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ADS8556 accuracy against HVDD and HVSS

Other Parts Discussed in Thread: ADS8556

Hi, Folks

In my understanding, measurement result is NOT affected by HVDD or HVSS accuracy.

i.e.

 HVDD is generated from LDO. It will be 4.95V (-1% against from 5V)

 HVSS is also generated from LDO. It will be 5.05V(+1% against from 5V)

Even if this condition above voltages are NOT affected to measurement accuracy, only depends on VREF accuracy.

Am I correct?