၚనᅃ߲स٪ഗăᅺُLj‫ܔ‬ഄ໲स ٪ഗ‫ڦ‬ႀ෇‫ݡ‬࿚๟ᅜ‫ܔ‬ཚ႑स٪ഗ‫ڦ‬ႀ֡ፕਸ๔Lj඗ࢫ๟ ‫ܔ‬჋ۨ‫ڦ‬स٪ഗኴႜႀ֡ፕă‫ܔ‬ഄ໲स٪ഗ‫֡܁ڦ‬ፕ)჋ስ ૶Ⴤ‫܁‬ൽఇ๕‫*ྔأ‬๟ᅜ‫ܔ‬ཚ႑स٪ഗ‫ڦ‬ႀ֡ፕਸ๔Lj඗ࢫ ๟‫ܔ‬჋ۨ‫ڦ‬स٪ഗኴႜ‫֡܁‬ፕă AD7190‫زڦ‬ႜথ੨Ԉࡤ຺߲႑ࡽǖCSĂDINĂSCLKĂ DOUT/RDYăDIN၍ୟᆩᇀॽຕ਍‫د‬๼዁ೌాस٪ഗዐLj DOUT/RDYሶᆩᇀٗೌాस٪ഗዐइൽຕ਍ăSCLK๟ഗ ॲ‫زڦ‬ႜ้ዓ๼෇Lj໯ᆶຕ਍‫د‬๼)࿮ஃ๟DINฉ࣏๟ DOUT/RDYฉ*਩၎‫ܔ‬ᇀSCLK႑ࡽ৊ႜă DOUT/RDYᆅগᄺ੗ᆩፕຕ਍৽Ⴣ႑ࡽǗ‫ړ‬๼‫؜‬स٪ഗዐ ᆶႎຕ਍ጴ੗ᆩ้Lj޿၍ୟՎྺ‫ۉگ‬ೝă‫ܔ‬ຕ਍स٪ഗ‫ڦ‬ ‫֡܁‬ፕྜ‫้ׯ‬Lj޿၍ୟް࿋ྺߛ‫ۉ‬ೝăຕ਍स٪ഗ߸ႎኮ മLj޿၍ୟᄺࣷՎྺߛ‫ۉ‬ೝLjᅜ༵๖ُ้փᆌ‫܁‬ൽഗॲLj ඓԍस٪ഗኟሞ߸ႎ้փࣷ݀ิຕ਍‫܁‬ൽ֡ፕăCSᆩᇀ჋ ስഗॲăሞ‫߲ܠ‬ഗॲᇑ‫ز‬ႜጺ၍၎૶‫ڦ‬ဣཥዐLj੗ᅜᆩCS ‫ܔ‬AD7190৊ႜ঴ஓă ٗ໯ᆶ๑ీཚ‫܁ڢ‬ൽᆶၳገ࣑঳ࡕ໯Ⴔ‫้ڦ‬क़‫ڪ‬ᇀǖ tSETTLE × ๑ీཚ‫ڢ‬ຕ Rev. B | Page 29 of 40 AD7190 ཮3ࢅ཮4၂๖କᇑAD7190৊ႜথ੨‫้ڦ‬Ⴞ཮Ljഄዐ ᆩᇀ ঴ஓ޿ഗॲă཮3၂๖‫ܔ‬AD7190‫ڦ‬๼‫؜‬ᅎ࿋स٪ഗኴႜ‫܁‬ ֡ፕ‫้ڦ‬ႾLj཮4၂๖‫ܔ‬๼෇ᅎ࿋स٪ഗኴႜႀ֡ፕ‫้ڦ‬ Ⴞăन๑ሞ‫ڼ‬ᅃْ‫֡܁‬ፕኮࢫDOUT/RDY၍ୟ‫ۉߛڟ࣮ݓ‬ ೝLjᄺ੗ᅜ‫ْٗܠ‬ຕ਍स٪ഗዐ‫܁‬ൽཞᅃ߲ጴăփࡗLjՂ Ⴗඓԍሞူᅃ๼‫߸؜‬ႎ݀ิኮമLjኄၵ‫֡܁‬ፕᅙྜ‫ׯ‬ă૶ Ⴤ‫܁‬ൽఇ๕ူLjኻీٗຕ਍स٪ഗ‫܁‬ൽᅃْă ॽCSᇑ‫ۉگ‬ೝ၎૶้Lj‫ز‬ႜথ੨੗ᅜሞෙ၍๕ఇ๕ူ߾ ፕăُ้LjSCLKĂDINࢅDOUT/RDY၍ୟᆩઠᇑAD7190 ཚ႑ă੗ᅜᆩRDY࿋ईᆅগ॔੦ገ࣑๟‫ޏ‬঳ຐăኄዖ‫ݛ‬ӄ ๢ࢇᇑྲ੦዆ഗ৊ႜথ੨ă සࡕCSႴᄲᆩፕ঴ஓ႑ࡽLj੗ᅜٗ‫܋‬੨ᆅগዐׂิ޿႑ ࡽă‫ܔ‬ᇀྲ੦዆ഗথ੨LjॺᅱSCLKሞຕ਍‫د‬๼ኮक़ྺ੣ှ ߛ‫ۉ‬ೝጒༀă AD7190੗ሞCSᆩፕኡཞօ႑ࡽ‫ڦ‬൧઄ူ߾ፕăኄዖ‫ݛ‬ӄ ๢ᆩᇀDSPথ੨ăُ้LjᆯᇀሞDSPዐLjCSᅃӯ‫؜‬၄ሞ SCLK‫ူڦ‬ইᄂኮࢫLjᅺُ‫ڼ‬ᅃ࿋(MSB)ࣷԥCSᆶၳ‫ں‬ໃ ‫؜‬ăኻᄲፏ๰้Ⴞຕᄲ൱LjSCLKՍ੗ሞຕ਍ገ࣑ኮक़ीჄ ሏႜă ॽᅃဣଚ1ႀ෇DIN๼෇Lj੗ᅜ๑޿‫ز‬ႜথ੨ް࿋ăසࡕॽ இड1ႀ෇AD7190 DIN၍ୟժ‫׼‬Ⴤ዁ณ40߲‫ز‬ႜ้ዓዜ೺Lj ޿‫ز‬ႜথ੨Սࣷް࿋ăසࡕ෉ॲ‫ٱ‬ဃईဣཥࠤቱ‫ڞ‬ዂথ੨ ้Ⴞ۪฿Ljኄዖ‫ॽ݆ݛ‬੗ඓԍথ੨ް࿋‫ڟ‬ᅙኪጒༀăް࿋ ๑থ੨‫ڟ࣮ݓ‬೺‫ܔځ‬ཚ႑स٪ഗኴႜႀ֡ፕ‫ڦ‬ጒༀă޿֡ ፕࣷॽ໯ᆶस٪ഗ‫ాڦ‬ඹް࿋‫ڟ‬ഄฉ‫ۉ‬ኵăް࿋ኮࢫLjᆩ ࢽᆌ‫ځڪ‬500 μs֍ీ‫ݡ‬࿚‫ز‬ႜথ੨ă AD7190੗ᅜದዃྺ૶Ⴤገ࣑ఇ๕ई‫ْڇ‬ገ࣑ఇ๕ă൩֖९ ཮29዁཮31ă ‫ْڇ‬ገ࣑ఇ๕! ‫ْڇ‬ገ࣑ఇ๕ူLjAD7190ሞྜ‫ׯ‬ገ࣑ࢫ‫ت‬ᇀู‫ۉ‬ఇ๕ăॽ ఇ๕स٪ഗዐ‫ڦ‬MD2ĂMD1ࢅMD0‫ݴ‬՚ยዃྺ0Ă0Ă1Lj Ս੗ഔ‫ْڇۯ‬ገ࣑Ljُ้AD7190ॽฉ‫ۉ‬Ljኴႜ‫ْڇ‬ገ࣑Lj ඗ࢫ‫ۉู࣮ݓ‬ఇ๕ăೌాና‫ږ‬ഗฉ‫ۉ‬Ⴔᄲ‫ٷ‬ሀ1 msă ྜ‫ׯ‬ገ࣑ࢫLjDOUT/RDYՎྺ‫ۉگ‬ೝăٗຕ਍स٪ഗዐ‫܁‬ ൽຕ਍ጴࢫLjDOUT/RDYՎྺߛ‫ۉ‬ೝăසࡕCSྺ‫ۉگ‬ೝLj DOUT/RDYॽԍ‫ۉߛ׼‬ೝLj኱‫ڟ‬ᆼഔ‫ۯ‬ժྜ‫ׯ‬ᅃْገ࣑ྺ ኹăසࡕႴᄲLjन๑DOUT/RDYᅙՎྺߛ‫ۉ‬ೝLjᄺ੗ᅜ‫ܠ‬ ْ‫܁‬ൽຕ਍स٪ഗă සࡕ๑ీକ‫߲ܠ‬ཚ‫ڢ‬LjADCॽᅈْ჋ስ߳๑ీཚ‫ڢ‬Ljժሞ ޿ཚ‫ڢ‬ฉኴႜገ࣑ăገ࣑ഔ‫ࢫۯ‬LjDOUT/RDYՎྺߛ‫ۉ‬ೝ ժԍ‫޿׼‬ጒༀLj኱‫ڟ‬ᆶၳገ࣑঳ࡕ੗ᆩྺኹăገ࣑঳ࡕᅃ ‫ڋ‬੗ᆩLjDOUT/RDYՍࣷՎྺ‫ۉگ‬ೝă඗ࢫLjADC჋ስူ ᅃ߲ཚ‫ڢ‬ժਸ๔ገ࣑ăሞኴႜူᅃገ࣑ࡗ‫ײ‬ዐLjᆩࢽ੗ᅜ ‫܁‬ൽ‫ړ‬മ‫ڦ‬ገ࣑঳ࡕăူᅃገ࣑ᅃ‫ׯྜڋ‬Ljຕ਍स٪ഗՍ ࣷ߸ႎǗᅺُLjᆩࢽ‫܁‬ൽገ࣑঳ࡕ‫้ڦ‬क़๟ᆶ၌‫ڦ‬ăADC ሞ߳჋ስཚ‫ڢ‬ฉ਩ྜ‫ׯ‬ᅃْገ࣑ࢫLjՍࣷ‫ۉู࣮ݓ‬ఇ๕ă සࡕఇ๕स٪ഗዐ‫ڦ‬DAT_STA࿋ยዃྺ1Ljሶ௅ْኴႜຕ ਍‫܁‬ൽ้Ljጒༀस٪ഗ‫ాڦ‬ඹॽᇑገ࣑঳ࡕᅃཞ๼‫؜‬ăጒ ༀस٪ഗ‫຺߲ڦ‬LSBኸ๖ገ࣑‫ܔ‬ᆌ‫ڦ‬ཚ‫ڢ‬ă CS 0x08 0x280060 0x58 DIN DATA 07640-021 DOUT/RDY SCLK ཮29.