DE60233818D1 - Operationsverstärker mit getaktetem eingangstransistorpaar - Google Patents
Operationsverstärker mit getaktetem eingangstransistorpaarInfo
- Publication number
- DE60233818D1 DE60233818D1 DE60233818T DE60233818T DE60233818D1 DE 60233818 D1 DE60233818 D1 DE 60233818D1 DE 60233818 T DE60233818 T DE 60233818T DE 60233818 T DE60233818 T DE 60233818T DE 60233818 D1 DE60233818 D1 DE 60233818D1
- Authority
- DE
- Germany
- Prior art keywords
- operational amplifier
- amplifier stage
- transistor amplifier
- transistor
- stage
- 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
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)
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 |
---|---|
DE60233818D1 true DE60233818D1 (de) | 2009-11-05 |
Family
ID=8181138
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60233818T Expired - Lifetime DE60233818D1 (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)
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 |
JP2008512968A (ja) | 2004-09-10 | 2008-04-24 | クァンタム・アプライド・サイエンス・アンド・リサーチ・インコーポレーテッド | 電圧雑音と電流雑音を減少させる増幅器回路とその方法 |
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*** |
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)
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 |
-
2002
- 2002-10-01 AT AT02775053T patent/ATE443942T1/de not_active IP Right Cessation
- 2002-10-01 WO PCT/IB2002/004049 patent/WO2003036791A1/en active Application Filing
- 2002-10-01 JP JP2003539162A patent/JP4246064B2/ja not_active Expired - Fee Related
- 2002-10-01 EP EP02775053A patent/EP1442518B1/de not_active Expired - Lifetime
- 2002-10-01 DE DE60233818T patent/DE60233818D1/de not_active Expired - Lifetime
- 2002-10-01 KR KR10-2004-7006055A patent/KR20040048988A/ko active IP Right Grant
- 2002-10-01 CN CNA028210506A patent/CN1575542A/zh active Pending
- 2002-10-22 US US10/277,568 patent/US6707336B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1442518A1 (de) | 2004-08-04 |
WO2003036791A1 (en) | 2003-05-01 |
CN1575542A (zh) | 2005-02-02 |
US20030080810A1 (en) | 2003-05-01 |
JP2005506790A (ja) | 2005-03-03 |
US6707336B2 (en) | 2004-03-16 |
ATE443942T1 (de) | 2009-10-15 |
EP1442518B1 (de) | 2009-09-23 |
JP4246064B2 (ja) | 2009-04-02 |
KR20040048988A (ko) | 2004-06-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |