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ECG的问题,特别的急,希望大家帮帮忙!谢谢

Other Parts Discussed in Thread: INA333, OPA2320, OPA2333

请问一下我用OPA2320替换OPA2333这个系列的可以不,还有INA333可以用图中的双电源供电吗?这个图可以用来采集微弱的电压信号吗(4mv左右)