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PCA9306: PCA9306 Level shifter

Shai Berman
Mastermind 7405 points
Part Number: PCA9306


Hello team,

my customer wants to use this PCA9306 Level shifter.

I want to understand how many components I can connect to each side? Is there a limit?

I see on TI’s ref. designs that there are several components connected, but I just want to make sure:

Could you please advise back, thanks in advance.

Best Regards,

Shai

  • 0
    TI__Guru 62920 points

    Hi Shai,

    The device itself doesn't impose a specific limitation, but the total load capacitance (including components on both sides) should not exceed 400 pF per I2C standard limits. If you need to support higher capacitance, you might consider a buffered level translator instead.

    Regards,

    Max