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PCM1870A: D2S polarity

Kuramochi Tadahiko
Guru 28715 points
Part Number: PCM1870A

Hi,

Which pin(AIN1L/AIN1R) is positive polarity input when D2S working?

Best Regards,

Kuramochi

  • 0
    TI__Guru 62055 points

    Hello,

    We're pretty sure the AIN1L input is the + input, and AIN1R is the -input for the monoaural differential measurements.  Note that it's not too uncommon for these audio signal chains to have internal inversions after the initial hardware connections because they're meant for AC signals it's usually not an issue.