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Documents AD7656/ AD7656-1 - grounding considerations
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    • Difference between AD7656 and AD7656-1
    • AD7656: RC between AVcc and DVcc
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    • My question is the same, but for two different devices, AD974 and AD7656.
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    • burned out issue of AD7656
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AD7656/ AD7656-1 - grounding considerations

Q: Are there special grounding considerations for the AD7656/AD7656-1?

 

A: At least one ground plane should be used. It can be common or split between the digital and analog sections. In the case of the split plane, join the digital and analog ground in only one place, preferably underneath the AD7656/AD7656-1, or at least as close as possible to the part. Multiple connections are acceptable as long as the multiple connection mimics a solid GND plane.

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