DE69528169D1 - Automatische kalibrierungsschaltung mit einer referenzskala für einen digital-analogen wandler - Google Patents

Automatische kalibrierungsschaltung mit einer referenzskala für einen digital-analogen wandler

Info

Publication number
DE69528169D1
DE69528169D1 DE69528169T DE69528169T DE69528169D1 DE 69528169 D1 DE69528169 D1 DE 69528169D1 DE 69528169 T DE69528169 T DE 69528169T DE 69528169 T DE69528169 T DE 69528169T DE 69528169 D1 DE69528169 D1 DE 69528169D1
Authority
DE
Germany
Prior art keywords
digital
analog converter
calibration circuit
automatic calibration
reference scale
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
DE69528169T
Other languages
English (en)
Other versions
DE69528169T2 (de
Inventor
J Sauer
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.)
Sarnoff Corp
Original Assignee
Sarnoff Corp
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 Sarnoff Corp filed Critical Sarnoff Corp
Publication of DE69528169D1 publication Critical patent/DE69528169D1/de
Application granted granted Critical
Publication of DE69528169T2 publication Critical patent/DE69528169T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/10—Calibration or testing
    • H03M1/1004—Calibration or testing without interrupting normal operation, e.g. by providing an additional component for temporarily replacing components to be tested or calibrated
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/34—Analogue value compared with reference values
    • H03M1/36—Analogue value compared with reference values simultaneously only, i.e. parallel type
    • H03M1/361—Analogue value compared with reference values simultaneously only, i.e. parallel type having a separate comparator and reference value for each quantisation level, i.e. full flash converter type
    • H03M1/362—Analogue value compared with reference values simultaneously only, i.e. parallel type having a separate comparator and reference value for each quantisation level, i.e. full flash converter type the reference values being generated by a resistive voltage divider
    • H03M1/365—Analogue value compared with reference values simultaneously only, i.e. parallel type having a separate comparator and reference value for each quantisation level, i.e. full flash converter type the reference values being generated by a resistive voltage divider the voltage divider being a single resistor string

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
DE69528169T 1994-05-20 1995-05-19 Automatische kalibrierungsschaltung mit einer referenzskala für einen digital-analogen wandler Expired - Fee Related DE69528169T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/247,155 US5471208A (en) 1994-05-20 1994-05-20 Reference ladder auto-calibration circuit for an analog to digital converter
PCT/US1995/006135 WO1995032552A1 (en) 1994-05-20 1995-05-19 Reference ladder auto-calibration circuit for an analog to digital converter

Publications (2)

Publication Number Publication Date
DE69528169D1 true DE69528169D1 (de) 2002-10-17
DE69528169T2 DE69528169T2 (de) 2003-01-09

Family

ID=22933798

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69528169T Expired - Fee Related DE69528169T2 (de) 1994-05-20 1995-05-19 Automatische kalibrierungsschaltung mit einer referenzskala für einen digital-analogen wandler

Country Status (5)

Country Link
US (1) US5471208A (de)
EP (1) EP0760181B1 (de)
JP (1) JPH10500821A (de)
DE (1) DE69528169T2 (de)
WO (1) WO1995032552A1 (de)

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KR0170681B1 (ko) * 1995-08-09 1999-03-20 김광호 Rll코드 데이터를 위한 부호화 및 복호화장치
EP0782193A1 (de) 1995-12-15 1997-07-02 Lucent Technologies Inc. Selbstanpassende Widerstandsabgleichschaltung
TW382858B (en) * 1998-03-10 2000-02-21 Winbond Elelctronics Corp Device for providing multiple reference voltages
JP3857450B2 (ja) * 1999-01-19 2006-12-13 株式会社東芝 逐次比較型アナログ・ディジタル変換回路
US6369740B1 (en) * 1999-10-22 2002-04-09 Eric J. Swanson Programmable gain preamplifier coupled to an analog to digital converter
US6608580B2 (en) * 2001-02-15 2003-08-19 Sarnoff Corporation Differential analog-to-digital converter
US6608582B2 (en) * 2001-06-29 2003-08-19 Intel Corporation A/D conversion using a variable offset comparator
US6617926B2 (en) 2001-06-29 2003-09-09 Intel Corporation Tail current node equalization for a variable offset amplifier
US7342681B2 (en) * 2001-07-13 2008-03-11 Transpacific Ip, Ltd High-speed calibration method and system for an image-capture apparatus
US7312734B2 (en) * 2005-02-07 2007-12-25 Analog Devices, Inc. Calibratable analog-to-digital converter system
US7372389B2 (en) * 2006-09-15 2008-05-13 Jennic Limited Analogue to digital converter, and method of analogue to digital conversion
US7382305B1 (en) 2007-02-26 2008-06-03 Analog Devices, Inc. Reference generators for enhanced signal converter accuracy
US7782234B2 (en) * 2007-05-31 2010-08-24 Analog Devices, Inc. Successive approximation analog-to-digital converter with inbuilt redundancy
US7978105B2 (en) * 2009-01-20 2011-07-12 Marvell International Ltd. Current sensing and background calibration to match two resistor ladders
JP2011211371A (ja) * 2010-03-29 2011-10-20 Panasonic Corp 逐次比較型ａｄ変換器用クロック生成回路
CN102158231B (zh) * 2011-03-15 2016-01-20 上海华虹宏力半导体制造有限公司 逐次逼近型模数转换器
US8901937B2 (en) * 2011-10-18 2014-12-02 Analog Devices, Inc. Foreground techniques for comparator calibration
US8928518B1 (en) * 2013-08-30 2015-01-06 Keysight Technologies, Inc. Charge-redistribution SAR ADC with sample-independent reference current
CN106506006B (zh) * 2016-12-20 2023-11-14 合肥芯福科技有限公司 一种生物电传感器的专用采样误差校准电路及其校准方法
CN108880544B (zh) * 2018-05-28 2021-08-17 电子科技大学 一种多器件数据同步的自校正方法
US11478166B2 (en) 2020-06-26 2022-10-25 J. Brasch Co., Llc Calibrating a sensing device for improved analog-to-digital converter resolution utilization

