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Effective static response compensation suitable for low-power ASIC implementation with an application to pressure sensors

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3 Author(s)
Berthoud, C. ; Inst. of Microtechnol., Neuchatel Univ., Switzerland ; Ansorge, M. ; Pellandini, F.

This paper presents an efficient all-digital compensation technique for sensors measuring static or slowly-varying quantities such as pressure. The proposed solution compensates the temperature dependencies and further non-linearities affecting the accuracy and measurement range of the sensors. In addition, for the considered pressure sensors, the trimming that is usually performed in factory can be replaced by a measure of the sensor characteristics to be used for the digital sensor compensation. The whole design procedure, starting from the description of the pressure sensors down to the low-power ASIC implementation of the processor architecture is discussed in detail

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Instrumentation and Measurement Technology Conference, 1996. IMTC-96. Conference Proceedings. Quality Measurements: The Indispensable Bridge between Theory and Reality., IEEE  (Volume:2 )

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