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https://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/577383/ina126-input-to-the-instrumentation-amplifier
INA126的输入范围是多少。ΔV μ m可以有多小，以便获得合理的良好输出。 ΔV =.5mV足够好。
还有什么是减少噪音的好方法呢，因为当我的手靠近电路时，它会显示不同的读数。
