ATE411646T1 - Hochpräziser analog/digital-umsetzer - Google Patents

Hochpräziser analog/digital-umsetzer

Info

Publication number
ATE411646T1
ATE411646T1 AT03721907T AT03721907T ATE411646T1 AT E411646 T1 ATE411646 T1 AT E411646T1 AT 03721907 T AT03721907 T AT 03721907T AT 03721907 T AT03721907 T AT 03721907T AT E411646 T1 ATE411646 T1 AT E411646T1
Authority
AT
Austria
Prior art keywords
capacitor
input
integration
digital converter
adc
Prior art date
Application number
AT03721907T
Other languages
English (en)
Inventor
Liusheng Liu
Guoxing Li
Original Assignee
O2Micro 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 O2Micro Inc filed Critical O2Micro Inc
Application granted granted Critical
Publication of ATE411646T1 publication Critical patent/ATE411646T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/322—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M3/324—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement
    • H03M3/326—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement by averaging out the errors
    • H03M3/338—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement by averaging out the errors by permutation in the time domain, e.g. dynamic element matching
    • H03M3/34—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement by averaging out the errors by permutation in the time domain, e.g. dynamic element matching by chopping
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
    • H03M3/412—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution
    • H03M3/422—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
    • H03M3/43—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a single bit one
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
    • H03M3/436—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type
    • H03M3/456—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a first order loop filter in the feedforward path

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Catalysts (AREA)
AT03721907T 2002-05-10 2003-04-30 Hochpräziser analog/digital-umsetzer ATE411646T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/142,503 US6744394B2 (en) 2002-05-10 2002-05-10 High precision analog to digital converter

Publications (1)

Publication Number Publication Date
ATE411646T1 true ATE411646T1 (de) 2008-10-15

Family

ID=29399917

Family Applications (2)

Application Number Title Priority Date Filing Date
AT03721907T ATE411646T1 (de) 2002-05-10 2003-04-30 Hochpräziser analog/digital-umsetzer
AT08166543T ATE528859T1 (de) 2002-05-10 2003-04-30 Hochgenauer analog-digital-wandler

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT08166543T ATE528859T1 (de) 2002-05-10 2003-04-30 Hochgenauer analog-digital-wandler

Country Status (8)

Country Link
US (3) US6744394B2 (de)
EP (2) EP1504532B1 (de)
CN (1) CN100471068C (de)
AT (2) ATE411646T1 (de)
AU (1) AU2003225193A1 (de)
DE (1) DE60324135D1 (de)
TW (1) TWI246826B (de)
WO (1) WO2003096541A1 (de)

