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ADS1274 Low Frequency Noise

Ronald Gatzke
Prodigy 80 points
Other Parts Discussed in Thread: ADS1274

ADS1274 - What is the noise from 0.1H - 10Hz, expressed in uVp-p at the ADC input? This spec. is common forTI low noise OpAmps, etc.

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    TI__Guru 66186 points

    Hi Ronald,

    Noise in uVpp can be taken from 1-sigma deviation from the mean of the histograms in Figures 4, 8, 12, and 16. The uVrms value specified in the datasheet is equal to uVpp / sqrt(2). These plots were recorded with the ADC inputs shorted together and biased to mid-supply. The noise specs will hold true for the maximum data rates listed in Table 2 for each operating mode.

    Best Regards,