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TLV4172: V-(GND) of Absoulte Maximum rating

Hirotaka Matsumoto
Guru 27585 points
Part Number: TLV4172
Other Parts Discussed in Thread: LM2902,

Hi all

Would you mind if we ask LM2902?

How much is V-(GND) of Absoulte Maximum rating?
Is it possible to add 0.8V to GND?
We assume that the range is -20V to +0.3V.

Kind regards,

Hirotaka Matsumoto

  • 0
    Guru 140200 points
    Hi Hirotaka,

    important is that the input voltages of LM2902 and the voltage between the VCC pin and the GND pin of LM2902 must not exceed the absolute maximum ratings given in section 6.1 of datasheet. See also the footnote (2).

    What voltages do you want to connect to the VCC pin and to the GND pin of LM2902? And what is the input voltage range?

    Kai
  • 0
    TI__Genius 15410 points

    Hello,

    Is your question in regard to the TLV4172 or LM2902?

    For the TLV4172 the absolute maximum supply voltage cannot exceed 40V. For example, +/-20V or +40 and GND supplies, or GND and -40V supplies, or +10V and -30V.

    For the LM2902, depending on the variant, the absolute maximum rating is 32V or 26V (please see section 6.1).

    You can add a positive supply voltage to "GND". Damage will not occur under this condition as long as the voltage between V+ and V- does not exceed the absolute maximum rating. However, as Kai mentioned you must be careful of the input common mode and output swing limits.

    Thank you,

    Tim Claycomb