如题,如果是四运放更好
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单通道的话可以参考OPA129
四通道的话,可以参考LMC6084,LMC6064。
这只是根据您的应用,选择了输入偏置电流相对很小的精度运放,还需要考虑供电电压,带宽等参数,您可以参考一下看实际是否满足您的要求。