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2009 WRI World Congress on Computer Science and Information Engineering
Design of a Bandgap Current Reference with Wide Range of Output Voltage in a 0.18µm Bi-CMOS Process
Los Angeles, California USA
March 31-April 02
ISBN: 978-0-7695-3507-4
A bandgap voltage reference is designed in this paper with very low power consumption in 0.18μm Bi-CMOS process. A voltage-current converter is also designed to provide a current reference of 400μA in 0.18μm Bi-CMOS process. This new proposed current reference can work properly for output voltage in a wide range between 0.2V to 1.6V with output impedance greater than 12.5k Ohms. The output current deviates by no more than 1% over a temperature range of 20°c to 100°c and with output voltage widely varying between 0.2V and 1.6V. Circuits are simulated by Cadence in TSMC 0.18μm Bi-CMOS process.
Index Terms:
bandgap, voltage reference, current reference, CMOS
Citation:
Chen Yueyang, Zhong Shun'an, Dang Hua, "Design of a Bandgap Current Reference with Wide Range of Output Voltage in a 0.18µm Bi-CMOS Process," csie, vol. 3, pp.384-386, 2009 WRI World Congress on Computer Science and Information Engineering, 2009
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