‫ْڇ‬ገ࣑ Rev. B | Page 30 of 40 AD7190  ૶Ⴤገ࣑ఇ๕! ૶Ⴤገ࣑๟ఐණฉ‫ۉ‬ఇ๕ăAD7190૶Ⴤገ࣑Lj௅ْገ࣑ྜ ‫้ׯ‬Ljጒༀस٪ഗዐ‫ڦ‬RDY࿋Վྺ‫ۉگ‬ೝăසࡕCSྺ‫ۉگ‬ ೝLjሶ‫ړ‬ᅃْገ࣑ྜ‫้ׯ‬LjDOUT/RDY၍ୟᄺࣷՎྺ‫ۉگ‬ ೝăැᄲ‫܁‬ൽገ࣑঳ࡕLjᆩࢽႴᄲႀ෇ཚ႑स٪ഗLjኸ๖ ူᅃ֡ፕྺ‫܁‬ൽຕ਍स٪ഗăٗຕ਍स٪ഗዐ‫܁‬ൽຕ਍ጴ ࢫLjDOUT/RDYՎྺߛ‫ۉ‬ೝăසႴᄲLjᆩࢽ੗ᅜ‫܁ْܠ‬ൽ ޿स٪ഗă‫ڍ‬๟LjᆩࢽՂႷඓԍሞူᅃገ࣑ྜ‫้ׯ‬Lj‫ܔ‬ຕ ਍स٪ഗ‫ݡڦ‬࿚ᅙঢ়঳ຐLj‫ޏ‬ሶႎገ࣑ጴॽ۪฿ă සࡕ๑ీକ‫߲ܠ‬ཚ‫ڢ‬LjADCॽ૶Ⴤთ࣍჋ስ߳๑ీཚ‫ڢ‬Lj ௅ْთ࣍਩ࣷሞ௅߲ཚ‫ڢ‬ฉኴႜᅃْገ࣑ăᅃ‫ڋ‬इ‫ڥ‬ገ࣑ ঳ࡕLj৽ࣷ૬न߸ႎຕ਍स٪ഗă௅ْገ࣑঳ࡕ੗ᆩ้Lj DOUT/RDYᆅগ਩ࣷՎྺ‫ۉگ‬ೝă඗ࢫLjᆩࢽ੗ᅜ‫܁‬ൽገ ࣑঳ࡕLjཞ้ADCሞူᅃ߲๑ీཚ‫ڢ‬ฉኴႜገ࣑ă සࡕఇ๕स٪ഗዐ‫ڦ‬DAT_STA࿋ยዃྺ1Ljሶ௅ْኴႜຕ ਍‫܁‬ൽ้Ljጒༀस٪ഗ‫ాڦ‬ඹॽᇑገ࣑঳ࡕᅃཞ๼‫؜‬ăጒ ༀस٪ഗኸ๖ገ࣑‫ܔ‬ᆌ‫ڦ‬ཚ‫ڢ‬ă CS 0x58 0x58 DIN DATA DATA 07640-022 DOUT/RDY SCLK ཮30.૶Ⴤገ࣑ Rev. B | Page 31 of 40 AD7190 ૶Ⴤ‫܁‬ൽ! ੗ᅜ‫ܔ‬AD7190৊ႜದዃLj๑‫ڥ‬௅ْገ࣑ྜ‫้ׯ‬Ljገ࣑঳ࡕ ࣷጲ‫ۯ‬ዃᇀDOUT/RDY၍ୟฉLjܸ࿮Ⴔ௅ْႀ෇ཚ႑स٪ ഗᅜ‫ݡ‬࿚ຕ਍ăॽ01011100ႀ෇ཚ႑स٪ഗࢫLjᆩࢽኻႴ ྺADC༵ࠃ๢‫ڦړ‬SCLKዜ೺ຕLjኄᄣ‫ړ‬ገ࣑ྜ‫้ׯ‬Ljገ ࣑ጴՍࣷጲ‫ۯ‬ዃᇀDOUT/RDY၍ୟฉăADCᆌದዃྺ૶Ⴤ ገ࣑ఇ๕ă ‫ړ‬DOUT/RDYՎྺ‫ۉگ‬ೝLj༵๖ገ࣑ᅙ঳ຐ้LjՂႷྺ ADC༵ࠃፁࠕ‫ڦ‬SCLKዜ೺ຕă඗ࢫLjຕ਍ገ࣑঳ࡕՍࣷ ዃᇀDOUT/RDY၍ୟฉă‫܁‬ൽገ࣑঳ࡕࢫLjDOUT/RDY‫ݓ‬ ࣮‫ۉߛڟ‬ೝLj኱‫ူڟ‬ᅃገ࣑঳ࡕ੗ᆩྺኹăኄዖఇ๕ူLj ຕ਍ኻీ‫܁‬ൽᅃْăᆩࢽժ൐ՂႷඓԍຕ਍ጴ‫܁ڦ‬ൽራᇀ ူᅃገ࣑ྜ‫ׯ‬ăසࡕሞူᅃገ࣑ྜ‫ׯ‬ኮമLjᆩࢽช࿄‫܁‬ൽ ገ࣑঳ࡕLjईኁྺAD7190༵ࠃ‫زڦ‬ႜ้ዓຕփፁᅜ‫܁‬ൽገ ࣑ጴLjሶ‫ူړ‬ᅃገ࣑ྜ‫้ׯ‬Lj‫ز‬ႜ๼‫؜‬स٪ഗॽް࿋Ljႎ ገ࣑঳ࡕॽዃᇀ๼‫ز؜‬ႜस٪ഗዐă ැᄲཽ‫૶؜‬Ⴤ‫܁‬ൽఇ๕LjՂႷሞRDYᆅগྺ‫ۉگ‬ೝ้ॽኸ ସ01011000ႀ෇ཚ႑स٪ഗăሞ૶Ⴤ‫܁‬ൽఇ๕ူLjADCࣷ ॔੦DIN၍ୟฉ‫ڦ‬ऄ‫ۯ‬LjᅜՍీথ๭ኸସᅜཽ‫૶؜‬Ⴤ‫܁‬ൽ ఇ๕ăُྔLjසࡕDINฉ‫؜‬၄40߲૶Ⴤ1LjADCॽް࿋ă ᅺُLjሞ૶Ⴤ‫܁‬ൽఇ๕ူLjDINᆌԍ‫ۉگ׼‬ೝLj኱‫ڟ‬ᆶኸ ସॽᄲႀ෇޿ഗॲă සࡕ๑ీକ‫߲ܠ‬ཚ‫ڢ‬LjADCॽ૶Ⴤᅈْ჋ስ߳๑ీཚ‫ڢ‬Lj ժሞ໯჋ཚ‫ڢ‬ฉኴႜᅃْገ࣑ă‫ړ‬ᅃ߲ገ࣑঳ࡕ੗ᆩ้Lj DOUT/RDYՍࣷՎྺ‫ۉگ‬ೝă‫ړ‬ᆩࢽแेፁࠕ‫ڦܠ‬SCLK ஞ؋้Ljຕ਍Սࣷጲ‫ۯ‬ዃᇀDOUT/RDYᆅগฉăසࡕఇ ๕स٪ഗዐ‫ڦ‬DAT_STA࿋ยዃྺ1Ljጒༀस٪ഗ‫ాڦ‬ඹॽ ᇑገ࣑঳ࡕᅃཞ๼‫؜‬ăጒༀस٪ഗኸ๖ገ࣑‫ܔ‬ᆌ‫ڦ‬ཚ‫ڢ‬ă CS 0x5C DIN DATA DATA DATA 07640-023 DOUT/RDY SCLK ཮31.૶Ⴤ‫܁‬ൽ Rev. B | Page 32 of 40 AD7190  ‫ۉ‬ୟ௮ຎ ఇె๼෇ཚ‫!