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An Overview of the Research on CMOS Bandgap Reference Sources

Zhihua Wang

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Abstract

Bandgap reference source is an important unit in integrated circuits,which supplied reference voltage or current independent of temperature and supply voltage.The principle of CMOS bandgap reference source was described,and the design challenge was pointed out.Finally,CMOS bandgap reference sources with low supply voltage,low power,high precision and high PSRR were analyzed,respectively.

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What this paper is about

Bandgap reference source is an important unit in integrated circuits,which supplied reference voltage or current independent of temperature and supply voltage.The principle of CMOS bandgap reference source was described,and the design challenge was pointed out.Finally,CMOS bandgap reference sources with low supply voltage,low power,high precision and high PSRR were analyzed,respectively.

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Available abstract

Bandgap reference source is an important unit in integrated circuits,which supplied reference voltage or current independent of temperature and supply voltage.The principle of CMOS bandgap reference source was described,and the design challenge was pointed out.Finally,CMOS bandgap reference sources with low supply voltage,low power,high precision and high PSRR were analyzed,respectively.

Key concepts: Bandgap voltage reference, Power supply rejection ratio, CMOS, Voltage reference, Silicon bandgap temperature sensor, Voltage, Electrical engineering, Band gap

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