what is differential adc

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welove8051

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what is differential adc, what is the theoary of it operation. how is it different from normal adc.
 

They are ADCs with a high common mode rejection rate and you dont necessarily need to use your ground as reference to the signal. The sample data is going to be the difference of both signals. As example you could use it on a whetstone bridge.
 

i thing we can use it to measure ac voltages.
 

analog to digital or measure ment ac current
 

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