ڢ‬ ມटႠ0‫ڇ‬टႠದዃ AD7190ਏᆶଇֶ߲‫ݴ‬/຺߲࿁ֶ‫ݴ‬ఇె๼෇ཚ‫ڢ‬Lj੗ᅜԥ ದዃྺ࣐؋ई࿮࣐؋ăሞ࣐؋ఇ๕ူ)ದዃस٪ഗዐ‫ڦ‬BUF ࿋ยዃྺ1*Lj๼෇ཚ‫ڢ‬ઍ෇࣐؋‫ٷݣ‬ഗ‫ߛڦ‬ፆੇ๼෇पă ᅺُLj๼෇‫ࠕీ܋‬ఱ๴ঞ‫ڦٷ‬ᇸፆੇLj๢ࢇᇑྔևፆႠ‫د‬ ߌഗ኱থ၎૶Lj૩සᆌՎऺई‫ۉ‬ፆ๕࿒‫܈‬ॠ֪ഗ(RTD) ‫ڪ‬ă AD7190‫ڦ‬ఇె๼෇‫܋‬੗ᅜথ๴‫ڇ‬टႠईມटႠ๼෇‫ۉ‬უ‫ݔ‬ ྷăມटႠ๼෇‫ྷݔ‬ժփ՗๖޿ഗॲ੗ᅜఱ๴၎‫ܔ‬ᇀဣཥ AGND‫ۉ޶ڦ‬უăሞ࿁ֶ‫ݴ‬ఇ๕ူLj႑ࡽᅜAINCOMྺए ጚLjܸሞֶ‫ݴ‬ఇ๕ူLj႑ࡽᅜֶ‫޶ڦܔݴ‬๼෇ྺएጚă૩ සLjසࡕAINCOMྺ2.5 VLjAD7190 AIN1ఇె๼෇‫܋‬ದዃ ྺ‫ڇ‬टႠఇ๕Ljժ൐ሺᅮྺ2Ljሶ‫֑ړ‬ᆩ2.5 Vएጚ‫ۉ‬უᇸ้Lj AIN1ᆅগ‫ڦ‬๼෇‫ۉ‬უ‫ྺྷݔ‬2.5 V዁3.75 VăසࡕAINCOM ྺ2.5 VLjAD7190 AIN1ఇె๼෇‫܋‬ದዃྺມटႠఇ๕Ljժ ൐ሺᅮྺ2LjሶAIN1ᆅগ‫ڦ‬ఇె๼෇‫ྺྷݔ‬1.25 V዁3.75 Vă ‫ړ‬BUF = 0้Lj޿ഗॲᅜ‫࣐ݥ‬؋ఇ๕߾ፕăኄॽ‫ڞ‬ዂডߛ‫ڦ‬ ఇె๼෇‫ୁۉ‬ă൩ጀᅪLj޿‫࣐ݥ‬؋๼෇ୟ০‫ܔ‬ൻ‫ۯ‬ᇸ‫װ‬၄ ‫ۯ؜‬ༀ‫޶ڦ‬ሜăᅺُLj๼෇ᆅগฉ‫ۉڦ‬ፆᇑ‫ۉ‬ඹፇࢇ੗ీ ࣷᆅഐሺᅮဃֶLjਏ༹ൽਦᇀൻ‫ۯ‬ADC๼෇‫ڦ‬႑ࡽᇸ‫ڦ‬๼ ‫؜‬ፆੇă՗22၂๖କྺሞ20࿋‫ݴ‬Ր୲຤ೝ้փዂᆅ෇ሺᅮ ဃֶLj‫࣐ݥ‬؋ఇ๕ူĂሺᅮྺ1้ྔև‫ۉ‬ፆ/‫ۉ‬ඹ‫ڦ‬ඹႹ ኵă ՗22. ࿮20࿋ሺᅮဃֶ้‫ྔڦ‬ևR-Cፇࢇ C (pF) R (Ω) 50 1.4 k 100 850 500 300 1000 230 5000 30 ມटႠ/‫ڇ‬टႠ჋ၜ੗ཚࡗ‫ܔ‬ದዃस٪ഗዐ‫ڦ‬U/B࿋৊ႜՊ ‫ײ‬ઠ჋ስă ຕ਍๼‫؜‬Պஓ ‫ړ‬ADCದዃྺ‫ڇ‬टႠ߾ፕఇ๕้Lj๼‫؜‬ஓྺጲ඗)኱၍*ܾ ৊዆๕Ljଭֶ‫ݴ‬๼෇‫ۉ‬უ‫ܔ‬ᆌ‫ڦ‬ஓྺ00...00Ljዐक़‫ۉ‬ೝ‫ۉ‬ უ ‫ ܔ‬ᆌ ‫ ڦ‬ஓ ྺ 100...000Lj ஢ ଉ ‫ ײ‬๼ ෇ ‫ ۉ‬უ ‫ ܔ‬ᆌ ‫ ڦ‬ஓ ྺ 111...111ăඪᅪఇె๼෇‫ۉ‬უ‫ڦ‬๼‫؜‬ஓ੗ᅜ՗๖ྺǖ ๼‫؜‬ஓ = (2N × AIN × gain)/VREF ࣐؋ఇ๕ူLjਨ‫ܔ‬๼෇‫ۉ‬უ‫ྷݔ‬၌ᇀAGND + 250 mV዁ AVDD – 250 mVኮक़ăยዃࠌఇ‫ۉ‬უ้ՂႷၭ႐Ljඓԍփᄲ ‫ࡗג‬ኄၵ၌዆ă‫ޏ‬ሶLj၍Ⴀ‫ࢅ܈‬ሯำႠీࣷူইă ‫࣐ݥ‬؋ఇ๕ူLjਨ‫ܔ‬๼෇‫ۉ‬უԈࡤAGND – 50 mV዁AVDD + 50 mVኮक़‫ۉڦ‬უă޶ਨ‫ܔ‬๼෇‫ۉ‬უ၌዆ྺ॔੦၎‫ܔ‬ᇀ AGND‫ڦ‬ኈມटႠၭ႑ࡽ༵ࠃକཉॲă PGA සࡕ๑ీሺᅮपLj࣐؋ഗ๼‫ॽ؜‬แेᇀ੗Պ‫ײ‬ሺᅮንଚ (PGA)‫ڦ‬๼෇‫܋‬ăPGA‫ڦ‬٪ሞᅪ࿆ጣၭ‫ޗ‬ኵ႑ࡽ੗ᅜሞ AD7190ా‫ٷݣ‬Ljཞ้ධ඗ԍ‫؜׼‬෥‫ڦ‬ሯำႠీă૩සLj‫ړ‬ ሺᅮยዃྺ128้Lj਩‫ߵݛ‬ሯำ‫ۆ‬႙ኵྺ8.5 nVǗሞ๼‫؜‬ຕ ਍໏୲ྺ4.7 Hz้Ljኄ၎‫ړ‬ᇀ23࿋ᆶၳ‫ݴ‬Ր୲ई20.5࿋࿮ሯ ำ‫ݴ‬Ր୲ă ૧ᆩದዃस٪ഗዐ‫ڦ‬G2࿋዁G0࿋Lj੗ᅜॽAD7190‫ڦ‬ሺᅮ ยዃྺ1Ă8Ă16Ă32Ă64ई128ăᅺُLj֑ᆩ2.5 Vྔևएጚ ‫ۉ‬უᇸ้Lj‫ڇ‬टႠ‫ྺྷݔ‬0 mV - 19.53 mV዁0 V - 2.5 VLjມ टႠ‫ྷݔ‬ሶྺ±19.53 mV዁±2.5 Vă ‫ړ‬ADCದዃྺມटႠ߾ፕఇ๕้Lj๼‫؜‬ஓྺೋᅎܾ৊዆ ๕Lj޶஢ଉ‫ۉײ‬უ‫ܔ‬ᆌ‫ڦ‬ஓྺ000...000Ljଭֶ‫ݴ‬๼෇‫ۉ‬უ ‫ ܔ‬ᆌ ‫ ڦ‬ஓ ྺ 100...000Lj ኟ ஢ ଉ ‫ ײ‬๼ ෇ ‫ ۉ‬უ ‫ ܔ‬ᆌ ‫ ڦ‬ஓ ྺ 111...111ăඪᅪఇె๼෇‫ۉ‬უ‫ڦ‬๼‫؜‬ஓ੗ᅜ՗๖ྺǖ ๼‫؜‬ஓ = 2N – 1 × [(AIN × gain/VREF) + 1] ഄዐǖ AINྺఇె๼෇‫ۉ‬უă gainྺPGAሺᅮยዃ(1዁128)ă N = 24ă ้ዓ AD7190ాዃᅃ߲4.92 MHzೌా้ዓLjഄࠅֶྺ±4%ă੗ᅜ ๑ᆩ޿ాև้ዓईగᅃྔևৗና/้ዓፕྺ޿ഗॲ‫้ڦ‬ዓ ᇸă้ዓᇸᆯఇ๕स٪ഗዐ‫ڦ‬CLK1ࢅCLK0࿋჋ስă๑ᆩ ྔևৗና้LjՂႷॽഄ૶থሞMCLK1ࢅMCLK2ᆅগฉă ৗና዆ሰฆ༵ࣷࠃ࠲ᇀৗና໯Ⴔ޶ሜ‫ۉ‬ඹ‫ॺڦ‬ᅱኵă AD7190‫ڦ‬MCLK1ࢅMCLK2ᆅগ‫ۉڦ‬ඹ‫ۆ‬႙ኵྺ15 pFă๑ ᆩྔև้ዓᇸ้LjՂႷॽഄᇑMCLK2ᆅগ၎૶LjMCLK1 ᆅগՂႷԍ‫ޝ׼‬੣ă ఇె๼෇‫ྷݔ‬ՂႷ၌዆ሞ(AVDD − 1.25 V)/ሺᅮᅜాLjᅺྺ PGAႴᄲᅃۨ‫ڦ‬ᇧଉăᅺُLjසࡕAVDD = 5 VLjሶ੗แे ᇀAD7190‫ڦ‬ፌ‫ٷ‬ఇె๼෇ྺ0 - 3.75 V/ሺᅮ)‫ڇ‬टႠఇ๕*ई ±3.75 V/ሺᅮ)ມटႠఇ๕*ă Rev. B | Page 33 of 40 AD7190 ޿ాև้ዓᄺ੗ᅜሞMCLK2ᆅগฉྺഗॲ༵ࠃ้ዓă‫ړ‬ᆌ ᆩዐ๑ᆩ‫߲ܠ‬ADCLjժ൐ኄၵഗॲႴᄲཞօ้Ljኄዖ‫݆ݛ‬ ࢔ᆶᆩăᅃ߲ഗॲ‫ాڦ‬և้ዓ੗ᅜᆩፕဣཥዐ໯ᆶADC‫ڦ‬ ้ዓᇸă๑ᆩࠅࠌ้ዓ้Lj‫ܔ‬໯ᆶഗॲแेࠅࠌް࿋႑ ࡽLjईኁᆩஞ؋ൻ‫ۯ‬SYNCᆅগLjՍ੗๑໯ᆶഗॲཞօă घ૤‫!