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ADS8472手册中给出的应用电路图中RC滤波电路可以不用吗?

Other Parts Discussed in Thread: ADS8472

在ADS8472手册中给出的驱动电路figure41,42中,在+IN和-IN输入端接有RC低通滤波电路,我用TIAN软件仿真了这个电路,发现接上RC滤波电路后就仿真错误没输出了,不接正常。

而且给的RC值,算一下低通滤波的截止频率是168.8x10(-9次方),结合我自己的应用:输入的差分频率在50k作用,我个人觉得没必要加这个RC低通滤波,我想听听TI团队的想法。