SG83825A1 - Low-voltage, broadband operational amplifier - Google Patents

Low-voltage, broadband operational amplifier

Info

Publication number
SG83825A1
SG83825A1 SG200006503A SG200006503A SG83825A1 SG 83825 A1 SG83825 A1 SG 83825A1 SG 200006503 A SG200006503 A SG 200006503A SG 200006503 A SG200006503 A SG 200006503A SG 83825 A1 SG83825 A1 SG 83825A1
Authority
SG
Singapore
Prior art keywords
amplifier
common mode
voltage
operational amplifier
low voltage
Prior art date
Application number
SG200006503A
Other languages
English (en)
Inventor
Nagaraj Krishnasawamy
Original Assignee
Texas Instruments 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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of SG83825A1 publication Critical patent/SG83825A1/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor
    • 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
    • H03F3/45695—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 using feedforward means
    • H03F3/45699—Measuring at the input circuit of the differential amplifier
    • H03F3/45704—Controlling the input circuit of the differential amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/005—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements using switched capacitors, e.g. dynamic amplifiers; using switched capacitors as resistors in 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
    • H03F3/45076—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
    • 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
    • H03F3/45636—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 using feedback means
    • H03F3/45641—Measuring at the loading circuit of the differential amplifier
    • H03F3/45659—Controlling the loading circuit of the differential 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
    • H03F2203/45394—Indexing scheme relating to differential amplifiers the AAC of the dif amp comprising FETs whose sources are not coupled, i.e. the AAC being a pseudo-differential amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Amplifiers (AREA)
  • Logic Circuits (AREA)
  • Networks Using Active Elements (AREA)
SG200006503A 1999-10-25 2000-10-25 Low-voltage, broadband operational amplifier SG83825A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16128299P 1999-10-25 1999-10-25
US09/655,697 US6529070B1 (en) 1999-10-25 2000-09-06 Low-voltage, broadband operational amplifier

Publications (1)

Publication Number Publication Date
SG83825A1 true SG83825A1 (en) 2001-10-16

Family

ID=26857687

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200006503A SG83825A1 (en) 1999-10-25 2000-10-25 Low-voltage, broadband operational amplifier

Country Status (9)

Country Link
US (2) US6529070B1 (de)
EP (1) EP1096671B1 (de)
JP (1) JP2001230637A (de)
KR (1) KR100765591B1 (de)
AT (1) ATE430404T1 (de)
DE (1) DE60042101D1 (de)
IL (1) IL139260A0 (de)
SG (1) SG83825A1 (de)
TW (1) TW518817B (de)

