A 14-μA 3-ppm/°C CMOS bandgap voltage reference

被引：0
|
作者：
Yao, CH [1 ]
Liu, BA [1 ]
Xia, YW [1 ]
机构：
[1] Tsinghua Univ, Inst Microelect, Beijing 100084, Peoples R China
来源：
2005 6TH INTERNATIONAL CONFERENCE ON ASIC PROCEEDINGS, BOOKS 1 AND 2 | 2005年
关键词：
CMOS bandgap reference; curvature compensation; temperature-dependent resistor ration; PSRR; frequency compensation;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
The work presented in this paper improves on a high order curvature-compensated CMOS band-gap reference circuit design [6]. A cascoded current mirror is utilized in order to increase the bandgap voltage's power supply rejection ration (PSRR) and decrease the mismatch current A source follower is inserted in series with the capacitor to guarantee the system stable. Simulated in the standard 0.18 mu m CMOS technology, the proposed voltage reference can operate down to 1.5V supply and consumes supply current of 14 mu A. A temperature coefficient of 3-ppm/degrees C is achieved through the temperature-dependent resistor ratio.
引用
收藏
页码：524 / 527
页数：4
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