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DRV8825: 部分芯片输出管脚下降沿后有毛刺

Part Number: DRV8825


按照数据手册进行推荐设计后,mode2 mode1 mode0 分别悬空,3.3v 0欧上拉,3.3v 0欧上拉,step输入10khz的pwm波,部分芯片电机输出管脚312.5hz,输出下降沿后有1us的毛刺,幅度为电源电压,具体如图

这会影响功能吗?如何消除