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个人理解,这个还是要看图6~图9。首先看图8图9,结论是输出信号的频率在10K以上时,fast mode可以有更好的线性。再看图6图7,结论是为了达到更好的高频特性,fast mode会牺牲一部分电流。所以如果你的应用是低速低功耗场合,可以选择slow mode;试过是高速高精度场合,可以选择fast mode。