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  • RE: PCM5121: Recommended parts to improve SNR & THD+N for ADC AK5720 and DAC PCM5121

    I am closing this as I have not heard from customer one way or another. Regards, Arash

  • PCM5121: system ground isolation issue

    Part Number: PCM5121 Tool/software: hi,team: here is an application. if without DC to DC isolation(ground separation). the AUX out noise is big( usb audio don't work). my question is if usb audio works , the digital will use the aux path's ground…

  • RE: PCM5121: Minimum Register setup for Autoclock

    on more point, the waveform attached looks generated by the PCM5121 because my WAV sample is a simple voice The waveform looks like controlled oscillations...

  • PCM5121: Volume control issue

    TI Thinks Resolved
    Part Number: PCM5121 Tool/software: Hi My customer are using two pcs of PCM5121 on the same PCB. they do below setting first Reg 0x02 standby RQST=1 Reg 0x00 reset RSTM=1, RSTR=1 Reg 0x02 active RQST=0 and then they try to do volume control for both…

  • PCM5121: PLL configuration for 312.5kHz sampling rate

    TI Thinks Resolved
    Part Number: PCM5121 Dear TI, My hardware produce the following signals to a PCM5121 in I2C, slave mode: * 32-bit Left Adjusted, two's complement L/R audio samples at 312.5kHz * LRCK at 312.5kHz * BCK at 20MHz (64*Fs) * SCK at 40 MHz (128*Fs) I…
    • Answered

  • PCM5121: power state remains at "Wait for CP voltage valid"

    Resolved
    Part Number: PCM5121 Hello all, I am working on a new board that uses an PCM5121, it is connected to an ESP32S3 microcontroller. Here is the schematic related to the PCM5121: I would like (but there is no absolute need) to use the PCM as a slave. I…
    • Resolved
    • Answered

  • PCM5121: PCM5121

    Resolved
    Part Number: PCM5121 Other Parts Discussed in Thread: PCM5142 Hello， How to configure the 1.1 channel output？ During debug，EQ1 and EQ 2 are sync, how to configure them independently, for example EQ1 is used for low-pass filter and EQ2 is used for high…
    • Resolved
    • Answered

  • PCM5121: The out signal only appear on the Right channel, no signal on the left channel

    Resolved
    Part Number: PCM5121 Hello, I am using PCM5121 and I am providing 24.576MHz to SCK/BCLK with Fs of 192KHz. The LRCK width is one cycle. I have programmed it in TDM/DSP mode. Also, the Auto clock mode is enabled. The problem is that the Right channel data…
    • Resolved

  • PCM5121: Audio data transmission delay

    TI Thinks Resolved
    Part Number: PCM5121 Hi My customer care about data transmission time of PCM5121. So l would like to know what is t he delay time range of audio data from input to output? Maybe several μs？ Thanks， Amber Si
    • Answered

  • PCM5121: Hardware master mode enquiry

    Resolved
    Part Number: PCM5121 Hi team, For hardware master mode, where the BCLK and the LRCLK are supplied by the PCM512x chipset, How does the PCM512x knows what fs is to clock out by the LRCLK since there are several choices . For example: when sck is supplied…
    • Resolved

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