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US4228423A (en) * 1977-12-30 1980-10-14 The United States Of America As Represented By The Secretary Of The Air Force Offset correction apparatus for a successive approximation A/D converter
US4262221A (en) * 1979-03-09 1981-04-14 Rca Corporation Voltage comparator
US4385286A (en) * 1980-07-18 1983-05-24 American Microsystems, Inc. Use of single reference voltage for analog to digital or digital to analog conversion of bipolar signals
JPS5728429A (en) * 1980-07-28 1982-02-16 Hitachi Ltd Signal converter
JPS57202128A (en) * 1981-06-08 1982-12-10 Victor Co Of Japan Ltd Analog-to-digital converting circuit
JPS58138122A (ja) * 1982-02-12 1983-08-16 Matsushita Electric Ind Co Ltd 並列型アナログ・デイジタル変換器
DE3276991D1 (en) * 1982-12-28 1987-09-17 Ibm Analog-digital converter
JPS59163912A (ja) * 1983-03-08 1984-09-17 Toshiba Corp Ｃ−ｒ型ｄａ変換器
US4620179A (en) * 1983-08-29 1986-10-28 Harris Corporation Method for successive approximation A/D conversion
JPH0652872B2 (ja) * 1983-12-21 1994-07-06 沖電気工業株式会社 ディジタルアナログ変換器
US4598269A (en) * 1984-06-13 1986-07-01 Tektronix, Inc. Method and apparatus for processing an analog signal
US4691189A (en) * 1986-05-23 1987-09-01 Rca Corporation Comparator with cascaded latches
JPH0761019B2 (ja) * 1986-06-19 1995-06-28 日本電気株式会社 アナログ・デイジタル変換器
JP2546251B2 (ja) * 1987-02-12 1996-10-23 ソニー株式会社 並列型ａ／ｄコンバ−タの直線性補償回路
JPS63224415A (ja) * 1987-03-13 1988-09-19 Toshiba Corp デイジタル−アナログ変換器
JPH01106517A (ja) * 1987-10-19 1989-04-24 Mitsubishi Electric Corp 比較回路
US4924225A (en) * 1988-01-28 1990-05-08 Harris Semiconductor Patents, Inc. Analog to digital converter with integral linearity error compensation and method of operation
ATE109325T1 (de) * 1988-09-30 1994-08-15 Siemens Ag Selbstkalibrierender a/d- und d/a-wandler.
CA2004317C (en) * 1988-12-07 1993-11-30 Noriyuki Tokuhiro Successive comparison type analog-to-digital converting apparatus
US4958155A (en) * 1989-01-31 1990-09-18 Zdzislaw Gulczynski Ultra fast digital-to-analog converter with independent bit current source calibration
US4940981A (en) * 1989-02-08 1990-07-10 Burr-Brown Corporation Dual analog-to-digital converter with single successive approximation register
US4989003A (en) * 1989-06-19 1991-01-29 Rca Corporation Autozeroed set comparator circuitry
US5032744A (en) * 1989-10-31 1991-07-16 Vlsi Technology, Inc. High speed comparator with offset cancellation
JPH042220A (ja) * 1990-04-18 1992-01-07 Mitsubishi Electric Corp 参照電圧発生回路
US5016014A (en) * 1990-06-14 1991-05-14 Ncr Corporation High accuracy analog-to-digital converter with rail-to-rail reference and input voltage ranges
US5136183A (en) * 1990-06-27 1992-08-04 Advanced Micro Devices, Inc. Integrated comparator circuit
GB9014679D0 (en) * 1990-07-02 1990-08-22 Sarnoff David Res Center Sequential successive approximation a/d converter
US5065045A (en) * 1990-10-04 1991-11-12 Atmel Corporation Multistage offset-cancelled voltage comparator
US5272481A (en) * 1991-07-02 1993-12-21 David Sarnoff Research Center, Inc. Successive approximation analog to digital converter employing plural feedback digital to analog converters

Also Published As

Publication number Publication date
JPH10500821A (ja) 1998-01-20
EP0760181A1 (de) 1997-03-05
EP0760181A4 (de) 1998-07-15
EP0760181B1 (de) 2002-09-11
WO1995032552A1 (en) 1995-11-30
DE69528169T2 (de) 2003-01-09
US5471208A (en) 1995-11-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee