gain and offset error in sar adc

[Amr.Ibrahim91]

Hello all

I wanna know what is the effect of the gain and offset error in sar adc , I mean single sar adc not interleaved. and also Have I to calibrate these errors in single sar adc?

Thanks in advance

 

[erikl]

Have I to calibrate these errors in single sar adc?

Comparator offset error, sure, otherwise you'll get a result error corresponding to the offset. The offset error should be < ½ LSB , at least during the LSB comparison.