Low voltage temperature-to-voltage converter

Details Low voltage temperature-to-voltage converter Low voltage temperature-to-voltage converter

1996-09-12

1999-07-13

Ton, My-Trang Nu

Miscellaneous active electrical nonlinear devices, circuits, and

External effect

Temperature

327538, H01L 3500, H03K 342

Patent

active

059232080

ABSTRACT:
A temperature-to-voltage converter includes a first circuit for developing a signal having a positive temperature coefficient and a second circuit for developing a signal having a voltage offset and a negative temperature coefficient. The converter also includes an adder circuit configured to subtract the negative-temperature-coefficient signal from the positive-temperature-coefficient signal. The resulting difference signal is a low voltage that exhibits linear temperature-to-voltage conversion, allowing the converter to be powered by a low operating voltage.

REFERENCES:
patent: 4887181 (1989-12-01), Lenz
patent: 5231316 (1993-07-01), Thelen, Jr.
patent: 5373226 (1994-12-01), Kimura
patent: 5434533 (1995-07-01), Furutani

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