Curvature-compensated CMOS bandgap circuit with 1 V reference voltage

This paper describes a new approach for design and implementation of programmable voltage reference based on current mode bandgap voltage reference and a proportional summing circuit. The circuit is simulated and fabricated with Chartered 0.35um mixed-signal technology, and our measurements demonstrate that its temperature coefficient is ±35.07ppm/°C from 0 to 100°C.The supply voltage is varied from 2.7-5V and the varied voltage reference is about 5mV. Depending on the state of the five VID inputs, an output voltage between 1.075V and 1.85V is programmed in 25mV increments.

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A programmable CMOS voltage reference based on a proportional summing circuit

Zhang

Guo

Kong

et al. 2007

2007 7th International Conference on ASIC

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A precise compensated bandgap reference without resistors

Song

Chen

et al.

Proceedings. 7th International Conference on Solid-State and Integrated Circuits Technology, 2004.

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High PSRR CMOS voltage reference for negative LDOS

Stanescu¹,

Caracas²,

Panaite³

et al.

2004 International Semiconductor Conference. CAS 2004 Proceedings (IEEE Cat. No.04TH8748)

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Curvature-compensated CMOS bandgap circuit with 1 V reference voltage

Cited by 4 publications

References 2 publications

A programmable CMOS voltage reference based on a proportional summing circuit

A programmable CMOS voltage reference based on a proportional summing circuit

A precise compensated bandgap reference without resistors

High PSRR CMOS voltage reference for negative LDOS

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