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PCM5122: About load impedance

Ryu Yamashita
Expert 2290 points
Part Number: PCM5122

Tool/software:

Hi team,

What does the 5kΩ minimum load impedance of the analog outputs on p. 9 of the data sheet refer to?
I thought the load could be connected from 1kΩ, but is this referring to the load impedance for single-ended conditions?
Or is it output impedance?

Best Regards,
Ryu.

  • +1
    TI__Mastermind 22720 points

    Hi Ryu,

    Recommended operation conditions sets the conditions for which it specifies device operation . These are the conditions that the application circuit should provide to the device in order for it to function as intended.  Here recommended operation conditions specifies min is 1K , which is the  min load  that device will still function,  but not necessarily at its optimum performance (not guaranteed electrical characteristics ). The 5K  is the min load  that still yields the specified specs given  in datasheet. 

    Regards,

    Arash