DE3273265D1 - Switched capacitor bandgap reference - Google Patents

Switched capacitor bandgap reference

Info

Publication number
DE3273265D1
DE3273265D1 DE8282900750T DE3273265T DE3273265D1 DE 3273265 D1 DE3273265 D1 DE 3273265D1 DE 8282900750 T DE8282900750 T DE 8282900750T DE 3273265 T DE3273265 T DE 3273265T DE 3273265 D1 DE3273265 D1 DE 3273265D1
Authority
DE
Germany
Prior art keywords
switched capacitor
bandgap reference
capacitor bandgap
switched
capacitor
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
Application number
DE8282900750T
Other languages
English (en)
Inventor
Richard Walter Ulmer
Roger A Whatley
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of DE3273265D1 publication Critical patent/DE3273265D1/de
Expired legal-status Critical Current

Links

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
DE8282900750T 1981-02-03 1982-01-25 Switched capacitor bandgap reference Expired DE3273265D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/231,073 US4375595A (en) 1981-02-03 1981-02-03 Switched capacitor temperature independent bandgap reference
PCT/US1982/000093 WO1982002806A1 (en) 1981-02-03 1982-01-25 Switched capacitor bandgap reference

Publications (1)

Publication Number Publication Date
DE3273265D1 true DE3273265D1 (en) 1986-10-23

Family

ID=22867646

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282900750T Expired DE3273265D1 (en) 1981-02-03 1982-01-25 Switched capacitor bandgap reference

Country Status (8)

Country Link
US (1) US4375595A (de)
EP (1) EP0070315B1 (de)
JP (1) JPS58500045A (de)
CA (1) CA1178338A (de)
DE (1) DE3273265D1 (de)
IT (1) IT1150382B (de)
SG (1) SG75988G (de)
WO (1) WO1982002806A1 (de)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4523107A (en) * 1982-04-23 1985-06-11 Motorola, Inc. Switched capacitor comparator
US4484089A (en) * 1982-08-19 1984-11-20 At&T Bell Laboratories Switched-capacitor conductance-control of variable transconductance elements
US4513207A (en) * 1983-12-27 1985-04-23 General Electric Company Alternating comparator circuitry for improved discrete sampling resistance control
US4588941A (en) * 1985-02-11 1986-05-13 At&T Bell Laboratories Cascode CMOS bandgap reference
US4736153A (en) * 1987-08-06 1988-04-05 National Semiconductor Corporation Voltage sustainer for above VCC level signals
US4896094A (en) * 1989-06-30 1990-01-23 Motorola, Inc. Bandgap reference circuit with improved output reference voltage
US5132556A (en) * 1989-11-17 1992-07-21 Samsung Semiconductor, Inc. Bandgap voltage reference using bipolar parasitic transistors and mosfet's in the current source
US5059820A (en) * 1990-09-19 1991-10-22 Motorola, Inc. Switched capacitor bandgap reference circuit having a time multiplexed bipolar transistor
IT1246598B (it) * 1991-04-12 1994-11-24 Sgs Thomson Microelectronics Circuito di riferimento di tensione a band-gap campionato
US5280235A (en) * 1991-09-12 1994-01-18 Texas Instruments Incorporated Fixed voltage virtual ground generator for single supply analog systems
US5588673A (en) * 1994-02-01 1996-12-31 The Bergquist Company Membrane switch for use over a steering wheel airbag assembly
US5563504A (en) * 1994-05-09 1996-10-08 Analog Devices, Inc. Switching bandgap voltage reference
AT403532B (de) * 1994-06-24 1998-03-25 Semcotec Handel Verfahren zur temperaturstabilisierung
US5614816A (en) * 1995-11-20 1997-03-25 Motorola Inc. Low voltage reference circuit and method of operation
GB2308684B (en) * 1995-12-22 2000-03-29 Motorola Inc Switched-capacitor reference circuit
JP3262013B2 (ja) * 1997-02-24 2002-03-04 三菱電機株式会社 容量型センサインターフェース回路
US5796244A (en) * 1997-07-11 1998-08-18 Vanguard International Semiconductor Corporation Bandgap reference circuit
US5834926A (en) * 1997-08-11 1998-11-10 Motorola, Inc. Bandgap reference circuit
US5910726A (en) * 1997-08-15 1999-06-08 Motorola, Inc. Reference circuit and method
US6215353B1 (en) * 1999-05-24 2001-04-10 Pairgain Technologies, Inc. Stable voltage reference circuit
US6323801B1 (en) 1999-07-07 2001-11-27 Analog Devices, Inc. Bandgap reference circuit for charge balance circuits
US6060874A (en) * 1999-07-22 2000-05-09 Burr-Brown Corporation Method of curvature compensation, offset compensation, and capacitance trimming of a switched capacitor band gap reference
GB2359203B (en) 2000-02-09 2004-09-01 Mitel Semiconductor Ab CMOS Low battery voltage detector
US6529058B2 (en) * 2001-01-11 2003-03-04 Broadcom Corporation Apparatus and method for obtaining stable delays for clock signals
US6535054B1 (en) * 2001-12-20 2003-03-18 National Semiconductor Corporation Band-gap reference circuit with offset cancellation
US6819163B1 (en) 2003-03-27 2004-11-16 Ami Semiconductor, Inc. Switched capacitor voltage reference circuits using transconductance circuit to generate reference voltage
US7161341B1 (en) * 2004-05-25 2007-01-09 National Semiconductor Corporation System, circuit, and method for auto-zeroing a bandgap amplifier
JP4681983B2 (ja) 2005-08-19 2011-05-11 富士通セミコンダクター株式会社 バンドギャップ回路
US7786792B1 (en) 2007-10-10 2010-08-31 Marvell International Ltd. Circuits, architectures, apparatuses, systems, and methods for low noise reference voltage generators with offset compensation
US8766602B1 (en) 2010-08-30 2014-07-01 Enerdel, Inc. Self protecting pre-charge circuit
CN102176188A (zh) * 2011-03-30 2011-09-07 上海北京大学微电子研究院 带隙基准电压产生电路
TWI490456B (zh) 2011-04-29 2015-07-01 Elan Microelectronics Corp Differential Capacitance Sensing Circuit and Method
US8717005B2 (en) * 2012-07-02 2014-05-06 Silicon Laboratories Inc. Inherently accurate adjustable switched capacitor voltage reference with wide voltage range
US9063556B2 (en) * 2013-02-11 2015-06-23 Omnivision Technologies, Inc. Bandgap reference circuit with offset voltage removal
CN104375551B (zh) * 2014-11-25 2017-01-04 无锡中感微电子股份有限公司 带隙电压生成电路
US9342084B1 (en) 2015-02-20 2016-05-17 Silicon Laboratories Inc. Bias circuit for generating bias outputs
US9958888B2 (en) 2015-06-16 2018-05-01 Silicon Laboratories Inc. Pre-charge technique for a voltage regulator
CN105468077B (zh) * 2015-12-28 2017-05-31 中国科学院深圳先进技术研究院 一种低功耗带隙基准源
US10254177B2 (en) * 2016-09-14 2019-04-09 Nxp B.V. Temperature-to-digital converter
US10852758B2 (en) 2019-01-03 2020-12-01 Infineon Technologies Austria Ag Reference voltage generator
US11429125B1 (en) 2021-03-18 2022-08-30 Texas Instruments Incorporated Mitigation of voltage shift induced by mechanical stress in bandgap voltage reference circuits
CN115016589B (zh) * 2022-06-01 2023-11-10 南京英锐创电子科技有限公司 带隙基准电路

