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by ryukoposting
255 days ago
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Glad I wasn't the only one thinking this. The paragraph ending with "Compare that with a microcontroller ADC with a fixed 3.3 V range: 9 ENOB steps are ~6 mV" also seems to insinuate that no MCU has an analog reference that's independent from the supply, which just isn't true at all. Hell, NXP has a few that have a built-in programmable reference. |
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Those also depend on the noise of the supply, see PSRR graph if available.