Families Citing this family (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2350416A1 (en) * 2000-12-20 2002-06-20 Symagery Microsystems Inc. Image sensor with correlated double sampling technique using switched-capacitor technology
US20040131131A1 (en) * 2003-01-03 2004-07-08 Peach Charles T. Double-sampled, sample-and-hold circuit with downconversion
US20070257642A1 (en) * 2003-06-19 2007-11-08 Sean Xiao Battery cell monitoring and balancing circuit
US7081737B2 (en) * 2003-06-19 2006-07-25 O2Micro International Limited Battery cell monitoring and balancing circuit
US7068198B2 (en) * 2004-05-28 2006-06-27 Freescale Semiconductor, Inc. Double-sampled integrator system and method thereof
US7102558B2 (en) * 2004-08-20 2006-09-05 Microchip Technology Incorporated Five-level feed-back digital-to-analog converter for a switched capacitor sigma-delta analog-to-digital converter
KR101255862B1 (ko) * 2004-10-18 2013-04-17 리니어 테크놀러지 코포레이션 저감된 평균 입력 전류 및 저감된 평균 기준 전류를 갖는ａ/ｄ 컨버터
US7142037B2 (en) * 2004-12-01 2006-11-28 Analog Devices, Inc. Switched capacitor mutual charging system and method
DE102005038875A1 (de) * 2005-05-25 2006-11-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Kapazitätsmessschaltung
JP4302672B2 (ja) * 2005-07-14 2009-07-29 シャープ株式会社 Ａｄ変換器
US7439896B2 (en) * 2005-09-08 2008-10-21 Marvell World Trade Ltd. Capacitive digital to analog and analog to digital converters
US7167119B1 (en) * 2005-12-20 2007-01-23 Cirrus Logic, Inc. Delta-sigma modulators with double sampling input networks and systems using the same
US7242333B1 (en) * 2005-12-30 2007-07-10 Medtronic, Inc. Alternate sampling integrator
US7679422B1 (en) 2006-02-09 2010-03-16 Cypress Semiconductor Corporation Configurable switched capacitor block
US7454967B2 (en) * 2006-07-10 2008-11-25 Lv Sensors, Inc. Signal conditioning methods and circuits for a capacitive sensing integrated tire pressure sensor
TWI323570B (en) * 2006-08-04 2010-04-11 Realtek Semiconductor Corp Analog front end circuit and image processing device for video decoder
DE102006051364B4 (de) * 2006-10-27 2010-09-23 Sartorius Ag Messverstärkungsvorrichtung und -verfahren
US7456770B2 (en) * 2007-03-02 2008-11-25 Telefonaktiebolaget I.M. Ericsson (Publ) Distributed sigma-delta sensor network
WO2008151265A1 (en) * 2007-06-05 2008-12-11 Analog Devices, Inc. Cross-coupled switched capacitor circuit with a plurality of branches
US8185815B1 (en) * 2007-06-29 2012-05-22 Ambrosia Software, Inc. Live preview
US7750724B2 (en) * 2007-12-20 2010-07-06 Cirrus Logic, Inc. Temperature and process-stable magnetic field sensor bias current source
JP5347341B2 (ja) * 2008-06-06 2013-11-20 ソニー株式会社 固体撮像装置、撮像装置、電子機器、ａｄ変換装置、ａｄ変換方法
US7880653B2 (en) * 2009-01-30 2011-02-01 Freescale Semiconductor, Inc. Switched-capacitor circuits, integration systems, and methods of operation thereof
US7843232B2 (en) * 2009-02-27 2010-11-30 Atmel Corporation Dual mode, single ended to fully differential converter structure
US8237489B2 (en) * 2009-04-07 2012-08-07 Ite Tech. Inc. Capacitance interface circuit
TWI388849B (zh) * 2009-04-07 2013-03-11 Ite Tech Inc 電容介面電路
CN101888238B (zh) * 2009-05-15 2012-06-27 联阳半导体股份有限公司 电容介面电路
JP5321841B2 (ja) * 2010-01-26 2013-10-23 株式会社東芝 半導体集積回路
US8872478B2 (en) * 2010-03-09 2014-10-28 O2Micro Inc. Circuit and method for balancing battery cells
US8699717B2 (en) * 2010-05-28 2014-04-15 Fairchild Semiconductor Corporation Audio amplifier performance while maintaining USB compliance and power down protection
