AD7961 - power supply sequence

Document created by KarenNE Employee on Mar 16, 2015
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Q: Is there a power-up sequence that I should follow in operating the AD7961?

 

A: When powering up the AD7961 device, first apply 1.8 V (VDD2, VIO) to the device, then ramp 5 V (VDD1) and apply an external reference voltage. Apply the analog inputs last.

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