ୁۉ‬ AD7190ాዃଇ߲500 nA࢛ୁ݀ิഗLjᅃ߲༵ࠃٗAVDD‫ڟ‬ AIN(+)‫ڦ‬ᇸ‫ୁۉ‬Ljᅃ߲༵ࠃٗAIN(−)‫ڟ‬AGND‫ڦ‬ဌ‫ୁۉ‬Lj ഄዐAIN(+)ྺኟఇె๼෇ᆅগLjAIN(−)ྺ޶ఇె๼෇ᆅগ )ֶ‫ݴ‬ఇ๕*ईAINCOM)࿁ֶ‫ݴ‬ఇ๕*ăኄၵ‫ୁۉ‬ൎ࣑዁჋ ۨ‫ڦ‬ఇె๼෇‫ܔ‬ăኄଇ߲‫ୁۉ‬ईਸई࠲Ljൽਦᇀದዃस٪ ഗዐ‫ڦ‬घ૤‫ୁۉ‬๑ీ(Burn)࿋ă‫׈‬๬ሞఇె๼෇ཚ‫ڢ‬ฉኴ ႜ֪ଉኮമLj੗ᅜ๑ᆩኄၵ‫ୁۉ‬ઠඓණྔև‫ߌد‬ഗ๟‫ޏ‬ኟ ‫߾׉‬ፕăথཚघ૤‫ࢫୁۉ‬Lj‫ྔ෇ୁୁۉ‬և‫ߌد‬ഗ‫ۉ‬ୟLj඗ ࢫՍ੗ሞఇె๼෇ཚ‫ڢ‬ฉ֪ଉ๼෇‫ۉ‬უă๑ᆩघ૤‫ୁۉ‬ॠ ֪ਸୟཉॲႴᄲᅃۨ‫้ڦ‬क़Ljᅺྺኄၵ‫ୁۉ‬Ⴔᄲߴ໯ᆶྔ և‫ۉ‬ඹ؊‫ۉ‬ă ॠ֪‫ࠤڟ‬ቱཉॲ‫ڦ‬ᇱᅺᆶ‫ݛܠ‬௬ăമ‫ߌد܋‬ഗ੗ీਸୟă ᄺ੗ీ๟മ‫ߌد܋‬ഗࡗሜLjईኁඍณएጚ‫ۉ‬უLjժ൐ጒༀ स٪ഗዐ‫ڦ‬NOREF࿋ᅙยዃLj‫ڞ‬ዂຕ਍ഭ࿋ሞඇ1ăᆩࢽ Ⴔᄲॠֱኄෙዖ൧઄Lj඗ࢫፔ‫؜‬ಒ܏ăසࡕ֪‫ۉڦڥ‬უྺ 0 VLjሶ੗ీ๟‫ߌد‬ഗ‫܌‬ୟăසࡕ࣐؋ఇె๼෇ժ্ᆩቘ հLjሶ‫ୁۉ‬ᇸ੗ᅜ߾ፕሞኟ‫׉‬ਨ‫ܔ‬๼෇‫ۉ‬უ‫ྷݔ‬ᅜฉă एጚ‫ۉ‬უ! ‫ܔ‬ᇀएጚ‫ۉ‬უཚ‫ڢ‬Lj޿ADCਏᆶྜඇֶ‫ݴ‬๼෇ీ૰ăُ ྔLjᆩࢽ੗ᅜٗଇዖྔևएጚ‫ۉ‬უ჋ၜዐ჋ስഄᅃ )REFIN1(x)ईREFIN2(x)*ă๑ᆩದዃस٪ഗዐ‫ڦ‬REFSEL࿋ ੗ᅜ჋ስAD7190‫ڦ‬एጚ‫ۉ‬უᇸăREFIN2(x)ᆅগਏᆶມዘ ፕᆩǖ़੗ᅜᆩፕଇ߲ཚᆩ๼‫؜‬ᆅগLjᄺ੗ᅜᆩፕएጚ‫ۉ‬ უᆅগă‫ړ‬REFSEL࿋ยዃྺ1้Ljኄၵᆅগጲ‫ۯ‬ᆩፕएጚ ‫ۉ‬უᆅগă ኄၵֶ‫ݴ‬๼෇‫ࠌڦ‬ఇ‫ྺྷݔ‬AGND዁AVDDăएጚ‫ۉ‬უ๼෇ ๟‫࣐ݥ‬؋๕ǗᅺُLjࡗ‫ڦٷ‬R-Cᇸፆੇࣷᆅ෇ሺᅮဃֶă Ք‫׬‬एጚ‫ۉ‬უREFIN (REFINx(+) − REFINx(−))ྺAVDDLj‫ڍ‬ AD7190੗ᅜ֑ᆩ1 V዁AVDD‫ڦాྷݔ‬एጚ‫ۉ‬უ߾ፕăසࡕ ᆌᆩዐఇె๼෇‫ߌدڦ܋‬ഗ‫ڦ‬घ૤)‫ۉ‬უई‫*ୁۉ‬ᄺൻ‫ۯ‬ഗ ॲ‫ڦ‬एጚ‫ۉ‬უLjሶघ૤ᇸዐ‫گ‬ೕሯำ‫ڦ‬ᆖၚॽ‫ڥ‬ᅜၩ‫أ‬Lj ᅺྺᆌᆩ๟Բ୲๕‫ڦ‬ăසࡕሞ‫ݥ‬Բ୲๕ᆌᆩዐ๑ᆩ AD7190Lj൩๑ᆩ‫گ‬ሯำएጚ‫ۉ‬უᇸă ‫ܔ‬ᇀAD7190Ljॺᅱ๑ᆩ‫ڦ‬2.5 Vएጚ‫ۉ‬უᇸԈઔADR421ࢅ ADR431Ljܾኁ਩ྺ‫گ‬ሯำएጚ‫ۉ‬უᇸă࣏ᆌጀᅪLjएጚ ‫ۉ‬უ๼෇༵ࠃߛፆੇĂ‫ۯ‬ༀ޶ሜăᆯᇀ߳एጚ‫ۉ‬უ๼෇‫ڦ‬ ๼෇ፆੇ๟‫ۯ‬ༀ‫ڦ‬Ljᅺُኄၵ๼෇ฉ‫ۉڦ‬ፆᇑ‫ۉ‬ඹፇࢇ੗ ీࣷᆅഐ኱ୁሺᅮဃֶLjਏ༹ൽਦᇀൻ‫ۯ‬एጚ‫ۉ‬უ๼෇‫ڦ‬ ႑ࡽᇸ‫ڦ‬๼‫؜‬ፆੇă ዮසᅜฉླྀ४‫ڦ‬ኄၵएጚ‫ۉ‬უᇸ(૩සADR431)ਏᆶ‫گ‬๼‫؜‬ ፆੇLjᅺܸREFINx(+)ฉ੗ᅜᆶඁ᳘‫ۉ‬ඹLjܸփࣷߴဣཥ ‫ټ‬ઠሺᅮဃֶăසࡕሞྔև‫ۉ‬ፆฉइൽएጚ๼෇‫ۉ‬უLjሶ ᅪ࿆ጣएጚ‫ۉ‬უ๼෇‫܋‬ਏᆶ࢔‫ྔڦٷ‬ևᇸፆੇă‫ܔ‬ᇀُૌ ‫ۉ‬ୟದዃLjփླྀ४ሞREFINxᆅগฉ৊ႜྔևඁ᳘ă एጚ‫ۉ‬უॠ֪! AD7190ࡤᆶೌా‫ۉ‬ୟLj੗ᅜॠ֪ഗॲ๟‫ޏ‬ᆶᆩᇀገ࣑ईၯ ጚ‫ڦ‬ᆶၳएጚ‫ۉ‬უăॽದዃस٪ഗዐ‫ڦ‬REFDET࿋ยዃྺ 1Lj੗ᅜ๑ీُ༬Ⴀăසࡕ჋ۨ‫ڦ‬REFINx(+)ᇑREFINx(–) ᆅগኮक़‫ۉڦ‬უሞ0.3 Vᇑ0.6 Vኮक़LjሶAD7190ಒ܏໲փ ምਏᆶᆶၳ‫ڦ‬एጚ‫ۉ‬უăُ้Ljጒༀस٪ഗዐ‫ڦ‬NOREF࿋ ยዃྺ1ăසࡕAD7190ኟሞኴႜኟ‫׉‬ገ࣑LjܸNOREF࿋Վ ྺᆶၳLjሶገ࣑঳ࡕॽྺඇ1ăᅺُLjժ࿮Ղᄲሞኴႜገ ้࣑‫׼‬Ⴤ॔੦NOREF࿋‫ڦ‬ጒༀLjኻႴሞٗADCຕ਍स٪ഗ ‫܁‬ൽ‫ڦ‬ገ࣑঳ࡕྺඇ1้ᄓኤഄጒༀăසࡕAD7190ኟሞኴ ႜ฿ۙई஢ଉ‫ײ‬ၯጚLjܸNOREF࿋ՎྺᆶၳLjሶॽ্ኹ၎ ᆌၯጚस٪ഗ߸ႎLjᅜ௨ኄၵस٪ഗሜ෇‫ٱ‬ဃ‫ڦ‬ဣຕLjཞ ้ࣷยዃጒༀस٪ഗ‫ڦ‬ERR࿋ăසࡕᆩࢽփᇼᅪ௅ْኴႜ ၯጚ้‫ۼ‬ᄲᄓኤ๟‫ޏ‬٪ሞᆶၳ‫ڦ‬एጚ‫ۉ‬უᇸLj੗ᅜሞၯጚ ዜ೺঳ຐ้ॠֱERR࿋‫ڦ‬ጒༀă ް࿋! ‫ܔ‬AD7190૶Ⴤႀ෇1Lj੗ᅜ๑޿ഗॲ‫ۉڦ‬ୟࢅ‫ز‬ႜথ੨ް ࿋ăኴႜް࿋Ⴔᄲ40߲૶Ⴤ1ăኄॽް࿋இडĂຕጴ୳հ ഗࢅఇెۙ዆ഗLjܸٗ໯ᆶೌాस٪ഗް࿋ྺఐණኵăฉ ‫้ࣷۉ‬ጲ‫ۯ‬ኴႜް࿋ăഔ‫ްۯ‬࿋ኮࢫLjᆩࢽՂႷ‫ځڪ‬500 μ s֍ీ‫ݡ‬࿚ೌాस٪ഗăසࡕSCLK၍ୟฉ‫ڦ‬ሯำ‫ڞ‬ዂ‫ز‬ႜ থ੨ෟ฿ཞօLjሶ੗ኴႜް࿋ᅜ࣬ްཞօă Rev. B | Page 34 of 40 AD7190  ဣཥཞօ! ࿒‫ߌد܈‬ഗ ૧ᆩSYNC๼෇Ljᆩࢽ੗ᅜް࿋ۙ዆ഗࢅຕጴ୳հഗLjܸ փࣷᆖၚഗॲ‫ڦ‬ඪࢆยዃཉॲăᅺُLjᆩࢽ੗ᅜٗᅙኪ้ क़‫ۅ‬LjनSYNCฉืᄂਸ๔֑णఇె๼෇‫ڦ‬ᄣԨăྺํ၄ ཞօࠀీLjSYNCႴᄲՎྺ‫ۉگ‬ೝժԍ‫຺߲׼‬ዷ้ዓዜ ೺ă AD7190ాഴ࿒‫ߌد܈‬ഗă૧ᆩದዃस٪ഗዐ‫ڦ‬CH2࿋੗ᅜ ჋ስ࿒‫ߌد܈‬ഗăසࡕCH2࿋ยዃྺ1Lj৽ࣷ๑ీ࿒‫د܈‬ ߌഗă๑ᆩ࿒‫ߌد܈‬ഗժ჋ስມटႠఇ๕้Ljසࡕ࿒‫ྺ܈‬ 0 KLjഗॲᆌ‫࣮ݓ‬0x800000ஓăྺ๑‫ߌد‬ഗࣩ݀ፌॅႠీLj Ⴔᄲኴႜ‫ۅڇ‬ၯጚăᅺُLjᆌऻ୤25°C้‫ڦ‬ገ࣑঳ࡕLjժ ऺ໙ଳ௺‫܈‬ăଳ௺‫ٷ܈‬ሀྺ2815ஓ/°Că࿒‫ߌد܈‬ഗ‫ऺڦ‬໙ ࠅ๕ྺǖ සࡕ‫߲ܠ‬AD7190ഗॲ૧ᆩᅃ߲ࠅࠌዷ้ዓ߾ፕLjሶ੗ᅜඟ ኄၵഗॲཞօLj๑ഄຕ਍स٪ഗཞ้߸ႎăSYNCᆅগฉ ‫ူڦ‬ইᄂ๑ຕጴ୳հഗࢅఇెۙ዆ഗް࿋LjժॽAD7190ዃ ᇀᅃዂ‫ڦ‬ᅙኪጒༀăሞSYNCᆅগྺ‫ۉگ‬ೝ೺क़LjAD7190 ԍ‫޿׼‬ጒༀăሞSYNCฉืᄂLjۙ዆ഗࢅ୳հഗ૗ਸް࿋ ጒༀǗሞူᅃ้ዓᄂLjഗॲምْਸ๔֑ण๼෇ᄣԨăሞ๑ ᆩ‫߲ܠ‬AD7190ഗॲ‫ڦ‬ဣཥዐLjแेᇀSYNCᆅগ‫ڦ‬ᅃ߲ࠅ ࠌ႑ࡽࣷ๑ኄၵഗॲ‫֡ڦ‬ፕཞօăኄᅃӯ๟ሞ߳AD7190ᅙ ኴႜጲว‫ڦ‬ၯጚईᅙॽၯጚဣຕሜ෇ഄၯጚस٪ഗኮࢫྜ ‫ׯ‬ăኄᄣLj໯ᆶAD7190‫ڦ‬ገ࣑঳ࡕॽཞօă ޿ഗॲሞSYNCᆯ‫ߛڟگ‬ሂദኮࢫ‫ڦ‬ዷ้ዓူইᄂ૗ਸް ࿋ጒༀăᅺُLj‫ړ‬ཞօ‫߲ܠ‬ഗॲ้LjSYNCᆅগᆌሞዷ้ ዓฉืᄂՎྺߛ‫ۉ‬ೝLjඓԍ໯ᆶഗॲ਩ሞዷ้ዓူইᄂਸ ๔֑ᄣăසࡕSYNCᆅগுᆶሞ؊ፁ‫้ڦ‬क़ాՎྺߛ‫ۉ‬ ೝLjሶഗॲኮक़੗ీ၎ֶᅃ߲ዷ้ዓዜ೺Ljन‫ܔ‬ᇀփཞഗ ॲLjገ࣑঳ࡕ੗ᆩ‫้ڦ‬ਗ਼ፌ‫ܠ‬၎ֶᅃ߲ዷ้ዓዜ೺ă SYNCᆅগᄺ੗ᅜᆩፕഔ‫ۯ‬ገ࣑ంସăኄዖఇ๕ူLjSYNC ‫ڦ‬ฉืᄂഔ‫ۯ‬ገ࣑LjRDY‫ူڦ‬ইᄂኸ๖ገ࣑ᅙྜ‫ׯ‬ăኄዖ ‫ݛ‬ӄ‫ڦ‬ඍ‫ۅ‬๟ǖ௅ْຕ਍स٪ഗ߸ႎ้LjՂႷᇨା୳հഗ ‫ॺڦ‬૬้क़ăኄᅪ࿆ጣຕ਍स٪ഗ‫߸ڦ‬ႎ໏୲ࣷই‫گ‬ă૩ සLjසࡕADCದዃྺ๑ᆩsinc4୳հഗLj্ᆩଭჽ‫׿‬൐্ᆩ ቘհLjሶຕ਍स٪ഗ‫߸ڦ‬ႎ้क़ॽྺᇱઠ‫຺ڦ‬Ԡă ࿒‫(܈‬K) = (ገ࣑঳ࡕ – 0x800000)/2815 K ࿒‫(܈‬°C) = ࿒‫(܈‬K) – 273 ‫ۅڇ‬ၯጚኮࢫLjాև࿒‫ߌد܈‬ഗ‫ڦ‬৛‫ۆ܈‬႙ኵྺ±2 °Că ‫܏࠲ൃۉ‬ਸ࠲! ሞᆌՎऺࢅ޶ࢁ‫ߌد‬ഗ‫ൃۉڪ‬ᆌᆩዐLj‫ൃۉ‬Ԩวࣷၩࡼဣ ཥዐ‫ٷڦ‬և‫ୁۉݴ‬ă૩සLj֑ᆩ5 V‫ۉ‬ᇸघ૤้Lj350 Ω޶ ࢁ‫ߌد‬ഗႴᄲ15 mA‫ୁۉ‬ăྺই‫گ‬ဣཥࠀࡼLj੗ᅜ૧ᆩ‫ۉ‬ ൃ࠲܏ਸ࠲܏ਸ‫ړ)ൃۉ‬໲փᆩ้*ă཮18၂๖କ‫܏࠲ൃۉ‬ ਸ࠲‫ڦ‬๑ᆩ‫݆ݛ‬ă޿ਸ࠲੗ᅜ‫׶‬๴30 mA‫૶ڦ‬Ⴤ‫ୁۉ‬Lj‫ڞ‬ ཚ‫ۉ‬ፆፌ‫ٷ‬ኵྺ10 Ωă இड๼‫!