Semiconductor temperature sensor

Details Semiconductor temperature sensor Semiconductor temperature sensor

1978-11-16

1981-01-06

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307229, 307296R, 328145, H01L 3100, H03K 326, G06G 724

Patent

active

042438985

ABSTRACT:
A temperature sensor circuit is disclosed which employs a plurality of semiconductor junctions arranged either in a current-mirror configuration or a bridge configuration in order to provide a differential output voltage which is linearly proportional to temperature. The temperature sensor circuit is ideally suited for fabrication as an integrated circuit, and the differential output voltage is relatively insensitive to integrated circuit processing variations as well as power supply variations. By providing a differential output signal, the circuit is particularly useful in high noise environments such as automotive applications.

REFERENCES:
patent: 3611171 (1971-10-01), Black
patent: 3809929 (1974-05-01), Vittoz
patent: 4004462 (1977-01-01), Dobkin
patent: 4029974 (1977-05-01), Brokaw
patent: 4123698 (1978-10-01), Brokaw
patent: 4138616 (1979-02-01), Turner

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