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我现在要设计一个uA级的测试电路,用一个INA282搭建测试不理想,有好的方案吗?要高端采样!

Other Parts Discussed in Thread: INA282, INA191

我现在要设计一个uA级的测试电路,用一个INA282搭建测试不理想,有好的方案吗?要高端采样!实际上要设计一个2A到10UA的测试电路,精度要求是测试UA时精度1%,UA级一直找不到好的方案,有好的芯片方案吗?