A resistorless CMOS current reference with temperature compensation

被引：0

作者：

Yan Wei ^{[1
]}

Tian Xin ^{[1
]}

Li Wenhong ^{[1
]}

Liu Ran ^{[1
]}

机构：

[1] Fudan Univ, State Key Lab ASIC & Syst, Shanghai 201203, Peoples R China

来源：

JOURNAL OF SEMICONDUCTORS | 2011年 / 32卷 / 03期

基金：

国家高技术研究发展计划(863计划);

关键词：

current reference; resistorless; temperature compensation;

D O I：

10.1088/1674-4926/32/3/035006

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

A resistorless CMOS current reference is presented. Temperature compensation is achieved by subtracting two sub-currents with different positive temperature coefficients. The circuit has been implemented with a Chartered 0.35 mu m CMOS process. The output current is 1.5 mu A, and the circuit works properly with a supply voltage down to 2 V. Measurement results show that the temperature coefficient is 98 ppm/degrees C, and the line regulation is 0.45%/V. The occupied chip area is 0.065 mm(2).

引用

页数：4

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