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ADS7142: ADS7142 I2C BUS

David Farhi
Prodigy 40 points
Part Number: ADS7142

Hi,

Will the ADS7142 load the I2C Bus when it is powered off?  (AVDD , DVDD = 0)

  • 0
    TI__Expert 5575 points
    Hi David

    When AVDD and DVDD is 0V (Device is powered off), the SCL/SDA output FET will see a floating voltage at the gate and respective pin loading can not be determined.

    We recommend to keep device powered on when connected to I2C bus / other active devices connected on the same bus.

    Thanks & Regards
    Abhijeet