Families Citing this family (76)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7605649B2 (en) 2001-03-13 2009-10-20 Marvell World Trade Ltd. Nested transimpedance amplifier
US7551024B2 (en) * 2001-03-13 2009-06-23 Marvell World Trade Ltd. Nested transimpedance amplifier
DE60233818D1 (de) * 2001-10-25 2009-11-05 Nxp Bv Operationsverstärker mit getaktetem eingangstransistorpaar
JP4054804B2 (ja) * 2002-04-23 2008-03-05 ナノパワーソリューション株式会社 雑音除去回路
JP3935777B2 (ja) * 2002-05-28 2007-06-27 富士通株式会社 出力回路装置
JP4076079B2 (ja) * 2003-01-08 2008-04-16 株式会社日立製作所 半導体集積回路装置および半導体集積回路
US7528643B2 (en) * 2003-02-12 2009-05-05 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device, electronic device having the same, and driving method of the same
US7071778B2 (en) * 2003-04-28 2006-07-04 Sony Corporation High-speed low-power dynamic current biased operational amplifier
US7138835B1 (en) * 2003-05-23 2006-11-21 Xilinx, Inc. Method and apparatus for an equalizing buffer
KR20050026668A (ko) * 2003-09-09 2005-03-15 한국전자통신연구원 트라이오드영역형 트랜스컨덕터의 고선형과 저왜곡화 방법및 이를 적용한 트라이오드영역형 트랜스컨덕터 회로
US7034730B2 (en) * 2003-10-03 2006-04-25 Wright State University Pipelined delta sigma modulator analog to digital converter
KR100558571B1 (ko) * 2004-03-03 2006-03-13 삼성전자주식회사 반도체 메모리 장치의 전류 센스앰프 회로
EP1624564A1 (de) * 2004-08-02 2006-02-08 Semiconductor Ideas to The Market (ItoM) BV Transkonduktanz-Operationsverstärker mit steuerbarer Leistung
WO2006034313A1 (en) * 2004-09-20 2006-03-30 The Trustees Of Columbia University In The City Ofnew York Low voltage operational transconductance amplifier circuits
JP2006121307A (ja) * 2004-10-20 2006-05-11 Sony Corp サンプルホールド回路又はそれを用いたａｄ変換器
JP2006121480A (ja) * 2004-10-22 2006-05-11 Sony Corp サンプルホールド回路及びそれを用いたパイプラインａｄ変換器
KR100711525B1 (ko) * 2004-12-10 2007-04-27 한국전자통신연구원 저전압 차동신호 구동회로 및 제어방법
US7298210B2 (en) * 2005-05-24 2007-11-20 Texas Instruments Incorporated Fast settling, low noise, low offset operational amplifier and method
US7560987B1 (en) * 2005-06-07 2009-07-14 Cypress Semiconductor Corporation Amplifier circuit with bias stage for controlling a common mode output voltage of the gain stage during device power-up
JP2007043289A (ja) * 2005-08-01 2007-02-15 Toshiba Corp 増幅回路とこれを用いたフィルタ及び無線通信装置
US7352207B2 (en) * 2005-09-30 2008-04-01 Silicon Laboratories Inc. Output driver with common mode feedback
DE102005051778B4 (de) * 2005-10-28 2011-07-28 Texas Instruments Deutschland GmbH, 85356 Analoger Signalverarbeitungsblock
CN101005271B (zh) * 2006-01-18 2012-04-18 马维尔国际贸易有限公司 嵌套互阻抗放大器
US7508235B2 (en) * 2006-06-07 2009-03-24 Silicon Laboratories Inc. Differential line termination technique
JP2008015875A (ja) * 2006-07-07 2008-01-24 Matsushita Electric Ind Co Ltd 電源回路
US7679443B2 (en) * 2006-08-31 2010-03-16 Texas Instruments Incorporated System and method for common mode translation
US7652535B2 (en) 2006-09-12 2010-01-26 Stmicroelectronics Pvt. Ltd. Continuous time common mode feedback circuit, system, and method
US7671676B2 (en) * 2006-09-12 2010-03-02 Stmicroelectronics Pvt. Ltd. Continuous time common-mode feedback module and method with wide swing and good linearity
US7737780B2 (en) * 2006-09-12 2010-06-15 Stmicroelectronics Pvt. Ltd. Scheme for improving settling behavior of gain boosted fully differential operational amplifier
US7372391B1 (en) * 2006-09-22 2008-05-13 National Semiconductor Corporation Pipeline ADC with memory effects achieving one cycle absolute over-range recovery
KR101484335B1 (ko) * 2007-02-09 2015-01-19 인터실 아메리카스 엘엘씨 파이프라인 전하―도메인 신호―처리 회로에서 공통―모드 전하 제어
US7525381B2 (en) * 2007-03-09 2009-04-28 Analog Devices, Inc. Amplifier structures that enhance transient currents and signal swing
US8086207B2 (en) 2007-03-19 2011-12-27 Qualcomm Incorporated Linear transconductor for RF communications
JP2008252816A (ja) * 2007-03-30 2008-10-16 Toshiba Corp 周波数変換器、およびこの周波数変換器を用いた無線受信機
US7592867B2 (en) * 2007-04-03 2009-09-22 Texas Instruments Incorporated Common mode feedback for large output swing and low differential error
US7471148B2 (en) * 2007-05-21 2008-12-30 Sekio Epson Corporation Differential low noise amplifier (LNA) with common mode feedback and gain control
US20090088110A1 (en) * 2007-09-27 2009-04-02 Nanoamp Solutions, Inc. (Cayman) Radio frequency receiver architecture
