ATE375628T1 - Verfahren und system zum betreiben zweier oder mehrerer integratoren mit verschiedenen stromversorgungen für einen analog-/digital-delta-sigma-modulator - Google Patents

Verfahren und system zum betreiben zweier oder mehrerer integratoren mit verschiedenen stromversorgungen für einen analog-/digital-delta-sigma-modulator

Info

Publication number
ATE375628T1
ATE375628T1 AT02728988T AT02728988T ATE375628T1 AT E375628 T1 ATE375628 T1 AT E375628T1 AT 02728988 T AT02728988 T AT 02728988T AT 02728988 T AT02728988 T AT 02728988T AT E375628 T1 ATE375628 T1 AT E375628T1
Authority
AT
Austria
Prior art keywords
integrator
operating
power supply
analog
different power
Prior art date
Application number
AT02728988T
Other languages
English (en)
Inventor
John Tucker
Original Assignee
Cirrus Logic 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 Cirrus Logic Inc filed Critical Cirrus Logic Inc
Application granted granted Critical
Publication of ATE375628T1 publication Critical patent/ATE375628T1/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
    • H03M3/32—Delta-sigma modulation with special provisions or arrangements for power saving, e.g. by allowing a sleep mode, using lower supply voltage for downstream stages, using multiple clock domains, by selectively turning on stages when needed
    • 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
    • H03M3/424—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 multiple 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
    • H03M3/44—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 provisions for rendering the modulator inherently stable
    • H03M3/446—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 provisions for rendering the modulator inherently stable by a particular choice of poles or zeroes in the z-plane, e.g. by positioning zeroes outside the unit circle, i.e. causing the modulator to operate in a chaotic regime
    • H03M3/448—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 provisions for rendering the modulator inherently stable by a particular choice of poles or zeroes in the z-plane, e.g. by positioning zeroes outside the unit circle, i.e. causing the modulator to operate in a chaotic regime by removing part of the zeroes, e.g. using local feedback loops
    • 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
    • H03M3/452—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 weighted feedforward summation, i.e. with feedforward paths from more than one filter stage to the quantiser input
    • 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)
  • Analogue/Digital Conversion (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
AT02728988T 2001-04-26 2002-04-25 Verfahren und system zum betreiben zweier oder mehrerer integratoren mit verschiedenen stromversorgungen für einen analog-/digital-delta-sigma-modulator ATE375628T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/843,393 US6400297B1 (en) 2001-04-26 2001-04-26 Method and system for operating two or more integrators with different power supplies for an analog-to-digital delta-sigma modulator

Publications (1)

Publication Number Publication Date
ATE375628T1 true ATE375628T1 (de) 2007-10-15

Family

ID=25289838

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02728988T ATE375628T1 (de) 2001-04-26 2002-04-25 Verfahren und system zum betreiben zweier oder mehrerer integratoren mit verschiedenen stromversorgungen für einen analog-/digital-delta-sigma-modulator

Country Status (7)

Country Link
US (1) US6400297B1 (de)
EP (1) EP1384327B1 (de)
JP (2) JP4101062B2 (de)
AT (1) ATE375628T1 (de)
AU (1) AU2002259008A1 (de)
DE (1) DE60222880T2 (de)
WO (1) WO2002089316A2 (de)

Families Citing this family (19)

