Analog-to-digital converter, method of analog-to-digital conversion, and electronic apparatus

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United States of America Patent

PATENT NO 12040814
APP PUB NO 20230291413A1
SERIAL NO

18118918

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Abstract

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An analog-to-digital converter includes: a sample/hold circuit, which samples an analog signal, and outputs a first voltage; a digital-to-analog conversion circuit, which converts a digital signal to output a second voltage; an amplifier, which amplifies the first voltage and the second voltage; a noise shaping filter, which integrates a residual voltage corresponding to a difference between the amplified first voltage and the amplified second voltage, and generates a first integration voltage and a second integration voltage; a comparator, which compares a sum of the amplified first voltage, the first integration voltage, and the second integration voltage with the amplified second voltage; and a SAR logic, which outputs the digital signal according to a comparison result of the comparator, and controls the digital-to-analog conversion circuit.

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Patent Owner(s)

Patent OwnerAddress
SAMSUNG DISPLAY CO LTD1 SAMSUNG-RO GIHEUNG-GU YONGIN-SI GYEONGGI-DO 17113
KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYDAEJEON KOREA DAEJEON

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chung, Jae-Hyun Daejeon, KR 15 39
Jung, Keumdong Seoul, KR 28 79
Kwon, Ohjo Suwon-si, KR 12 12
Park, Kun-Woo Daejeon, KR 29 104
Park, Kyungtea Seoul, KR 14 42
Ryu, Seung-Tak Daejeon, KR 15 231

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