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PCM4204: Oversampling Ratio definition needed

TonyMCC
Intellectual 750 points
Part Number: PCM4204

I am trying to understand how the Oversampling Ratio of this ADC is defined. Would I be correct in assuming the OSR rates are listed in Table 1 as 128fs, 192fs, 256fs, 384fs, 512fs and 768fs ? If true, why does Sampling Modes paragraph on pg 16 of datasheet list only a single OSR for each sampling mode (Single, Dual and Quad rate) ?

  • +1
    TI__Genius 13610 points

    Hello,

    Table 1 shows various sampling rates of each mode, but in table 2 that is showing the system clock rate in various modes not different sampling rates, the text you have circle more so corresponds to Table 4 and Table 5 as they are talking about the OSR to output.

    Best Regards,

    Carson

    Low Power Audio Apps