• State Resolved
  • Locked Locked
  • Replies 3 replies
  • Answers 1 answer
  • Subscribers 21 subscribers
  • Views 252 views
  • Users 0 members are here
Support feedback
Options
Options
Similar topics

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

LMK62E0-156M: Selection recommendation.

Charlie Xiao
Expert 5600 points
Part Number: LMK62E0-156M
Other Parts Discussed in Thread: LMK6C, LMK6P

Hi Team,

My customer needs a 156.25MHz clock for the DSP.

Besides LMK62E0-156M, is there any other recommendation? Better supply is required. Thanks. 

Regards, Charlie

  • +1
    TI__Expert 8170 points

    Hi Charlie, 

    The LMK6X family is our latest generation of oscillators, and they have improved jitter performance and a smaller package size compared to the LMK62E0. The 156.25 MHz LVPECL variants will be released in Q1 2023. For now, information on all variants are included on the LMK6C datasheet. 

    Regards, 

    Connor 

  • 0 in reply to Connor Lewis
    TI__Expert 5600 points

    Hi Connor,

    The voltage amplitude of the required clock is 800mV to 1000mV.

    Is 156.25 MHz LVPECL only suitable? When will samples of the 156.25 MHz LVPECL be available? Thanks.

    Regards, Charlie

  • 0 in reply to Charlie Xiao
    TI__Expert 8170 points

    Hi Charlie, 

    Is the amplitude of 800 mV to 1000 mV differential (shown as Vout-diff = 2x Vod in the diagram below), or single ended (Vod)? If differential, then LVPECL is most likely the best choice. The actual amplitude of the clock will depend on the termination scheme and the impedance of the receiver. 

    LMK6P samples are currently available, I will reach out to you via email for more details. 

    Regards, 

    Connor