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TMP708 How to setting temperature threshold at 125°

James Su
Intellectual 280 points
Other Parts Discussed in Thread: LM57

We need to setting threshold at 125° , But , Calculate rule is Error (-1.46 K) , Pls help to comment  How to setting temperature threshold at 125° , thanks!

  • 0
    TI__Expert 7220 points
    Hi James,

    Can you try using a 500Ohm resistor and below. This temperature switch was meant to be used between 60C and 100C and the Rset equation was meant to reflect that. If this does not meet your need we also have another resistor programmable switch called the LM57 which will fulfill your 125C trip point.

    -Michael Wong