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071813A (en) * 1974-09-23 1978-01-31 National Semiconductor Corporation Temperature sensor
US4176308A (en) * 1977-09-21 1979-11-27 National Semiconductor Corporation Voltage regulator and current regulator
US4165478A (en) * 1977-09-21 1979-08-21 General Electric Company Reference voltage source with temperature-stable MOSFET amplifier
US4191900A (en) * 1978-01-27 1980-03-04 National Semiconductor Corporation Precision plural input voltage amplifier and comparator
US4249122A (en) * 1978-07-27 1981-02-03 National Semiconductor Corporation Temperature compensated bandgap IC voltage references
US4210872A (en) * 1978-09-08 1980-07-01 American Microsystems, Inc. High pass switched capacitor filter section
US4287439A (en) * 1979-04-30 1981-09-01 Motorola, Inc. MOS Bandgap reference
US4263519A (en) * 1979-06-28 1981-04-21 Rca Corporation Bandgap reference
US4317054A (en) * 1980-02-07 1982-02-23 Mostek Corporation Bandgap voltage reference employing sub-surface current using a standard CMOS process
US4295089A (en) * 1980-06-12 1981-10-13 Gte Laboratories Incorporated Methods of and apparatus for generating reference voltages
US4307333A (en) * 1980-07-29 1981-12-22 Sperry Corporation Two way regulating circuit
US4325018A (en) * 1980-08-14 1982-04-13 Rca Corporation Temperature-correction network with multiple corrections as for extrapolated band-gap voltage reference circuits

Also Published As

Publication number Publication date
US4375595A (en) 1983-03-01
EP0070315B1 (de) 1986-09-17
EP0070315A1 (de) 1983-01-26
WO1982002806A1 (en) 1982-08-19
CA1178338A (en) 1984-11-20
IT8247697A0 (it) 1982-02-01
IT1150382B (it) 1986-12-10
JPH0412486B2 (de) 1992-03-04
SG75988G (en) 1989-03-23
JPS58500045A (ja) 1983-01-06
EP0070315A4 (de) 1983-06-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee