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AMC7836: Negative Supply Voltage

Intellectual 340 points

Replies: 1

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Part Number: AMC7836

I want to use the DAC part of AMC7836 to output -5V to 0V, so can I supply -5V to AVEE instead of -12V?

  • Hi Sarmad,

    You can use a supply greater than -12V in this configuration.  Note that the current sink capability when the output -5V will be limited if the supply is -5V.  I recommend that you select a supply voltage that will provide some "headroom" when the DAC is at -5V.  For that reason, I recommend you use a -5.5V or lower.