LM324: Apply a signal to in+/in- whenVCC is not supplied

Takehiro Sato

Part Number: LM324

Tool/software:

Hi Team,

Let me ask you a question about how the LM324 works.
Is it possible to apply a signal to in+/in- when the VCC is not supplied?

Best regards,

Sato

+1 Clemens Ladisch 5 months ago

Guru 316400 points

Yes; the absolute maximum ratings allow this. Also see section 2.2 of the LM324 Application Design Guidelines.

+1 Raymond Zhang1 5 months ago

Hi Sato-san,

Takehiro Sato said:
Is it possible to apply a signal to in+/in- when the VCC is not supplied?

Clemens answered the question, please see the link below.

If you have other questions, please let me know.

Best,

Raymond

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