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General • [SOLVED] Datasheet Confusion - ADC GPIO Schematic P-Type Mosfet?

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I was working with voltage scaling for ADC and was trying to determine whether I needed a separate clamp-diode to protect the ADC pin.

Checking the schematic in the datasheet, it shows and a DMG1012T as a P-Channel enhancement type MOSFET. But, the DMG1012T datasheet contradicts that explaining it is a N-Channel MOSFET.
dmg1012t-adc-protection-datasheet.png

I could just be reading things wrong, but what gives?

Statistics: Posted by drankinatty — Mon Aug 18, 2025 1:11 am



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