DE602004028832D1 - Operationsverstärker mit konstantem offset und gerät welches diesen verwendet - Google Patents

Operationsverstärker mit konstantem offset und gerät welches diesen verwendet

Info

Publication number
DE602004028832D1
DE602004028832D1 DE602004028832T DE602004028832T DE602004028832D1 DE 602004028832 D1 DE602004028832 D1 DE 602004028832D1 DE 602004028832 T DE602004028832 T DE 602004028832T DE 602004028832 T DE602004028832 T DE 602004028832T DE 602004028832 D1 DE602004028832 D1 DE 602004028832D1
Authority
DE
Germany
Prior art keywords
input
operational amplifier
differential input
constant offset
receiving
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.)
Expired - Lifetime
Application number
DE602004028832T
Other languages
English (en)
Inventor
Andrea Milanesi
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.)
NXP BV
Original Assignee
NXP BV
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 NXP BV filed Critical NXP BV
Publication of DE602004028832D1 publication Critical patent/DE602004028832D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H03F3/45632—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit
    • H03F3/45744—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit by offset reduction
    • 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
    • H03F3/45179—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
    • H03F3/4521—Complementary long tailed pairs having parallel inputs and being supplied in parallel
    • 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
    • H03F3/45179—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
    • H03F3/4521—Complementary long tailed pairs having parallel inputs and being supplied in parallel
    • H03F3/45219—Folded cascode stages
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/375—Circuitry to compensate the offset being present in an amplifier
    • 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
    • H03F2203/45616—Indexing scheme relating to differential amplifiers the IC comprising more than one switch, which are not cross coupled

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
DE602004028832T 2003-07-10 2004-06-30 Operationsverstärker mit konstantem offset und gerät welches diesen verwendet Expired - Lifetime DE602004028832D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03102073 2003-07-10
PCT/IB2004/051064 WO2005006544A1 (en) 2003-07-10 2004-06-30 Operational amplifier with constant offset and apparatus comprising such an operational amplifier

Publications (1)

Publication Number Publication Date
DE602004028832D1 true DE602004028832D1 (de) 2010-10-07

Family

ID=34042924

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004028832T Expired - Lifetime DE602004028832D1 (de) 2003-07-10 2004-06-30 Operationsverstärker mit konstantem offset und gerät welches diesen verwendet

Country Status (7)

Country Link
US (1) US8022945B2 (de)
EP (1) EP1647092B1 (de)
JP (1) JP4672655B2 (de)
CN (1) CN100542018C (de)
AT (1) ATE479229T1 (de)
DE (1) DE602004028832D1 (de)
WO (1) WO2005006544A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2471051C (en) * 2003-06-16 2007-11-06 Weatherford/Lamb, Inc. Borehole tubing expansion
JP4605601B2 (ja) * 2005-05-16 2011-01-05 ルネサスエレクトロニクス株式会社 演算増幅器
TWI316218B (en) * 2005-12-23 2009-10-21 Innolux Display Corp A liquid crystal display device and a method for driving the same
JP4996185B2 (ja) * 2006-09-21 2012-08-08 ルネサスエレクトロニクス株式会社 演算増幅器及び液晶表示装置の駆動方法
US8164278B2 (en) * 2009-01-15 2012-04-24 Himax Technologies Limited Output buffer and source driver using the same
US7808320B1 (en) * 2009-07-09 2010-10-05 Himax Technologies Limited Buffer amplifier
US10205445B1 (en) * 2017-09-25 2019-02-12 Synopsys, Inc. Clock duty cycle correction circuit
CN108566170A (zh) * 2018-04-14 2018-09-21 芜湖拓达电子科技有限公司 一种运算放大器电路
JP7187904B2 (ja) * 2018-09-06 2022-12-13 株式会社デンソー 増幅器
CN109358690B (zh) * 2018-10-09 2021-03-12 湖南国科微电子股份有限公司 跨导恒定控制电路及轨对轨运算放大器

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4392112A (en) * 1981-09-08 1983-07-05 Rca Corporation Low drift amplifier
US4555673A (en) * 1984-04-19 1985-11-26 Signetics Corporation Differential amplifier with rail-to-rail input capability and controlled transconductance
FR2672749B1 (fr) * 1991-02-12 1996-11-08 Sgs Thomson Microelectronics Amplificateur operationnel a transconductance a grande excursion de mode commun.
US5384548A (en) * 1993-08-25 1995-01-24 The Ohio State University Constant transconductance bias circuit and method
KR0145615B1 (ko) 1995-03-13 1998-12-01 김광호 박막 트랜지스터 액정 표시장치의 구동장치
US5734297A (en) 1996-03-29 1998-03-31 Philips Electronics North America Corporation Rail-to-rail input stages with constant gm and constant common-mode output currents
US5880638A (en) * 1997-03-20 1999-03-09 Maxim Integrated Products Rail-to-rail operational amplifier and method for making same
US6040732A (en) * 1997-04-09 2000-03-21 Analog Devices, Inc. Switched-transconductance circuit within integrated T-switches
JP3128759B2 (ja) * 1997-07-14 2001-01-29 みよ子 粂原 バ−コ−ド読み取り器
JP3595153B2 (ja) * 1998-03-03 2004-12-02 株式会社 日立ディスプレイズ 液晶表示装置および映像信号線駆動手段
JP2000347159A (ja) * 1999-06-09 2000-12-15 Hitachi Ltd 液晶表示装置
JP2001144558A (ja) 1999-11-15 2001-05-25 Matsushita Electric Ind Co Ltd 差動増幅器
JP2001175227A (ja) * 1999-12-17 2001-06-29 Nec Corp 液晶駆動回路
JP4615100B2 (ja) * 2000-07-18 2011-01-19 富士通セミコンダクター株式会社 データドライバ及びそれを用いた表示装置
KR100350651B1 (ko) * 2000-11-22 2002-08-29 삼성전자 주식회사 멀티 프레임 반전 기능을 갖는 액정 표시 장치와 이의구동 장치 및 방법
CN1187892C (zh) 2001-04-25 2005-02-02 凌阳科技股份有限公司 互补式金属氧化物半导体ab类放大器
JP4040266B2 (ja) 2001-05-21 2008-01-30 凌陽科技股▲ふん▼有限公司 液晶ディスプレイのソース駆動増幅器
DE60327120D1 (de) * 2002-02-25 2009-05-20 Nec Corp Differentialschaltung, Verstärkerschaltung, Treiberschaltung und Anzeigevorrichtung mit diesen Schaltungen
JP3606264B2 (ja) 2002-02-25 2005-01-05 日本電気株式会社 差動回路及び増幅回路及びそれを用いた表示装置
US7777568B2 (en) * 2004-12-02 2010-08-17 Mandate Chips and Circuits Pvt. Ltd. High frequency receiver preamplifier with CMOS rail-to-rail capability

Also Published As

Publication number Publication date
JP4672655B2 (ja) 2011-04-20
US8022945B2 (en) 2011-09-20
WO2005006544A1 (en) 2005-01-20
EP1647092A1 (de) 2006-04-19
CN100542018C (zh) 2009-09-16
US20060279509A1 (en) 2006-12-14
JP2007527138A (ja) 2007-09-20
CN1820411A (zh) 2006-08-16
EP1647092B1 (de) 2010-08-25
ATE479229T1 (de) 2010-09-15

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