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  • PCM1809: PCM1809 – Support for 192kHz Sample Rate in Controller Mode

    Resolved
    Part Number: PCM1809 Tool/software: Hello TI Support, I would like to use the PCM1809 to sample analog audio and convert it to I2S. My application requires a 192kHz sampling rate. Could you please confirm whether the PCM1809 supports 192kHz operation…
    • Resolved

  • PCM1809: PCM1809 no external AC-coupling capacitors

    Part Number: PCM1809 Tool/software: Hi Team, Data sheet Figure 7-1. Two-Channel Analog Microphone Recording Diagram for 3.3-V AVDD Operation no external AC-coupling capacitors, are there any special technologies?

  • PCM1809: PCM1809 not need MCLK

    Part Number: PCM1809 Tool/software: Hi ti team， Does PCM1809 not need MCLK ? If necessary, which PIN should I connect to ? Do I need to directly connect PCM1809 and PDM MIC ?
    • Answered

  • PCM1809: Some questions

    Resolved
    Part Number: PCM1809 Tool/software: Hi team, I have a few questions. In Figure 7-1, capacitors with and without polarity are written separately. Should I use polarized capacitors where it says polarized? I am aware that the capacitor capacity…
    • Resolved

  • PCM1809: My customer has some Questions

    Part Number: PCM1809 Tool/software: Hi all, I have the following questions about using the PCM1809. I am currently using the PCM1809 with the following configuration to check the output data. 1) It takes about 185 ms from the input of the BCLK and…

  • PCM1809: How to get DC signal?

    TI Thinks Resolved
    Part Number: PCM1809 Other Parts Discussed in Thread: TAA3020 , TAA5212 Tool/software: Hi TIer My customer want use PCM1809 get DC signal . I see there have a HPF in chip. Could we bypass HPF by some method? Thank you very much. If not , do…

  • PCM1809: Reference design for mono input

    TI Thinks Resolved
    Part Number: PCM1809 Tool/software: Hi Team, Please provide PCM1809 reference design for mono input
    • Answered

  • PCM1809: Single ended analog input output issue

    Resolved
    Part Number: PCM1809 Other Parts Discussed in Thread: PCM1822 Tool/software: Hi Expert, A customer is using PCM1809 with single ended analog input. They apply 1Vrms as input but I2S output only has -6dBFS instead of 0dBFS. Can you help to review the…
    • Resolved
    • Answered

  • PCM1809: How to achieve ADC synchronous acquisition with 4 PCM1809 chips?

    Resolved
    Part Number: PCM1809 Tool/software: In the design, we want to use 4 PCM1809 ADCs to form an 8-channel ADC for data acquisition. Is there any solution that can enable the 4 ADs to synchronize data acquisition? The current solution we have in mind is to…
    • Resolved

  • PCM1809: No SDOUT signal

    Part Number: PCM1809 Tool/software: Dear Expert, One customer is evaluating the PCM1809 but found SDOUT no output. Could you help to adv what may have gone wrong? Below please find customer's schematic and brief test conditions: PCM1809 as main…

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