CN114766080B - 模拟/数字转换电路 - Google Patents

模拟/数字转换电路

Info

Publication number
CN114766080B
CN114766080B CN202080025706.7A CN202080025706A CN114766080B CN 114766080 B CN114766080 B CN 114766080B CN 202080025706 A CN202080025706 A CN 202080025706A CN 114766080 B CN114766080 B CN 114766080B
Authority
CN
China
Prior art keywords
potential
switch
capacitor
comparator
charge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202080025706.7A
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English (en)
Chinese (zh)
Other versions
CN114766080A (zh
Inventor
林秀树
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanken Electric Co Ltd
Original Assignee
Sanken Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sanken Electric Co Ltd filed Critical Sanken Electric Co Ltd
Publication of CN114766080A publication Critical patent/CN114766080A/zh
Application granted granted Critical
Publication of CN114766080B publication Critical patent/CN114766080B/zh
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Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/34—Analogue value compared with reference values
    • H03M1/38—Analogue value compared with reference values sequentially only, e.g. successive approximation type
    • H03M1/46—Analogue value compared with reference values sequentially only, e.g. successive approximation type with digital/analogue converter for supplying reference values to converter
    • H03M1/466—Analogue value compared with reference values sequentially only, e.g. successive approximation type with digital/analogue converter for supplying reference values to converter using switched capacitors
    • H03M1/468—Analogue value compared with reference values sequentially only, e.g. successive approximation type with digital/analogue converter for supplying reference values to converter using switched capacitors in which the input S/H circuit is merged with the feedback DAC array
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/0602—Continuously compensating for, or preventing, undesired influence of physical parameters of deviations from the desired transfer characteristic
    • H03M1/0604—Continuously compensating for, or preventing, undesired influence of physical parameters of deviations from the desired transfer characteristic at one point, i.e. by adjusting a single reference value, e.g. bias or gain error
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/124—Sampling or signal conditioning arrangements specially adapted for A/D converters
    • H03M1/1245—Details of sampling arrangements or methods
    • H03M1/125—Asynchronous, i.e. free-running operation within each conversion cycle
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/34—Analogue value compared with reference values
    • H03M1/38—Analogue value compared with reference values sequentially only, e.g. successive approximation type
    • H03M1/46—Analogue value compared with reference values sequentially only, e.g. successive approximation type with digital/analogue converter for supplying reference values to converter
    • H03M1/462—Details of the control circuitry, e.g. of the successive approximation register

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Analogue/Digital Conversion (AREA)
CN202080025706.7A 2020-11-12 2020-11-12 模拟/数字转换电路 Active CN114766080B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/042169 WO2022102035A1 (ja) 2020-11-12 2020-11-12 アナログデジタル変換回路

Publications (2)

Publication Number Publication Date
CN114766080A CN114766080A (zh) 2022-07-19
CN114766080B true CN114766080B (zh) 2025-10-28

Family

ID=81453682

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080025706.7A Active CN114766080B (zh) 2020-11-12 2020-11-12 模拟/数字转换电路

Country Status (4)

Country Link
US (1) US11757460B2 (https=)
JP (1) JP7551061B2 (https=)
CN (1) CN114766080B (https=)
WO (1) WO2022102035A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240348260A1 (en) * 2023-04-14 2024-10-17 Skyworks Solutions, Inc. Capacitive digital-to-analog converters with shaped output current
CN120357902B (zh) * 2025-06-23 2025-09-02 灿芯半导体(苏州)有限公司 一种pvt稳定的逐次逼近型模数转换器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101674086A (zh) * 2008-09-08 2010-03-17 索尼株式会社 逐次逼近型a/d转换器及其控制方法、固体摄像器件和摄像装置
CN207518571U (zh) * 2017-01-13 2018-06-19 半导体元件工业有限责任公司 模数转换器

