FR2899741B1 - Modulateur delta-sigma dote d'un integrateur a partage de charges - Google Patents

Modulateur delta-sigma dote d'un integrateur a partage de charges

Info

Publication number
FR2899741B1
FR2899741B1 FR0651323A FR0651323A FR2899741B1 FR 2899741 B1 FR2899741 B1 FR 2899741B1 FR 0651323 A FR0651323 A FR 0651323A FR 0651323 A FR0651323 A FR 0651323A FR 2899741 B1 FR2899741 B1 FR 2899741B1
Authority
FR
France
Prior art keywords
integrateur
delta
sharing
charge
sigma modulator
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
FR0651323A
Other languages
English (en)
Other versions
FR2899741A1 (fr
Inventor
Eric Andre
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.)
STMicroelectronics SA
Original Assignee
STMicroelectronics SA
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 STMicroelectronics SA filed Critical STMicroelectronics SA
Priority to FR0651323A priority Critical patent/FR2899741B1/fr
Priority to US11/733,375 priority patent/US7474241B2/en
Publication of FR2899741A1 publication Critical patent/FR2899741A1/fr
Application granted granted Critical
Publication of FR2899741B1 publication Critical patent/FR2899741B1/fr
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
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
    • H03M3/464—Details of the digital/analogue conversion in the feedback path
    • 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
    • H03M3/438—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 higher order loop filter in the feedforward path
    • H03M3/454—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 higher order loop filter in the feedforward path with distributed feedback, i.e. with feedback paths from the quantiser output to more than one filter stage

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FR0651323A 2006-04-11 2006-04-11 Modulateur delta-sigma dote d'un integrateur a partage de charges Expired - Fee Related FR2899741B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0651323A FR2899741B1 (fr) 2006-04-11 2006-04-11 Modulateur delta-sigma dote d'un integrateur a partage de charges
US11/733,375 US7474241B2 (en) 2006-04-11 2007-04-10 Delta-sigma modulator provided with a charge sharing integrator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0651323A FR2899741B1 (fr) 2006-04-11 2006-04-11 Modulateur delta-sigma dote d'un integrateur a partage de charges

Publications (2)

Publication Number Publication Date
FR2899741A1 FR2899741A1 (fr) 2007-10-12
FR2899741B1 true FR2899741B1 (fr) 2009-01-30

Family

ID=37459413

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0651323A Expired - Fee Related FR2899741B1 (fr) 2006-04-11 2006-04-11 Modulateur delta-sigma dote d'un integrateur a partage de charges

Country Status (2)

Country Link
US (1) US7474241B2 (fr)
FR (1) FR2899741B1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7948412B2 (en) * 2006-08-23 2011-05-24 Asahi Kasei Emd Corporation Delta-sigma modulator
KR101543645B1 (ko) * 2009-02-13 2015-08-11 삼성전자주식회사 투 패스 시그마-델타 아날로그-디지털 변환기 및 이를 포함하는 이미지 센서
JP5275195B2 (ja) * 2009-09-29 2013-08-28 パナソニック株式会社 複素２次積分器およびそれを備えたオーバーサンプリングａ／ｄ変換器
JP5275196B2 (ja) 2009-09-29 2013-08-28 パナソニック株式会社 積分器およびそれを備えたオーバーサンプリングａ／ｄ変換器
US8736324B2 (en) * 2011-10-13 2014-05-27 Texas Instruments Incorporated Differentiator based spread spectrum modulator
US9853653B2 (en) * 2015-09-15 2017-12-26 Mediatek Inc. Error cancellation in a current digital-to-analog converter of a continuous-time sigma-delta modulator
CN110658879B (zh) * 2018-06-28 2021-10-29 硅谷介入有限公司 用于改善σδ调制器的性能的设备
US11444635B2 (en) * 2020-10-02 2022-09-13 Texas Instruments Incorporated Delta sigma modulator
CN120110399B (zh) * 2024-12-24 2026-01-06 清华大学 一种低功耗、用于连续时间δς模拟数字转换器的积分器

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4939516B1 (en) * 1988-06-13 1993-10-26 Crystal Semiconductor Corporation Chopper stabilized delta-sigma analog-to-digital converter
JP3143567B2 (ja) * 1994-10-28 2001-03-07 シャープ株式会社 デルタシグマ変調器
US6184812B1 (en) * 1998-12-14 2001-02-06 Qualcomm Incorporated Method and apparatus for eliminating clock jitter in continuous-time Delta-Sigma analog-to-digital converters
US6885326B2 (en) * 1999-02-04 2005-04-26 Med-El Elektromedizinische Geraeta Gmbh Accumulator for adaptive Σ-Δ modulation
JP2001237706A (ja) * 2000-02-23 2001-08-31 Hitachi Ltd Δς型ａｄ変換器
US6693572B1 (en) * 2003-02-04 2004-02-17 Motorola, Inc. Digital tuning scheme for continuous-time sigma delta modulation
GB2408859B (en) * 2003-12-05 2007-06-06 Wolfson Ltd Digital-to-analogue converter circuits
US6924760B1 (en) * 2004-02-27 2005-08-02 Standard Microsystems Corporation Highly accurate switched capacitor DAC
US7230555B2 (en) * 2005-02-23 2007-06-12 Analogic Corporation Sigma delta converter with flying capacitor input
WO2006098976A2 (fr) * 2005-03-09 2006-09-21 Analog Devices, Inc Circuit d'interface de condensateur a une borne
TWI259662B (en) * 2005-05-18 2006-08-01 Ite Tech Inc Signal converting apparatus for integrated analog-to-digital converter and digital-to-analog converter and integrator unit thereof
US7439896B2 (en) * 2005-09-08 2008-10-21 Marvell World Trade Ltd. Capacitive digital to analog and analog to digital converters
US7319419B1 (en) * 2006-08-30 2008-01-15 Texas Instruments Incorporated Switched capacitor circuit with current source offset DAC and method
US7375666B2 (en) * 2006-09-12 2008-05-20 Cirrus Logic, Inc. Feedback topology delta-sigma modulator having an AC-coupled feedback path

Also Published As

Publication number Publication date
US20070236375A1 (en) 2007-10-11
US7474241B2 (en) 2009-01-06
FR2899741A1 (fr) 2007-10-12

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20131231