A/D CONVERTER AND SENSOR APPARATUS
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United States of America Patent
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Issued Date -
Jun 20, 2024
app pub date -
Dec 14, 2023
filing date -
Dec 14, 2023
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Abstract
An A/D converter includes: an integrating circuit including: an amplifier including a first input end and a second input end connected to an application end of first reference voltage, a capacitor connecting the first input end and an output end of the amplifier, a first resistor connected between an application end of input voltage and the first input end, a first switch connected between the application end of the input voltage and the first input end, a second resistor connected between an application end of second reference voltage and the first input end, and a second switch connected between the application end of the second reference voltage and the first input end; a first comparator including a first input end connected to the output end and a second input end connected to the application end of the first reference voltage; and a switch controller controlling the first and second switches.
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