JP4722502B2 - バンドギャップ回路 - Google Patents
バンドギャップ回路 Download PDFInfo
- Publication number
- JP4722502B2 JP4722502B2 JP2005020325A JP2005020325A JP4722502B2 JP 4722502 B2 JP4722502 B2 JP 4722502B2 JP 2005020325 A JP2005020325 A JP 2005020325A JP 2005020325 A JP2005020325 A JP 2005020325A JP 4722502 B2 JP4722502 B2 JP 4722502B2
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- JP
- Japan
- Prior art keywords
- voltage
- bipolar transistor
- emitter
- current
- band gap
- 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.)
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- 238000010586 diagram Methods 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
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Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
- G05F3/02—Regulating voltage or current
- G05F3/08—Regulating voltage or current wherein the variable is dc
- G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
- G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
- G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
- G05F3/30—Regulators using the difference between the base-emitter voltages of two bipolar transistors operating at different current densities
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Nonlinear Science (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Control Of Electrical Variables (AREA)
- Amplifiers (AREA)
Description
ΔVBE=VBE1−VBE2
=VT*ln(I3/IS)−VT*ln(I5/(N*IS))
=VT*ln(N*I3/I5) ・・・(1)
I3+I4=I5+I6 ・・・(2)
N1の電位:(R1+R2+RP)I4
N2の電位:(R1+R2)I6+RP(I6+I5/(1+β2))・・・(3)
(R1+R2)I6+RP(I6+I5/(1+β2))=(R1+R2+RP)I4
・・・(4)
I3/I5=1+RP/((R1+R2+RP)(1+β2)) ・・・(5)
ΔVBE=VT*ln(N(1+RP/((R1+R2+RP)(1+β2))))
・・・(6)
VD=VBE2*R2/(R1+R2) ・・・(7)
VBG=VD+ΔVBE
=VBE2*R2/(R1+R2)+VT*ln(N(1+RP/((R1+R2+RP)(1+β)))) ・・・(8)
VBG≒VBE2*R2/(R1+R2)+VT*ln(N(1+RP/((R1+R2+RP)(1+β))))+ΔVNoise ・・・(9)
VDD>VBE1+VDSAT ・・・(10)
QP1〜QP5 PMOSトランジスタ
11,12 バイポーラトランジスタ
R11〜R13 抵抗
31,55 フィードバック制御用増幅器
32,35,51,52 PMOSトランジスタ
33,34,53,54 バイポーラトランジスタ
R1,R2,RP、R1’,R2’,RP’ 抵抗
Claims (4)
- 第1の電流経路を構成する第1のバイポーラトランジスタと、
第2の電流経路を構成する第2のバイポーラトランジスタと、
前記第1のバイポーラトランジスタのエミッタに接続され、前記第1の電流経路を構成する第1の電圧制御電流源と、
前記第2のバイポーラトランジスタのエミッタに接続され、前記第2の電流経路を構成する第2の電圧制御電流源と、
前記第1のバイポーラトランジスタのエミッタと前記第2のバイポーラトランジスタのエミッタの電圧がそれぞれ入力され、前記第1のバイポーラトランジスタのエミッタ電圧と前記第2のバイポーラトランジスタのエミッタ電圧が等しくなるように、前記第1の電圧制御電流源及び前記第2の電圧制御電流源を制御するフィードバック制御用増幅器と、
前記第1のバイポーラトランジスタのベースとエミッタ間に接続された少なくとも2つに分割された抵抗素子と、
前記第2のバイポーラトランジスタのベースとコレクタ間、及びベースとエミッタ間にそれぞれ接続された抵抗素子と、を備え、
前記第2のバイポーラトランジスタのベースとエミッタ間の抵抗素子の分割ノードから出力信号を得るようにしたことを特徴とするバンドギャップ回路。 - 前記第2のバイポーラトランジスタのエミッタ面積が、前記第1のバイポーラトランジスタのエミッタ面積のN倍(Nは正の整数)であることを特徴とする請求項1に記載のバンドギャップ回路。
- 前記第1の電圧制御電流源と前記第2の電圧制御電流源の電流比が異なり、前記第1のバイポーラトランジスタと前記第2のバイポーラトランジスタに流れる電流の比が異なることを特徴とする請求項1に記載のバンドギャップ回路。
- 前記第1のPMOSトランジスタ52のゲート幅とゲート長の比が、前記第2のPMOSトランジスタゲート幅とゲート長の比のK倍(Kは正の整数)であることを特徴とする請求項1に記載のバンドギャップ回路。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/921,808 | 2004-08-20 | ||
US10/921,808 US7053694B2 (en) | 2004-08-20 | 2004-08-20 | Band-gap circuit with high power supply rejection ratio |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006059315A JP2006059315A (ja) | 2006-03-02 |
JP4722502B2 true JP4722502B2 (ja) | 2011-07-13 |
Family
ID=35909063
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005020325A Expired - Fee Related JP4722502B2 (ja) | 2004-08-20 | 2005-01-27 | バンドギャップ回路 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7053694B2 (ja) |
JP (1) | JP4722502B2 (ja) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7543253B2 (en) | 2003-10-07 | 2009-06-02 | Analog Devices, Inc. | Method and apparatus for compensating for temperature drift in semiconductor processes and circuitry |
US7453252B1 (en) * | 2004-08-24 | 2008-11-18 | National Semiconductor Corporation | Circuit and method for reducing reference voltage drift in bandgap circuits |
JP2008513874A (ja) * | 2004-09-15 | 2008-05-01 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | バイアス回路 |
US20060152206A1 (en) * | 2004-12-23 | 2006-07-13 | Yu Tim W H | Method for improving the power supply rejection ratio (PSRR) of low power reference circuits |
US7208930B1 (en) * | 2005-01-10 | 2007-04-24 | Analog Devices, Inc. | Bandgap voltage regulator |
US7411443B2 (en) * | 2005-12-02 | 2008-08-12 | Texas Instruments Incorporated | Precision reversed bandgap voltage reference circuits and method |
KR100694985B1 (ko) * | 2006-05-02 | 2007-03-14 | 주식회사 하이닉스반도체 | 저전압용 밴드 갭 기준 회로와 이를 포함하는 반도체 장치 |
US7456679B2 (en) * | 2006-05-02 | 2008-11-25 | Freescale Semiconductor, Inc. | Reference circuit and method for generating a reference signal from a reference circuit |
KR100825029B1 (ko) * | 2006-05-31 | 2008-04-24 | 주식회사 하이닉스반도체 | 밴드갭 기준전압 발생장치 및 이를 구비하는 반도체 소자 |
US8102201B2 (en) | 2006-09-25 | 2012-01-24 | Analog Devices, Inc. | Reference circuit and method for providing a reference |
US7576598B2 (en) * | 2006-09-25 | 2009-08-18 | Analog Devices, Inc. | Bandgap voltage reference and method for providing same |
US7714563B2 (en) * | 2007-03-13 | 2010-05-11 | Analog Devices, Inc. | Low noise voltage reference circuit |
US20080265860A1 (en) * | 2007-04-30 | 2008-10-30 | Analog Devices, Inc. | Low voltage bandgap reference source |
US7629785B1 (en) * | 2007-05-23 | 2009-12-08 | National Semiconductor Corporation | Circuit and method supporting a one-volt bandgap architecture |
JP2009003835A (ja) * | 2007-06-25 | 2009-01-08 | Oki Electric Ind Co Ltd | 基準電流発生装置 |
US7605578B2 (en) * | 2007-07-23 | 2009-10-20 | Analog Devices, Inc. | Low noise bandgap voltage reference |
US20090033311A1 (en) * | 2007-08-03 | 2009-02-05 | International Business Machines Corporation | Current Source with Power Supply Voltage Variation Compensation |
CN101878460A (zh) * | 2007-11-30 | 2010-11-03 | Nxp股份有限公司 | 用于提供参考电压的装置和方法 |
US7598799B2 (en) * | 2007-12-21 | 2009-10-06 | Analog Devices, Inc. | Bandgap voltage reference circuit |
US7612606B2 (en) * | 2007-12-21 | 2009-11-03 | Analog Devices, Inc. | Low voltage current and voltage generator |
US7880533B2 (en) * | 2008-03-25 | 2011-02-01 | Analog Devices, Inc. | Bandgap voltage reference circuit |
US7902912B2 (en) * | 2008-03-25 | 2011-03-08 | Analog Devices, Inc. | Bias current generator |
US7750728B2 (en) * | 2008-03-25 | 2010-07-06 | Analog Devices, Inc. | Reference voltage circuit |
JP2009251877A (ja) * | 2008-04-04 | 2009-10-29 | Nec Electronics Corp | 基準電圧回路 |
