ATE443942T1 - Operationsverstärker mit getaktetem eingangstransistorpaar - Google Patents

Operationsverstärker mit getaktetem eingangstransistorpaar

Info

Publication number
ATE443942T1
ATE443942T1 AT02775053T AT02775053T ATE443942T1 AT E443942 T1 ATE443942 T1 AT E443942T1 AT 02775053 T AT02775053 T AT 02775053T AT 02775053 T AT02775053 T AT 02775053T AT E443942 T1 ATE443942 T1 AT E443942T1
Authority
AT
Austria
Prior art keywords
operational amplifier
amplifier stage
transistor amplifier
transistor
stage
Prior art date
Application number
AT02775053T
Other languages
English (en)
Inventor
Martin Reber
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
Application granted granted Critical
Publication of ATE443942T1 publication Critical patent/ATE443942T1/de

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
    • 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
    • H03F3/45775—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 by using cross switches
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
AT02775053T 2001-10-25 2002-10-01 Operationsverstärker mit getaktetem eingangstransistorpaar ATE443942T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP01204076 2001-10-25
PCT/IB2002/004049 WO2003036791A1 (en) 2001-10-25 2002-10-01 Operational amplifier with chopped input transistor pair

Publications (1)

Publication Number Publication Date
ATE443942T1 true ATE443942T1 (de) 2009-10-15

Family

ID=8181138

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02775053T ATE443942T1 (de) 2001-10-25 2002-10-01 Operationsverstärker mit getaktetem eingangstransistorpaar

Country Status (8)

Country Link
US (1) US6707336B2 (de)
EP (1) EP1442518B1 (de)
JP (1) JP4246064B2 (de)
KR (1) KR20040048988A (de)
CN (1) CN1575542A (de)
AT (1) ATE443942T1 (de)
DE (1) DE60233818D1 (de)
WO (1) WO2003036791A1 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003283271A (ja) 2002-01-17 2003-10-03 Semiconductor Energy Lab Co Ltd 電気回路
US6958651B2 (en) * 2002-12-03 2005-10-25 Semiconductor Energy Laboratory Co., Ltd. Analog circuit and display device using the same
DE10340846A1 (de) * 2003-09-04 2005-05-04 Infineon Technologies Ag Transistor-Anordnung zum Verringern von Rauschen, integrierter Schaltkreis und Verfahren zum Verringern des Rauschens von Feldeffekttransistoren
US7197292B1 (en) 2004-09-01 2007-03-27 National Semiconductor Corporation Chopper stabilized analog multiplier
US7697909B2 (en) * 2004-09-01 2010-04-13 National Semiconductor Corporation Extended range RMS-DC converter
US7518443B2 (en) 2004-09-10 2009-04-14 Quantum Applied Science & Research, Inc. Amplifier circuit and method for reducing voltage and current noise
DE602004018919D1 (de) * 2004-09-14 2009-02-26 Dialog Semiconductor Gmbh Abschaltvorrichtung für Ladungspumpeschaltung
US7170338B1 (en) * 2005-03-24 2007-01-30 Cirrus Logic, Inc. Chopper stabilization circuits and methods
US7292095B2 (en) * 2006-01-26 2007-11-06 Texas Instruments Incorporated Notch filter for ripple reduction in chopper stabilized amplifiers
US7385443B1 (en) * 2007-01-31 2008-06-10 Medtronic, Inc. Chopper-stabilized instrumentation amplifier
KR101438829B1 (ko) * 2008-07-25 2014-09-05 엘지이노텍 주식회사 액츄에이터 드라이버
US8422970B1 (en) 2008-08-28 2013-04-16 National Semiconductor Corporation RMS power detection with signal-independent dynamics and related apparatus, system, and method
CN101414807B (zh) * 2008-11-24 2011-02-09 薛文伟 信号放大电路
CN102347738B (zh) * 2010-08-04 2014-04-02 中国科学院微电子研究所 一种两级全差分低噪声低失调斩波运算放大器
CN102468804A (zh) * 2010-11-19 2012-05-23 上海华虹Nec电子有限公司 电流控制型振荡器
CN102570989B (zh) * 2010-12-27 2016-08-10 无锡华润上华半导体有限公司 运算放大电路
US10720919B2 (en) 2011-11-16 2020-07-21 Analog Devices, Inc. Apparatus and methods for reducing charge injection mismatch in electronic circuits
JP5799786B2 (ja) * 2011-12-09 2015-10-28 富士電機株式会社 オートゼロアンプ及び該アンプを使用した帰還増幅回路
CN103248393B (zh) * 2012-02-14 2015-06-17 英特尔移动通信有限责任公司 Rf二阶互调失真的消除
CN104426493B (zh) * 2013-08-23 2018-04-27 美国亚德诺半导体公司 斩波放大器的装置和方法
CN104079227B (zh) * 2014-07-16 2016-09-07 浙江大学 一种具有减少共模干扰能力的电机系统
CN109274371B (zh) * 2018-08-27 2019-07-30 上海奥令科电子科技有限公司 一种高速高线性度驱动/缓冲电路
US11936352B2 (en) * 2020-03-30 2024-03-19 Apple Inc. Amplifier circuit with distributed dynamic chopping
CN111431532B (zh) * 2020-04-22 2023-11-07 上海微阱电子科技有限公司 一种宽输出范围高精度的积分器
TWI778815B (zh) * 2021-09-27 2022-09-21 大陸商常州欣盛半導體技術股份有限公司 動態調整偏壓電流之通道運算放大器電路
CN117254816B (zh) * 2023-11-17 2024-01-26 杭州万高科技股份有限公司 一种低噪声模数转换接口电路

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4138649A (en) * 1977-03-25 1979-02-06 Emerson Electric Co. Amplifier system
FR2577082A1 (fr) * 1985-02-05 1986-08-08 Thomson Csf Amplificateur differentiel de courant
US4947135A (en) * 1989-07-28 1990-08-07 Motorola, Inc. Single-ended chopper stabilized operational amplifier
US6529070B1 (en) * 1999-10-25 2003-03-04 Texas Instruments Incorporated Low-voltage, broadband operational amplifier
US6140872A (en) * 1999-10-28 2000-10-31 Burr-Brown Corporation Offset-compensated amplifier input stage and method
US6307430B1 (en) * 2000-10-02 2001-10-23 Cirrus Logic, Inc. Noise reduction technique in chopper stabilized amplifier
US6538502B2 (en) * 2000-12-27 2003-03-25 Intel Corporation High bandwidth switched capacitor input receiver

Also Published As

Publication number Publication date
EP1442518A1 (de) 2004-08-04
EP1442518B1 (de) 2009-09-23
WO2003036791A1 (en) 2003-05-01
US6707336B2 (en) 2004-03-16
US20030080810A1 (en) 2003-05-01
JP2005506790A (ja) 2005-03-03
CN1575542A (zh) 2005-02-02
JP4246064B2 (ja) 2009-04-02
KR20040048988A (ko) 2004-06-10
DE60233818D1 (de) 2009-11-05

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