ATE498244T1 - Digital/analog-umsetzer mit fünfstufiger rückkopplung für einen switched-capacitor-sigma- delta-analog/digital-umsetzer - Google Patents

Digital/analog-umsetzer mit fünfstufiger rückkopplung für einen switched-capacitor-sigma- delta-analog/digital-umsetzer

Info

Publication number
ATE498244T1
ATE498244T1 AT05779768T AT05779768T ATE498244T1 AT E498244 T1 ATE498244 T1 AT E498244T1 AT 05779768 T AT05779768 T AT 05779768T AT 05779768 T AT05779768 T AT 05779768T AT E498244 T1 ATE498244 T1 AT E498244T1
Authority
AT
Austria
Prior art keywords
smallcaps
ref
digital
converter
analog
Prior art date
Application number
AT05779768T
Other languages
English (en)
Inventor
Philippe Deval
Original Assignee
Microchip Tech 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 Microchip Tech Inc filed Critical Microchip Tech Inc
Application granted granted Critical
Publication of ATE498244T1 publication Critical patent/ATE498244T1/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
    • H03M3/39—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
    • H03M3/434—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 with multi-level feedback
    • 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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
AT05779768T 2004-08-20 2005-08-10 Digital/analog-umsetzer mit fünfstufiger rückkopplung für einen switched-capacitor-sigma- delta-analog/digital-umsetzer ATE498244T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US60323404P 2004-08-20 2004-08-20
US11/195,280 US7102558B2 (en) 2004-08-20 2005-08-02 Five-level feed-back digital-to-analog converter for a switched capacitor sigma-delta analog-to-digital converter
PCT/US2005/028519 WO2006023355A1 (en) 2004-08-20 2005-08-10 Five-level feed-back digital-to-analog converter for a switched capacitor sigma-delta analog-to-digital converter

Publications (1)

Publication Number Publication Date
ATE498244T1 true ATE498244T1 (de) 2011-02-15

Family

ID=35134571

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05779768T ATE498244T1 (de) 2004-08-20 2005-08-10 Digital/analog-umsetzer mit fünfstufiger rückkopplung für einen switched-capacitor-sigma- delta-analog/digital-umsetzer

Country Status (6)

