A compact low-power rail-to-rail class-B buffer for LCD column driver

被引：0

作者：

Weng, MC ^{[1
]}

Wu, JC ^{[1
]}

机构：

[1] Natl Chiao Tung Univ, Dept Elect Engn, Integrated Circuits & Syst Lab, Hsinchu 300, Taiwan

来源：

IEICE TRANSACTIONS ON ELECTRONICS | 2002年 / E85C卷 / 08期

关键词：

class-B amplifier; LCD; column driver; rail-to-rail;

D O I：

暂无

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：

This paper proposes a compact, low-power, and rail-to-rail class-B output buffer for driving the large column line capacitance of LCDs. The comparator used as a nonlinear element in feedback path is modified from the current-mirror amplifier, which has area and power advantages. The output buffer was realized in a 0.35 mum CMOS process. The active area of the buffer is 86 X 73.5 mum(2). With a 3.3 V supply, the measured quiescent current is 7.4 muA. The settling time for 0.05-3.25 V swing to within 0.2% is 8 mus.

引用

页码：1659 / 1663

页数：5

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