Low-voltage super class AB CMOS OTA cells with very high slew rate and power efficiency. IEEE J Solid-State Circuits 2005;40:1068-78.Lopez-Martin A J, Baswa S, Ramirez-Angulo J, et al. Low- voltage super class A
采用Class-AB输出级设计的运放可在较低的静态电流下实现轨对轨输出,推挽的输出方式使得其在大信号建立时的电流不受静态电流的限制,可以实现更好的压摆率。 然而,由于Class-AB的输出PMOS和NMOS都受前级信号的控制,相比传统结构输出级只有PMOS或NMOS被前级输入信号控制,其需要更为复杂的偏置或者说控制电路。在之前笔者的...
Class AB output stages are increasingly popular in today’s low voltage battery-powered electronics where amplifier applications demand high efficiency as well as rail-to-rail operation. In the era of portable equipment, low supply voltage and low power consumption are intrinsic traits [1]。
Index Terms-- Class AB, rail-to-rail, low output impedance, low voltage, operational amplifier, power efficient. I - INTRODUCTION Class AB output stages are increasingly popular in today’s low voltage battery-powered electronics where amplifier applications demand high efficiency as well as rail-...
Low-Voltage Super Class AB CMOS OTA cells with very high slew rate and power efficiency IEEE J. Solid State Circ. (May 2005) J. Ramirez-Angulo et al. A simple technique to significantly enhance slew rate and bandwidth of one-stage CMOS operational amplifiers 2002 IEEE International Symposium ...
CMOS integrated circuitlow powerThis paper presents a Class-AB audio power amplifier with state-of-the-art power efficiency and performance. In this work,... Tang,Fang,Shiping,... 被引量: 0发表: 0年 加载更多 研究点推荐 CMOS-integrated class AB amplifier 站内活动 ...
electronics where amplifier applications demand high efficiency as well as rail-to-rail operation. In the era of portable equipment, low supply voltage and low power consumption are intrinsic traits [1]。 Performance requirements are also becoming more stringent, leaving the designer with ...
第12章Class AB and driver amplifiers
Qg is recommended to be smaller than 20nC for mid and high-end power, full-bandwidth amplifiers www.irf.com System Î Gate Drive Î MOSFET Î Design Example Choosing the Right MOSFET for Class D Application (2) – Amplifier performance such as THD, EMI and efficiency η are also ...
A high efficiency class-AB amplifier is disclosed. The amplifier comprises a first input stage and a second input stage, both coupled to a class-AB biasing mesh and an output stage,