A temperature-compensated bandgap voltage reference circuit for high precision applications

This paper presents a second-order BiCMOS bandgap voltage reference circuit for temperature range of -40 to 120 /spl deg/C and for supply voltage of 5 Volt. The bandgap voltage is obtained through a mixed-mode topology, which has the added flexibility for obtaining high precision second-order temper...

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Main Authors: Paul, R., Patra, A.
Format: Conference Proceeding
Language:English
Subjects:
BiCMOS integrated circuits
Circuit stability
Circuit topology
Photonic band gap
Power engineering and energy
Resistors
Silicon
Temperature dependence
Temperature distribution
Voltage
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Patra, A.
description This paper presents a second-order BiCMOS bandgap voltage reference circuit for temperature range of -40 to 120 /spl deg/C and for supply voltage of 5 Volt. The bandgap voltage is obtained through a mixed-mode topology, which has the added flexibility for obtaining high precision second-order temperature compensation. The circuit is designed in 0.5 /spl mu/m BiCMOS process. The reference voltage obtained is 1.158 V at room temperature and has a temperature coefficient of 3 ppm//spl deg/C. The proposed circuit will find application in high precision analog and digital circuits.
doi_str_mv 10.1109/INDICO.2004.1497820
format conference_proceeding
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects BiCMOS integrated circuits
Circuit stability
Circuit topology
Photonic band gap
Power engineering and energy
Resistors
Silicon
Temperature dependence
Temperature distribution
Voltage
title A temperature-compensated bandgap voltage reference circuit for high precision applications
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