Architecture and cells for micropower temperature sensors
We present a temperature sensor architecture and the design of a cell for systems on a chip (SoCs) incorporating temperature sensing functions for applications in the 240 K to 400 K range. The proposed architecture emphasizes signal processing in the digital domain, thus simplifying analog circuitry...
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| Formatua: | article |
| Hizkuntza: | ingelesa |
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2004
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| Sarrera elektronikoa: | https://hdl.handle.net/20.500.12008/21267 |
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| Gaia: | We present a temperature sensor architecture and the design of a cell for systems on a chip (SoCs) incorporating temperature sensing functions for applications in the 240 K to 400 K range. The proposed architecture emphasizes signal processing in the digital domain, thus simplifying analog circuitry and allowing very low consumption. We perform a theoretical temperature dependence analysis of several simple circuits and apply the results to the design of a cell on a 0.8m technology that generates the basic analog signals for the aforementioned architecture. Simulations for this circuit show that it draws less than 30 nA from a supply in the 1.6V to 5.0V range while exhibiting excellent temperature characteristics. |
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