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MSPM0L1305: Total Unadjusted Error for ADC in 10 bit mode

Munan Xu
Expert 4940 points
Part Number: MSPM0L1305

Tool/software:

Hello,

I have a customer trying to calculate the total unadjusted error for the ADC on the MSPM0L1305. Their approach has been to calculate the TUE for the ADC in 12 bit mode and then remove 2 LSB of error based on the fact that in 10 bit mode, the ADC drops the last 2 bits of the conversion. 

Is this approach correct? Or should we be accounting for the truncation of the sample reading differently?

Munan