Semiconductor temperature sensor
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United States of America Patent
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Mar 8, 2011
Issued Date -
N/A
app pub date -
Aug 29, 2008
filing date -
Aug 30, 2007
priority date (Note) -
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Abstract
Provided is a semiconductor temperature sensor having satisfactory linearity of an output voltage with respect to temperature. In a semiconductor temperature sensor (1), even if the temperature increases and a leakage current is generated at bases of a PNP (8) and a PNP (9), a current which flows into emitters of a PNP (7) and the PNP (8) is not affected by the leakage current by virtue of a leakage current compensation current of a PNP (14), and thus, the linearity of the output voltage with respect to the temperature is improved and the accuracy of the semiconductor temperature sensor (1) with respect to the temperature is improved.
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