؜‬ AD7190ᆶ຺߲ཚᆩຕጴ๼‫؜‬ǖP0ĂP1ĂP2ࢅP3ă૧ᆩ GPOCONस٪ഗዐ‫ڦ‬GP32ENࢅGP10EN࿋੗ᅜ๑ీኄၵ๼ ‫ ؜‬ă ኄ ၵ ᆅ গ ੗ ᅜ ཚ ࡗ GPOCONस ٪ ഗ ዐ ‫ ڦ‬P0DAT዁ P3DAT࿋ઙߛईઙ‫گ‬Ljनᆅগ‫ڦ‬ኵᆯP0DAT዁P3DAT࿋‫ڦ‬ ยዃਦۨăኄၵᆅগ‫ڦ‬இड‫ۉ‬ೝᆯAV DDܸփ๟DV DDਦ ۨă‫܁‬ൽGPOCONस٪ഗ้LjP0DAT዁P3DAT࿋‫ݒ‬ᆙᆅগ ‫ํڦ‬ाኵăኄ੗ᆩᇀ‫܌‬ୟॠ֪ă ੗ᅜᆩኄၵᆅগൻ‫ྔۯ‬և‫ۉ‬ୟLjසྔև‫ܠ‬ୟްᆩഗ‫ڪ‬ă‫ړ‬ ๑ᆩྔև‫ܠ‬ୟްᆩഗઠ༵ߛཚ‫ڢ‬ຕ้Lj‫ܠ‬ୟްᆩഗஇडᆅ গ੗ᅜཚࡗAD7190ཚᆩ๼‫؜‬ᆅগ৊ႜ੦዆ă੗ᅜᆩཚᆩ๼ ‫؜‬ᆅগઠ჋ስᆶၳ‫ܠڦ‬ୟްᆩഗᆅগăᆯᇀ‫ܠ‬ୟްᆩഗ‫ڦ‬ ֡ፕ‫܀‬૬ᇀAD7190Ljᅺُ௅ْ߸࣑‫ܠ‬ୟްᆩഗཚ‫้ڢ‬Lj਩ ᆌ૧ᆩSYNCᆅগް࿋AD7190‫ۙڦ‬዆ഗࢅ୳հഗă Rev. B | Page 35 of 40 AD7190 ๑ీആ౾ၯᄓ AD7190࣏ਏᆶೌాആ౾ၯᄓࠀీLj੗ॠ֪ADCᇑྲ‫ت‬૙ ഗ ኮ क़ ‫ ز ڦ‬ႜ ཚ ႑ ዐ ‫ ڦ‬1࿋ ‫ ٱ‬ဃ ă ॽ ఇ ๕ स ٪ ഗ ዐ ‫ڦ‬ ENPAR࿋ยዃྺ1Lj੗ᅜ๑ీആ౾ၯᄓă๑ీആ౾ၯᄓࠀ ీ้Ljጒༀस٪ഗ‫ాڦ‬ඹՂႷᇑ߳24࿋ገ࣑঳ࡕᅃཞ‫د‬ ๼ăྺॽጒༀस٪ഗ‫ాڦ‬ඹ޹े‫߳ڟ‬ገ࣑঳ࡕ‫܁‬ൽຕ਍ ฉLjᆌॽఇ๕स٪ഗዐ‫ڦ‬DAT_STA࿋ยዃྺ1ă‫ܔ‬ᇀ߳ገ ࣑঳ࡕ‫܁‬ൽຕ਍Ljጒༀस٪ഗዐ‫ڦ‬ആ౾ၯᄓ࿋ঢ়ࡗՊ‫ײ‬Lj ๑‫ڥ‬24࿋ຕ਍ጴዐ‫د‬๼‫ڦ‬1‫ڦ‬ጺຕྺ౾ຕă्ย24࿋ገ࣑ ঳ࡕࡤᆶ11߲1)ܾ৊዆*Ljሶആ౾ၯᄓ࿋ॽยዃྺ1Lj๑‫ڥ‬ ‫ز‬ႜ‫د‬๼ዐ1‫ڦ‬ጺຕྺ౾ຕăසࡕྲ‫ت‬૙ഗথ๭‫ڟ‬ആຕ߲ 1Ljሶຫ௽໯থ๭‫ڦ‬ຕ਍ᅙ๴໦ă ആ౾ၯᄓࠀీৈॠ֪1࿋‫ٱ‬ဃă૩සLjසࡕᆶ2࿋ຕ਍๴ ໦Ljሶྲ‫ت‬૙ഗධ੗ీࣷ๭‫ڟ‬౾ຕ߲1Ljُ้न࿮݆ॠ֪ ‫ٱڟ‬ဃཉॲă ၯጚ! AD7190༵ࠃ຺ዖၯጚఇ๕ǖాևଭ‫ۉ‬ೝၯጚĂాև஢ଉ‫ײ‬ ၯጚĂဣཥଭ‫ۉ‬ೝၯጚࢅဣཥ஢ଉ‫ײ‬ၯጚLjཚࡗఇ๕स٪ ഗዐ‫ڦ‬ఇ๕࿋੗ᅜยዃၯጚఇ๕ăኻᄲኟඓยዃఇ๕स٪ ഗዐ‫ڦ‬MD2዁MD0࿋LjՍ੗ໜ้ኴႜၯጚăሺᅮ߀Վ้Lj ᆌኴႜၯጚă௅ْገ࣑ྜ‫ࢫׯ‬LjADCገ࣑঳ࡕႴ૧ᆩADC ၯጚस٪ഗ৊ႜۙኝLj඗ࢫႀ෇ຕ਍स٪ഗăገ࣑঳ࡕံ ३ඁ฿ۙၯጚဣຕLj඗ࢫ‫ױ‬ᅜ஢ଉ‫ײ‬ဣຕă ྺഔ‫ۯ‬ၯጚLjՂႷॽ๢‫ڦړ‬ኵႀ෇MD2዁MD0࿋ăഔ‫ۯ‬ၯ ጚࢫLjጒༀस٪ഗዐ‫ڦ‬DOUT/RDYᆅগࢅRDY࿋Վྺߛ‫ۉ‬ ೝăၯጚྜ‫้ׯ‬Lj၎ᆌၯጚस٪ഗ‫ాڦ‬ඹࣷԥ߸ႎLjጒༀ स٪ഗዐ‫ڦ‬RDY࿋ް࿋LjDOUT/RDYᆅগ‫ۉگڟ࣮ݓ‬ೝ )සࡕCFྺ‫ۉگ‬ೝ*Ljժ൐AD7190‫࣮ݓ‬੣ှఇ๕ă ాևଭ‫ۉ‬ೝई஢ଉ‫ײ‬ၯጚ೺क़Lj߳ଭ๼෇ࢅ஢ଉ‫ײ‬๼෇ጲ ‫ۯ‬ᇑADC๼෇ᆅগాև၎૶ă඗ܸLjဣཥၯጚሶᄲ൱ሞഔ ‫ۯ‬ၯጚఇ๕ኮമLjॽဣཥଭ‫ۉ‬ೝ‫ۉ‬უࢅဣཥ஢ଉ‫ۉײ‬უแ ेᇀADCăኄᄣ੗ၩ‫أ‬ADC‫ྔڦ‬ևဃֶă ٗ֡ፕฉઠੂLjၯጚ৽ၟଷᅃْADCገ࣑ăසႴᄲLjଭ‫ۉ‬ ೝၯጚՂႷጺ๟ሞ஢ଉ‫ײ‬ၯጚኮമኴႜăยዃဣཥ෉ॲ॔ ੦ጒༀस٪ഗዐ‫ڦ‬RDY࿋ईDOUT/RDYᆅগLjཚࡗᅃ߲୾ კႾଚईዐ܏ൻ‫ڦۯ‬૩ႜ‫ײ‬Ⴞඓۨၯጚࢆ้঳ຐă ቘհ๑ీ้Lj࿮Ⴔኴႜాևଭ‫ۉ‬ೝၯጚLjᅺྺADCԨวࣷ ‫׼‬Ⴤ๑฿ۙԍ‫׼‬ፌ‫گ‬ăփࡗLjසࡕኴႜాևଭ‫ۉ‬ೝၯጚLj ሶ໯Ⴔ้क़ྺॺ૬้क़tSETTLE,(2/fADC)ăཞᄣLjྜ‫ׯ‬ဣཥଭ ‫ۉ‬ೝၯጚᄺႴᄲtSETTLE‫้ڦ‬क़ă ྺኴႜాև஢ଉ‫ײ‬ၯጚLj஢ଉ‫ײ‬๼෇‫ۉ‬უࣷጲ‫ۯ‬ᇑُၯጚ ჋ۨ‫ڦ‬ఇె๼෇‫܋‬၎૶ăሺᅮྺ1้Ljాև஢ଉ‫ײ‬ၯጚ໯ Ⴔ‫้ڦ‬क़‫ڪ‬ᇀtSETTLEă‫ܔ‬ᇀ߸ߛሺᅮLjాև஢ଉ‫ײ‬ၯጚႴ ᄲ2 × tSETTLE‫้ڦ‬क़ă௅ْ߸߀ᅃ߲ཚ‫ڦڢ‬ሺᅮ้Lj਩ॺᅱ ኴႜ஢ଉ‫ײ‬ၯጚLjᅜ๑஢ଉ‫ײ‬ဃֶፌၭă ဣཥ஢ଉ‫ײ‬ၯጚႴᄲtSETTLE‫้ڦ‬क़ăቘհ্ᆩ้Ljᆌሞഔ ‫ۯ‬ဣཥ஢ଉ‫ײ‬ၯጚኮമኴႜଭ‫ۉ‬ೝၯጚ)ాևईဣཥଭ‫ۉ‬ ೝ* ాևଭ‫ۉ‬ೝၯጚĂဣཥଭ‫ۉ‬ೝၯጚࢅဣཥ஢ଉ‫ײ‬ၯጚ੗ᅜ ሞඪࢆ๼‫؜‬ຕ਍໏୲้ኴႜăాև஢ଉ‫ײ‬ၯጚ੗ᅜሞ୳հ ഗጴFS[9:0]ీԥ16ኝ‫ڦأ‬ඪࢆ๼‫؜‬ຕ਍໏୲้ኴႜLjFS [9:0]ኸႀ෇ఇ๕स٪ഗFS9࿋዁FS0࿋‫ڦ‬10࿋ጴ‫ڦ‬ๆ৊዆‫ڪ‬ ၳኵăᅺُLjቘհ্ᆩ้Ljాև஢ଉ‫ײ‬ၯጚ੗ᅜሞ10 Hzई 50 Hz‫ڪ‬๼‫؜‬ຕ਍໏୲้ኴႜă๑ᆩኄၵড‫ڦگ‬๼‫؜‬ຕ਍໏ ୲੗ᅜइ‫ڦߛ߸ڥ‬ၯጚ৛‫܈‬ă ฿ۙဃֶ‫ۆ‬႙ኵྺ100 μV/ሺᅮăසࡕ߸߀ሺᅮLjॺᅱኴႜ ၯጚăଭ‫ۉ‬ೝၯጚ)ాևईဣཥଭ‫ۉ‬ೝၯጚ*੗ॽ฿ۙဃֶ ই዁ᇑሯำ၎‫ړ‬ă AD7190‫ڦ‬ሺᅮဃֶঢ়ࡗ߾‫׍‬ၯጚLjၯጚཉॲසူǖሺᅮྺ 1Lj֑ᆩ5 V‫ۉ‬ᇸLj࿒‫ྺ܈‬๪࿒ăၯጚኮࢫLj5 V้‫ڦ‬ሺᅮဃ ֶ‫ۆ‬႙ኵྺ0.001%ă՗23၂๖କփཞሺᅮยዃ‫ۆڦ‬႙࿄ၯ ጚሺᅮဃֶăሺᅮྺ1้Ljాև஢ଉ‫ײ‬ၯጚ੗ॽሺᅮဃֶ ‫ۆ‬႙ኵই዁0.001%ă‫ܔ‬ᇀ߸ߛሺᅮLjঢ়ࡗాև஢ଉ‫ײ‬ၯጚ ኮࢫ‫ڦ‬ሺᅮဃֶ‫ۆ‬႙ኵྺ0.0075%ăဣཥ஢ଉ‫ײ‬ၯጚ੗ॽ ሺᅮဃֶই዁ᇑሯำ၎‫ړ‬ă ՗23. ‫ۆ‬႙ᇨၯጚሺᅮဃֶᇑሺᅮ‫࠲ڦ‬ဣ ሺᅮ 8 16 32 64 128 ቘհ্ᆩ้Ljాևଭ‫ۉ‬ೝၯጚࢅဣཥଭ‫ۉ‬ೝၯጚ໯Ⴔ‫้ڦ‬ क़਩‫ڪ‬ᇀॺ૬้क़tSETTLE)sinc4୳հഗྺ4/fADCLjsinc3୳հഗ ྺ3/fADC*ă Rev. B | Page 36 of 40 ᇨၯጚሺᅮဃֶ(%) −0.11 −0.20 −0.23 −0.29 −0.39 AD7190  ᆩࢽ੗ᅜ‫ݡ‬࿚AD7190‫ాೌڦ‬ၯጚस٪ഗLjཚࡗྲ‫ت‬૙ഗ‫܁‬ ൽഗॲ‫ڦ‬ၯጚဣຕLjᅜतႀ෇ጲमሞEEPROMዐᇨံ٪‫ئ‬ ‫ڦ‬ၯጚဣຕă੗ᅜໜ้‫܁‬ൽኄၵस٪ഗăփࡗLjႀ෇स٪ ഗ้LjADCՂႷ‫ت‬ᇀู‫ۉ‬ఇ๕ई੣ှఇ๕ăၯጚस٪ഗዐ ‫ڦ‬ኵྺ24࿋ăᄺ੗ᅜ๑ᆩኄၵस٪ഗ֡੦ഗॲ‫ࢅྷݔڦ‬฿ ۙă থ‫ࢅں‬քਆ! ᆯᇀఇె๼෇ࢅएጚ๼෇਩ྺֶ‫ݴ‬๼෇Ljᅺُఇెۙ዆ഗ ዐ‫ܠڦ‬ຕ‫ۉ‬უ਩ྺࠌఇ‫ۉ‬უăഗॲ‫ࠌߛڦ‬ఇᅞ዆Ⴀీ੗ၩ ‫أ‬ኄၵ๼෇‫ࠌڦ‬ఇሯำăྺॽఇెև‫ݴ‬ᇑຕጴև‫ݴ‬ኮक़‫ڦ‬ ᳘ࢇই዁ፌ‫گ‬LjAD7190‫ڦ‬ఇె‫ۉ‬ᇸࢅຕጴ‫ۉ‬ᇸԵُ‫܀‬૬Lj ߳ᆶ‫ڦ܀ڇ‬ᆅগಇଚăຕጴ୳հഗ੗ᅞ዆‫ۉ‬ᇸฉ‫ټ੻ڦ‬ሯ ำLj‫ܔ‬ఫၵሞۙ዆ഗ֑ᄣೕ୲‫ڦ‬ኝຕԠೕ୲‫ڦ‬ሯำ‫ྔأ‬ă ॽᅃ߲R-C୳հഗᇑ߳ఇె๼෇‫܋‬၎૶Lj੗ᅜሞۙ዆ഗ֑ ᄣೕ୲ฉ༵ࠃᅞ዆ăॺᅱॽᅃ߲100 Ω‫ۉ‬ፆᇑ߳ఇె๼෇ ‫૴ز܋‬Ljॽᅃ߲0.1 μF‫ۉ‬ඹ૶থሞఇె๼෇‫܋‬ኮक़Ljժ൐ ॽᅃ߲0.01 μF‫ۉ‬ඹ૶থሞ߳ఇె๼෇‫܋‬ᇑAGNDኮक़ăຕ ጴ୳հഗᄺ੗ᅜၩ‫أ‬ઠጲఇెࢅएጚ๼෇‫ڦ܋‬ሯำLjཉॲ ๟ኄၵሯำᇸுᆶ๑ఇెۙ዆ഗԏࢅăᅺُLjAD7190‫ੇڦ‬ ሯీ૰Բ‫د‬ཥߛ‫ݴ‬Ր୲ገ࣑ഗ߸ഽăփࡗLj६ᇀAD7190‫ڦ‬ ‫ݴ‬Ր୲๟සُኮߛLjܸገ࣑ഗ‫ڦ‬ሯำ‫ۉ‬ೝ๟සُኮ‫گ‬Ljᅺ ُՂႷ৉ั‫ځܔ‬থ‫ࢅں‬քਆă ADC໯ሞ‫ڦ‬ᆇຘ‫ۉ‬ୟӱ(PCB)ᆌ֑ᆩఇెև‫ݴ‬ᇑຕጴև‫ݴ‬ ‫ݴ‬૗ยऺLjժ၌዆ሞ‫ۉ‬ୟӱ‫ڦ‬ᅃۨ൶ᇘాăኄᄣՍᇀ๑ᆩ থ‫֫ں‬ժඟ໲்ᅟᇀԥ‫ߪݴ‬ăྺํ၄ፌॅೡԸLjথ‫֫ں‬ᅃ ӯᆌ৑ଉณ֑ᆩ์ਗ਼रຍă ໚඗AD7190ᆶ‫ڦ܀ڇ‬ఇె‫ں‬ᆅগᇑຕጴ‫ں‬ᆅগLj‫ڍ‬AGND ᇑDGNDᆅগඐሞాևཚࡗएӱ၎૶ăᅺُLjᆩࢽփ‫ॽڥ‬ ኄଇ߲ᆅগ૶থ‫ݴڟ‬૗‫ڦ‬থ‫֫ں‬Lj‫ݥأ‬ኄၵথ‫֫ں‬ሞ AD7190޹ৎ૶ሞᅃഐă ස ࡕ AGNDᇑ DGNDሞ ဣ ཥ ‫ ڦ‬ഄ ໲ ‫ ݛ ں‬၎ ૶ ) न ဣ ཥ ‫ۉ‬ ᇸ*LjሶփᆌሞAD7190ฉምْॽ໲்၎૶Lj‫ޏ‬ሶॽׂิথ ‫࣍ں‬ୟăኄዖ൧઄ူLjॺᅱॽAD7190‫ںڦ‬ᆅগᇑAGND֫ ၎૶ă ࿮ஃ֑ൽࢆዖքਆLjᆩࢽ਩ՂႷጀᅪࡀࣄဣཥዐ‫࣮ڦୁۉ‬ ୁୟ০Ljඓԍ໯ᆶ‫ୁ࣮ڦୁۉ‬ୟ০਩৑੗ీ੍ৎ‫ٳڟୁۉ‬ ణ‫ںڦ‬໯ঢ়ࡗ‫ڦ‬ୟ০ăൎကഽ዆ຕጴ‫ࡗୁୁۉ‬AGNDă Ն௨ሞ޿ഗॲူ‫ݛ‬քยຕጴ၍ୟLj‫ޏ‬ሶࣷॽሯำ᳘ࢇ዁ႊ ೌǗॽఇెথ‫ݣ֫ں‬ሞAD7190ူ‫ݛ‬੗ᅜ‫ݞ‬ኹሯำ᳘ࢇă AD7190‫ۉڦ‬ᇸ၍ୟՂႷ֑ᆩ৑੗ీ੻‫ڦ‬ጽ၍Ljᅜ༵ࠃ‫گ‬ፆ ੇୟ০Ljժ३ၭ‫ۉ‬ᇸ၍ୟฉ‫ڦ‬றِሯำၳᆌă้ዓ‫੺ڪ‬໏ ਸ࠲႑ࡽᆌ૧ᆩຕጴ‫ں‬ೡԸഐઠLjᅜ௨ၠ‫ۉ‬ୟӱ‫ڦ‬ഄ໲և ‫ޖݴ‬พሯำLjժ൐ਨփᆌॽ้ዓ႑ࡽጽ၍քยሞఇె๼෇ ޹ৎăՆ௨ຕጴ႑ࡽᇑఇె႑ࡽ঍۠ă‫ۉ‬ୟӱ၎‫ݒ‬ଇ֨ฉ ‫ڦ‬ጽ၍ᆌԵُ‫ؽ‬኱Ljኄᄣᆶዺᇀ३ၭ‫ۉ‬ୟӱฉ‫ڦ‬ઍཚၳ ᆌăྲ‫ټ‬၍रຍ๟ణമ‫ڦ‬ፌॅ჋ስLj‫ڍ‬ኄዖरຍ‫ܔ‬ᇀມ௬ ‫ۉ‬ୟӱ࿄Ղጺ๟੗ႜă֑ᆩኄዖरຍ้Lj‫ۉ‬ୟӱ‫ڦ‬ᇮॲ֨ ጆᆩᇀথ‫֫ں‬Lj႑ࡽጽ၍ሶքยሞࡰথ֨ă ๑ᆩߛ‫ݴ‬Ր୲ADC้Ljଆࡻ‫ڦ‬ඁ᳘ๆ‫ݴ‬ዘᄲăᆌॽ10 