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https://e2e.ti.com/support/clock-timing-group/clock-and-timing/f/clock-timing-forum/1335768/lmx2820-what-will-happen-when-power-down-the-pll-with-reference-is-in-on-condition
在断电模式下、基准输入引脚可提供的最大输入功率是多少？
我在断电条件下提供0dBm 100MHz 参考。 它是否会导致 PLL 故障？
您好！
不、即使在 PLL 没有 Vcc 电源时有一个 OSCin 信号、它也不会损坏 PLL。
