JP2007526693A5 - - Google Patents

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Publication number
JP2007526693A5
JP2007526693A5 JP2007500752A JP2007500752A JP2007526693A5 JP 2007526693 A5 JP2007526693 A5 JP 2007526693A5 JP 2007500752 A JP2007500752 A JP 2007500752A JP 2007500752 A JP2007500752 A JP 2007500752A JP 2007526693 A5 JP2007526693 A5 JP 2007526693A5
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JP
Japan
Prior art keywords
transistor
emitter
collector
current source
base
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Application number
JP2007500752A
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English (en)
Japanese (ja)
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JP4560541B2 (ja
JP2007526693A (ja
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Priority claimed from US10/789,738 external-priority patent/US6965267B2/en
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Publication of JP2007526693A publication Critical patent/JP2007526693A/ja
Publication of JP2007526693A5 publication Critical patent/JP2007526693A5/ja
Application granted granted Critical
Publication of JP4560541B2 publication Critical patent/JP4560541B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2007500752A 2004-02-27 2004-12-14 入力バイアス電流の相殺回路を有したバイポーラ差動入力段 Expired - Fee Related JP4560541B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/789,738 US6965267B2 (en) 2004-02-27 2004-02-27 Bipolar differential input stage with input bias current cancellation circuit
PCT/US2004/041734 WO2005093947A1 (en) 2004-02-27 2004-12-14 Bipolar differential input stage with input bias current cancellation circuit

Publications (3)

Publication Number Publication Date
JP2007526693A JP2007526693A (ja) 2007-09-13
JP2007526693A5 true JP2007526693A5 (https=) 2010-07-22
JP4560541B2 JP4560541B2 (ja) 2010-10-13

Family

ID=34887358

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007500752A Expired - Fee Related JP4560541B2 (ja) 2004-02-27 2004-12-14 入力バイアス電流の相殺回路を有したバイポーラ差動入力段

Country Status (5)

Country Link
US (1) US6965267B2 (https=)
EP (1) EP1719246B1 (https=)
JP (1) JP4560541B2 (https=)
DE (1) DE602004027956D1 (https=)
WO (1) WO2005093947A1 (https=)

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US7116174B2 (en) * 2004-09-29 2006-10-03 Agere Systems Inc. Base current compensation circuit for a bipolar junction transistor
US7564309B2 (en) * 2006-08-31 2009-07-21 National Semiconductor Corportaion Wide input common mode for input bias current cancellation
US7649417B1 (en) * 2007-05-23 2010-01-19 National Semiconductor Corporation Apparatus and method for input stage and bias canceller for an audio operational amplifier
US8130037B2 (en) * 2010-03-23 2012-03-06 Analog Devices, Inc. Apparatus and method for reducing current noise
US8258868B2 (en) * 2010-11-10 2012-09-04 Texas Instruments Incorporated Differential input for ambipolar devices
US8416008B2 (en) * 2011-01-20 2013-04-09 Advanced Energy Industries, Inc. Impedance-matching network using BJT switches in variable-reactance circuits
CN103365327A (zh) * 2012-03-30 2013-10-23 苏州贝克微电子有限公司 一种将输入偏置电流减小到微微安级的电路
US9671228B2 (en) 2014-10-21 2017-06-06 Honeywell International Inc. Floating current mirror for RLG discharge control
US10992271B2 (en) * 2018-12-24 2021-04-27 Texas Instruments Incorporated Amplifier with input bias current cancellation
CN110048675B (zh) * 2019-05-06 2023-03-21 西安微电子技术研究所 一种提高双极型轨对轨运放输入偏置电流性能的电路
EP3806328B1 (en) * 2019-10-08 2022-08-17 Photolitics OOD Comparator device for comparing an analog signal with a reference signal
JP7586686B2 (ja) * 2020-10-30 2024-11-19 日清紡マイクロデバイス株式会社 入力バイアス電流低減回路
JP7712074B2 (ja) * 2020-11-20 2025-07-23 日清紡マイクロデバイス株式会社 増幅回路
CN112928998B (zh) * 2021-02-04 2023-11-17 苏州锐度微电子技术有限公司 一种双极型晶体管放大器
CN114513177B (zh) * 2021-12-31 2023-03-24 贵州振华风光半导体股份有限公司 一种基于双极型放大器的超低偏置电流设计方法及其电路
US12323109B2 (en) 2022-01-27 2025-06-03 Analog Devices, Inc. Low-headroom dynamic base current cancellation techniques

Family Cites Families (18)

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Publication number Priority date Publication date Assignee Title
GB1234759A (en) * 1967-12-13 1971-06-09 Pressac Ltd Contact bearing devices for securing to a board or the like having printed or like circuitry
US4068254A (en) * 1976-12-13 1978-01-10 Precision Monolithics, Inc. Integrated FET circuit with input current cancellation
JPS581306A (ja) * 1981-06-26 1983-01-06 Nippon Kogaku Kk <Nikon> 高入力インピ−ダンス差動増幅回路
JPS5917712A (ja) * 1982-07-21 1984-01-30 Mitsubishi Electric Corp ベ−ス電流補正回路
JPS5983410A (ja) * 1982-11-05 1984-05-14 Toshiba Corp 差動入力回路
US4575658A (en) * 1983-12-23 1986-03-11 Honeywell Inc. Power supply for a ring laser
JPS6112110A (ja) * 1984-06-28 1986-01-20 Toshiba Corp 差動増幅器
US4575685A (en) 1984-08-03 1986-03-11 Linear Technology Corporation Arrangement for cancelling the input bias current, at picoampere levels, in an integrated circuit
US4639684A (en) * 1984-11-06 1987-01-27 Harris Corporation Differential input stage for the realization of low noise and high precision bipolar transistor amplifiers
US4755770A (en) * 1986-08-13 1988-07-05 Harris Corporation Low noise current spectral density input bias current cancellation scheme
US4780688A (en) * 1987-05-07 1988-10-25 Harris Corporation Large signal output current enhancement for a differential pair
US4843342A (en) * 1987-12-09 1989-06-27 Vtc Incorporated Differential amplifier with input bias current cancellation
US4855684A (en) * 1988-10-14 1989-08-08 Analog Devices, Inc. Bias current compensation for bipolar input stages
JPH02206907A (ja) * 1989-02-07 1990-08-16 Yokogawa Electric Corp 差動増幅回路
JP3125282B2 (ja) * 1996-01-16 2001-01-15 ローム株式会社 オーディオ信号増幅回路およびこれを用いた携帯用音響機器
US6469578B1 (en) * 2001-05-23 2002-10-22 Fairchild Semiconductor Corporation Differential current mode gain stage and methods of using the same
US6549072B1 (en) * 2002-01-16 2003-04-15 Medtronic, Inc. Operational amplifier having improved input offset performance
US6636111B1 (en) 2002-07-26 2003-10-21 Linear Technology Corporation Bootstrap circuit to cancel input bias currents of a differential amplifier over most of common-mode input voltage range

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