CN100553124C - 运算放大器 - Google Patents
运算放大器 Download PDFInfo
- Publication number
- CN100553124C CN100553124C CNB2007100914366A CN200710091436A CN100553124C CN 100553124 C CN100553124 C CN 100553124C CN B2007100914366 A CNB2007100914366 A CN B2007100914366A CN 200710091436 A CN200710091436 A CN 200710091436A CN 100553124 C CN100553124 C CN 100553124C
- Authority
- CN
- China
- Prior art keywords
- transistor
- operational amplifier
- output
- inverting input
- cascade
- 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 - Fee Related
Links
Images
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
- H03F3/45076—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
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
- H03F3/3001—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor with field-effect transistors
- H03F3/3022—CMOS common source output SEPP amplifiers
-
- 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
- H03F2203/45028—Indexing scheme relating to differential amplifiers the differential amplifier amplifying transistors are folded cascode coupled transistors
-
- 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
- H03F2203/45236—Two dif amps realised in MOS or JFET technology, one of them being of the p-channel type and the other one of the n-channel type, are coupled in parallel with their gates
-
- 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
- H03F2203/45292—Indexing scheme relating to differential amplifiers the AAC comprising biasing means controlled by the signal
-
- 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
- H03F2203/45366—Indexing scheme relating to differential amplifiers the AAC comprising multiple transistors parallel coupled at their gates only, e.g. in a cascode dif amp, only those forming the composite common source transistor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (18)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006089414A JP2007267016A (ja) | 2006-03-28 | 2006-03-28 | 演算増幅器 |
JP089414/06 | 2006-03-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101047362A CN101047362A (zh) | 2007-10-03 |
CN100553124C true CN100553124C (zh) | 2009-10-21 |
Family
ID=38639559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2007100914366A Expired - Fee Related CN100553124C (zh) | 2006-03-28 | 2007-03-28 | 运算放大器 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7489193B2 (zh) |
JP (1) | JP2007267016A (zh) |
CN (1) | CN100553124C (zh) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7551030B2 (en) * | 2007-02-08 | 2009-06-23 | Samsung Electronics Co., Ltd. | Two-stage operational amplifier with class AB output stage |
US7872530B2 (en) * | 2007-03-13 | 2011-01-18 | Telefonaktiebolaget Lm Ericsson (Publ) | Flexible dynamic range amplifier |
JP2009105635A (ja) | 2007-10-23 | 2009-05-14 | Ricoh Co Ltd | 演算増幅器 |
US8149047B2 (en) | 2008-03-20 | 2012-04-03 | Mediatek Inc. | Bandgap reference circuit with low operating voltage |
JP2011050040A (ja) * | 2009-07-31 | 2011-03-10 | Renesas Electronics Corp | 演算増幅器及びそれを用いた半導体装置 |
JP2011041172A (ja) | 2009-08-18 | 2011-02-24 | Ricoh Co Ltd | 電子ボリューム回路 |
JP2011061611A (ja) | 2009-09-11 | 2011-03-24 | Ricoh Co Ltd | 演算増幅器 |
JP5486259B2 (ja) | 2009-09-29 | 2014-05-07 | セイコーインスツル株式会社 | 差動増幅器 |
JP5406113B2 (ja) * | 2010-05-07 | 2014-02-05 | セイコーインスツル株式会社 | 差動増幅回路 |
JP6582594B2 (ja) * | 2015-06-18 | 2019-10-02 | 富士電機株式会社 | 演算増幅回路 |
CN108155881B (zh) * | 2016-12-05 | 2021-10-29 | 华大半导体有限公司 | 轨到轨输入运放器 |
US10355656B2 (en) * | 2017-06-29 | 2019-07-16 | SK Hynix Inc. | Amplification circuit with split-length compensation scheme |
JP2019096970A (ja) * | 2017-11-20 | 2019-06-20 | ローム株式会社 | オペアンプ、半導体装置 |
CN108494377B (zh) * | 2018-04-11 | 2022-02-01 | 锐芯微电子股份有限公司 | 运算放大器电路 |
CN108683167B (zh) * | 2018-07-03 | 2024-04-09 | 苏州锴威特半导体股份有限公司 | 一种pd设备的防浪涌电路 |
JP7300824B2 (ja) * | 2018-12-03 | 2023-06-30 | 三菱電機株式会社 | Ab級アンプ |
CN110176911A (zh) * | 2019-05-29 | 2019-08-27 | 宁波市芯能微电子科技有限公司 | Bms用的高低压差分放大电路 |
CN111697935B (zh) * | 2020-06-30 | 2021-06-25 | 湘潭大学 | 一种低压轨到轨输入输出运算放大器 |
TWI773474B (zh) * | 2021-08-03 | 2022-08-01 | 新唐科技股份有限公司 | 放大器電路 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2588164B2 (ja) * | 1985-09-30 | 1997-03-05 | 株式会社東芝 | 反転増幅器 |
JPH07142940A (ja) * | 1993-11-17 | 1995-06-02 | New Japan Radio Co Ltd | Mosfet電力増幅器 |
JP2001016052A (ja) * | 1999-06-30 | 2001-01-19 | Mitsubishi Electric Corp | 磁気抵抗素子の信号増幅回路 |
US6366167B1 (en) | 2000-02-29 | 2002-04-02 | Gain Technology Corporation | Low voltage rail-to-rail CMOS input stage |
JP2001339257A (ja) | 2000-05-25 | 2001-12-07 | Ricoh Co Ltd | 演算増幅器 |
JP3666377B2 (ja) * | 2000-09-27 | 2005-06-29 | 株式会社デンソー | 演算増幅器 |
US6714076B1 (en) * | 2001-10-16 | 2004-03-30 | Analog Devices, Inc. | Buffer circuit for op amp output stage |
US6657495B2 (en) * | 2002-04-01 | 2003-12-02 | Texas Instruments Incorporated | Operational amplifier output stage and method |
KR100560413B1 (ko) * | 2003-10-13 | 2006-03-14 | 삼성전자주식회사 | 에이비급 레일-투-레일 연산 증폭기 |
JP4443889B2 (ja) * | 2003-10-14 | 2010-03-31 | 旭化成エレクトロニクス株式会社 | 差動増幅器 |
JP2005223627A (ja) * | 2004-02-05 | 2005-08-18 | Asahi Kasei Microsystems Kk | 演算増幅回路 |
US7262662B2 (en) * | 2004-04-19 | 2007-08-28 | Asahi Kasei Microsystems Co., Ltd. | Operational amplifier |
US7202738B1 (en) * | 2005-02-08 | 2007-04-10 | Maxim Integrated Products, Inc. | Accurate voltage to current converters for rail-sensing current-feedback instrumentation amplifiers |
-
2006
- 2006-03-28 JP JP2006089414A patent/JP2007267016A/ja active Pending
-
2007
- 2007-03-20 US US11/723,516 patent/US7489193B2/en not_active Expired - Fee Related
- 2007-03-28 CN CNB2007100914366A patent/CN100553124C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7489193B2 (en) | 2009-02-10 |
CN101047362A (zh) | 2007-10-03 |
JP2007267016A (ja) | 2007-10-11 |
US20070285164A1 (en) | 2007-12-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: RICOH MICROELECTRONICS CO., LTD. Free format text: FORMER OWNER: RICOH CO. LTD. Effective date: 20150402 |
|
TR01 | Transfer of patent right |
Effective date of registration: 20150402 Address after: Osaka Patentee after: Ricoh Microelectronics Co., Ltd. Address before: Tokyo, Japan, Japan Patentee before: Ricoh Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091021 Termination date: 20150328 |
|
EXPY | Termination of patent right or utility model |