DE60122669T2 - A/D-Wandler - Google Patents

A/D-Wandler Download PDF

Info

Publication number
DE60122669T2
DE60122669T2 DE60122669T DE60122669T DE60122669T2 DE 60122669 T2 DE60122669 T2 DE 60122669T2 DE 60122669 T DE60122669 T DE 60122669T DE 60122669 T DE60122669 T DE 60122669T DE 60122669 T2 DE60122669 T2 DE 60122669T2
Authority
DE
Germany
Prior art keywords
differential
series
voltages
sample
stage
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
DE60122669T
Other languages
German (de)
English (en)
Other versions
DE60122669D1 (de
Inventor
Masato Kawasaki-shi Yoshioka
Sanroku Tsukamoto
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE60122669D1 publication Critical patent/DE60122669D1/de
Publication of DE60122669T2 publication Critical patent/DE60122669T2/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
    • H03M1/12—Analogue/digital converters
    • H03M1/1205—Multiplexed conversion systems
    • H03M1/121—Interleaved, i.e. using multiple converters or converter parts for one channel
    • H03M1/1215—Interleaved, i.e. using multiple converters or converter parts for one channel using time-division multiplexing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/0617—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence
    • H03M1/0675—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence using redundancy
    • H03M1/069—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence using redundancy by range overlap between successive stages or steps
    • 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
    • H03M1/10—Calibration or testing
    • H03M1/1009—Calibration
    • H03M1/1014—Calibration at one point of the transfer characteristic, i.e. by adjusting a single reference value, e.g. bias or gain error
    • H03M1/1023—Offset correction
    • 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
    • H03M1/14—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit
    • H03M1/145—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit the steps being performed sequentially in series-connected stages
    • H03M1/146—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit the steps being performed sequentially in series-connected stages all stages being simultaneous converters
    • 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
    • H03M1/20—Increasing resolution using an n bit system to obtain n + m bits
    • H03M1/202—Increasing resolution using an n bit system to obtain n + m bits by interpolation
    • H03M1/203—Increasing resolution using an n bit system to obtain n + m bits by interpolation using an analogue interpolation circuit
    • H03M1/204—Increasing resolution using an n bit system to obtain n + m bits by interpolation using an analogue interpolation circuit in which one or more virtual intermediate reference signals are generated between adjacent original reference signals, e.g. by connecting pre-amplifier outputs to multiple comparators
    • H03M1/205—Increasing resolution using an n bit system to obtain n + m bits by interpolation using an analogue interpolation circuit in which one or more virtual intermediate reference signals are generated between adjacent original reference signals, e.g. by connecting pre-amplifier outputs to multiple comparators using resistor strings for redistribution of the original reference signals or signals derived therefrom
    • 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)
DE60122669T 2001-03-09 2001-11-20 A/D-Wandler Expired - Fee Related DE60122669T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001067049A JP2002271201A (ja) 2001-03-09 2001-03-09 Ａ／ｄ変換器
JP2001067049 2001-03-09

Publications (2)

Publication Number Publication Date
DE60122669D1 DE60122669D1 (de) 2006-10-12
DE60122669T2 true DE60122669T2 (de) 2007-09-20

Family

ID=18925457

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60122669T Expired - Fee Related DE60122669T2 (de) 2001-03-09 2001-11-20 A/D-Wandler

Country Status (4)

