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F3/L4 ADC in Differential mode.

Question asked by mendes.ari.001 on May 30, 2017
Latest reply on Jun 1, 2017 by mendes.ari.001



When  two inputs of ADC are in differential mode, can the ADCxINN input voltage be higher than the ADCxINP input voltage?

For Vref+ = 3.3V and Verf- = 0V.

Is the result value =  ((ADCxINP - ADCxINN)/3.3) * 2048 + 2048?

Ex. If ADCxINP = 1.0V and ADCxINN = 2.65V, is the result value = 1024?