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Output voltage recomendation for LMV393

Steve Riley
Prodigy 50 points
Other Parts Discussed in Thread: LMV393, TLV1702, TLC352, TLC372, LM393

The output of the LMV393 is open collector, but the datasheet recommends that the output voltage be Vcc + 0.3V Max.

I am looking to pull up the output to 12V.  Can I do that?

  • 0
    TI__Mastermind 49966 points

    HI Steve,


    No. The LMV393 has conventional ESD diodes from the output to V+. The upper ESD diode from V+ to the output will clamp if the output goes above V+..

    You can pull-up the output to a voltage *less* than V+, but not above.

    You will need to use a device that allows the output to be pulled-up to a voltage independent of V+, like the LM393, TLC352, TLC372 or TLV1702 for example.