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Original question:

TMP61-Q1: [Top urgent issue] Resistance value is influenced under 200MHz-400MHz EMC RI test

TMP61-Q1: Sensor EMC immunity tmp6131qdyarq1

primoz sever
Prodigy 10 points
Part Number: TMP61-Q1
Other Parts Discussed in Thread: TMP61

Tool/software:

Dear TI;

I have got  the information that there were  issues with EMC immmunity with  tmp6131qdyarq1.

Please respond what is the situation? Were the issues solved or they are still present?  Our EMC test passed without issues, but we are concerned  and till before SOP.

  • 0
    TI__Expert 7170 points

    Hi,

    To clarify on this point, we have characterized the EMI immunity of the TMP61 in a BCI setup and found the frequency ranges at which the device is susceptible to EMI noise. This does not mean that the device will fail under EMI but it will depend on the noise frequency. Additionally, our group characterized the performance with an added RC filter which proved to improve the performance and bring the device within spec. If you are not seeing issues then this is not a concern. If you are, I would recommend adding an RC filter between VP and your ADC input.

    Best regards,

    Simon Rojas