US8599053B2 (en) * 2010-12-22 2013-12-03 Microchip Technology Incorporated Switched-capacitance gain amplifier with improved input impedance
EP2700172B1 (de) * 2011-04-16 2018-03-28 ABB Schweiz AG Anordnung zum auslesen eines analogen spannungssignals
CN103138762B (zh) * 2011-11-30 2016-04-27 禾瑞亚科技股份有限公司 多阶取样保持电路
CN103837163A (zh) * 2012-11-26 2014-06-04 矽创电子股份有限公司 电容感测电路
TWI492133B (zh) * 2012-11-26 2015-07-11 電容感測電路
US9385739B1 (en) 2013-06-28 2016-07-05 Dennis Michael Koglin Matched charge exchange circuit for analog and digital conversion
US9059725B1 (en) * 2013-06-28 2015-06-16 Dennis Michael Koglin Matched charge exchange circuit for analog and digital conversion
CN103957010B (zh) * 2014-05-20 2016-10-12 石家庄数英仪器有限公司 一种高精度模数转换器及模数转换方法
JP6494196B2 (ja) * 2014-07-09 2019-04-03 オリンパス株式会社 サンプリング回路
CN105790748B (zh) * 2014-12-19 2018-10-19 原相科技股份有限公司 高精度的电容式开关
US9558845B2 (en) * 2015-03-25 2017-01-31 Qualcomm Incorporated Sampling network and clocking scheme for a switched-capacitor integrator
US9455733B1 (en) * 2015-03-30 2016-09-27 Broadcom Corporation System and method for spread spectrum ADC noise reduction
KR20170010515A (ko) * 2015-07-20 2017-02-01 삼성전자주식회사 적분기 및 sar adc를 포함하는 반도체 장치
US9729164B2 (en) * 2015-08-14 2017-08-08 Cirrus Logic, Inc. Dual processing paths for differential mode and common mode signals for an adaptable analog-to-digital converter (ADC) topology
JP6675882B2 (ja) * 2016-02-29 2020-04-08 エイブリック株式会社 スイッチドキャパシタ入力回路及びスイッチドキャパシタアンプ及びスイッチドキャパシタ電圧比較器
US9748969B1 (en) * 2016-04-14 2017-08-29 Infineon Technologies Ag Method of operation for an oversampled data converter
US10254177B2 (en) * 2016-09-14 2019-04-09 Nxp B.V. Temperature-to-digital converter
US10311962B2 (en) * 2017-02-23 2019-06-04 Mediatek Inc. Differential sampling circuit
US9866237B1 (en) * 2017-05-12 2018-01-09 Texas Instruments Incorporated Low power switched capacitor integrator, analog-to-digital converter and switched capacitor amplifier
EP3407498A1 (de) * 2017-05-24 2018-11-28 ams AG Mehrstufiger kapazitiver digital-analog-wandler zur verwendung in einem sigma-delta-modulator
EP3407499A1 (de) * 2017-05-24 2018-11-28 ams AG Integratorschaltung zur verwendung in einem sigma-delta modulator
EP3429083B1 (de) * 2017-07-13 2020-09-02 ams International AG Verfahren und schaltkreis zur stromintegration
JP7074446B2 (ja) * 2017-09-28 2022-05-24 エイブリック株式会社 Δς変調器
US10461771B2 (en) * 2018-03-20 2019-10-29 Texas Instruments Incorporated Sigma-delta analog-to-digital converter with multiple counters
EP3565124A1 (de) * 2018-05-03 2019-11-06 ams AG Delta-sigma-modulator mit automatischer verstärkungsregelung in der rückkopplungsschleife
CN109084911B (zh) * 2018-09-12 2024-02-20 上海艾为电子技术股份有限公司 温度检测采样电路及音频放大器芯片
US11105858B2 (en) 2018-10-03 2021-08-31 O2Micro Inc. Predicting a potential fault in a battery
CN109660248B (zh) * 2018-12-11 2023-03-24 中山芯达电子科技有限公司 一种高精度以太网物理层转换电路
WO2020181485A1 (zh) * 2019-03-12 2020-09-17 深圳市汇顶科技股份有限公司 模数转换器以及相关芯片
CN110068394A (zh) * 2019-04-08 2019-07-30 上海艾为电子技术股份有限公司 一种芯片温度检测电路和音频功率放大器
US11233522B2 (en) * 2020-05-28 2022-01-25 Semiconductor Components Industries, Llc High-speed successive approximation analog-to-digital converter with improved mismatch tolerance
CN111682853B (zh) * 2020-06-15 2023-05-16 电子科技大学 一种电容耦合斩波放大器的交替电容网络
CN111953348B (zh) * 2020-07-15 2024-03-22 矽力杰半导体技术(杭州)有限公司 积分器和模数转换器

