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Original question:

PCM2906C Digital Input not working

PCM2903C: Volume Control of SPDIF out?

Rico Li
Prodigy 85 points
Part Number: PCM2903C
Other Parts Discussed in Thread: PCM2706

Does PCM2903C support volume Control (0dB ... -64dB) on S/PDIF Output PIN 25?

Documentation of other similar parts parts like PCM2706 for example explicit mention:

"The digital volume control does not affect the S/PDIF and I2S outputs (PCM2706/7)"

But this sentence is not in PCM2903C spec and I look for such codec supporting volume control on SPDIF out.

Thanks.

  • 0
    TI__Mastermind 23050 points

    Hi Rico,

    The PCM2903C is a very similar device and the same statement applies although it did not make it into that datasheet for some reason. I don't believe any of our USB audio Codecs support digital volume control of S/PDIF output.

    Best,

    Zak