从TI官网下载的OPA365-Pspice模型,接成跟随器,仿真Ib电流。
1.使用±2.5V双电源供电,同相端接GND,反相端连接输出。仿真结果:Ib+=-401.156fA , Ib-=-401.681fA
2.使用+5V单电源供电,同相端接+2.5V,反相端连接输出。仿真结果:Ib+=4.5989pA , Ib-=4.5983pA
请TI工程师帮忙分析一下。
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从TI官网下载的OPA365-Pspice模型,接成跟随器,仿真Ib电流。
1.使用±2.5V双电源供电,同相端接GND,反相端连接输出。仿真结果:Ib+=-401.156fA , Ib-=-401.681fA
2.使用+5V单电源供电,同相端接+2.5V,反相端连接输出。仿真结果:Ib+=4.5989pA , Ib-=4.5983pA
请TI工程师帮忙分析一下。