US20090088124A1 (en) * 2007-09-27 2009-04-02 Nanoamp Solutions, Inc. (Cayman) Radio Frequency Receiver Architecture
US7999523B1 (en) 2008-08-29 2011-08-16 Silicon Laboratories Inc. Driver with improved power supply rejection
US20100117703A1 (en) * 2008-11-13 2010-05-13 Zhipeng Zhu Multi-mode single-ended cmos input buffer
JP2010233084A (ja) * 2009-03-27 2010-10-14 Toshiba Corp 差動増幅器
US8461880B2 (en) * 2009-04-02 2013-06-11 Silicon Labs Spectra, Inc. Buffer with an output swing created using an over-supply voltage
KR101087246B1 (ko) * 2009-09-10 2011-11-29 연세대학교 산학협력단 스위치드 커패시터 회로
KR101046151B1 (ko) * 2009-10-08 2011-07-01 고려대학교 산학협력단 피드백 구조를 갖는 광대역 능동 회로
US8049562B2 (en) * 2010-01-07 2011-11-01 Texas Instruments Incorporated Amplifier with improved input resistance and controlled common mode
JP5161909B2 (ja) * 2010-03-10 2013-03-13 旭化成エレクトロニクス株式会社 スイッチトキャパシタ回路
JP5136587B2 (ja) 2010-04-01 2013-02-06 株式会社デンソー 増幅回路、信号処理回路および半導体集積回路装置
KR20130069147A (ko) * 2011-12-16 2013-06-26 삼성전자주식회사 기저대역 신호를 증폭하기 위한 장치 및 회로
US8963634B2 (en) * 2012-02-28 2015-02-24 Qualcomm Incorporated Load current sensing
CN102624337B (zh) * 2012-03-29 2013-07-24 天津大学 对电容失配和采样信号共模不敏感的2倍开关电容放大器
US9166834B2 (en) 2012-06-20 2015-10-20 MagnaCom Ltd. Method and system for corrupt symbol handling for providing high reliability sequences
US8675769B1 (en) 2012-06-20 2014-03-18 MagnaCom Ltd. Constellation map optimization for highly spectrally efficient communications
CN105027433A (zh) * 2013-01-15 2015-11-04 美商楼氏电子有限公司 具有转换速率控制的缩放运算放大器
FR3005195B1 (fr) * 2013-04-24 2016-09-02 Soitec Silicon On Insulator Dispositif de memoire avec circuits de reference exploites dynamiquement.
US20150061767A1 (en) 2013-08-28 2015-03-05 Texas Instruments Incorporated Telescopic Amplifier with Improved Common Mode Settling
JP2015050722A (ja) * 2013-09-04 2015-03-16 ソニー株式会社 信号出力回路および信号出力方法
US9397645B2 (en) * 2014-03-25 2016-07-19 Infineon Technologies Austria Ag Circuit for common mode removal for DC-coupled front-end circuits
US9246477B2 (en) * 2014-03-27 2016-01-26 Qualcomm Incorporated Systems and methods for common mode level shifting
US9692375B2 (en) * 2015-07-30 2017-06-27 Qualcomm Incorporated Boosting amplifier gain without clipping signal envelope
KR101719665B1 (ko) * 2015-09-25 2017-04-04 (주)다빛센스 피드백 필터를 가진 멤스 마이크로폰의 전치 증폭기
RU2613842C1 (ru) * 2015-10-20 2017-03-21 Федеральное Государственное Бюджетное Образовательное Учреждение Высшего Профессионального Образования "Донской Государственный Технический Университет" (Дгту) Дифференциальный операционный усилитель с малым напряжением питания
GB2553393B (en) * 2016-08-30 2020-04-08 Cirrus Logic Int Semiconductor Ltd Fully-differential operational amplifier system
US10320337B2 (en) 2016-08-30 2019-06-11 Cirrus Logic, Inc. Fully-differential operational amplifier system
EP3297184B1 (de) 2016-09-15 2018-12-12 Knowledge Development for POF SL Transimpedanzverstärker für optische hochgeschwindigkeitskommunikation auf grundlage linearer modulationen
CN109743032B (zh) * 2019-01-08 2020-09-11 北京智芯微电子科技有限公司 具有共模反馈控制电路的反相伪全差分放大器
DE102020200612B4 (de) * 2020-01-20 2022-02-10 Hahn-Schickard-Gesellschaft für angewandte Forschung e.V. Operationsverstärker und Verfahren zum Betreiben eines Operationsverstärkers
GB202014963D0 (en) * 2020-09-22 2020-11-04 Nordic Semiconductor Asa Common-mode feedback
JP2022061886A (ja) * 2020-10-07 2022-04-19 日清紡マイクロデバイス株式会社 レベルシフト回路及び増幅装置
CN114489217B (zh) * 2020-11-11 2024-11-05 扬智科技股份有限公司 信号接收装置及其偏压校正电路
US11522509B2 (en) 2021-03-08 2022-12-06 Cirrus Logic, Inc. Frequency-selective common-mode control and output stage biasing in an operational amplifier for a class-D amplifier loop filter
US11601098B2 (en) * 2021-03-26 2023-03-07 Psemi Corporation Differential cascode amplifier arrangement with reduced common mode gate RF voltage
KR102644758B1 (ko) * 2021-12-13 2024-03-06 엘에스일렉트릭(주) 아날로그 출력 회로 및 이를 구비한 인버터
US12282045B2 (en) 2022-12-02 2025-04-22 Infineon Technologies Ag Common mode evaluation in a differential galvanic isolation signal transmission circuit
JP2024147264A (ja) * 2023-04-03 2024-10-16 株式会社デンソー スイッチトキャパシタアンプ
JP2025041052A (ja) * 2023-09-13 2025-03-26 ウィル セミコンダクター （シャンハイ） カンパニー リミテッド 電流センスアンプ
CN120185557B (zh) * 2025-05-22 2025-09-23 西安交通大学 一种增益提升型浮空反相动态放大器电路

