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A low-noise bandgap reference voltage source with curvature correction | IEEE Conference Publication | IEEE Xplore

A low-noise bandgap reference voltage source with curvature correction


Abstract:

The design of a curvature-corrected bandgap reference using a linear combination of two base-emitter voltages with only one scaling factor is treated. Systematic design a...Show More

Abstract:

The design of a curvature-corrected bandgap reference using a linear combination of two base-emitter voltages with only one scaling factor is treated. Systematic design approaches are followed to obtain optimum performance with regard to noise, accuracy and power consumption. Further, the effect of the temperature dependency of the resistors on the performance of the bandgap reference is investigated. From simulation, using the parameters of the DIMES03 process, the output voltage is approximately 225 mV with an average temperature dependency of 3 ppm//spl deg/C in the range of 0/spl deg/C to 120/spl deg/C. Its total equivalent noise production at the output is approximately 20 nV//spl radic/Hz. The total current consumption is about 50 /spl mu/A from a 1.2 V supply.
Date of Conference: 26-29 May 2002
Date Added to IEEE Xplore: 07 August 2002
Print ISBN:0-7803-7448-7
Conference Location: Phoenix-Scottsdale, AZ, USA

References

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