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  • PCM4204: Making PCM4204/OPA1632 for single ended mode

    TI Thinks Resolved
    Part Number: PCM4204 Other Parts Discussed in Thread: , OPA1632 Tool/software: Hi, I am implementing a circuit design that closely follows the analog front-end of the PCM4204EVM, including the op-amp and buffer stages. The only variations in my implementation…

  • PCM4204: 2pcs cascaded acquisition of noise

    Part Number: PCM4204 Other Parts Discussed in Thread: PCM1690 Tool/software: Dear, Customer uses 2pcs PCM4204 cascaded to achieve 8-channel ADC audio acquisition. During recording, there is a probability of sustained noise of around -45db, which can…

  • PCM4204: waveform distortion observed during recording was severe

    TI Thinks Resolved
    Part Number: PCM4204 Tool/software: Hi, During the application of PCM4204, it was found that a single ended 1V signal was inputted into the input terminal, and the waveform distortion observed during recording was severe. The circuit diagram is shown…

  • PCM4204: PCM4204 Questions

    Part Number: PCM4204 Questions about the PCM4204: 1) The datasheet only provides a typical full scale input voltage of 6Vp-p with no upper or lower limits. Is there any data available on full scale input voltage variations lot-to-lot, or at least the…
    • Answered

  • PCM4204: verify of function

    Resolved
    Part Number: PCM4204 Dear team The system has a set of PCM interface (CLK/Sync/TX/RX), if they want to verify this function. 1. Do you have a suggested codec? 2. Or dose TI have suggested verification methods? Many thanks Denny
    • Resolved

  • PCM4204EVM: Is there a driver for PCM4204 that works on Raspberry Pi?

    Part Number: PCM4204EVM Other Parts Discussed in Thread: PCM1864 , PCM4204 , TLV320ADC6140 Sorry for the rookie question, I just bought a PCM4204EVM board, and I want to interface it with my Raspberry Pi 3B+. But couldn't find its driver for any…

  • PCM4204: High noise floor at fs 96KHz

    Part Number: PCM4204 Hello, Our customer is facing high noise floor problem on certain one channel on PCM4204 in their bords. SNR is degrade to 108dB to 70dB compared with good device /ch 115dB. Occurrence is around 0.7% of devices. Working condition…

  • PCM4204: schematic reviewer

    TI Thinks Resolved
    Part Number: PCM4204 Other Parts Discussed in Thread: OPA227 Dear team There is a good news that we design in PCM4204 in customer's new project. Could you help to review the schematic? Attached file is PCM4204 schematic, kindly help review and suggestion…

  • PCM4204: Power On Reset Sequence

    Part Number: PCM4204 Other Parts Discussed in Thread: PCM4202 , Hi Team, My customer encountered a rare problem. The PCM4202 does not work normally at startup ( noise output). When the reset time is extended, the probability of failure will be reduced…
    • Answered

  • PCM4204: Oversampling Ratio definition needed

    Resolved
    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…
    • Resolved

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