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gain and offset error in sar adc

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Amr.Ibrahim91

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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

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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.
 
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