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PCA9518: VOL

Kara Haynes
Prodigy 560 points
Part Number: PCA9518
Other Parts Discussed in Thread: TCA9517A, TCA9617B

Tool/software:

Hi There,

If we are expecting 1uA of output current for the PCA 9518 below, what would be the VOL in these cases?

Thank you!
Kara

  • 0
    TI__Guru 53278 points

    Hi Kara,

    It would most likely be somewhere in the typical range (0.52V). I believe the 0.45V and 0.7V are edge cases found when sinking the max current (6mA) at cold and hot temperatures. 

    I would expect 0.52V in lab testing though. 

    Also, PCA9518 has a clock stretching errata. I highly recommend to move devices to something like the TCA9548, or try one of our single channel buffers such as the TCA9517A, TCA980x, TCA9617B. These are more reputable parts, designed with newer processes with no bugs. 

    Regards,

    Tyler