Low-voltage curvature-compensated bandgap reference

Details Low-voltage curvature-compensated bandgap reference Low-voltage curvature-compensated bandgap reference

2006-01-17

2006-01-17

Zweizig, Jeffrey (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

C327S513000

Reexamination Certificate

active

06987416

ABSTRACT:
A subtractor is connected between a p-channel bandgap reference unit and an n-channel bandgap reference unit. The subtractor includes two NPN transistors connected to the p-channel bandgap reference unit, and two PNP transistors connected to the n-channel bandgap reference unit. The subtractor takes the difference of the two currents produced by the p-channel and n-channel bandgap reference units and generates a temperature insensitive and curvature-compensated reference voltage of less than one volt across an output resistor.

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