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微伏级直流电压的测量:仪表放大器的选择

Other Parts Discussed in Thread: INA125, INA116, INA129, INA333, INA128, INA826, OPA334, TLC2652A, OPA2734, LMP90100

现在需要采集微伏级直流电压,要求能分辨5uV电压,请问那款放大器比较合适?

电路设计有什么注意事项?

谢谢