Temperature sensor with digital bandgap
US8092083B2 · kind B2 · utility
15Cited by
1,066References
5Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 1, 2007 |
| Grant date | Jan 10, 2012 |
| Priority date | — |
| Expiry date | Dec 16, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M3/43
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A system comprises a temperature sensor generate multiple base-emitter voltage signals by sequentially providing various currents to a transistor, and a system controller to determine a differential voltage signal according to the multiple base-emitter voltage signals, the differential voltage signal proportional to an environmental temperature associated with the transistor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.