For this, I adopt the new differential input stage to make input common mode range enlarged, and as far as possible not reduce its gain. 为此,采用了新的差分输入级,使共模范围(CMR)增大,同时尽量不减少差分输入级的增益。
It reaches rail-to-rail common mode input range, for it adopt a complementary input differential pairs which is controlled by a level shifter. 采用电平移位控制的互补差分输入级,实现了Rail-to-Rail的共模输入范围;