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如何设计平滑可调，范围0.5-2mA, 精度优于±0.005mA的多路恒流源，有没有器件或者参考设计推荐

HJK
Intellectual 305 points

Hi TI team,

我现在想实现一个平滑可调，范围0.5-2mA, 精度优于±0.005mA的多路恒流源同时输出，请问有没有运放器件或者参考设计推荐的，主要想知道如何做到平滑可调，通过改变阻值的方法很麻烦不适用