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UB925/UB928 spread spectrum

Mike Score
Expert 4170 points

Delphi is using the UB928 and UB925 and would like to use the spread spectrum.  Is there a way to do that since it looks like the UB925 supports SSCG but UB928 does not?

 

Thanks,

Mike Score

  • 0
    TI__Genius 14015 points

    Hi Mike,

    The 925 can accept a spread spectrum input (SSC), but it does not generate spread spectrum (SSCG). The 926 has SSCG, and typically you would either have one or the other - SSC input to the 925, or SSCG output from the 926.

    The 927/928 don't have these features, since they are not needed. LVDS signals have better EMI performance than LVCMOS.

    If they have a SSC input to the 925 paired with a 928, then everything will track and it will work.

    Let me know if you have any other questions!

    Thanks,
    Jason