Country Link
US (1) US6480132B1 (enExample)
EP (1) EP1239593B1 (enExample)
JP (1) JP2002271201A (enExample)
DE (1) DE60122669T2 (enExample)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW564598B (en) * 2001-07-13 2003-12-01 Via Tech Inc Data converter using active interpolation in background auto-zeroing
JP3851870B2 (ja) * 2002-12-27 2006-11-29 株式会社東芝 可変分解能ａ／ｄ変換器
US7821555B2 (en) * 2003-04-21 2010-10-26 Micron Technology, Inc. Multi path power for CMOS imagers
DE10337042B4 (de) * 2003-08-12 2007-08-09 Infineon Technologies Ag Verfahren zur Umsetzung eines analogen Eingangssignals und Analog-Digital-Wandler
JP4529007B2 (ja) * 2004-09-02 2010-08-25 ルネサスエレクトロニクス株式会社 半導体集積回路装置
US8059019B2 (en) * 2005-01-25 2011-11-15 Atmel Corporation Method and system for minimizing the accumulated offset error for an analog to digital converter
ITRM20050086A1 (it) * 2005-02-28 2006-09-01 Uni Degli Studi Di Roma Tor Vergata Convertitore analogico digitale.
US7394417B2 (en) * 2005-06-10 2008-07-01 Matsushita Electric Industrial Co., Ltd. A/D converter
CN101310445A (zh) * 2005-11-17 2008-11-19 Nxp股份有限公司 折叠电路
US7602326B2 (en) * 2006-01-20 2009-10-13 Oki Semiconductor Co., Ltd. Digital-to-analog converter having resistor string with ranges to reduce circuit elements
JP4639153B2 (ja) * 2006-01-20 2011-02-23 Ｏｋｉセミコンダクタ株式会社 ディジタル・アナログ変換器
KR101092116B1 (ko) * 2007-02-22 2011-12-12 후지쯔 가부시끼가이샤 아날로그 신호 처리 장치
WO2008146450A1 (ja) * 2007-05-29 2008-12-04 Mitsubishi Electric Corporation アナログ入力装置
JP5047699B2 (ja) * 2007-06-08 2012-10-10 ルネサスエレクトロニクス株式会社 増幅回路、デジタルアナログ変換回路及び表示装置
FR2922388B1 (fr) * 2007-10-12 2013-03-29 Commissariat Energie Atomique Quantificateur, convertisseur analogique-numerique comprenant un tel quantificateur, et recepteur ultra-large bande integrant un tel convertisseur
US7649488B1 (en) * 2008-06-25 2010-01-19 Aptina Imaging Corporation Low-power column parallel cyclic analog-to-digital converter
JP2011109560A (ja) * 2009-11-20 2011-06-02 Fujitsu Semiconductor Ltd アナログデジタル変換回路
US9077386B1 (en) 2010-05-20 2015-07-07 Kandou Labs, S.A. Methods and systems for selection of unions of vector signaling codes for power and pin efficient chip-to-chip communication
US9288082B1 (en) 2010-05-20 2016-03-15 Kandou Labs, S.A. Circuits for efficient detection of vector signaling codes for chip-to-chip communication using sums of differences
JP2012163434A (ja) * 2011-02-07 2012-08-30 Rohm Co Ltd 電池残量の検出回路、検出方法およびそれを用いた電子機器
US10003315B2 (en) 2016-01-25 2018-06-19 Kandou Labs S.A. Voltage sampler driver with enhanced high-frequency gain
US10003454B2 (en) 2016-04-22 2018-06-19 Kandou Labs, S.A. Sampler with low input kickback
WO2017185070A1 (en) 2016-04-22 2017-10-26 Kandou Labs, S.A. Calibration apparatus and method for sampler with adjustable high frequency gain
US10056903B2 (en) 2016-04-28 2018-08-21 Kandou Labs, S.A. Low power multilevel driver
US10200218B2 (en) 2016-10-24 2019-02-05 Kandou Labs, S.A. Multi-stage sampler with increased gain
WO2018217786A1 (en) * 2017-05-22 2018-11-29 Kandou Labs, S.A. Multi-stage sampler with increased gain
EP3808044A1 (en) 2018-06-12 2021-04-21 Kandou Labs, S.A. Passive multi-input comparator for orthogonal codes on a multi-wire bus
US10931249B2 (en) 2018-06-12 2021-02-23 Kandou Labs, S.A. Amplifier with adjustable high-frequency gain using varactor diodes
WO2020055888A1 (en) 2018-09-10 2020-03-19 Kandou Labs, S.A. Programmable continuous time linear equalizer having stabilized high-frequency peaking for controlling operating current of a slicer
US10574487B1 (en) 2019-04-08 2020-02-25 Kandou Labs, S.A. Sampler offset calibration during operation
US10721106B1 (en) 2019-04-08 2020-07-21 Kandou Labs, S.A. Adaptive continuous time linear equalization and channel bandwidth control
US10680634B1 (en) 2019-04-08 2020-06-09 Kandou Labs, S.A. Dynamic integration time adjustment of a clocked data sampler using a static analog calibration circuit
US10608849B1 (en) 2019-04-08 2020-03-31 Kandou Labs, S.A. Variable gain amplifier and sampler offset calibration without clock recovery
US11303484B1 (en) 2021-04-02 2022-04-12 Kandou Labs SA Continuous time linear equalization and bandwidth adaptation using asynchronous sampling
US11405006B1 (en) * 2021-04-08 2022-08-02 Pixart Imaging Inc. Amplifying circuit and optical navigation device
US11374800B1 (en) 2021-04-14 2022-06-28 Kandou Labs SA Continuous time linear equalization and bandwidth adaptation using peak detector
US11456708B1 (en) 2021-04-30 2022-09-27 Kandou Labs SA Reference generation circuit for maintaining temperature-tracked linearity in amplifier with adjustable high-frequency gain
US12355409B2 (en) 2022-03-24 2025-07-08 Kandou Labs SA Variable gain amplifier with cross-coupled common mode reduction
CN114944843A (zh) * 2022-05-16 2022-08-26 苏州芈图光电技术有限公司 一种基于adc电路的信号数字化方法和装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0810830B2 (ja) * 1987-03-04 1996-01-31 株式会社東芝 アナログ―ディジタル変換器
US5151700A (en) * 1989-08-04 1992-09-29 Matsushita Electric Industrial Co., Ltd. Serial-parallel type a/d converter
JP3216830B2 (ja) * 1992-06-30 2001-10-09 ソニー株式会社 アナログ信号比較回路
JPH0774635A (ja) * 1993-07-02 1995-03-17 Mitsubishi Electric Corp アナログ・デジタル変換装置
JP3920443B2 (ja) * 1998-02-27 2007-05-30 株式会社ルネサステクノロジ Ａ／ｄ変換回路
US6281828B1 (en) * 1998-03-19 2001-08-28 Kabushiki Kaisha Toshiba Analog/digital converter apparatus
US6239733B1 (en) * 1999-05-28 2001-05-29 United Microelectronics Corp. Current interpolation circuit for use in an A/D converter

