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CD74HC4051: The crosstalk of 74HC4051

Ferber90
Prodigy 10 points
Part Number: CD74HC4051

Hello, Genius：

    I met a problem that is about 74HC4051 crosstalk when I designed a circuit about  infrared Receive LED, I used 74HC4051 for choice signal, but the crosstalk of  74HC4051 is very large i can't stand, I wanna how to decrease the crosstalk of 74HC4051, I hope your answer very much, thank you !

  • 0
    TI__Expert 3180 points
    Hello,

    We are disappointed to hear this issue about our device.
    Could you provide my team and I with a snippet of what your circuit looks like on the PCB?
    Could you also provide us the scope captures showing the large amount of crosstalk between the channels you see them at? An the output?
    These things will allow my team to better understand the issue you are seeing in your system.

    Thank you,
    Louie