Country Link
US (1) US7102558B2 (de)
EP (1) EP1784918B1 (de)
AT (1) ATE498244T1 (de)
DE (1) DE602005026298D1 (de)
TW (1) TWI321404B (de)
WO (1) WO2006023355A1 (de)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100660886B1 (ko) * 2005-11-08 2006-12-26 삼성전자주식회사 커패시터와 ｏｐ 앰프를 이용하는 디지털 아날로그 컨버터
US7388533B2 (en) * 2005-12-06 2008-06-17 Electronics And Telecommunications Research Institute Multi-bit sigma-delta modulator and digital-to-analog converter with one digital-to-analog capacitor
KR100782324B1 (ko) * 2006-02-03 2007-12-06 삼성전자주식회사 씨모스 이미지 센서의 아날로그 디지털 변환기 및 아날로그디지털 변환 방법
CN100428631C (zh) * 2006-06-23 2008-10-22 清华大学 一种基于电容配对的降低模数转换器电容失配误差的方法
US7538705B2 (en) * 2006-07-25 2009-05-26 Microchip Technology Incorporated Offset cancellation and reduced source induced 1/f noise of voltage reference by using bit stream from over-sampling analog-to-digital converter
US7663525B2 (en) * 2006-08-03 2010-02-16 Mediatek Inc. Digital to analog converter and conversion method
US7623053B2 (en) * 2007-09-26 2009-11-24 Medtronic, Inc. Implantable medical device with low power delta-sigma analog-to-digital converter
US7714757B2 (en) * 2007-09-26 2010-05-11 Medtronic, Inc. Chopper-stabilized analog-to-digital converter
US7479910B1 (en) 2007-09-26 2009-01-20 Medtronic, Inc. Capacitive digital-to-analog converter reset in an implantable medical device analog-to-digital converter
US7474247B1 (en) 2007-09-26 2009-01-06 Medtronic, Inc. Detecting overloading of an analog-to-digital converter of an implantable medical device
US7994958B2 (en) * 2008-10-23 2011-08-09 Microchip Technology Incorporated Multi-level feed-back digital-to-analog converter using a chopper voltage reference for a switched capacitor sigma-delta analog-to-digital converter
US7961125B2 (en) 2008-10-23 2011-06-14 Microchip Technology Incorporated Method and apparatus for dithering in multi-bit sigma-delta digital-to-analog converters
US7843232B2 (en) * 2009-02-27 2010-11-30 Atmel Corporation Dual mode, single ended to fully differential converter structure
WO2010119456A2 (en) * 2009-04-03 2010-10-21 Secretary, Department Of Information Technology (Dit) Method and apparatus for low power continuous time delta sigma modulation
TWI467918B (zh) * 2010-06-09 2015-01-01 Ite Tech Inc 電容介面電路
US8339299B2 (en) * 2009-07-16 2012-12-25 Microchip Technology Incorporated 2-phase gain calibration and scaling scheme for switched capacitor sigma-delta modulator using a chopper voltage reference
US8223053B2 (en) 2009-07-16 2012-07-17 Microchip Technology Incorporated 2-phase gain calibration and scaling scheme for switched capacitor sigma-delta modulator
JP5503271B2 (ja) * 2009-12-09 2014-05-28 キヤノン株式会社 入力回路及びそれを備えたアナログ／デジタルコンバータ
JP5755850B2 (ja) * 2010-07-28 2015-07-29 パナソニック株式会社 離散時間アナログ回路及びそれを用いた受信機
US8614639B1 (en) * 2012-08-24 2013-12-24 Himax Imaging, Inc. Integrator ramp generator with DAC and switched capacitors
WO2014164511A1 (en) 2013-03-11 2014-10-09 Microchip Technology Incorporated 4n+1 level capacitive dac using n capacitors
US8970415B2 (en) 2013-03-11 2015-03-03 Microchip Technology Incorporated Multi-level capacitive DAC
US9054733B2 (en) 2013-06-12 2015-06-09 Microchip Technology Incorporated Quantization noise coupling delta sigma ADC with a delay in the main DAC feedback
US9584153B2 (en) 2015-01-12 2017-02-28 Microchip Technology Incorporated Efficient dithering technique for sigma-delta analog-to-digital converters
CN106559004B (zh) 2015-09-29 2019-04-12 华为技术有限公司 多电平逆变器
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
US10305452B2 (en) 2017-09-28 2019-05-28 Microchip Technology Incorporated Five-level switched-capacitance DAC using bootstrapped switches
US10218268B1 (en) * 2018-03-26 2019-02-26 Analog Devices Global Unlimited Company Voltage reference circuit and method of providing a voltage reference
US10069507B1 (en) * 2018-04-06 2018-09-04 Nxp Usa, Inc. Mismatch and reference common-mode offset insensitive single-ended switched capacitor gain stage
US10615821B2 (en) 2018-04-30 2020-04-07 Microchip Technology Incorporated Charge-based digital to analog converter with second order dynamic weighted algorithm
US10735016B2 (en) 2018-10-04 2020-08-04 Denso Corporation D/A conversion circuit, quantization circuit, and A/D conversion circuit
US11057047B2 (en) 2019-05-24 2021-07-06 Microchip Technology Incorporated Ratiometric gain error calibration schemes for delta-sigma ADCs with capacitive gain input stages

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5838270A (en) 1995-01-12 1998-11-17 Texas Instruments Incorporated Second order and cascaded 2-1 oversampled modulators with improved dynamic range
US5691720A (en) * 1996-03-08 1997-11-25 Burr- Brown Corporation Delta sigma analog-to-digital converter having programmable resolution/bias current circuitry and method
US6081218A (en) * 1998-01-30 2000-06-27 Lucent Technologies, Inc. Five-level switched-capacitor DAC, method of operation thereof and sigma-delta converter employing the same
US6040793A (en) * 1998-03-18 2000-03-21 Analog Devices, Inc. Switched-capacitor sigma-delta analog-to-digital converter with input voltage overload protection
DE69910591T2 (de) 1999-11-19 2004-06-24 Ami Semiconductor Belgium Bvba Wandlerschnittstellenanordnung mit einem Sigma-Delta-Modulator mit Nullpunktabgleich und Verstärkungseinstellung
US6437720B1 (en) * 2001-02-16 2002-08-20 Conexant Systems, Inc. Code independent charge transfer scheme for switched-capacitor digital-to-analog converter
US6744394B2 (en) * 2002-05-10 2004-06-01 02Micro International Limited High precision analog to digital converter
US6972705B1 (en) * 2004-12-14 2005-12-06 Cirrus Logic, Inc. Signal processing system having an ADC delta-sigma modulator with single-ended input and feedback signal inputs

Also Published As

Publication number Publication date
EP1784918B1 (de) 2011-02-09
US7102558B2 (en) 2006-09-05
EP1784918A1 (de) 2007-05-16
US20060055581A1 (en) 2006-03-16
TW200629745A (en) 2006-08-16
TWI321404B (en) 2010-03-01
DE602005026298D1 (de) 2011-03-24
WO2006023355A1 (en) 2006-03-02

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