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可以提高成本~要求高输入阻抗和低偏置电路~~谢谢大佬们
INA331 - 低功耗单电源 CMOS 仪表放大器, 有更低的输入失调, 可以看看
如果在提高一些精度和高共模抑制比的话有推荐么,之前有人推荐了INA111,但是太贵了,有没有便宜一点的产品