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FDC2214 - increase sensitivity

Ryuji
Guru 20090 points


Hello,


In the customer, the 1cm(max) and 2cm(min) measured values are similar.
Then, they would like to improve the sinsitivity.
Could you please let me know the improvement method without the following?

<Hardware>
-Increasing size of the sensor.
-Increasing distance between the differential sensor.

<Software>
-Increasing the settle count
-Increasing the reference count
-Change the Idrive current by Auto amplitude correction function of the GUI

Best Regards,
Ryuji Asaka

  • 0
    TI__Expert 8050 points
    Hello Asaka-san,

    You have listed most of the available options.

    Different sensors/systems will have different optimal drive currents. For a particular system, it is recommended to test sensitivity vs Idrive in order to find the optimal Idrive.

    Best regards,
    Yibo