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我想到几个方案，大家帮忙评估一下:
1、MCU + 电流型DAC，MCU通过数字接口（IIC等）与电流型DAC通信，控制DAC输出电流，最好是双路输出DAC。
2、MCU+电压型DAC（最好双路输出）+ V/I电路
器件需要在-55℃~70℃工作，大家帮忙推荐一下方案、电路以及器件，感谢！
