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DAC7573 Pull current?

JiaMing Liang
Prodigy 120 points

Other Parts Discussed in Thread: DAC7573

Hi everyone , I'm using DAC7573 as a device driver but I don't know its pull current . I have found the reference , however not a such clue of it . Is anyone can tell me that parameter? 

Thank you very much!

Happy 2016 :)

  • 0
    TI__Genius 11750 points
    Howdy Jiaming,

    Are you referring to the source/sink capability at a certain output voltage? This information is listed on page 8 of the DS. The Datasheet displays both the Source and Sink Capability of the DAC outputs near positive and negative rails.

    Please also keep in mind that the DAC load current is essentially sourced from the positive VDD supply of the DAC7573. As an example please refer to Figure 42 provided in the Datasheet.

    If a 5kOhm load is attached to a 5V DAC output, the amount of current required to source VDD is:
    600uA + (5V/5kOhm) = 1.6mA (where 600uA is IDD typical value with no load on all DAC outputs)

    This number will increase if other DACs are loaded as well.

    Best Regards,
    Matt