JP3771006B2 - Ｄ／ａコンバータ - Google Patents

Ｄ／ａコンバータ Download PDF

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Publication number
JP3771006B2
JP3771006B2 JP18377397A JP18377397A JP3771006B2 JP 3771006 B2 JP3771006 B2 JP 3771006B2 JP 18377397 A JP18377397 A JP 18377397A JP 18377397 A JP18377397 A JP 18377397A JP 3771006 B2 JP3771006 B2 JP 3771006B2
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JP
Japan
Prior art keywords
start position
digital signal
converter
unit
output
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
JP18377397A
Other languages
English (en)
Japanese (ja)
Other versions
JPH1131969A (ja
JPH1131969A5 (https=
Inventor
孝 奥田
敏夫 熊本
正雄 伊藤
隆博 三木
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.)
Renesas Technology Corp
Original Assignee
Renesas Technology Corp
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 Renesas Technology Corp filed Critical Renesas Technology Corp
Priority to JP18377397A priority Critical patent/JP3771006B2/ja
Priority to US08/968,207 priority patent/US5995031A/en
Publication of JPH1131969A publication Critical patent/JPH1131969A/ja
Publication of JPH1131969A5 publication Critical patent/JPH1131969A5/ja
Application granted granted Critical
Publication of JP3771006B2 publication Critical patent/JP3771006B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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
    • H03M1/0634—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 by averaging out the errors, e.g. using sliding scale
    • H03M1/0656—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 by averaging out the errors, e.g. using sliding scale in the time domain, e.g. using intended jitter as a dither signal
    • H03M1/066—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 by averaging out the errors, e.g. using sliding scale in the time domain, e.g. using intended jitter as a dither signal by continuously permuting the elements used, i.e. dynamic element matching
    • H03M1/0663—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 by averaging out the errors, e.g. using sliding scale in the time domain, e.g. using intended jitter as a dither signal by continuously permuting the elements used, i.e. dynamic element matching using clocked averaging
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/74—Simultaneous conversion
    • H03M1/742—Simultaneous conversion using current sources as quantisation value generators
    • H03M1/747—Simultaneous conversion using current sources as quantisation value generators with equal currents which are switched by unary decoded digital signals
    • 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
    • H03M3/50—Digital/analogue converters using delta-sigma modulation as an intermediate step
    • H03M3/502—Details of the final digital/analogue conversion following the digital delta-sigma modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
JP18377397A 1997-07-09 1997-07-09 Ｄ／ａコンバータ Expired - Fee Related JP3771006B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP18377397A JP3771006B2 (ja) 1997-07-09 1997-07-09 Ｄ／ａコンバータ
US08/968,207 US5995031A (en) 1997-07-09 1997-11-12 D/A and A/D converters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18377397A JP3771006B2 (ja) 1997-07-09 1997-07-09 Ｄ／ａコンバータ

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2006003674A Division JP4047890B2 (ja) 2006-01-11 2006-01-11 Ｄ／ａコンバータ

Publications (3)

Publication Number Publication Date
JPH1131969A JPH1131969A (ja) 1999-02-02
JPH1131969A5 JPH1131969A5 (https=) 2004-07-22
JP3771006B2 true JP3771006B2 (ja) 2006-04-26

Family

ID=16141705

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18377397A Expired - Fee Related JP3771006B2 (ja) 1997-07-09 1997-07-09 Ｄ／ａコンバータ

Country Status (2)

Country Link
US (1) US5995031A (https=)
JP (1) JP3771006B2 (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1492237B1 (en) 1999-11-10 2006-09-06 Fujitsu Limited Noise shaping in segmented mixed-signal circuitry
DE60119476T2 (de) 2000-10-26 2006-11-23 Fujitsu Ltd., Kawasaki Segmentierte Schaltungsanordnung
JP3928781B2 (ja) * 2002-03-05 2007-06-13 フリースケール セミコンダクター インコーポレイテッド デジタル・アナログ変換器の入力コードに対するセル選択方法
US7049994B2 (en) 2002-03-22 2006-05-23 Thine Electronics, Inc. Semiconductor integrated circuit
US6778119B2 (en) * 2002-11-29 2004-08-17 Sigmatel, Inc. Method and apparatus for accurate digital-to-analog conversion
US6992609B1 (en) * 2004-09-17 2006-01-31 Pulselink, Inc. Digital to analog converter
JP2012023540A (ja) * 2010-07-14 2012-02-02 Asahi Kasei Electronics Co Ltd マルチビットデルタシグマ変調器及びａｄコンバータ
JP6792137B2 (ja) * 2016-03-03 2020-11-25 ミツミ電機株式会社 Ｄ／ａ変換器、及びａ／ｄ変換器
JP2021517377A (ja) * 2019-02-25 2021-07-15 シェンチェン グーディックス テクノロジー カンパニー リミテッド データ変換器と、関連するアナログ−デジタル変換器、デジタル−アナログ変換器およびチップ

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02253719A (ja) * 1989-03-27 1990-10-12 Matsushita Electric Ind Co Ltd ディジタル・アナログ変換器
US5036322A (en) * 1989-06-02 1991-07-30 Analog Devices, Inc. Digital-to-analog converters with improved linearity
JP2896219B2 (ja) * 1990-10-16 1999-05-31 株式会社東芝 ディジタル・アナログ変換器
US5293166A (en) * 1992-03-31 1994-03-08 Vlsi Technology, Inc. Digital-to-analog converter and bias compensator therefor
GB9209498D0 (en) * 1992-05-01 1992-06-17 Univ Waterloo Multi-bit dac with dynamic element matching
JP3469326B2 (ja) * 1994-08-16 2003-11-25 バー−ブラウン・コーポレーション デジタル−アナログ変換器
US5726652A (en) * 1996-06-17 1998-03-10 Tritech Microelectronics, Inc. Digital to analog converter linearity with mismatched current sources
US5760726A (en) * 1996-08-23 1998-06-02 Motorola, Inc. Digital-to-analog converter with dynamic matching and bit splitting

Also Published As

Publication number Publication date
US5995031A (en) 1999-11-30
JPH1131969A (ja) 1999-02-02

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