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UCD3138: Layout AGND and DGND

Part Number: UCD3138

Dear support, 

My customer is using the UCD3138.

The doubt we have when connecting the GND, according to the document SLUA779B the connection between the digital and analog GND is made directly, as in the image on the left.

On the other hand, the documentation for the evaluation board UCD3138CC64EVM-030 separates the GNDs.

Which should we trust?

Thanks and best regards,