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ADS7953: CS signal

Lilian Chang
Intellectual 1555 points

Part Number: ADS7953

Hi team,

The rising and failing edge of the CS is not monotony, if it will cause problem?  Thank you.

  • 0
    TI__Expert 4405 points
    Lilian,

    On the ADS7953, the CS falling edge defines the sampling instant of the ADC.

    If this device is a part of a signal chain in our application, and you do a spectral analysis of the samples collected, this non-monotonic edge would show up as spurs in your FFT plot.

    However, if you are using the ADS7953 in say a monitoring application and do not really care about the periodicity of sampling instant, you should see absolutely no problems to the accuracy of the converted signal due to this non-monotonic CS signal.

    Regards,
    Sandeep