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INA849的放大倍数取决于电阻，我想用模拟开关加几个电阻实现类似PGA的功能，即可编程放大，可行吗？
或者想实现这样的目的有什么其他建议的方法吗？
您好，
请参考这个链接，
e2echina.ti.com/.../2756877
