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A 65nm CMOS low-power, low-voltage bandgapreference with using self-biased composite cascode opamp

Published: 18 August 2010 Publication History

Abstract

In this paper, we present a low-voltage low-power CMOS bandgap voltage reference (BVR) based on the self-cascode self-biased op-amp. The current mirror mismatch error resulting from the channel length modulation (CLM) effect has also been compensated by using composite transistors. This proposed circuit, implemented in 65nm IBM CMOS process which generates a reference of 364mV from a power supply of the 1.2V and consumed the 28 μW at room temperature. The power supply rejection ratio is greater than 60 dB for frequency below 10 kHz. The proposed bandgap achieves a temperature coefficient(TC) of 4.7ppm/°C without trimming for the temperature range(TR) from 0 C to 100°C and the 0.75mV/V of ±10% supply voltage variations.

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R. Baker. CMOS, circuit design, layout, and simulation. Wiley-IEEE Press, New Jersy, 2001.
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C. J. B. Fayomi and et al. Sub 1v cmos bandgap reference design techniques: a survey. Analog Integrated Circuits and Signal Processing, 62(2):141--157, November 2010.
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T. C. P. Luis H.C. Ferreira and R. L. Moreno. A cmos threshold voltage reference source for very-low-voltage applications. Microelectronics Journal, 39(12):1867--1873, December 2008.
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F. F. C. P. M. Malcovati, P. Maloberti. Curvature-compensated bicmos bandgap with 1-v supply voltage. Journal of Solid-State Circuits, 36(7):1076--108, October 2001.
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B. Razavi. Design of Analog CMOS Integrated Circuits. McGraw-Hill, Boston:, 2001.
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E. Y, S. Sanchez-Sinencio. Low voltage analog circuit design techniques: A tutorial. IEICE Transaction on Fundementals of Electronics, 83(2):179--196, 2000.
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Cited By

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  • (2018)A 0.6 V temperature-stable CMOS voltage reference circuit with sub-threshold voltage compensation techniqueIEICE Electronics Express10.1587/elex.15.2018076015:18(20180760-20180760)Online publication date: 2018

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  1. A 65nm CMOS low-power, low-voltage bandgapreference with using self-biased composite cascode opamp

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    cover image ACM Conferences
    ISLPED '10: Proceedings of the 16th ACM/IEEE international symposium on Low power electronics and design
    August 2010
    458 pages
    ISBN:9781450301466
    DOI:10.1145/1840845
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    Published: 18 August 2010

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    Author Tags

    1. bandgap voltage reference
    2. self-biased
    3. self-cascode
    4. temperature coefficient
    5. voltage reference

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    • (2018)A 0.6 V temperature-stable CMOS voltage reference circuit with sub-threshold voltage compensation techniqueIEICE Electronics Express10.1587/elex.15.2018076015:18(20180760-20180760)Online publication date: 2018

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