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LMK04800输出端接电阻取值



LMK04800的Datasheet 里,Figure 9-7 里,CLkoutX / ClkoutX* 的输出端接电阻是120ohm,而在snau076a.pdf里,CLkoutX / ClkoutX* 的输出端接电阻是240ohm

端接电阻 应该按照 上述哪一个 取值呢?

是120ohm还是240ohm呢?