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LM95214: How to correct local sensor of LM95214

Longchang Chen
Intellectual 1350 points
Part Number: LM95214

there are 4 remote temp sensor and 1 local temp sensor, and i have checked d/s, and just saw offset correct setting of 4 remote temp sensor , but i haven't found correct setting of local temp sensor, does it support correct of local temp sensor. where temp monitor this local sensor? it is Tj of LM95214, or PCB temp at chip ?

if customer think this temp is not accurate, how to correct this local temp sensor?

  • 0
    TI__Expert 5695 points
    Hi Longchan,

    There is no need of offset correction for the local sensor since this correction is to adjust it for the external BJTs that could have different non-ideality factor. The internal one n-factor is well known therefore no need for this type of correction.The local is internal to the IC but the purpose it to monitor temp of the PCB at IC location.

    Regards,
    Jose