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Publication number Priority date Publication date Assignee Title
US7123177B2 (en) * 2000-11-17 2006-10-17 Broadcom Corporation System and method for stabilizing high order sigma delta modulators
US6670902B1 (en) * 2002-06-04 2003-12-30 Cirrus Logic, Inc. Delta-sigma modulators with improved noise performance
US6940438B2 (en) * 2004-01-28 2005-09-06 Texas Instruments Incorporated Method and circuit for reducing quantizer input/output swing in a sigma-delta modulator
US20050266805A1 (en) * 2004-05-28 2005-12-01 Jensen Henrik T Digital delta sigma modulator and applications thereof
WO2006024317A1 (de) * 2004-09-02 2006-03-09 Infineon Technologies Ag Sigma-delta-analog-digital-wandler für eine xdsl-multistandard-eingangsstufe
DE102006002901B4 (de) * 2006-01-20 2013-03-07 Infineon Technologies Ag Multibit-Sigma-Delta-Wandler
US7215270B1 (en) * 2006-04-10 2007-05-08 Intrinsix Corp. Sigma-delta modulator having selectable OSR with optimal resonator coefficient
JP2008172412A (ja) * 2007-01-10 2008-07-24 Sharp Corp Δς型ａｄ変換器
US7420493B2 (en) * 2007-01-10 2008-09-02 Texas Instruments Incorporated Extended range delta-sigma modulator and delta-sigma power converter
US7636056B2 (en) * 2007-05-22 2009-12-22 Panasonic Corporation Delta sigma modulator operating with different power source voltages
US7532137B2 (en) * 2007-05-29 2009-05-12 Infineon Technologies Ag Filter with capacitive forward coupling with a quantizer operating in scanning and conversion phases
DE102008024897B3 (de) * 2008-05-28 2010-01-07 Austriamicrosystems Ag Sigma-Delta-Wandler und Verfahren zur Signalverarbeitung
US8120518B2 (en) * 2010-06-14 2012-02-21 Koren Advanced Institute of Science and Technology Digital feedforward sigma-delta modulator in analog-to-digital converter and modulation method thereof
US9628106B1 (en) 2014-01-24 2017-04-18 Avnera Corporation Analog to digital converters with oversampling
JP6159296B2 (ja) * 2014-06-16 2017-07-05 旭化成エレクトロニクス株式会社 ホールセンサ及びホール起電力検出方法
CN105049052A (zh) * 2015-06-19 2015-11-11 深圳市芯海科技有限公司 带温度补偿功能的三角积分模数转换器
CN110244623B (zh) * 2019-06-19 2024-09-27 深圳市捷美瑞科技有限公司 医用诊察和监护器械、电路及其控制芯片
CN111338596B (zh) * 2020-02-21 2023-04-11 北京瑞森新谱科技股份有限公司 一种高动态范围声卡模拟信号数据采集系统和方法
US11821731B2 (en) * 2020-08-19 2023-11-21 Invensense, Inc. Minimizing a delay of a capacitance-to-voltage converter of a gyroscope by including such converter within a bandpass sigma-delta analog-to-digital converter of the gyroscope

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH08330967A (ja) * 1995-06-01 1996-12-13 Matsushita Electric Ind Co Ltd デルタ・シグマ変調回路
US5818374A (en) * 1996-05-08 1998-10-06 Telefonaktiebolaget Lm Ericsson Switched current delta-sigma modulator
JP2000078015A (ja) * 1998-09-02 2000-03-14 Asahi Kasei Microsystems Kk マルチビット型ｄ／ａ変換器及びデルタシグマ型ａ／ｄ変換器
US6344811B1 (en) * 1999-03-16 2002-02-05 Audio Logic, Inc. Power supply compensation for noise shaped, digital amplifiers
JP3516887B2 (ja) * 1999-08-31 2004-04-05 日本電信電話株式会社 ノイズシェーピング方法および回路
US6369729B1 (en) * 1999-10-08 2002-04-09 Cirrus Logic, Inc. Common mode shift in downstream integrators of high order delta sigma modulators

Also Published As

Publication number Publication date
DE60222880T2 (de) 2008-07-17
JP4101062B2 (ja) 2008-06-11
EP1384327A2 (de) 2004-01-28
EP1384327B1 (de) 2007-10-10
WO2002089316A2 (en) 2002-11-07
US6400297B1 (en) 2002-06-04
JP2008092606A (ja) 2008-04-17
DE60222880D1 (de) 2007-11-22
AU2002259008A1 (en) 2002-11-11
JP2004525580A (ja) 2004-08-19
WO2002089316A3 (en) 2003-03-13
EP1384327A4 (de) 2005-12-07

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