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TMUX1208: About Crosstalk

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Guru 21045 points
Part Number: TMUX1208

Hi Team,

 

We understand that Typical Crosstalk are -64dB and -42dB.

We have three questions.

 

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[Q1]

Could you please let us know Max and Min values if you have any information?

 

[Q2]

Could you please let us know Crosstalk value of DC level(f=0MHz)?

 

[Q3]

We would like to know the variability between devices of typical crosstalk values.

Could you please let us know the histogram?

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Regards,

Hide

  • +1
    TI__Genius 10974 points

    Hi Hide,

    Thanks for reaching out for these questions. See below:

    1) We unfortunately cannot provide any min/max data for this parameter. However, this parameter is relatively stable across conditions (when device is standalone which is how the datasheet value was derived) and is usually more affected by external sources such as input frequency, layout, and loading.

    2) Crosstalk is almost non-existent at DC. Crosstalk is heavily influenced by frequency of the inputs and will be more pronounced the higher the frequency becomes.

    3) We do not have histograms to share on this. As I said previously, the device itself will have very little shift in this parameter across process/fabrication and input conditions. The main concern comes from how the multiplexer is utilized in the system and if there are high frequencies involved or extra capacitances attached to the inputs.

    Thanks!

    Bryan

  • 0 in reply to Bryan Marshall
    Guru 21045 points

    Hi Bryan-san,

    Thank you for the information.

    Regards,

    Hide