Other Parts Discussed in Thread: INA126
您好,请问INA849可以单电源供电吗?VREF接0V,如下图设计。输入共模电压4.9V,0~25mv差分电压
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您好,
可以单电源供电,但是在你的应用中,参考输出是GND,而INA849 输出电压摆幅到不了GND,在小的差分输入时输出很可能不是线性输出。因此,建议你在REF管脚上加参考电压,或者使用双电源供电。
TI 有一个工具,如下链接如下截图处下载,可以根据输入参数查看输出范围: