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The full scale of AD7687

Question asked by bookevg on Feb 6, 2014
Latest reply on Feb 12, 2014 by bookevg

The url is about tested amp/adc driver.

I can't understand:

How are ENOB bits equal 15.5 if ADI recomended the schema for AD7687 which use only the positive scale of output codes because IN- is zero.

I think if ADC is true differential I must use true differential amp.