ADS1298使用模拟单电源供电,根据数据手册Figure 26,在用3.0V供电的情况下,意思是不是要在输入的INP、INN上分别加一个共模电压1.5V(提升电平)和信号输入?这样才能是电平在中间电位摆动。还有这种采样的参考电压要如何选择,能用内部的参考电压2.4V和5.0V吗?
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ADS1298使用模拟单电源供电,根据数据手册Figure 26,在用3.0V供电的情况下,意思是不是要在输入的INP、INN上分别加一个共模电压1.5V(提升电平)和信号输入?这样才能是电平在中间电位摆动。还有这种采样的参考电压要如何选择,能用内部的参考电压2.4V和5.0V吗?