I Connect the 60 V power supply to EVAL-AD5535BSDZ's VPP and connect the 5 V supply to AVCC, DVCC, and V+ (5 V). But the measured value of VOUT is not the calculated value based formula of datasheet of AD5535B. The formula is.
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Kindly describe the inaccuracy you observed, at what output scale do you observe the problem?
What is the voltage applied to REF_IN pin?
With VPP=60V, the maximum REF_IN should be less than 1.18V.