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  • RE: PCM2904: Successor model to PCM2904

    Hi Conor, Internal records aren't 100% conclusive on this because again the device is quite old, but it appears like there wasn't a revision released to address this bug.
    • Answered

  • PCM2904: Problem with audio data output from PCM2904

    Resolved
    Part Number: PCM2904 Hi, I would like to inquire about PCM2904, but since it contains confidential information, is it possible to contact an expert privately? Thanks, Conor
    • Resolved
    • Answered

  • PCM2904: Is it possible to use PCM2904 with self-power?

    Resolved
    Part Number: PCM2904 Other Parts Discussed in Thread: PCM2901 Hi, The standard way to use the PCM2904 is to use it with bus power. We are considering using cell power. Is it okay to use the PCM2904 on its own with a dedicated power supply IC? It is assumed…
    • Resolved
    • Answered

  • PCM2904: PCM2904 can be improved with separate ground planes

    Resolved
    Part Number: PCM2904 Hi All As part of the project, I need to decide whether I will separate ground planes under PCM2904 or not. The Power 5V planes were separated accordingly. Please see the image: separated groundes with a simple ferrite bead that can…
    • Resolved
    • Answered

  • PCM2904: Alternative IC fixing the Inter-Channel Phase Difference Issue

    Resolved
    Part Number: PCM2904 Other Parts Discussed in Thread: PCM2906B , , PCM2906C Hello, My customer has been investigating PCM2904, but as you know it has inter-channel phase difference issue, so they asked me if there is an alternative IC fixing the issue. …
    • Resolved

  • PCM2904: Inquiry

    TI Thinks Resolved
    Part Number: PCM2904 Hi, Good Day. Customer is having a built prototype USB stereo input interface with PCM2904. Works OK with Windows 7 and 10, but tried on Microsoft GO with Windows 11 and it says does not recognize it? Any advice please (Selected…

  • PCM2904: How to modify USB audio codec

    TI Thinks Resolved
    Part Number: PCM2904 Hi Team Could you tell me how to modify USB audio codec for PCM2904 Best Regards, William
    • Answered

  • PCM2904: I don't succeed to acquire the second input (VinR )

    Resolved
    Part Number: PCM2904 I would like to use PCM2904 as two channels acquisition device. I have built the circuit according to the schematics shown in figure 38 of the datasheet. I manage to acquire correctly the input VinL (pin 12). However, I don't see…
    • Resolved

  • PCM2904: PCM2904 output clipping to VCCCI power rail

    Part Number: PCM2904 Other Parts Discussed in Thread: PCM2900 , PCM2906C We have noticed that there is some severe ciipping on the output of the PCM2904 chip. We are inputting a standard Wave file, and the output appears to be 2.9V peak to peak which implies…
    • Answered

  • PCM2904: Amplifying mic signal for PCM2904?

    Resolved
    Part Number: PCM2904 Other Parts Discussed in Thread: PCM2912 , TL072 Hello, I've successfully built the PCM2904 circuit from the datasheet, I can hear audio coming out and I can record audio if I loop the PC output. My question is, can I build an amplifier…
    • Resolved

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