Methods and apparatus for providing an autocalibrated voltage re

Details Methods and apparatus for providing an autocalibrated voltage re Methods and apparatus for providing an autocalibrated voltage re

1998-07-08

1999-10-26

Riley, Shawn

Electricity: power supply or regulation systems

Output level responsive

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

323907, 323316, G05F 316

Patent

active

059734876

ABSTRACT:
An autocalibrated voltage reference includes a continuous time reference and a switched calibration reference where continuous time reference is dynamically adjusted to match the switched reference such that the temperature drift and long term drift of the continuous time reference is matched to the low temperature drift of the switched reference and further resulting in improvement of the long term drift of the switched reference and of the entire system.

REFERENCES:
patent: 4800500 (1989-01-01), Tanaka
patent: 5124663 (1992-06-01), McEntarfer et al.
patent: 5319370 (1994-06-01), Signore et al.
patent: 5440305 (1995-08-01), Signore et al.
"A Low-Voltage CMOS Bandgap Reference" Eric A. Vittoz and Olivier Neyroud, IEEE Journal of Solid-State Circuits, vol. SC-14, No. 3, Jun. 1979.

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