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  • PCM1774: PCM1774 periodic noise

    Part Number: PCM1774 Hi I am using an STM32F7 for audio playing via I2S directly to the PCM1774. It's working perfectly for 20 second and after I get for 4 second an audio with noise. This noise it's came periodically after each 20 second for 4 second…
    • Answered

  • PCM1774: PCM1774 schematic validation for Line output audio

    Resolved
    Part Number: PCM1774 Hi, I am using the PCM1774 audio DAC for a wearable device and I would like to confirm the schematic for Line output instead headphone. - Do I need to add a resistor of 10K to the HPOL and HPOR for impedance matching because the RL…
    • Resolved
    • Answered

  • PCM1774: Clock setting

    Resolved
    Part Number: PCM1774 Hi, My customer is trying setting clock frequency as below; SCLK: 8MHz, FS:31.25kHz, BCLK:1MHz BCLK/FS=32 in this case. However, there is no "32" in BIT CLOCK BCK ot table 9/10 on the datasheet. Does it mean that this setting…
    • Resolved
    • Answered

  • PCM1774: MSR/NPR Default Condition

    Resolved
    Part Number: PCM1774 Hi, The default value of NPR and MSR is "0" as below; On the other hand, All "0" data is nothing on the table9 of the datasheet. Does it mean that internal PLL is disabled on the default condition? Best Regards…
    • Resolved
    • Answered

  • PCM1774: Power supply and clock sequence

    Resolved
    Part Number: PCM1774 Hi, Does the sequence of the power supply and clocks have any restrict? Best Regards, Kuramochi
    • Resolved

  • RE: PCM1774: Questions on output level PCM1774

    Hi Paul, regarding those question I got already answers: 1 : Yes confirmed is 10k Ω load. 2: When reading the report of the measurement for both stereo and mono output the PCM is about 780mVrms. 3: The signal is a sine wave at 1kHz, no frequency changes…

  • PCM1774: Compatibility with BeagleBone Black

    TI Thinks Resolved
    Part Number: PCM1774 Good morning, I am currently doing my master thesis in TU Delft and I was thinking of using the PCM1774 as a dual audio DAC to convert the audio data coming from a mini SD card through the microcontroller BeagleBone Black. Do you…

  • PCM1774: Layout questions to PCM1774

    TI Thinks Resolved
    Part Number: PCM1774 Hi :) My customer wants to use PCM1774 an they do have some questions, maybe you can help. They would not use AIN1L and AIN1R. 1: What is the recommendation for this two inputs ? 2: is there a recommendation for Ground connections…

  • PCM1774: Is it possible for the user to operate without setting the register?

    TI Thinks Resolved
    Part Number: PCM1774 Other Parts Discussed in Thread: PCM1771 , PCM5102A Hello, This time, there is Customer who has evaluated PCM1774 as an alternative to Asahi Kasei AK4352. The AK4352 communicates with the microcomputer by using the attached 0: 16bit…
    • Answered

  • PCM1774: Clocking question

    Resolved
    Part Number: PCM1774 Hi! my customer uses PCM1774 and has the following questions: ------------------------------------------------------------------ PCM1774 is used associated with a Silicon Lab CP2114. The CP2114 generates 3 clocks to the PCM1774. …
    • Resolved

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