论文部分内容阅读
针对电源电压为 1V甚至更低的应用环境 ,给出了一种基于共模电平偏移电路的新型 rail- to- rail运放结构 ,相对以往同类电路具有很好的对称性和较高的输入阻抗 ,并对之进行了详细的讨论 .在整个共模输入电压范围内 ,其单位增益带宽随共模电压变化仅为 0 .0 5 % .
A novel rail-to-rail op amp structure based on common-mode level shift circuit is proposed for power supply voltage of 1V or lower. Compared with the previous similar circuit, it has good symmetry and high The input impedance is discussed in detail, and the unity gain bandwidth varies only 0.05% with the common-mode voltage over the common-mode input voltage range.