AD5560 MEASOUT in Voltage mode drift

Seems that when in Measure Voltage mode the Measure-out pin voltage drifts.

There is no drift when in Measure Current or any other measure mode.

Drift can be excessive (beyond the range) even when all connections to HF and HS are removed.

Replacing the AD5560 eliminates the drift.

Anyone else seen this ?

Could this be a function of the solder reflow profile ?


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