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PGA300EVM-034: DAC output stuck at 0vdc

Igor Giterman
Prodigy 145 points

Part Number: PGA300EVM-034

I am using PGA305EVM-034 EVM.

I was able to calibrate DAC and get  calibration coeffects before.

Now the DAC output is 0vdc and does not change.

Setup:

Voltage Mode

Enabled

AMux_CTRL ==> TEXT MUX DAC EN ==> Connect TOP/TON pins.

OWI Read/Write ==> Green.

Voltmeter connected to TP30

Please advice how to make DAC out put work

Thank you

  • 0
    TI__Mastermind 42051 points

    Hi Igor Giterman,

    We appreciate your interest in this device, however at this time we are unable to offer additional support. Please use our extensive resources – including datasheets, user’s guides, application notes, FAQs, and existing E2E posts – to guide your design and help troubleshoot any issues. We apologize for any inconvenience this may cause.

    -Bryan