JP7301145B2 - 演算増幅器 - Google Patents

演算増幅器 Download PDF

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Publication number
JP7301145B2
JP7301145B2 JP2021550972A JP2021550972A JP7301145B2 JP 7301145 B2 JP7301145 B2 JP 7301145B2 JP 2021550972 A JP2021550972 A JP 2021550972A JP 2021550972 A JP2021550972 A JP 2021550972A JP 7301145 B2 JP7301145 B2 JP 7301145B2
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Japan
Prior art keywords
voltage
differential
node
differential pair
input
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English (en)
Japanese (ja)
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JPWO2021070245A5 (https=
JPWO2021070245A1 (https=
Inventor
友和 小島
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Publication of JPWO2021070245A1 publication Critical patent/JPWO2021070245A1/ja
Publication of JPWO2021070245A5 publication Critical patent/JPWO2021070245A5/ja
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    • 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
    • H03F3/45269—Complementary non-cross coupled types
    • 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
    • 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
    • H03F3/45183—Long tailed pairs
    • 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
    • H03F3/45183—Long tailed pairs
    • H03F3/45192—Folded cascode stages
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—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
    • H03F3/45475—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using IC blocks 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
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control 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
    • H03F2203/45244—Indexing scheme relating to differential amplifiers the differential amplifier contains one or more explicit bias circuits, e.g. to bias the tail current sources, to bias the load 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
    • H03F2203/45366—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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
JP2021550972A 2019-10-08 2019-10-08 演算増幅器 Active JP7301145B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/039649 WO2021070245A1 (ja) 2019-10-08 2019-10-08 演算増幅器

Publications (3)

Publication Number Publication Date
JPWO2021070245A1 JPWO2021070245A1 (https=) 2021-04-15
JPWO2021070245A5 JPWO2021070245A5 (https=) 2022-05-19
JP7301145B2 true JP7301145B2 (ja) 2023-06-30

Family

ID=75437035

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021550972A Active JP7301145B2 (ja) 2019-10-08 2019-10-08 演算増幅器

Country Status (4)

Country Link
US (1) US20220278662A1 (https=)
JP (1) JP7301145B2 (https=)
CN (1) CN114503430A (https=)
WO (1) WO2021070245A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240429887A1 (en) * 2023-06-21 2024-12-26 Qualcomm Incorporated Operational transconductance amplifier with boosted transconductance
CN117806407A (zh) * 2023-12-25 2024-04-02 普冉半导体(上海)股份有限公司 一种二级运放调压电路以及电子设备

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003069353A (ja) 2001-08-24 2003-03-07 Toshiba Corp 差動増幅回路および液晶表示装置駆動用半導体集積回路
JP2009302619A (ja) 2008-06-10 2009-12-24 Toshiba Corp 演算増幅器
US20130181775A1 (en) 2012-01-18 2013-07-18 Quan Wan Rail-to rail input circuit
JP2014204291A (ja) 2013-04-04 2014-10-27 富士電機株式会社 演算増幅回路
JP2018129571A (ja) 2017-02-06 2018-08-16 三菱電機株式会社 コンパレータ、ａｄ変換器、半導体集積回路および回転検出装置
JP2018164182A (ja) 2017-03-24 2018-10-18 エイブリック株式会社 差動増幅回路

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03196279A (ja) * 1989-12-25 1991-08-27 Nec Corp 演算増幅器
JPH03285409A (ja) * 1990-03-30 1991-12-16 Fujitsu Ltd 増幅器
JP3476645B2 (ja) * 1996-11-08 2003-12-10 シャープ株式会社 差動増幅器、および、ボルテージフォロワ回路
DE19708203C2 (de) * 1997-02-28 1998-12-03 Siemens Ag Komparatorschaltung
US7692453B2 (en) * 2004-08-11 2010-04-06 Atmel Corporation Detector of differential threshold voltage
JP4797734B2 (ja) * 2006-03-23 2011-10-19 日本電気株式会社 差動増幅器とデジタル・アナログ変換器、並びに表示装置
JP4290721B2 (ja) * 2006-11-15 2009-07-08 シャープ株式会社 バンドパスフィルタ回路、並びに赤外線信号処理回路
US7812673B1 (en) * 2007-10-03 2010-10-12 Analog Devices, Inc. Amplifier having input/output cells with discrete gain steps
EP2311184A4 (en) * 2008-07-18 2014-02-26 Peregrine Semiconductor Corp SOFTENER HIGH PERFORMANCE VOLTAGE GENERATION CIRCUITS AND METHOD
US10320346B2 (en) * 2017-08-23 2019-06-11 Semiconductor Components Industries, Llc Bidirectional current sense amplifier
US11176888B2 (en) * 2019-08-22 2021-11-16 Apple Inc. Auto-zero applied buffer for display circuitry

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003069353A (ja) 2001-08-24 2003-03-07 Toshiba Corp 差動増幅回路および液晶表示装置駆動用半導体集積回路
JP2009302619A (ja) 2008-06-10 2009-12-24 Toshiba Corp 演算増幅器
US20130181775A1 (en) 2012-01-18 2013-07-18 Quan Wan Rail-to rail input circuit
JP2014204291A (ja) 2013-04-04 2014-10-27 富士電機株式会社 演算増幅回路
JP2018129571A (ja) 2017-02-06 2018-08-16 三菱電機株式会社 コンパレータ、ａｄ変換器、半導体集積回路および回転検出装置
JP2018164182A (ja) 2017-03-24 2018-10-18 エイブリック株式会社 差動増幅回路

Also Published As

Publication number Publication date
CN114503430A (zh) 2022-05-13
JPWO2021070245A1 (https=) 2021-04-15
WO2021070245A1 (ja) 2021-04-15
US20220278662A1 (en) 2022-09-01

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