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3810152A (en) * 1972-10-13 1974-05-07 Becton Dickinson Co Method and apparatus for conversion of a variable resistance to a time modulated signal and for analogue restoration
EP0169535B1 (de) * 1984-07-23 1992-06-10 Nec Corporation Analog-Digital-Wandler
JPH0779243B2 (ja) 1987-04-10 1995-08-23 日本電気株式会社 オ−バ−サンプル形ａ／ｄ変換器
JP2647136B2 (ja) 1988-05-13 1997-08-27 株式会社東芝 アナログ−デジタル変換回路
US4939516B1 (en) * 1988-06-13 1993-10-26 Crystal Semiconductor Corporation Chopper stabilized delta-sigma analog-to-digital converter
EP0396786B1 (de) 1989-05-08 1994-01-26 Siemens Aktiengesellschaft Integrierbarer Sigma-Delta-Modulator in Switched-Capacitor-Technik
US5079550A (en) * 1989-10-27 1992-01-07 Crystal Semiconductor Corporation Combining continuous time and discrete time signal processing in a delta-sigma modulator
IE901815A1 (en) * 1990-05-21 1991-12-04 Univ Cork An analog to digital converter
GB2252829B (en) * 1991-02-15 1994-10-19 Crystal Semiconductor Corp Method and apparatus for decreasing the interference and noise sensitivity of a ratiometric converter type of circuit
US5229772A (en) * 1992-02-03 1993-07-20 Integrated Semiconductor Solutions Ratiometric ADC with pulse width modulated output for wide temperature range applications
DE4301704A1 (de) * 1993-01-22 1994-07-28 Siemens Ag Vorrichtung zum Erfassen einer Winkelposition eines Objektes
US5323158A (en) * 1993-04-06 1994-06-21 Analog Devices, Inc. Switched capacitor one-bit digital-to-analog converter
US5495200A (en) * 1993-04-06 1996-02-27 Analog Devices, Inc. Double sampled biquad switched capacitor filter
US5392042A (en) * 1993-08-05 1995-02-21 Martin Marietta Corporation Sigma-delta analog-to-digital converter with filtration having controlled pole-zero locations, and apparatus therefor
US5392043A (en) * 1993-10-04 1995-02-21 General Electric Company Double-rate sampled signal integrator
US5408235A (en) * 1994-03-07 1995-04-18 Intel Corporation Second order Sigma-Delta based analog to digital converter having superior analog components and having a programmable comb filter coupled to the digital signal processor
US5719573A (en) * 1995-06-01 1998-02-17 Cirrus Logic, Inc. Analog modulator for A/D converter utilizing leap-frog filter
KR970024434A (ko) * 1995-10-12 1997-05-30 김광호 겸용 배터리 충전기와 그 제어 방법
US5920275A (en) * 1996-09-09 1999-07-06 Iowa State University Research Foundation, Inc. Analog-to-digital converter using weighted capacitor array and interpolating comparator
US5894284A (en) * 1996-12-02 1999-04-13 Motorola, Inc. Common-mode output sensing circuit
US5982313A (en) * 1997-06-06 1999-11-09 Analog Devices, Inc. High speed sigma-delta analog-to-digital converter system
US5959562A (en) * 1997-09-03 1999-09-28 Analog Devices, Inc. Sigma-delta modulator and method for operating such modulator
US6061008A (en) * 1997-12-19 2000-05-09 Rockwell Science Center, Inc. Sigma-delta-sigma modulator for high performance analog-to-digital and digital-to-analog conversion
US6040793A (en) * 1998-03-18 2000-03-21 Analog Devices, Inc. Switched-capacitor sigma-delta analog-to-digital converter with input voltage overload protection
US6130633A (en) * 1998-06-02 2000-10-10 Cirrus Logic, Inc. Multibit digital to analog converter with feedback across the discrete time/continuous time interface
US6121910A (en) * 1998-07-17 2000-09-19 The Trustees Of Columbia University In The City Of New York Frequency translating sigma-delta modulator
IT1313383B1 (it) * 1999-03-19 2002-07-23 St Microelectronics Srl Struttura efficiente di integratore a capacita' commutate integrato
FR2805940B1 (fr) * 2000-03-01 2002-05-31 France Telecom Systeme de correction du cna pour modulateur delta sigma
US6538588B1 (en) * 2000-09-18 2003-03-25 Qualcomm, Incorporated Multi-sampling Σ-Δ analog-to-digital converter
US6437720B1 (en) * 2001-02-16 2002-08-20 Conexant Systems, Inc. Code independent charge transfer scheme for switched-capacitor digital-to-analog converter
US6400302B1 (en) * 2001-02-26 2002-06-04 Analog Devices, Inc. Quasi-differential successive-approximation structures and methods for converting analog signals into corresponding digital signals
US6396428B1 (en) * 2001-06-04 2002-05-28 Raytheon Company Continuous time bandpass delta sigma modulator ADC architecture with feedforward signal compensation
US6509790B1 (en) * 2001-07-12 2003-01-21 Cirrus Logic, Inc. Switched-capacitor circuits and methods with improved settling time and systems using the same
US6630898B1 (en) * 2001-08-14 2003-10-07 National Semiconductor Corporation Low voltage, unit delay quantizer with feedforward auto-zero mechanism
US6593870B2 (en) * 2001-10-18 2003-07-15 Rockwell Automation Technologies, Inc. MEMS-based electrically isolated analog-to-digital converter
US6714886B2 (en) * 2002-02-13 2004-03-30 Eric C. Sung System and method of DC calibration of amplifiers

