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试了好长时间就是出不来
请楼主对你的应用进行详细说明
楼主是要用128做心电的吗?128的VG要比输入的共模电压小0.7V,如果你要做右腿驱动电路就要加一个直流补偿的电路。不过你也可以使用ina333,这个做心电也很不错。
问题不清楚。
应用,电路,出不来指什么?