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AD7825: FAQs

How comes we must absolutly validate the clock after the bias when PD is to be
non valid (put to Vcc). Is there a special way to connect PD to 1 (power down
not used)


If the power down feature is not used, tie the /PD pin directly to Vcc.

You still need to take into account the power times when the part is first
turned on as described on datasheet page 10. You must allow 25us after power up
before the first conversion is initiated.