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Connection of AD5317R and external reference

Question asked by Mochi on Sep 7, 2017
Latest reply on Sep 11, 2017 by Mochi

My customers are planning to connect the ADR 425 to the AD5317R.
We reviewed this plan and found a sentence that I care about in the data sheet.
"By default, the internal reference is on at power-up."

Can I connect the ADR 425 directly to the AD5317R?
Or does it require FET-SW to temporarily shut off the connection to the circuit?
Thankfully, if it can connect directly, please explain its mechanism.

Best regards

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