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Thread: ADC intern reference voltage on teensy 4

  1. #1
    Junior Member
    Join Date
    Oct 2019
    Posts
    10

    ADC intern reference voltage on teensy 4

    Hi!
    I work on a project for the school and i wanna use the ADC on T4, i found out that the Vref for the ADC is VDD? is it any other possibilities to VDD/2 or smaller?

    Thanks in advance!

  2. #2
    Senior Member
    Join Date
    May 2015
    Location
    USA
    Posts
    413
    An external ADC could be more flexible about voltage, higher resolution, faster and/or quieter.

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