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AD7091: FAQs

After powering up the device why does the conversion result change after
approximately 60 samples have completed?

 

After power-up ensure that the software reset as outlined in the data sheet is
completed. A software reset initializes the AD7091 and ensures correct
conversion results. The device will eventually initialize correctly after a
certain number of conversions without a software reset but it is recommend for
correct operation to always perform a software reset after a power cycle.

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