GB2265778A - Operational amplifierwith self contained sample and hold and auto zero - Google Patents

Operational amplifierwith self contained sample and hold and auto zero

Info

Publication number
GB2265778A
GB2265778A GB9301847A GB9301847A GB2265778A GB 2265778 A GB2265778 A GB 2265778A GB 9301847 A GB9301847 A GB 9301847A GB 9301847 A GB9301847 A GB 9301847A GB 2265778 A GB2265778 A GB 2265778A
Authority
GB
United Kingdom
Prior art keywords
hold
present
sample
amplifier
azamp
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.)
Withdrawn
Application number
GB9301847A
Other languages
English (en)
Other versions
GB9301847D0 (en
Inventor
White Bert
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.)
Silicon Systems Inc
Original Assignee
Silicon Systems 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 Silicon Systems Inc filed Critical Silicon Systems Inc
Publication of GB9301847D0 publication Critical patent/GB9301847D0/en
Publication of GB2265778A publication Critical patent/GB2265778A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/303—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters using a switching device
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C27/00—Electric analogue stores, e.g. for storing instantaneous values
    • G11C27/02—Sample-and-hold arrangements
    • G11C27/024—Sample-and-hold arrangements using a capacitive memory element
    • G11C27/026—Sample-and-hold arrangements using a capacitive memory element associated with an amplifier
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
GB9301847A 1991-07-05 1993-01-27 Operational amplifierwith self contained sample and hold and auto zero Withdrawn GB2265778A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/725,966 US5258664A (en) 1991-07-05 1991-07-05 Operational amplifier with self contained sample and hold and auto zero
PCT/US1992/005635 WO1993001600A1 (en) 1991-07-05 1992-07-06 Operational amplifier with self-contained sample and hold and auto zero

Publications (2)

Publication Number Publication Date
GB9301847D0 GB9301847D0 (en) 1993-04-14
GB2265778A true GB2265778A (en) 1993-10-06

Family

ID=24916659

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9301847A Withdrawn GB2265778A (en) 1991-07-05 1993-01-27 Operational amplifierwith self contained sample and hold and auto zero

Country Status (7)

Country Link
US (1) US5258664A (US20030204162A1-20031030-M00001.png)
JP (1) JP3273786B2 (US20030204162A1-20031030-M00001.png)
KR (1) KR100285915B1 (US20030204162A1-20031030-M00001.png)
AU (1) AU2371592A (US20030204162A1-20031030-M00001.png)
DE (1) DE4292255T1 (US20030204162A1-20031030-M00001.png)
GB (1) GB2265778A (US20030204162A1-20031030-M00001.png)
WO (1) WO1993001600A1 (US20030204162A1-20031030-M00001.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2298329A (en) * 1995-02-21 1996-08-28 Plessey Semiconductors Ltd Voltage offset compensation circuit