Also Published As

Publication number Publication date
EP1239593A2 (en) 2002-09-11
EP1239593A3 (en) 2004-01-21
JP2002271201A (ja) 2002-09-20
DE60122669D1 (de) 2006-10-12
EP1239593B1 (en) 2006-08-30
US6480132B1 (en) 2002-11-12
US20020158789A1 (en) 2002-10-31

Similar Documents

Publication Publication Date Title
DE60122669T2 (de) A/D-Wandler
DE10004996C2 (de) Vorrichtung und Verfahren zur Selbstkalibrierung von Faltungs-Analog/Digitalwandlern
DE69519091T2 (de) Cmos niederspannungskomparator
DE69325523T2 (de) Analog-Digital-Wandler
DE19732840C2 (de) Pipeline-Analog-Digital-Wandler
DE69008360T2 (de) Paralleler ad-wandler mit 2n-1-vergleichern.
DE3854582T2 (de) AD-Wandler.
DE19850656C2 (de) A/D-Wandler und A/D-Umwandlungsschaltung
DE69130933T2 (de) Schrittweise annähenrnder Analog-Digital-Wandler sowie Verfahren dazu
DE19958049B4 (de) Transkonduktor und Strommodus D/A-Wandler
DE69327602T2 (de) Analog-/Digitalumsetzer mit Kapazitätsnetzwerk
DE69222893T2 (de) Digital-Analog-Umsetzer mit Widerstandsnetzwerken
DE19946750A1 (de) Zweischritt-Analog-Digital-Wandler und -Verfahren
DE69836329T2 (de) Schneller und hochverstärkender operationsverstärker
DE10344354B4 (de) Analog-Digital-Wandler und Verfahren zum Betreiben eines Analog-Digital-Wandlers
DE68926171T2 (de) Digital-Analogwandler
DE69029111T2 (de) Seriell-Paralleler Analog/Digital Konverter
DE112018004698B4 (de) Verfahren und vorrichtung zur unterstützung eines breiten eingangsgleichtaktbereichs in sar-adcs ohne zusätzliche aktive schaltung
DE102011006760B4 (de) A/D-Wandlervorrichtung und Signalverarbeitungseinheit hiermit
WO2003039005A2 (de) Digital-analog-umsetzer-vorrichtung mit hoher auflösung
DE60017937T2 (de) Digital zu analog-wandler
DE10112777A1 (de) D/A-Umsetzungsgerät
DE4004546A1 (de) Differentieller analog-digitalumsetzer
DE69727981T2 (de) Digital-zu-analog konversion
DE60309101T2 (de) Interpolationsschaltung mit einem Korrektionsbereich für Wandlungsfehler bei den Bits höherer Ordnung und A/D-Wandlerschaltung mit einer solchen Schaltung

Legal Events

Date Code Title Description
8381 Inventor (new situation)

Inventor name: YOSHIOKA, MASATO, KAWASAKI-SHI, KANAGAWA 211-8, JP

Inventor name: TSUKAMOTO, SANROKU, 63303 DREIEICH, DE

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee