Sensor device and method for operating a sensor device
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United States of America Patent
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Dec 27, 2022
Grant Date -
Aug 20, 2020
app pub date -
Feb 7, 2020
filing date -
Feb 14, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A sensor device includes at least one sensor, a digital signal processor and an amplifier. The at least one sensor is configured to measure a variable physical quantity and provide a raw sensor signal at an output of the at least one sensor. The digital signal processor is configured to preprocess the raw sensor signal output by the at least one sensor into a sensor signal and to further process the sensor signal into a pulse-width-modulated output signal having a duty cycle that is dependent on the measured quantity using a plurality of device-specific correction parameters stored in a memory to convert the sensor signal into the pulse-width modulated output signal. The amplifier is configured to convert the pulse-width modulated output signal into an analog voltage or current signal.
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