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CMRR of the Current channel ADC (ADUC703x)

Question asked by amusin on Jan 24, 2013
Latest reply on Jan 30, 2013 by amusin



There is no notice about CMRR of the Current channel ADC in the datasheet.

Let's set Gain as 512.

+-2.3 mV is a max diff signal (V_IIN+ - V_IIN-), isn't it?

+300...-200 mV is an absolute input voltage range.

Let voltage at the IIN+ pin is 100,1 mV,

and voltage at the IIN- pin is 100 mV.

Will the ADC return a correct result?


Best regards,