Phase Compensation Techniques for Low-Power Operational Amplifiers

被引：0
|
作者：
Ito, Rui [1 ]
Itakura, Tetsuro [2 ]
机构：
[1] Toshiba Corp Semicond Co, Syst LSI Div, Analog Device Design Dept, Kawasaki, Kanagawa 2128520, Japan
[2] Toshiba Co Ltd, Ctr Corp Res & Dev, Kawasaki, Kanagawa 2128582, Japan
来源：
IEICE TRANSACTIONS ON ELECTRONICS | 2010年 / E93C卷 / 06期
关键词：
low-power; operational amplifier (opamp); phase-compensation; NESTED MILLER COMPENSATION; CLASS-B BUFFER; CMOS; DESIGN; GAIN;
D O I：
10.1587/transele.E93.C.730
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An operational amplifier is one of the key functional blocks and is widely used in analog and mixed-signal circuits. For low-power consumption, many techniques such as class AB and slew-rate enhancement have been proposed. Although phase compensation is related to power consumption, it has not been clearly discussed from the viewpoint of the power consumption. In this paper, the conventional and the improved Miller compensations and the phase compensation by introducing a new zero are dicussed for low-power operational amplifiers.
引用
收藏
页码：730 / 740
页数：11
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