The current loop interface of D/A converter (1B22 isolated programmable voltage/current sensor)

Published:2012/8/26 21:46:00 Author:Ecco | Keyword: current loop , interface , D/A converter , isolated , programmable, voltage sensor, current sensor | From:SeekIC

The circuit can convert the analog voltage generated by D/A converter to isolated 4~20mA output current. D/A converter can use AD7245 (12-bit DAC) model, and its output voltage range is set to 0~10V. Using 1B22 can achieve circuit isolation and output over voltage protection.



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