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仪用放大器 直流量放大

Other Parts Discussed in Thread: INA114, INA122, INA118

请问TI的仪用放大器INA114(INA122、INA118)能不能放大直流电压,如在VI-接+50mV直流电压  VI+接直流+50mV电压能不能进行放大。

我自己接单、双电源均不可使用。如果能放大该怎么接?  谢谢!! 

这个是我现在的接法   麻烦各位看一下有没什么问题   (输入的要求为直流电压  毫伏级别的)