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  1. AD420
    Production
    Product
    4-20mA Current Loop D/A Converters
    Serial Input 16-Bit, 4-20 mA, 0-20 mA DAC
    AD420

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Results on EngineerZone

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    1. AD420 Drift in output

      Forum Thread
      Answered
      Precision DACs
      14 September, 2011
      Hi there We manufacture a range of instruments that we have designed the AD420AR-32 chip onto the pcb to supply a 4-20mA signal. We are able to use the chip successfully and have used about 60 of these chips. We have noticed that the output mA drifts upwards …
      4-20mA Current Loop D/A ConvertersPrecision D/A Convertersad420

    2. MSL and CSD-HBM information

      Forum Thread
      Answered
      RF and Microwave
      21 March, 2025
      … OP777AR LTC1983ES6-3#PBF AD7708BRZ-REEL AD698APZ AD7705BRZ AD5620CRMZ-1 AD7865BSZ-1 AD680AR AD589TH LTC2900-1CMS#TRPBF AD7790BRM LTC1728ES5-5 ADM202EARNZ LTC1422CS8#TRPBF AD694ARZ ADM8691ARNZ AD420AR-32 AD7892AR-1 ADG709BRUZ-REEL7 AD537KD ADG1434YRUZ-REEL7 AD8541ARTZ-REEL7 ADCMP371-AKSZ-REEL7 AD8051ARZ-REEL7 LTC487ISW#PBF LT1585CM-3.3#PBF ADuM1250ARZ-RL7 LT1962EMS8 …
      Datasheet/SpecsDigital Isolation TechnologyStandard Digital IsolatorsADUM160N

    3. RE: AD421 current output error

      Forum Reply
      Precision DACs
      18 June, 2012
      Hi Michael, Just in case it might be relevant to the solution of this problem, we also use the AD420AR-32 in our products. A similar device, but is not loop powered. Those products produce an accurate 4-20mA output. I connected one to compare with the AD421 using same …

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