The current loop interface circuit diagram of AD694 being used as D / A converter


Posted on Feb 6, 2014

The current loop interface circuit diagram of AD694 multi-functional sensor signal conditioner being used as D / A converter. The current loop interface of AD694 being used as D / A converter (DAC) can achieve the conversion of digitalvalue †’voltage signal †’current signal. DAC`s current loop interface circuit is shown as the chart. AD566A is


The current loop interface circuit diagram of AD694 being used as D / A converter
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high-speed 12-bit DAC, its output (DAC OUT) is connected to AD694`s UI-end, UI + is grounded. AD694 uses ± 15V dual supplies, and provides reference voltage to the AD566A. Internal resistor network of AD566A will set AD694 with 10V full scale input. C2 is the frequency compensation capacitor. RP is the full scale adjusting potentiometer, it has no need to use a fixed adjustment 50 © resistor to replace the potentiometer.




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