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output of REF3012 is 1.78V

David Zhang16358
Expert 1860 points
Other Parts Discussed in Thread: REF3012

I am using REF3012AIDBZT as a voltage reference.

The input is 3.3V but output is 1.78V instead of 1.25V.

I have checked purchasing bill, it is REF3012AIDBZT.

What is the problem?

Thanks.

  • 0
    TI__Guru* 93105 points

    Hi David,

    Can you share your REF3012 circuit configuration with us? Make sure that the device has the R30A marking on the package. Also, if you have an O-scope available, take a look at input and output pins and make sure that all you see are DC levels.

    Regards, Thomas

    PA - Linear Applications Engineering