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ADC输入电压超出芯片量程范围

Other Parts Discussed in Thread: ADS1230

如上图所示,使用的芯片是ADS1230芯片,重量传感器的电压是10-15V,芯片的电压都是5V,发现重量传感器输出的电压超出了芯片的量程范围,将重量传感器的电压降到5V就能正常工作了。如果一定要用10-15V电压给重量传感器,那需要怎么处理才能使信号在芯片量程范围内,加运放?且是负反馈?求高手指教,不胜感激