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关于电阻类传感器使用恒流源进行信号的电压转换

Other Parts Discussed in Thread: REF200, LM317L

使用电阻类传感器(例如:PT100),电阻变化范围50-400欧,想采用高精度的恒流源,使信号变化为电压信号,电压范围可以是mv级别,也可以是V级别,电压信号最高不超过5V,即恒流源电流范围应该是1mv-12mv之间,电流精度≤1%

望推荐几块外围电路简单的IC,谢谢