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  • PCM1754: POP issue

    TI Thinks Resolved
    Part Number: PCM1754 Hi, We are using PCM1754 DAC in our design. We have observed POP noise at the start and the end of the audio. I have attached DAC section schematics below, In our application, by default MUTE pin is in OFF condition, Will this…

  • PCM1754-Q1: The requirement of SCK input

    TI Thinks Resolved
    Part Number: PCM1754-Q1 Other Parts Discussed in Thread: PCM1754 Hi team, For PCM1754 application, SCK is must need. My customer plan to use an oscillator for SCK input, what is the accuracy requirements? Thanks! BR Jiawei
    • Answered

  • PCM1754: Maximum external resistance value when FMT is set to L

    Resolved
    Part Number: PCM1754 Dear Specialists, My customer is considering PCM1754 and has a question. I would be grateful if you could advise. --- I'd like to use FMT fixed at low. Could you please let me know the maximum value of external resistance? --- …
    • Resolved
    • Answered

  • PCM1754: Data format question

    Resolved
    Part Number: PCM1754 Hi experts: As the datasheet of PCM1754, its I2S interface is right-justified. And this part support 16bit to 24bit of data. My question is how the device know where is the MSB? Thank you! John
    • Resolved
    • Answered

  • PCM1754: Question about I2S data format

    Resolved
    Part Number: PCM1754 Hi experts, If we configured PCM1754 as I2S data format through pulling FMT pin low. The supported data format is shown as figure 23 as below: The question is, if the audio data is 24-bit and BCK is 48fs, this means the LSB of L…
    • Resolved

  • PCM1754-Q1: FMT pin does not work

    TI Thinks Resolved
    Part Number: PCM1754-Q1 Other Parts Discussed in Thread: PCM1753-Q1 , PCM1754 , PCM1753 , Hi Expert, We are getting a problem with this hardware control IC and getting too much distortion over audio because of format mismatch, we have pulled down the FMT…

  • PCM1754: Internal Power On Reset function

    TI Thinks Resolved
    Part Number: PCM1754 Hello, Our customer applies Reset when input PCM data Fs is changed. Because in this sequence, sometime PCM1754 is made degradation of SNR issue, and it was solved by Reset. Here is question, PCM1754 Power On Reset condition is Vcc…
    • Answered

  • PCM1754: Want to know about MUTE pin of PCM1754.

    Resolved
    Part Number: PCM1754 Hi Expert, This is Koki Tsushima. My customer wants to know about MUTE pin of PCM1754. Could you answer following two questions? 1. Does 14pin (MUTE) have tolerant functions etc.? Customer think so because absolute maximum rating…
    • Resolved
    • Answered

  • PCM1754: Want to know PCM1754 will operate surely when Vcc was changed as 0V→5V while 3.3V added at MUTEPIN.

    Resolved
    Part Number: PCM1754 Hi experts, This is Koki Tsushima. My customer wants to know detail about this question. https://e2e.ti.com/support/audio-group/audio/f/audio-forum/1088478/pcm1754-want-to-know-about-mute-pin-of-pcm1754 Could you answer yes or…
    • Resolved
    • Answered

  • PCM1754-Q1: BCK/SCK for I2S data format

    Resolved
    Part Number: PCM1754-Q1 Other Parts Discussed in Thread: PCM1754 , CDCS504-Q1 Hello, Team, Our customer is adopting PCM1754 in their system. Input data will be I2S and we have a question about SCK and BCK. Fs is 44.1kHz. Because of the SoC, which outputs…
    • Resolved

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