μF᮳ ‫ۉ‬ඹᇑ0.1 μF༩ٍ‫ۉ‬ඹժ૴Lj‫ܔ‬໯ᆶఇె‫ۉ‬ᇸඁ᳘‫ڟ‬AGNDă ྺ๑ኄၵඁ᳘ᇮॲํ၄ፌॅၳࡕLjᆌ๑ഄ৑੗ీ੍ৎഗ ॲLjፌࡻ๟৆ཌྷഗॲăᆌ૧ᆩᇑDGND၎૶‫ڦ‬0.1 μF༩ٍ‫ۉ‬ ඹ‫ܔ‬໯ᆶஇडႊೌඁ᳘ăሞ๑ᆩࠅࠌ‫ۉ‬ᇸൻ‫ۯ‬AD7190‫ڦ‬ AVDDࢅDVDD‫ڦ‬ဣཥዐLjॺᅱ๑ᆩဣཥAVDD‫ۉ‬ᇸă‫ܔ‬ᇀኄ ዖ‫ۉ‬ᇸLjᆌॽॺᅱ‫ڦ‬ఇె‫ۉ‬ᇸඁ᳘‫ۉ‬ඹዃᇀAD7190‫ڦ‬ AVDDᆅগᇑAGNDኮक़Ljժॽॺᅱ‫ڦ‬ຕጴ‫ۉ‬ᇸඁ᳘‫ۉ‬ඹዃ ᇀAD7190‫ڦ‬DVDDᆅগᇑDGNDኮक़ă Rev. B | Page 37 of 40 AD7190 ᆌᆩ႑တ ሞᄲ൱ፌ‫ڦࡼࠀگ‬ᆌᆩዐLjAD7190੗ᅜ‫ت‬ᇀ‫ځ‬ऐఇ๕Ljٗ ܸ၂ዸই‫گ‬ᆌᆩ‫ࡼࠀڦ‬ăُྔLjሞ‫ځ‬ऐఇ๕ူLj‫܏࠲ൃۉ‬ ਸ࠲੗ᅜ܏ਸLjᅜ௨മ‫ߌد܋‬ഗփՂᄲ‫୲ࠀݯࡼں‬ă‫ړ‬ഗ ॲ૗ਸ‫ځ‬ऐఇ๕൐‫܏࠲ൃۉ‬ਸ࠲Կࢇ้Ljᆩࢽᆌඓԍമ‫܋‬ ‫ۉ‬ୟྜඇॺ૬Lj඗ࢫ֍ీ‫׈‬๬‫܁‬ൽAD7190ă AD7190๟ᅃ੼‫ׯگ‬ԨĂߛ‫ݴ‬Ր୲ఇຕገ࣑ഗăఇຕገ࣑ࠀ ీᆯΣ-Δॐࠓ༵ࠃLjᅺُ޿ഗॲ‫ੇڦ‬ሯీ૰࢔ߛLj‫׉ݥ‬๢ ࢇ‫ߌد‬ഗ֪ଉĂ߾ᄽࢅࡗ‫ײ‬੦዆ᆌᆩă ‫ۉ‬ጱ‫!׹‬ ཮32၂๖କAD7190ሞ‫ۉ‬ጱ‫׹‬ዐ‫ڦ‬ᆌᆩă޶ࢁ‫ߌد‬ഗ࿋ᇀ‫ۉ‬ ൃྪஏዐLjሞഄOUT+ᇑOUT–ᆅগኮक़༵ࠃֶ‫ݴ‬๼‫ۉ؜‬ უă्ยघ૤‫ۉ‬უྺ5 VLj‫ړ‬ଳ௺‫ྺ܈‬2 mV/V้Lj‫ߌد‬ഗ‫ڦ‬ ஢ଉ‫ײ‬๼‫ۉ؜‬უྺ10 mVă‫ڦൃۉ‬घ૤‫ۉ‬უ੗ᅜ኱থᆩઠ ༵ࠃADC‫ڦ‬एጚ‫ۉ‬უLjᅺྺएጚ‫ۉ‬უ๼෇‫ྷݔ‬Ԉઔ‫ۉ‬ᇸ‫ۉ‬ უă ሞएᇀ‫ߌد‬ഗ‫ڦ‬ᆌᆩዐ๑ᆩAD7190‫تࡻ߲ܾڼڦ‬๟੗ᅜ؊ ‫ݴ‬૧ᆩ‫܏࠲ൃۉ‬ਸ࠲Ljᅜॽဣཥࠀࡼই዁ፌ‫گ‬ă‫܏࠲ൃۉ‬ ਸ࠲ᇑ‫ڦൃۉ‬ૐ‫૴ز܋‬ăኟ‫߾׉‬ፕ้Lj޿ਸ࠲ԿࢇLjᅜՍ ኴႜ֪ଉă ྺ०௽ഐ९Lj཮32փࡤྔև୳հഗă඗ܸLj߳ఇె๼෇‫܋‬ ᆌࡤᆶR-Cੇं۠୳հഗLjᇱᅺ๟ሞۙ዆ഗ֑ᄣೕ୲ईഄ ኝຕԠ้Ljೌాຕጴ୳հഗփీ༵ࠃඪࢆᅞ዆ăॺᅱॽᅃ ߲100 Ω‫ۉ‬ፆᇑ߳ఇె๼෇‫૴ز܋‬Ljॽᅃ߲0.1 μF‫ۉ‬ඹ૶থ ሞఇె๼෇‫܋‬ኮक़Ljժ൐ॽᅃ߲0.01 μF‫ۉ‬ඹ૶থሞ߳ఇె ๼෇ᆅগᇑAGNDኮक़ă 5V OUT+ OUT– IN– AVDD AVDD AIN1 AIN2 AIN3 AIN4 AINCOM MUX AGND REFIN1(–) BPDSW DVDD DGND Σ-Δ ADC PGA REFERENCE DETECT SERIAL INTERFACE AND CONTROL LOGIC DOUT/RDY DIN SCLK CS SYNC TEMP SENSOR AD7190 P3 P2 CLOCK CIRCUITRY AGND MCLK1 MCLK2 ཮32. ‫ۆ‬႙ᆌᆩ(‫ۉ‬ጱ‫)׹‬ Rev. B | Page 38 of 40 P0/REFIN2(–) P1/REFIN2(+) 07640-024 REFIN1(+) AGND IN+ AD7190 ྔႚ؅٫ 7.90 7.80 7.70 24 13 4.50 4.40 4.30 1 6.40 BSC 12 PIN 1 0.65 BSC 0.15 0.05 0.30 0.19 1.20 MAX SEATING PLANE 0.20 0.09 8° 0° 0.75 0.60 0.45 0.10 COPLANARITY COMPLIANT TO JEDEC STANDARDS MO-153-AD ཮33. 24ᆅগ‫ג‬ԋ৆໫ၭ႙‫ހ‬ጎ[TSSOP] (RU-24) ཮๖؅٫‫ڇ‬࿋ǖࡹ௝ ! ۩ࠔኸళ ႙ࡽ AD7190BRUZ 1 AD7190BRUZ-REEL1 EVAL-AD7190EBZ1 1 ࿒‫ྷݔ܈‬ –40°C ዁ +105°C –40°C ዁ +105°C ‫ހ‬ጎ௮ຎ 24ᆅগTSSOP 24ᆅগTSSOP ೠࠚӱ Z = RoHS ग़ඹഗॲ Rev. B | Page 39 of 40 ‫ހ‬ጎ჋ၜ RU-24 RU-24 AD7190 ጀ๥ ©2008-2009 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D07640-0-5/09(B) Rev. B | Page 40 of 40