A Novel Curvature Compensation Technique for High Precision Voltage Reference

Author

Liu, Yonggen ; Feng, Yong ; Zeng, Shao Wei ; Luo, Ping ; Zhang, Bo ; Li, Zhaoji

Author_Institution

IC Design Center, Univ. of Electron. Sci. & Technol. of China, Chengdu

Volume

4

fYear

2006

fDate

25-28 June 2006

Firstpage

2222

Lastpage

2225

Abstract

This paper proposed a new curvature compensation approach for a kind of bandgap voltage reference using the temperature characteristics of the current gain beta and the bandgap narrowing factor DeltaE_G of emitter of a bipolar transistor. This technique requires no additional circuits for the curvature compensation. This paper designed two bandgap references that the output voltages are 1.207 v and 2.419 v, respectively and the temperature coefficients are 0.73 ppm/degC and 0.65 ppm/degC, respectively. These circuits dissipate about 0.09 mW with a 3-V supply and 0.18 mW with a 5-V supply, respectively

Keywords

bipolar transistors; compensation; reference circuits; bandgap voltage reference; bipolar transistor; curvature compensation approach; temperature characteristics; Battery charge measurement; Bipolar integrated circuits; Bipolar transistors; Current measurement; Current supplies; Paper technology; Photonic band gap; Power measurement; Temperature dependence; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Communications, Circuits and Systems Proceedings, 2006 International Conference on

Conference_Location

Guilin

Print_ISBN

0-7803-9584-0

Electronic_ISBN

0-7803-9585-9

Type

conf

DOI

10.1109/ICCCAS.2006.285119

Filename

4064366