CN102647162B - 差动放大装置 - Google Patents

差动放大装置 Download PDF

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Publication number
CN102647162B
CN102647162B CN201210031294.5A CN201210031294A CN102647162B CN 102647162 B CN102647162 B CN 102647162B CN 201210031294 A CN201210031294 A CN 201210031294A CN 102647162 B CN102647162 B CN 102647162B
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CN
China
Prior art keywords
signal
terminal
input
differential amplifier
lead
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
CN201210031294.5A
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English (en)
Chinese (zh)
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CN102647162A (zh
Inventor
山崎善一
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Publication of CN102647162A publication Critical patent/CN102647162A/zh
Application granted granted Critical
Publication of CN102647162B publication Critical patent/CN102647162B/zh
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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
    • H03F3/45928—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit
    • H03F3/45932—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit by using feedback means
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/34—DC amplifiers in which all stages are DC-coupled
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45475—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using IC blocks as the active amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
    • H03F3/45928—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit
    • H03F3/45932—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit by using feedback means
    • H03F3/45937—Measuring at the loading circuit of the differential amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses
    • H03K5/08—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/331—Sigma delta modulation being used in an amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45424—Indexing scheme relating to differential amplifiers the CMCL comprising a comparator circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45438—Indexing scheme relating to differential amplifiers the CMCL uses digital signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45544—Indexing scheme relating to differential amplifiers the IC comprising one or more capacitors, e.g. coupling capacitors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45594—Indexing scheme relating to differential amplifiers the IC comprising one or more resistors, which are not biasing resistor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45604—Indexing scheme relating to differential amplifiers the IC comprising a input shunting resistor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45618—Indexing scheme relating to differential amplifiers the IC comprising only one switch

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Analogue/Digital Conversion (AREA)
CN201210031294.5A 2011-02-16 2012-02-13 差动放大装置 Active CN102647162B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011031265A JP5624493B2 (ja) 2011-02-16 2011-02-16 差動増幅装置
JP2011-031265 2011-02-16

Publications (2)

Publication Number Publication Date
CN102647162A CN102647162A (zh) 2012-08-22
CN102647162B true CN102647162B (zh) 2015-01-28

Family

ID=45655244

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210031294.5A Active CN102647162B (zh) 2011-02-16 2012-02-13 差动放大装置

Country Status (7)

Country Link
US (1) US8531239B2 (enExample)
EP (1) EP2490331A1 (enExample)
JP (1) JP5624493B2 (enExample)
KR (1) KR101477853B1 (enExample)
CN (1) CN102647162B (enExample)
BR (1) BR102012003141A2 (enExample)
RU (1) RU2487468C1 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8922274B2 (en) * 2008-10-20 2014-12-30 The Regents Of The University Of Michigan Bioamplifier for neural interfaces
JP5941268B2 (ja) 2011-11-10 2016-06-29 キヤノン株式会社 発光素子駆動回路、光学式エンコーダ、カメラ及び発光素子駆動回路の制御方法
JP6061604B2 (ja) 2012-10-11 2017-01-18 キヤノン株式会社 増幅回路
JP2014173842A (ja) 2013-03-05 2014-09-22 Canon Inc 発光素子駆動装置、その制御方法、光学式エンコーダ、およびカメラ
JP6222980B2 (ja) 2013-05-09 2017-11-01 キヤノン株式会社 音響装置及び電子機器
CN105518992B (zh) * 2013-09-06 2018-11-30 三菱电机株式会社 半导体装置
KR20150069936A (ko) * 2013-12-16 2015-06-24 현대자동차주식회사 차동 증폭기의 오프셋 보정장치 및 방법
JP6488674B2 (ja) * 2013-12-25 2019-03-27 パナソニック株式会社 Ｄｃオフセットキャンセル回路
JP6466678B2 (ja) * 2014-10-01 2019-02-06 ルネサスエレクトロニクス株式会社 半導体集積回路、可変利得増幅器、及び、センサシステム
WO2017007869A1 (en) * 2015-07-07 2017-01-12 Marvell World Trade Ltd Amplification circuit and method of compensating for voltage offset of inputs
JP6445954B2 (ja) * 2015-11-06 2018-12-26 株式会社豊田中央研究所 コンパレータ
JP2017123534A (ja) * 2016-01-06 2017-07-13 ルネサスエレクトロニクス株式会社 半導体装置
JP6899686B2 (ja) * 2017-03-31 2021-07-07 エイブリック株式会社 差動増幅装置
KR102570609B1 (ko) * 2020-09-08 2023-08-25 성균관대학교산학협력단 오프셋 전압이 자동 조절되는 전류센서 및 이의 오프셋 자동 조절 방법

