JP3874776B2 - 演算増幅器 - Google Patents

演算増幅器 Download PDF

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Publication number
JP3874776B2
JP3874776B2 JP2004300998A JP2004300998A JP3874776B2 JP 3874776 B2 JP3874776 B2 JP 3874776B2 JP 2004300998 A JP2004300998 A JP 2004300998A JP 2004300998 A JP2004300998 A JP 2004300998A JP 3874776 B2 JP3874776 B2 JP 3874776B2
Authority
JP
Japan
Prior art keywords
terminal
inverting input
operational amplifier
transistor
protection diode
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
JP2004300998A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006115255A (ja
Inventor
幸一 花田
正規 鹿山
尚弘 野村
章 野口
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
Priority to JP2004300998A priority Critical patent/JP3874776B2/ja
Priority to CNB2005800338271A priority patent/CN100514845C/zh
Priority to PCT/JP2005/017984 priority patent/WO2006040935A1/ja
Priority to US11/665,212 priority patent/US7532076B2/en
Priority to TW094136071A priority patent/TW200629717A/zh
Publication of JP2006115255A publication Critical patent/JP2006115255A/ja
Application granted granted Critical
Publication of JP3874776B2 publication Critical patent/JP3874776B2/ja
Priority to US12/416,806 priority patent/US7692492B2/en
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
JP2004300998A 2004-10-15 2004-10-15 演算増幅器 Expired - Fee Related JP3874776B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2004300998A JP3874776B2 (ja) 2004-10-15 2004-10-15 演算増幅器
CNB2005800338271A CN100514845C (zh) 2004-10-15 2005-09-29 运算放大器
PCT/JP2005/017984 WO2006040935A1 (ja) 2004-10-15 2005-09-29 演算増幅器
US11/665,212 US7532076B2 (en) 2004-10-15 2005-09-29 Operational amplifier
TW094136071A TW200629717A (en) 2004-10-15 2005-10-14 Operational amplifier
US12/416,806 US7692492B2 (en) 2004-10-15 2009-04-01 Operational amplifier

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JP2006115255A JP2006115255A (ja) 2006-04-27
JP3874776B2 true JP3874776B2 (ja) 2007-01-31

Family

ID=36148232

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004300998A Expired - Fee Related JP3874776B2 (ja) 2004-10-15 2004-10-15 演算増幅器

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

Family Cites Families (11)

* 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
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
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
JP2002141421A (ja) 2000-10-31 2002-05-17 Toshiba Corp 半導体集積回路装置
US6507471B2 (en) * 2000-12-07 2003-01-14 Koninklijke Philips Electronics N.V. ESD protection devices

Also Published As

Publication number Publication date
CN100514845C (zh) 2009-07-15
WO2006040935A1 (ja) 2006-04-20
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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