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INA381-Q1: OUT Power Sequencing

Alexander Feldengut
Prodigy 230 points
Part Number: INA381-Q1

Hello,

in our application a voltage is applied to the OUT pin before Vs is supplied, the current is limited by a series resistor.

The note (3) in Absolute Maximum Ratings states "Input voltage may exceed the voltage shown without causing damage to the device if the current at that terminal is limited to 5 mA.".

Does this also apply to the analog output pin OUT?

Regards, Alexander

  • +1
    TI__Expert 6175 points

    Hello Alexander,

    This is not guaranteed by TI, but limiting the current to 5mA should protect the device from damage.

    Let me know if you have any more questions,

    Levi DeVries