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recommended ADC driver, external reference and reference buffer options?

What are the recommended ADC driver, external reference and reference buffer
options?

 

The AD7961 datasheet recommended ADC drivers are the two single-ended op amps
ADA4899-1 and AD4897-1 or differential amplifier ADA4932-1. The low-noise,
low-power AD8031 rail-to-rail amplifier is recommended to buffer the external
reference and the common-mode (Vcm) output voltage of the AD7961. The
recommended low noise, low-drift external precision voltage references for the
AD7961 are the ADR4520/ADR4540/ADR4550 and ADR440/ADR444/ADR445.

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