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5115363A (ja) 1974-07-29 1976-02-06 Hitachi Ltd Anaroguudejitaruhenkanki
JPS6198022A (ja) * 1984-10-19 1986-05-16 Matsushita Electric Ind Co Ltd 遂次比較方式アナログデイジタル変換装置
JPS62133821A (ja) 1985-12-05 1987-06-17 Matsushita Electric Ind Co Ltd アナログ・デジタル変換器
JPH05122076A (ja) * 1991-10-25 1993-05-18 Nec Corp アナログデイジタル変換器
JPH08116258A (ja) * 1994-10-18 1996-05-07 Toshiba Corp アナログデジタル変換回路
JP2001267925A (ja) 2000-03-17 2001-09-28 Matsushita Electric Ind Co Ltd 逐次比較型ａｄ変換器
JP2006173807A (ja) * 2004-12-13 2006-06-29 Sanyo Electric Co Ltd アナログデジタル変換器
US7705763B2 (en) 2008-07-21 2010-04-27 Tokyo Institute Of Technology A-D convert apparatus
JP5062213B2 (ja) 2009-04-08 2012-10-31 ミツミ電機株式会社 逐次比較型ａｄ変換回路
JP5482158B2 (ja) * 2009-12-04 2014-04-23 ヤマハ株式会社 逐次比較ａ／ｄ変換器
JP2011199443A (ja) 2010-03-18 2011-10-06 Fujitsu Semiconductor Ltd 逐次比較型ａ／ｄコンバータ、および逐次比較型ａ／ｄコンバータの比較時間検出方法
US8786483B1 (en) * 2013-03-14 2014-07-22 Analog Devices Technology Use of a DLL to optimize an ADC performance
US9041584B2 (en) * 2013-09-03 2015-05-26 Silicon Laboratories Inc. Dual-path comparator and method
US8957802B1 (en) * 2013-09-13 2015-02-17 Cadence Design Systems, Inc. Metastability error detection and correction system and method for successive approximation analog-to-digital converters
KR101524982B1 (ko) * 2014-07-31 2015-06-03 중앙대학교 산학협력단 비동기식 연속 근사 레지스터 아날로그 디지털 변환기 및 그에 포함되는 내부 클럭 발생기
KR102276893B1 (ko) * 2015-09-24 2021-07-12 삼성전자주식회사 축차 근사 레지스터 아날로그 디지털 변환기와 이를 포함하는 반도체 장치
US9614540B1 (en) * 2015-11-06 2017-04-04 International Business Machines Corporation Asynchronously clocked successive approximation register analog-to-digital converter
US9621179B1 (en) * 2016-03-11 2017-04-11 Applied Micro Circuits Corporation Metastability error reduction in asynchronous successive approximation analog to digital converter
RU2695493C2 (ru) * 2016-05-31 2019-07-23 Общество с ограниченной ответственностью "Научно-производственное предприятие Тачскрин технологии" Проекционно-ёмкостная сенсорная панель и способ её изготовления
JP6899287B2 (ja) * 2017-09-01 2021-07-07 株式会社日立製作所 逐次比較型アナログデジタル変換器
CN207427126U (zh) * 2017-09-28 2018-05-29 成都启英泰伦科技有限公司 一种提高模数转换器转换速度的电路
US10454492B1 (en) * 2018-06-19 2019-10-22 Analog Devices, Inc. Analog-to-digital converter speed calibration techniques
US10291251B1 (en) * 2018-09-21 2019-05-14 Semiconductor Components Industries, Llc Imaging systems with sub-radix-2 charge sharing successive approximation register (SAR) analog-to-digital converters
CN114759926A (zh) * 2021-01-08 2022-07-15 博通集成电路（上海）股份有限公司 逐次逼近寄存器模数转换器电路
US11387838B1 (en) * 2021-03-19 2022-07-12 Microsoft Technology Licensing, Llc SAR analog-to-digital converter calibration

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101674086A (zh) * 2008-09-08 2010-03-17 索尼株式会社 逐次逼近型a/d转换器及其控制方法、固体摄像器件和摄像装置
CN207518571U (zh) * 2017-01-13 2018-06-19 半导体元件工业有限责任公司 模数转换器

Also Published As

Publication number Publication date
JP7551061B2 (ja) 2024-09-17
WO2022102035A1 (ja) 2022-05-19
CN114766080A (zh) 2022-07-19
US20220149852A1 (en) 2022-05-12
US11757460B2 (en) 2023-09-12
JPWO2022102035A1 (https=) 2022-05-19

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