Other Parts Discussed in Thread: ADS54J69
如何把输入信号偏置到共模电压?有没有推荐的电路设计?
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您好,ADC是差分输入吗? 可以考虑使用全差分运放,全差分运放的Vocm即为输出共模电压,可以设置为ADC的共模电压。
下面是全差分运放的选型链接:
https://www.ti.com.cn/zh-cn/amplifier-circuit/fully-differential/products.html
好的,有什么问题再讨论,顺便附上一篇关于使用全差分作为电平转换的应用blog: