ADA4622: it is recommende to connect the epad to V+. But can it be connected to any other signal such as GND? Why V+ any specific reason for that?
From the spec table, it looks like the 4622 starting materical is N-type, so all the parasitic diodes
have to be reverse biased by connecting the substrate to V+. If you ground the EPAD or
connect it to V-, the part will probably blow up, but it depends on the resistivity of the die
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