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5864257A (en) * 1997-07-15 1999-01-26 Exar Corporation Replica bias circuit to optimize swing of differential op-amp
US5914638A (en) * 1997-06-06 1999-06-22 Omnivision Technologies, Inc. Method and apparatus for adjusting the common-mode output voltage of a sample-and-hold amplifier

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4656436A (en) * 1985-12-31 1987-04-07 At&T Bell Laboratories CMOS transconductance circuit with triode mode input
DE69329837T2 (de) * 1992-04-30 2001-04-19 Hewlett Packard Co Differenztieller integrierender Verstärker mit geschalteten Kapazitäten zur Bildung von Prezisionswiderständen
FR2702105B1 (fr) * 1993-02-26 1995-05-24 Sgs Thomson Microelectronics Dispositif de régulation de la tension de mode commun en sortie d'un amplificateur équilibré.
EP0765543B1 (de) * 1994-06-15 2001-10-17 Koninklijke Philips Electronics N.V. Differenzverstärker mit gleichtaktunterdrückung für niedrige speisespannungen
US5847600A (en) * 1996-04-26 1998-12-08 Analog Devices, Inc. Multi-stage high-gain high-speed amplifier
US5856757A (en) * 1997-06-11 1999-01-05 Philips Electronics North America Corporation gm-C cell with two stage common mode control and current boost
KR100284024B1 (ko) * 1997-07-29 2001-03-02 윤종용 저전압 씨모오스 연산 증폭기 회로 및 그것을 구비한 샘플 앤드 홀드 회로
US6191648B1 (en) * 1999-04-19 2001-02-20 National Semiconductor Corporation Switched-capacitor cosine filter circuit
US6359511B1 (en) * 2000-05-12 2002-03-19 National Semiconductor Corporation System and method for current splitting for variable gain control

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5914638A (en) * 1997-06-06 1999-06-22 Omnivision Technologies, Inc. Method and apparatus for adjusting the common-mode output voltage of a sample-and-hold amplifier
US5864257A (en) * 1997-07-15 1999-01-26 Exar Corporation Replica bias circuit to optimize swing of differential op-amp

Also Published As

Publication number Publication date
IL139260A0 (en) 2001-11-25
DE60042101D1 (de) 2009-06-10
TW518817B (en) 2003-01-21
KR20010067342A (ko) 2001-07-12
US20030001674A1 (en) 2003-01-02
JP2001230637A (ja) 2001-08-24
EP1096671A1 (de) 2001-05-02
ATE430404T1 (de) 2009-05-15
KR100765591B1 (ko) 2007-10-09
US6624698B2 (en) 2003-09-23
EP1096671B1 (de) 2009-04-29
US6529070B1 (en) 2003-03-04

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