A full differential structure is presented to improve the CMRR of Op Amp in this paper, and using this structure we composed a high performance Op Amp with input/output rail-to-rail mode.

• 文中介绍一种提高运算放大器共模抑制比的全差分结构,并且应用该结构设计一输入输出rail-to-rail方式的高性能集成运算放大器。