US8344720B2 (en) * | 2009-09-24 | 2013-01-01 | Taiwan Semiconductor Manufacturing Company, Ltd. | Reference voltage generators, integrated circuits, and methods for operating the reference voltage generators |
US9148140B1 (en) * | 2012-09-27 | 2015-09-29 | Maxim Integrated Systems, Inc. | Integrated circuit with precision current source |
US9727074B1 (en) * | 2016-06-13 | 2017-08-08 | Semiconductor Components Industries, Llc | Bandgap reference circuit and method therefor |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6242897B1 (en) * | 2000-02-03 | 2001-06-05 | Lsi Logic Corporation | Current stacked bandgap reference voltage source |
US6724176B1 (en) * | 2002-10-29 | 2004-04-20 | National Semiconductor Corporation | Low power, low noise band-gap circuit using second order curvature correction |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
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US4249122A (en) * | 1978-07-27 | 1981-02-03 | National Semiconductor Corporation | Temperature compensated bandgap IC voltage references |
US4633165A (en) * | 1984-08-15 | 1986-12-30 | Precision Monolithics, Inc. | Temperature compensated voltage reference |
JPH0561558A (ja) * | 1991-08-30 | 1993-03-12 | Sharp Corp | 基準電圧発生回路 |
US6005374A (en) * | 1997-04-02 | 1999-12-21 | Telcom Semiconductor, Inc. | Low cost programmable low dropout regulator |
US5936391A (en) * | 1997-10-01 | 1999-08-10 | Lucent Technologies, Inc. | Partially temperature compensated low noise voltage reference |
JP4239227B2 (ja) * | 1997-10-16 | 2009-03-18 | ミツミ電機株式会社 | 定電圧回路 |
US6232828B1 (en) * | 1999-08-03 | 2001-05-15 | National Semiconductor Corporation | Bandgap-based reference voltage generator circuit with reduced temperature coefficient |
US6657480B2 (en) * | 2000-07-21 | 2003-12-02 | Ixys Corporation | CMOS compatible band gap reference |
US6559629B1 (en) * | 2001-07-09 | 2003-05-06 | Cygnal Integrated Products, Inc. | Supply voltage monitor using bandgap device without feedback |
US6489835B1 (en) * | 2001-08-28 | 2002-12-03 | Lattice Semiconductor Corporation | Low voltage bandgap reference circuit |
US6690228B1 (en) * | 2002-12-11 | 2004-02-10 | Texas Instruments Incorporated | Bandgap voltage reference insensitive to voltage offset |
US6885178B2 (en) * | 2002-12-27 | 2005-04-26 | Analog Devices, Inc. | CMOS voltage bandgap reference with improved headroom |
US6954059B1 (en) * | 2003-04-16 | 2005-10-11 | National Semiconductor Corporation | Method and apparatus for output voltage temperature dependence adjustment of a low voltage band gap circuit |
-
2004
- 2004-08-20 US US10/921,808 patent/US7053694B2/en not_active Expired - Fee Related
-
2005
- 2005-01-27 JP JP2005020325A patent/JP4722502B2/ja not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6242897B1 (en) * | 2000-02-03 | 2001-06-05 | Lsi Logic Corporation | Current stacked bandgap reference voltage source |
US6724176B1 (en) * | 2002-10-29 | 2004-04-20 | National Semiconductor Corporation | Low power, low noise band-gap circuit using second order curvature correction |
Also Published As
Publication number | Publication date |
---|---|
US7053694B2 (en) | 2006-05-30 |
JP2006059315A (ja) | 2006-03-02 |
US20060038608A1 (en) | 2006-02-23 |
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