IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
LETTER
A Novel 100ppm/°C current reference for ultra-low-power subthreshold applications
Bogoda A. Indika U. K.Daisuke KanemotoKenji Taniguchi
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JOURNAL FREE ACCESS

2011 Volume 8 Issue 3 Pages 168-174

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Abstract

We proposed a novel temperature-compensated, ultra-low-power current reference based on two β-multipliers whose resistors are replaced by nMOS devices operated in the deep triode region. The circuit, designed by a 0.25µm CMOS process, produces an output reference current of 13.7nA at room temperature. Simulated results show that the temperature coefficient of the output is less than 100ppm/°C in the range from -20°C to 80°C and the average power dissipation is 0.9µW.

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© 2011 by The Institute of Electronics, Information and Communication Engineers
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