The input comparator in the circuit features a fairly wide range of common-mode voltage, and provides programmable hysteresis input and programmable input/ output delay. 可编程输入输出模式输入比较器有较宽的共模电压范围,有可编程磁滞输入和可编程输入/出延时。
In this situation, the CMRR ( common-mode rejection ratio) of the input differential amplifier was unsatisfactory. 在这种情况下,输入差分放大器的CMRR不令人满意。
It analyses some factors which constrain the buffer's performance, including gain, common-mode response and linearity of input buffer. Based on improvements on these factors, the whole performance of input buffer is greatly improved. 对输入buffer分析了增益、共模响应、线性度等制约性能的因素,通过电路改进使性能大大提高;
Specifically analysed and presented the common-mode differential input stage, linear transconductance control circuit of input stage, current sum circuit, floating AB-class control output stage, the bias circuit of OP Amps and the bandgap reference current source circuit. 具体对运放的共模差分输入级、输入级线性跨导控制电路、电流和电路、浮动AB类输出级电路、运放的偏置电路和带隙参考电流源电路进行分析设计。
Based on the structure, an ultra-low voltage operational amplifier is designed, which provides a rail-to-rail common-mode input voltage range and output voltage swing, as well as a high common mode rejection ratio ( CMRR). 基于此结构,实现了一种超低压运算放大器。仿真分析表明,该运算放大器能够实现轨到轨(rail-to-rail)的共模输入电压范围和输出电压摆幅,以及较高的共模抑制比。
A high common-mode input range and high output swing CMOS operational amplifier 一种高共模输入范围高输出电压摆幅的CMOS运算放大器
High GBW amplifier with large input common-mode range ( ICMR) is introduced to enhance differential-mode range of input signals. 设计大共模输入范围的高增益带宽积的放大器,以提高信号差模输入范围和精度;
During the process of designing the core cell, a novel continuous common-mode feedback structure has been proposed, which is suitable for the input stage. 在核心单元研发过程中,实现了极零抵消的密勒补偿方案,并提出了一种适用于输入级单元的新型连续型共模反馈电路架构。
Design of High Performance Operational Amplifiers with Ultra-width Common-Mode Range of Bipolar Input Stages 一种超宽共模输入范围高性能运算放大器的设计
An operational amplifier with high common-mode rejection ratio ( CMRR) is designed based on this transconductance, which provides rail-to-rail input and output. 在此基础上,设计了一种具有高共模抑制比的恒定跨导运算放大器。该运算放大器具有Rail-to-Rail的输入、输出能力。