CMOS temperature insensitive voltage reference

Details CMOS temperature insensitive voltage reference CMOS temperature insensitive voltage reference

1985-09-19

1987-06-30

Miller, Stanley D.

Electricity: power supply or regulation systems

Self-regulating

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

323907, 307310, 307297, 357 13, 357 42, H03K 326, H01L 2990, H01L 2702, G05F 316

Patent

active

046773690

ABSTRACT:
A temperature insensitive voltage reference is described which can advantageously be implemented using standard CMOS processing techniques. A pair of parasitic bipolar transistors are coupled with appropriate resistors to produce a voltage with a temperature coefficient that is equal in value but of opposite polarity to a zener diode voltage-temperature coefficient. This voltage is then combined with a zener diode voltage to yield the desired output reference voltage.

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Bang-Sup Song et al., "A Precision Curvature Compensated CMOS Bandgap Reference", IEEE International Solid-State Circuits Conference, Feb. 25, 1983, pp. 240-241.
Marc G. R. Degrauwe et al., "A Family of CMOS Compatible Bandgap References", IEEE International Solid-State Circuits Conference, Feb. 14, 1985, pp. 142-143.
Robert A. Blauschild et al., "An NMOS Voltage Reference", IEEE International Solid-State Circuits Conference Digest of Technical Papers, Feb. 15-17, 1978, pp. 50-51.

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