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急求!!!请求各位进来指点

Other Parts Discussed in Thread: OPA551

请问opa551/500 想把双电源供电改为单电源供电,输入5伏的一个正弦波信号 想把它放大一定的倍数。无奈看不懂它的技术说明,总是仿真不出来   不知道是哪里的问题(人笨不拆~~~~(>_<)~~~~ )   ,仿真里不管怎么改参数输出都测的是7.5伏  醉了醉了   求指点      仿真用的电路(用tina仿真的)如下: