Single-ended to differential-ended converter circuit, successive-approximation register analog-to-digital converter utilizing same, and method of converting single-ended signal to differential-ended signal

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United States of America Patent

PATENT NO 12113544
APP PUB NO 20230134950A1
SERIAL NO

17864464

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Abstract

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A method of converting a single-ended signal to a differential-ended signal includes the following steps: providing a first sampling capacitor having a first end and a second end; providing a second sampling capacitor having a third end and a fourth end; at a first time point, controlling the first end to receive a single-ended signal, controlling the second end to receive a reference voltage, controlling the third end to receive the reference voltage or a middle voltage value of the swing of the single-ended signal, and controlling the fourth end to receive the single-ended signal; and at a second time point, controlling the second end and the fourth end to receive the reference voltage. The first end and the third end output a differential signal after the second time point which is later than the first time point.

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Patent Owner(s)

Patent OwnerAddress
REALTEK SEMICONDUCTOR CORPORATIONNO 2 INNOVATION ROAD II HSINCHU SCIENCE PARK HSINCHU 300

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hong, Wei-Cian Hsinchu, TW 13 2
Huang, Shih-Hsiung Hsinchu, TW 139 320
Shih, Sheng-Yen Hsinchu, TW 6 0

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