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LMK04828: PLL1 鉴相频率PDF问题

Part Number: LMK04828

你好,TI工程师:

我现在从CLINK0输入的参考频率为77.76M,PLL1外部使用的VCXO频率为122.88MHZ,通过R和N分频后,鉴相频率可以设置为40K、80K、120K、192K等,PLL1主要用于抖动清除,对PLL1锁定时间要求不高,鉴相频率一般推荐多大比较好?