现在的DAC电流芯片输出的范围是0到20mA,怎么让DAC8750电流芯片输出-16mA~+16mA,怎么输出负的16mA,希望有过经验的高手,帮我解答一下。...
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您好,你的精度达不到我的要求阿。。。我现在的输出电流也要达到负的16mA并且分辨率不小于16位,用DSP去控制DAC8750电流芯片,能实现吗?
前级可以保留DAC8760或者选用其他16Bit DAC,后级增加一个XTR300,用于实现V/I转换。http://www.ti.com/lit/ds/symlink/xtr300.pdf