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PCM1794A: System clock

kalpana koti
Prodigy 70 points
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

  • 0
    TI__Mastermind 30711 points

    Hello Kalpana,

    This information is available in datasheet. Please refer to section 7.3.1 System Clock Input as well as Table 2. System Clock Rates for Common Audio Sampling Frequencies to see the acceptable system clks for a given sampling frequency.  Also  review  section 6.6 Timing Requirements in datasheet 

    Regards,

    Arash

  • 0 in reply to Arash Loloee
    Prodigy 70 points

    Thank You,

    I have another question PCM1794A after power on, in default we are getting 0.808mA for both diff channel. Could you please clarify this and even after programming also we are getting same current on both channel there is no change in the current.

    Regards,

    Kalpana

  • 0 in reply to kalpana koti
    TI__Mastermind 30711 points

    Hello,

    In general when you power on a device,  it is sitting in idle mode , even after you program it.  Once you start running the signals , then different modules would kick in. So for different parts current  may change or not after programming .

    Regards,

    Arash