Also Published As

Publication number Publication date
US7161520B2 (en) 2007-01-09
WO2003096541A1 (en) 2003-11-20
US20030210166A1 (en) 2003-11-13
EP2026468A2 (de) 2009-02-18
TWI246826B (en) 2006-01-01
ATE528859T1 (de) 2011-10-15
EP1504532B1 (de) 2008-10-15
EP1504532A4 (de) 2005-07-20
EP2026468B1 (de) 2011-10-12
US20050219105A1 (en) 2005-10-06
EP1504532A1 (de) 2005-02-09
AU2003225193A1 (en) 2003-11-11
US6744394B2 (en) 2004-06-01
US7196652B2 (en) 2007-03-27
CN1653695A (zh) 2005-08-10
EP2026468A3 (de) 2009-08-12
DE60324135D1 (de) 2008-11-27
CN100471068C (zh) 2009-03-18
US20040201511A1 (en) 2004-10-14
TW200409472A (en) 2004-06-01

Similar Documents

Publication Publication Date Title
ATE411646T1 (de) Hochpräziser analog/digital-umsetzer
US7345615B2 (en) Cyclic multi-bit A/D conversion array and image sensor
KR101396721B1 (ko) 촬상 장치 및 카메라
EP1239593A3 (de) A/D-Wandler
WO2006044992A3 (en) Analog-to-digital converter with reduced average input current and reduced average reference current
DE60216302D1 (de) Zyklischer analog-digital wandler mit niedrigem leistungsverbrauch
US20060176205A1 (en) Two-stage a/d converter and image sensor using the same
JPH098604A (ja) スイッチドキャパシタ利得段
BR0312079A (pt) filtragem aplicável a sistemas de conversão digital/analógico
AU2003210085A1 (en) Comparator offset calibration for a/d converters
EP1146648A3 (de) Delta-Sigma Analog-Digital-Wandler
DE69915251D1 (de) Analog-Digital-Wandler mit Eintakteingang
US20110254716A1 (en) A/d converter device and signal processing unit
KR970705873A (ko) 아날로그-디지탈 변환기 보정 시스템(system for calibrating analog-to digital converter)
TW200603395A (en) Sub-ranging pipelined charge-domain analog-to-digital converter with improved resolution and reduced power consumption
TW201320614A (zh) 具有雙重積分電容器系統的類比至數位轉換器
CN107306135A (zh) 数字模拟转换器的校正电路及校正方法
DE60143808D1 (de) Verfahren und vorrichtung zur analog/digital-umsetzung
EP1202459A3 (de) Segmentierte Schaltungsanordnung
US7414556B2 (en) Analog-to-digital converter
KR20130054588A (ko) 샘플링 정확도를 증가시키기 위한 아날로그 리셋 회로를 적용시킨 시그마-델타 아날로그-디지털 컨버터
EP0304277A3 (de) Taktierungs- und Steuerungsschaltungsanordnung für parallele Analog-digitalwandler mit dynamischen Kodierern
JPH0682399B2 (ja) 積分回路
TWI742563B (zh) 感測訊號的運算方法
JPS58107721A (ja) アナログ・ディジタル変換器

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties