Can you confirm if the onboard diff amp is good enough to drive the AD7763, or does it require and external diff amp?
the on chip differential amplifier can drive the AD7763. The Eval-AD7763EDZ is a good reference that the AD7763 can be driven directly with a differential signal.
Jonathan, Thanks, one more question. If the customer did decide to drive using external amplifier,
(such as to add multiple poles of filtering), how would he terminate the on chip amplifier so as to not have it creating any noise?
The Vin+ and Vin- can be driven by connecting directly with an external amplifier.
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