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我现在的一个项目，检测0～10v和4～20ma电流，至少有4路，精度要到0.001左右，需要用较高精度的adc芯片，希望推荐一些合适的型号以及参考电路。包括前级信号处理比如使用跟随器等的电路参考也请提供下，谢谢
