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LM96080: First read on registers occasionally fails

Luke Sun
Intellectual 1830 points
Part Number: LM96080

Hi team,

My customer is using LM96080. They found a strange issue that, after powering-up and reading back 0x22h immediately, sometimes the return value will become 0 in the 1st time reading. Other times read value is always correct. 

Do you meet similar issue before?

Thank you!

  • 0
    TI__Mastermind 43885 points
    Hi Luke,

    What is the time delay between power-on and read? This may be normal behavior as the device has not completed it's initial conversions. See the Total Monitoring Cycle Time spec of ~728ms on Page 7. Page 15 describes the order in which conversions are completed.

    Thanks,
    Ren