CN100514845C - 运算放大器 - Google Patents

运算放大器 Download PDF

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Publication number
CN100514845C
CN100514845C CNB2005800338271A CN200580033827A CN100514845C CN 100514845 C CN100514845 C CN 100514845C CN B2005800338271 A CNB2005800338271 A CN B2005800338271A CN 200580033827 A CN200580033827 A CN 200580033827A CN 100514845 C CN100514845 C CN 100514845C
Authority
CN
China
Prior art keywords
terminal
operational amplifier
inverting input
protection diode
bipolar transistor
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
Application number
CNB2005800338271A
Other languages
English (en)
Chinese (zh)
Other versions
CN101036290A (zh
Inventor
花田幸一
鹿山正规
野村尚弘
野口章
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.)
Rohm Co Ltd
Original Assignee
Rohm Co Ltd
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 Rohm Co Ltd filed Critical Rohm Co Ltd
Publication of CN101036290A publication Critical patent/CN101036290A/zh
Application granted granted Critical
Publication of CN100514845C publication Critical patent/CN100514845C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • H03F3/4508—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using bipolar transistors as the active amplifying circuit
    • H03F3/45085—Long tailed pairs
    • 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
    • H03F1/52—Circuit arrangements for protecting such 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
    • H03F2203/45324—Indexing scheme relating to differential amplifiers the AAC comprising a Darlington transistor circuit
    • 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
    • H03F2203/45352—Indexing scheme relating to differential amplifiers the AAC comprising a combination of a plurality of transistors, e.g. Darlington 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
    • H03F2203/45568—Indexing scheme relating to differential amplifiers the IC comprising one or more diodes as shunt to the input leads

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
CNB2005800338271A 2004-10-15 2005-09-29 运算放大器 Expired - Fee Related CN100514845C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004300998A JP3874776B2 (ja) 2004-10-15 2004-10-15 演算増幅器
JP300998/2004 2004-10-15

Publications (2)

Publication Number Publication Date
CN101036290A CN101036290A (zh) 2007-09-12
CN100514845C true CN100514845C (zh) 2009-07-15

Family

ID=36148232

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2005800338271A Expired - Fee Related CN100514845C (zh) 2004-10-15 2005-09-29 运算放大器

Country Status (5)

Country Link
US (2) US7532076B2 (https=)
JP (1) JP3874776B2 (https=)
CN (1) CN100514845C (https=)
TW (1) TW200629717A (https=)
WO (1) WO2006040935A1 (https=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100992331B1 (ko) 2008-08-12 2010-11-05 삼성전기주식회사 고주파 변조기용 부스터 증폭회로 및 고주파 변조기
US7812674B2 (en) * 2008-11-25 2010-10-12 Xilinx, Inc. Common centroid electrostatic discharge protection for integrated circuit devices
US20110089902A1 (en) 2009-10-21 2011-04-21 K2 Energy Solutions, Inc. Circuitry for balancing charging of series connected battery cells
JP6515666B2 (ja) * 2015-05-08 2019-05-22 住友電気工業株式会社 増幅回路
CN105024658B (zh) * 2015-06-10 2017-12-15 思瑞浦微电子科技（苏州）有限公司 一种差分对管的保护电路
GB2580155A (en) * 2018-12-21 2020-07-15 Comet Ag Radiofrequency power amplifier
US11774561B2 (en) 2019-02-08 2023-10-03 Luminar Technologies, Inc. Amplifier input protection circuits
US12132452B2 (en) 2020-06-05 2024-10-29 Analog Devices, Inc. Apparatus and methods for amplifier input-overvoltage protection with low leakage current
CN112230702B (zh) * 2020-11-03 2025-05-27 成都明夷电子科技股份有限公司 一种SiGe工艺信号放大器尾电流偏置电路
CN116931632B (zh) * 2022-04-12 2026-02-03 圣邦微电子（北京）股份有限公司 一种高压输入级电路及高压输入方法
CN116931631B (zh) * 2022-04-12 2025-09-09 圣邦微电子（北京）股份有限公司 一种无偏置电流的高压输入级电路

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06237124A (ja) 1993-02-08 1994-08-23 Nippon Telegr & Teleph Corp <Ntt> 差動増幅器の入力保護回路
CN1351378A (zh) * 2000-10-31 2002-05-29 株式会社东芝 半导体集成电路系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4044313A (en) * 1976-12-01 1977-08-23 Rca Corporation Protective network for an insulated-gate field-effect (IGFET) differential amplifier
US4126830A (en) * 1977-09-27 1978-11-21 Rca Corporation Low leakage gate protection circuit
DE3342694A1 (de) 1983-11-25 1985-06-05 Bayer Ag, 5090 Leverkusen Herstellung sulfonsaeuregruppenhaltiger acrylnitrilpolymerisate und monomere dazu
JPS60155213U (ja) * 1984-03-23 1985-10-16 株式会社クボタ 電子回路の入力段トランジスタ保護回路
JPS62291175A (ja) * 1986-06-11 1987-12-17 Oki Electric Ind Co Ltd 半導体集積回路装置
JPS6324674A (ja) * 1986-06-17 1988-02-02 アールシーエー　コーポレーシヨン 集積回路
JPH1174742A (ja) 1997-08-27 1999-03-16 Denso Corp オペアンプ
US6218900B1 (en) * 2000-03-29 2001-04-17 Microchip Technology Incorporated Operational amplifier phase reversal protection
US6507471B2 (en) * 2000-12-07 2003-01-14 Koninklijke Philips Electronics N.V. ESD protection devices

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06237124A (ja) 1993-02-08 1994-08-23 Nippon Telegr & Teleph Corp <Ntt> 差動増幅器の入力保護回路
CN1351378A (zh) * 2000-10-31 2002-05-29 株式会社东芝 半导体集成电路系统

Also Published As

Publication number Publication date
WO2006040935A1 (ja) 2006-04-20
JP3874776B2 (ja) 2007-01-31
TWI358894B (https=) 2012-02-21
US20090189693A1 (en) 2009-07-30
JP2006115255A (ja) 2006-04-27
CN101036290A (zh) 2007-09-12
US7532076B2 (en) 2009-05-12
US7692492B2 (en) 2010-04-06
TW200629717A (en) 2006-08-16
US20080012641A1 (en) 2008-01-17

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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
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090715