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DP83822I: DP83822I Crystal Parallel Capacitor

RongFeng Yan
Prodigy 70 points
Part Number: DP83822I
Other Parts Discussed in Thread: TIDA-00928

For DP83822I crystal parallel Capacitor, what is the recommended value if the load capacitance of crystal is 10pF?

Is there any general formula or guideline to calculate the parallel capacitor value based on crystal load capacitance?

  • 0
    TI__Mastermind 26320 points
    Hi,

    I believe you are referring to CL1 and CL2 given in section Crystal section of datasheet. These values are typically recomended by XTAL vendor in order to XTAL to resonate at right frequency.

    We normally recommend to stick to similar specifications as used on our EVM and TIDA-00928 to avoid any fine tuning to get to right frequency and ppm.

    regards,
    Geet