Bandgap curvature correction and post-package trim...

Details Bandgap curvature correction and post-package trim... Bandgap curvature correction and post-package trim...

2006-03-17

2008-09-02

Han, Jessica (Department: 2838)

Electricity: power supply or regulation systems

Self-regulating

Using a three or more terminal semiconductive device as the...

C323S281000, C327S535000, C327S538000

Reexamination Certificate

active

07420359

ABSTRACT:
A bandgap voltage reference circuit having temperature curvature correction, comprises a bandgap voltage source configured to generate an output voltage, and a novel curvature correction circuit. The correction circuit is responsive to the bandgap voltage source output voltage and connected to apply a curvature correction signal to the bandgap voltage source to compensate for output voltage temperature dependency of the bandgap voltage source.

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Gupta et al., “Predicting and Designing for the Impact of Process Variations and Mismatch on the Trim Range and Yield of Bandgap References”, GT Analog and Power IC Design Lab, Georgia Institute of Technology, 6 pages.

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