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Texas Instruments ADS892xB: Am I correct in thinking that the REFM pin is connected to other GND inside the device? Should I not be particularly conscious of the proper use of GND?

Data converter A/D converter

Since REFM is not internally shorted to GND, GND and REFM must be shorted externally.

RESR and CREFBUF should be placed as close as possible to REFBUFOUT-REFM.

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