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LMV841 / about Absolute Maximum Ratings

Toshiyuki
Mastermind 7075 points
Other Parts Discussed in Thread: LMV841

Hi,

I consider LMV841 circuit. Regarding Absolute Maximum Ratings, should LMV841 restrict both  VIN differential(±300mV) and Input current(10mA) ? or, all we have only to obey either VIN differential or Input current ?

Best Regards,

Kato

  • 0
    TI__Guru 53696 points

    Hello Kato,

    It is an "or" - you cannot violate the voltage OR current limit. Violating either spec violates the abs max ratings.

    The input is protected by diodes to the rails, so most likely you will violate the 300mV past the rails before the 10mA current, due to the diode I/V curve.

    You really do not want to hit 10mA. We recommend keeping it below 1mA or less. Adding series resistance can limit the current, about 1kohm per volt of over-voltage. This resistance can be added or part of any feedback or divider resistors.

    Regards,