Posted on May 17, 2011 at 13:52Hi, Please find attached circuit for measuring 4-20mA current signal using STM32(100-Pin) 's ADC pin. Kindly correct me if i'm doing some mistake or suggest me if i there is a better design! Thanks alot Ravi

Posted on May 17, 2011 at 13:52Hi All, Thanks alot for the responses! Trevor, The Buffer you are talking about shall present a high input impedance for the ADC input pins, Can that be done using LM348? Can you kindly point to me some references or d...