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CDC6C: CDC6C vs LMK6C

Kengo.Y
Guru 11495 points

Part Number: CDC6C
Other Parts Discussed in Thread: LMK6C, , LMK6H, LMK6P, LMK6D

Hi team,

I'd like to know about different between CDC6C and LMK6C.
It appears there are no differences other than jitter performance.
Could you tell me what differences exist within the circuit?

BR,
Kengo.

  • +1
    TI__Genius 16920 points

    Hi Kengo, 

    CDC6C is our low-power, LVCMOS oscillator family. LMK6C also has an LVCMOS output, but it is part of our higher performance LMK6D/LMK6P/LMK6H family. As you mentioned, the jitter performance is better for LMK6C compared to CDC6C (500fs vs 1ps), but the power consumption is also higher (~50mA vs ~8mA depending on the output frequency).

    The main difference between these devices is that CDC6C uses a low-power integer divider to divide the ~2.5GHz BAW resonator down to the desired output frequency. LMK6C uses a more advanced fractional output divider, so it can output any arbitrary frequency in the entire tuning range. Let me know if you have any other questions. 

    Regards, 

    Connor