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69325691T2 (de) * 1992-10-19 2000-02-17 Koninkl Philips Electronics Nv Abtast-und Halteschaltung mit Reduktion des Taktdurchgriffs
JP3222276B2 (ja) * 1993-07-30 2001-10-22 セイコーインスツルメンツ株式会社 コンパレータ回路およびコンパレータ回路の制御方法
US5424670A (en) * 1994-01-24 1995-06-13 Analog Devices, Inc. Precision switched capacitor ratio system
GB2296399B (en) * 1994-11-23 1998-10-14 Motorola Inc Compensating circuit
US5572153A (en) * 1995-03-03 1996-11-05 Lucent Technologies Inc. Low offset comparators based on current copiers
US5689201A (en) * 1995-08-08 1997-11-18 Oregon State University Track-and-hold circuit utilizing a negative of the input signal for tracking
US6271784B1 (en) * 1997-08-12 2001-08-07 Analog Devices, Inc. Capacitor-based digital-to-analog converter with continuous time output
US6002277A (en) * 1998-04-06 1999-12-14 Intersil Corporation Sample-and-hold circuit having reduced parasitic diode effects and related methods
US6016067A (en) * 1998-04-06 2000-01-18 Intersil Corporation Sample-and-hold circuit having reduced amplifier offset effects and related methods
US6281732B1 (en) * 2000-10-31 2001-08-28 Fred Mirow Precision multivibrator using stabilized amplifier system
FR2856475B1 (fr) * 2003-06-20 2005-10-14 Commissariat Energie Atomique Capteur capacitif de mesure et procede de mesure associe
KR101212269B1 (ko) 2005-12-09 2013-01-09 매그나칩 반도체 유한회사 스위치드 캐패시터형 이득 증폭기 및 아날로그 메모리 회로
DE102008056562B4 (de) 2008-11-10 2016-02-04 Atmel Corp. Schaltung
JP5251541B2 (ja) * 2009-01-26 2013-07-31 富士通セミコンダクター株式会社 定電圧発生回路およびレギュレータ回路
JP4975793B2 (ja) * 2009-09-14 2012-07-11 株式会社東芝 半導体集積回路
US8330536B1 (en) * 2010-12-20 2012-12-11 Xilinx, Inc. Differential reference interface with low noise offset cancellation
US8319550B2 (en) * 2011-01-18 2012-11-27 Freescale Semiconductor, Inc. Switched-capacitor programmable-gain amplifier
KR102245973B1 (ko) * 2014-02-17 2021-04-29 삼성전자주식회사 상관 이중 샘플링 회로 및 이를 포함하는 이미지 센서
US9496833B2 (en) 2014-04-08 2016-11-15 Analog Devices, Inc. Apparatus and methods for multi-channel autozero and chopper amplifiers
US9729109B2 (en) 2015-08-11 2017-08-08 Analog Devices, Inc. Multi-channel amplifier with chopping
JP6215398B1 (ja) * 2016-06-22 2017-10-18 力晶科技股▲ふん▼有限公司 スイッチドキャパシタ回路及びａｄ変換装置
JP6981774B2 (ja) * 2017-05-09 2021-12-17 ラピスセミコンダクタ株式会社 スイッチトキャパシタ増幅回路、電圧増幅方法及び赤外線センサ装置
US11012037B2 (en) 2019-03-22 2021-05-18 Analog Devices International Unlimited Company Techniques for controlling an auto-zero amplifier
US10833639B2 (en) 2019-04-12 2020-11-10 Analog Devices International Unlimited Company Method for aliasing reduction in auto zero amplifier

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4439693A (en) * 1981-10-30 1984-03-27 Hughes Aircraft Co. Sample and hold circuit with improved offset compensation
US4806875A (en) * 1988-05-11 1989-02-21 Maxim Integrated Products Precision operational amplifier
US4833345A (en) * 1988-02-03 1989-05-23 Analog Devices, Incorporated Sample/hold amplifier for integrated circuits
US4962325A (en) * 1988-09-09 1990-10-09 Analog Devices, Inc. Sample-hold amplifier circuit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4565971A (en) * 1985-01-28 1986-01-21 Motorola, Inc. Parasitic insensitive auto-zeroed operational amplifier
US4806790A (en) * 1987-02-16 1989-02-21 Nec Corporation Sample-and-hold circuit
US5124663A (en) * 1991-03-04 1992-06-23 Motorola, Inc. Offset compensation CMOS operational amplifier
US5142238A (en) * 1991-07-18 1992-08-25 Silicon Systems, Inc. Switched-capacitor differential amplifier

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4439693A (en) * 1981-10-30 1984-03-27 Hughes Aircraft Co. Sample and hold circuit with improved offset compensation
US4833345A (en) * 1988-02-03 1989-05-23 Analog Devices, Incorporated Sample/hold amplifier for integrated circuits
US4806875A (en) * 1988-05-11 1989-02-21 Maxim Integrated Products Precision operational amplifier
US4962325A (en) * 1988-09-09 1990-10-09 Analog Devices, Inc. Sample-hold amplifier circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2298329A (en) * 1995-02-21 1996-08-28 Plessey Semiconductors Ltd Voltage offset compensation circuit
GB2298329B (en) * 1995-02-21 2000-02-16 Plessey Semiconductors Ltd Voltage offset compensation circuit

Also Published As

Publication number Publication date
AU2371592A (en) 1993-02-11
JPH06501589A (ja) 1994-02-17
US5258664A (en) 1993-11-02
GB9301847D0 (en) 1993-04-14
DE4292255T1 (US20030204162A1-20031030-M00001.png) 1993-07-15
WO1993001600A1 (en) 1993-01-21
JP3273786B2 (ja) 2002-04-15
KR100285915B1 (ko) 2001-04-16

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)