Compact 0.7-V CMOS voltage/current reference with 54/29-ppm/°C temperature coefficient

被引：9
|
作者：
Park, Yoon-Suk [1 ]
Kim, Hyoung-Rae [1 ]
Oh, Jae-Hyuk [1 ]
Choi, Yoon-Kyung
Kong, Bai-Sun [1 ]
机构：
[1] Sungkyunkwan Univ, Sch Informat & Commun Engn, Suwon 440746, South Korea
来源：
2009 INTERNATIONAL SOC DESIGN CONFERENCE (ISOCC 2009) | 2009年
关键词：
CMOS analog circuit; low voltage; constant current; current reference; temperature compensation;
D O I：
10.1109/SOCDC.2009.5423852
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, new low-voltage low-TC voltage/current reference is presented. The proposed reference consists of a PTAT current source, a low-voltage bandgap reference, and a current replication circuit. According to evaluation results using a OAS-mu m CMOS process, the proposed reference exhibiting 512-mV output voltage and 0.94-mu A output current achieves a minimum supply voltage of 0.7 V. The proposed voltage/current reference achieves temperature coefficients of 54 ppm/degrees C and 29 ppm/degrees C with respect to output voltage and current, respectively. This voltage/current reference consumes an overall current of 7.6 mu A, and occupies a silicon area of 0.02 mm(2).
引用
收藏
页码：496 / +
页数：2
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