Semiconductor physical quantity sensor having filter circuits for blocking electromagnetic wave noise
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United States of America Patent
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Feb 5, 2019
Grant Date -
Feb 16, 2017
app pub date -
Jun 30, 2016
filing date -
Aug 11, 2015
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Abstract
A semiconductor physical quantity sensor device having a power source terminal for receiving a power source potential, a ground terminal for receiving a ground potential, and an output terminal. The semiconductor physical quantity sensor includes a sensor configured to generate a signal, an amplifier configured to amplify the signal, and to output the amplified signal through the output terminal, a first resistor electrically connected between the power source terminal and the amplifier, a second resistor electrically connected between the output terminal and the ground terminal, and a filter electrically connected between the power source terminal and the sensor, and including a third resistor and a capacitor.
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