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  • PCM1794A-Q1: program DC voltage with PCM1794A-Q1

    TI Thinks Resolved
    Part Number: PCM1794A-Q1 Tool/software: Hello, I designed in PCM1794A-Q1 DAC into our application lately. and I have question: What is better way to simply program DAC output through I/V converter to DC voltage from PCM1794A-Q1? Thank you, …

  • PCM1794A: System clock

    TI Thinks Resolved
    Part Number: PCM1794A Tool/software: Hi Sir, Could you please confirm the system clock to the DAC PCM7194A can be given FPGA. I look forward to your reply at the earliest. Thank you Regards, Kalpana

  • PCM1794A: Regarding connections between analog ground, digital ground and amplifier ground.

    TI Thinks Resolved
    Part Number: PCM1794A Other Parts Discussed in Thread: PCM1794 Tool/software: Hi team, What are the disadvantages of inserting a low-value resistor into the connection between the analog ground of the DAC and the digital ground? Also, what are the disadvantages…
    • Answered

  • PCM1794A: PCM1794A output distortion

    Resolved
    Part Number: PCM1794A Other Parts Discussed in Thread: NE5534 , , PCM5121 Hello， One customer used PCM1794A for his design, the output IV and LPF used NE5534, its power supply is +-12V. If the input sample rate is 48K, 16bit, and I2S 18Khz signal, the…
    • Resolved
    • Answered

  • PCM1794A: Operation of the VCOM pin

    Resolved
    Part Number: PCM1794A Hi team, The following symptoms may occur when using the PCM1794A 1. Output current is low. 2. Higher voltage on the VCOM pin. These can be resolved by replacing the capacitor on the VCOM pin. Are there any possible causes of…
    • Resolved

  • PCM1794A: PCM1794ADBR Frequency Response Issues

    TI Thinks Resolved
    Part Number: PCM1794A Other Parts Discussed in Thread: NE5534 , TINA-TI PCM1794ADBR Frequency Response Issues.pptx PCM1794ADBR Frequency Response Issues Hello TI team! We are using PCM1794A new design, test audio output frequency response high frequency…

  • PCM1794A: Output of one side channel is reduced

    TI Thinks Resolved
    Part Number: PCM1794A Other Parts Discussed in Thread: PCM1794 Hi team, When we designed the board with the attached schematic, the output current of one channel drops at a frequency of about 1 in several 10 units. Is there a problem with this schematic…
    • Answered

  • PCM1794A: Clock timing when using mono mode

    Resolved
    Part Number: PCM1794A Other Parts Discussed in Thread: PCM1792 Hello, When are the I2S data clocked into the DAC in the PCM1792/1794 when used in mono mode? Should one channel be delayed relative to the other or will both DACs receive data on the…
    • Resolved

  • PCM1794A: What should be the cut-off frequency of second-order filtering for the audio output by the PCM1794A DAC

    TI Thinks Resolved
    Part Number: PCM1794A Other Parts Discussed in Thread: PCM1794 , TINA-TI Hi，team， My customer has questions about PCM1794A , " What should be the cut-off frequency of second-order filtering for the audio output by the PCM1794A DAC“ Regards…

  • OPA1612: Question about phase margin of circuit(PCM1794A - Reference simulation TINA)

    TI Thinks Resolved
    Part Number: OPA1612 Other Parts Discussed in Thread: PCM1794A Hello Mr or Mrs. Happy new year~!I am always grateful for your help. :) I am designing a circuit which is related DAC output and it confuses me. This is a PCM1794a reference TINA simulation…

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