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4292595A (en) * 1979-11-13 1981-09-29 Burr-Brown Research Corporation Capacitance coupled isolation amplifier and method
CN1079345A (zh) * 1992-05-16 1993-12-08 丘雪明 电容耦合的隔离式放大器
IL99945A (en) * 1991-11-01 1996-08-04 Chemtronics Ltd High input impedance operational amplifier circuit
CN1578122A (zh) * 2003-07-14 2005-02-09 雅马哈株式会社 偏移校正方法、偏移校正电路及电子音量装置
CN101119103A (zh) * 2006-08-02 2008-02-06 盛群半导体股份有限公司 输入偏移电压校正装置

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US5061900A (en) * 1989-06-19 1991-10-29 Raytheon Company Self-zeroing amplifier
JP4547084B2 (ja) * 1999-11-15 2010-09-22 ルネサスエレクトロニクス株式会社 移動体通信機および送受信機
WO2002087073A2 (en) * 2001-04-24 2002-10-31 Tripath Technology Inc. An improved dc offset self-calibration system for a digital switching amplifier
US6831513B2 (en) * 2002-01-16 2004-12-14 Oki Electric Industry Co., Ltd. Differential amplifier
RU2222828C1 (ru) * 2002-07-22 2004-01-27 Федеральное государственное образовательное учреждение высшего профессионального образования Чувашский государственный университет им. И.Н. Ульянова Дифференцирующее устройство
JP4290466B2 (ja) 2003-04-24 2009-07-08 パナソニック株式会社 オフセット補償装置
EP1515432A1 (en) * 2003-09-09 2005-03-16 Dialog Semiconductor GmbH Translinear amplifier
JP2005136513A (ja) * 2003-10-28 2005-05-26 Matsushita Electric Ind Co Ltd 無線通信受信回路
US7154335B2 (en) * 2004-09-29 2006-12-26 Intel Corporation Variable gain amplifier with direct current offset correction
JP4246177B2 (ja) 2005-04-28 2009-04-02 シャープ株式会社 オフセット補正回路およびオペアンプ回路
US7532065B2 (en) * 2005-07-12 2009-05-12 Agere Systems Inc. Analog amplifier having DC offset cancellation circuit and method of offset cancellation for analog amplifiers
FR2895599B1 (fr) 2005-12-27 2008-06-06 Univ Joseph Fourier Grenoble I Procede et dispositif de reglage ou de calage d'un dispositif electronique
JP4234159B2 (ja) 2006-08-04 2009-03-04 シャープ株式会社 オフセット補正装置、半導体装置および表示装置ならびにオフセット補正方法
JP4921106B2 (ja) 2006-10-20 2012-04-25 キヤノン株式会社 バッファ回路
JP2009081749A (ja) * 2007-09-27 2009-04-16 Hitachi Ltd 低オフセット入力回路
JP4977102B2 (ja) * 2008-09-02 2012-07-18 株式会社東芝 差動増幅器
US8085098B2 (en) 2008-10-10 2011-12-27 Canon Kabushiki Kaisha PLL circuit
JP2010103707A (ja) 2008-10-22 2010-05-06 Canon Inc チャージポンプ回路、及びクロック生成器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4292595A (en) * 1979-11-13 1981-09-29 Burr-Brown Research Corporation Capacitance coupled isolation amplifier and method
IL99945A (en) * 1991-11-01 1996-08-04 Chemtronics Ltd High input impedance operational amplifier circuit
CN1079345A (zh) * 1992-05-16 1993-12-08 丘雪明 电容耦合的隔离式放大器
CN1578122A (zh) * 2003-07-14 2005-02-09 雅马哈株式会社 偏移校正方法、偏移校正电路及电子音量装置
CN101119103A (zh) * 2006-08-02 2008-02-06 盛群半导体股份有限公司 输入偏移电压校正装置

Also Published As

Publication number Publication date
RU2487468C1 (ru) 2013-07-10
US20120206197A1 (en) 2012-08-16
KR101477853B1 (ko) 2014-12-30
BR102012003141A2 (pt) 2013-07-23
KR20120094423A (ko) 2012-08-24
EP2490331A1 (en) 2012-08-22
CN102647162A (zh) 2012-08-22
JP2012170019A (ja) 2012-09-06
US8531239B2 (en) 2013-09-10
JP5624493B2 (ja) 2014-11-12

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