想用ADS122S021采集大于5v的电压,应该用什么样的方法??还不能影响后级电路,是用电阻分压吗?电阻应该选用什么类型的,请各位大神指教!!
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想用ADS122S021采集大于5v的电压,应该用什么样的方法??还不能影响后级电路,是用电阻分压吗?电阻应该选用什么类型的,请各位大神指教!!