Aug 29, 2018 #1 A ankur13d Newbie level 1 Joined Apr 28, 2018 Messages 1 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 10 Hi, I want to design circuit that gives 4-20mA output; I can use any DAC IC that gives 4-20 mA output, but how can i make a circuit using opamps by giving my output from DAC of any microcontroller that works on Vref of 3.3 V.
Hi, I want to design circuit that gives 4-20mA output; I can use any DAC IC that gives 4-20 mA output, but how can i make a circuit using opamps by giving my output from DAC of any microcontroller that works on Vref of 3.3 V.
Aug 29, 2018 #2 KlausST Advanced Member level 7 Joined Apr 17, 2014 Messages 25,854 Helped 4,908 Reputation 9,839 Reaction score 5,711 Trophy points 1,393 Activity points 173,352 Hi, did you do a search in this forum? Or in the internet? There are a lot if threads, I posted in many if them. Even schematics... I recommend to read through them, decide which solution fits best, then come back with this schematic to discuss about it. There are many possible solutions, there is no "best" for every application. Klaus
Hi, did you do a search in this forum? Or in the internet? There are a lot if threads, I posted in many if them. Even schematics... I recommend to read through them, decide which solution fits best, then come back with this schematic to discuss about it. There are many possible solutions, there is no "best" for every application. Klaus