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HD3SS3412: Specification change from -40/85 to 0/70

Anjli Behl
Prodigy 715 points
Part Number: HD3SS3412


I see that the spec on this device has changed from -40/85C to 0/70C on this part per datasheet Rev D (July 2015). Are you able to share any historical details as to what was observed that led to the change? i.e. was it degraded performance, part suddenly didn’t work, startup issues, etc? We are planning to continue using it and tests have shown it works fine around 0C and slightly below, but we are curious as to what to expect if we get much below 0C. In a nutshell, please outline why the spec was changed.

thanks!

Anjli

  • 0
    TI__Prodigy 715 points

    Part Number: HD3SS3412

    I see that the spec on this device has changed from -40/85C to 0/70C on this part per datasheet Rev D (July 2015). Are you able to share any historical details as to what was observed that led to the change? i.e. was it degraded performance, part suddenly didn’t work, startup issues, etc? We are planning to continue using it and tests have shown it works fine around 0C and slightly below, but we are curious as to what to expect if we get much below 0C. In a nutshell, please outline why the spec was changed.

    thanks!

    Anjli

  • 0 in reply to Anjli Behl
    TI__Mastermind 19720 points

    I am looking for why the spec was changed from the datasheet change log it seems that it was changed because we did not complete the required tests to validate this device for those temperature ranges. I will look further into the issue and ask the person who requested the datasheet change.

  • 0 in reply to Michael.Walker
    TI__Mastermind 19720 points
    "Are you able to share any historical details as to what was observed that led to the change? i.e. was it degraded performance, part suddenly didn’t work, startup issues, etc?"
    From what I can find the change was just made due to not running the test at those temps and not due to the performance at those temps.