Temperature stabilized bandgap voltage reference circuit

Details Temperature stabilized bandgap voltage reference circuit Temperature stabilized bandgap voltage reference circuit

1995-12-21

1998-01-27

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

327538, 327 70, 327 83, 327 99, 323313, G05F 110

Patent

active

057125902

ABSTRACT:
A voltage reference circuit includes at least a first and a second voltage supply having different operating temperature ranges. Output voltages of the two voltage supplies are compared and one of the supplies is selected to provide an optimum voltage reference.

REFERENCES:
patent: 4492876 (1985-01-01), Colbert et al.
patent: 4617473 (1986-10-01), Bingham
patent: 4752700 (1988-06-01), Boyacigiller
patent: 4806789 (1989-02-01), Sakihama et al.
patent: 5272393 (1993-12-01), Horigushi et al.
patent: 5278798 (1994-01-01), Miyawaki
patent: 5352973 (1994-10-01), Audy
patent: 5391980 (1995-02-01), Thiel et al.
patent: 5424628 (1995-06-01), Nguyen
patent: 5440224 (1995-08-01), Kimura
"A Precision Curvature-Compensated CMOS Bandgap Reference" by Song & Gray, IEEE Journal of Solid-State Electronics, vol. SC-18, No. 6, Dec. 1983, pp. 634-643.
"A New Curvature-Corrected Bandgap Reference" by G. Meijer, et al, IEEE Journal of Solid-State Electronics, vol. SC-17, No. 6, Dec. 1982, pp. 1139-1143.

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