An All CMOS Current Reference

Abstract:

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In this paper, an all CMOS current reference circuit which generates a reference current independent of PVT (Process, supply Voltage, and Temperature) variations is presented. The circuit consists of a self-biased current source (SBCS) and two nested connected transistors which supply a voltage with positive temperature coefficient and the resulting reference circuit has low temperature coefficient. It is based on CSMC 0.5um mixed-signal process with the supply voltage of 5V. The precision of reference current is about ±3.05% when considering the process, supply voltage and temperature variation at the same time.

Info:

Periodical:

Edited by:

Robin G. Qiu and Yongfeng Ju

Pages:

192-197

DOI:

10.4028/www.scientific.net/AMM.135-136.192

Citation:

L. A. Li et al., "An All CMOS Current Reference", Applied Mechanics and Materials, Vols. 135-136, pp. 192-197, 2012

Online since:

October 2011

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Price:

$35.00

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