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HD3SS3212: Spec questions

Shu-Cheng LIN
Guru 11785 points
Part Number: HD3SS3212


Hi Sirs, 

Sorry to bother you.

We'll use TI HD3SS3212 to replace NXP CBTL02042A, but some spec need confirm.

  1. Is TI’s parameter tested under channel is ON condition? 
  2. Is the less differential return loss, the better performance? There is 7dB between you and NXP at frequency is 2.5GHz.
  3. Is the bigger differential crosstalk, the better performance? There is 5dB between you and NXP at frequency is 2.5GHz.

Q1 Pic

Q2 Pic 

Q3 Pic

 

  • 0
    TI__Genius 16150 points

    Hi Lin,

    Please let me verify this information with the team. ASAP I will be back with the answers.

    Thanks,

    Luis Omar Moran

    High Speed Interface

    SWAT Team

  • 0
    TI__Genius 16150 points
    Hello Lin,

    A1. Yes, the parameter was measured with the channel in ON condition.
    A2. The biggest value for insertion loss is best performance, I mean, -0.8dB > -1.2dB, in this case the transferred power is better when RL = -0.8dB. As you know when the frequency increases the transfer function is worse.
    A3. The smaller value for crosstalk is the best performance, I mean -35dB > -30dB, in this case the coupling between signals is lower when XTALK = -35dB.

    Best Regards,
    Luis Omar Moran
    High Speed Interface
    SWAT Team