DE3485131D1 - Methode zur bestimmung einer unbekannten spannung und dual-slope ad-wandler. - Google Patents

Methode zur bestimmung einer unbekannten spannung und dual-slope ad-wandler.

Info

Publication number
DE3485131D1
DE3485131D1 DE8484112345T DE3485131T DE3485131D1 DE 3485131 D1 DE3485131 D1 DE 3485131D1 DE 8484112345 T DE8484112345 T DE 8484112345T DE 3485131 T DE3485131 T DE 3485131T DE 3485131 D1 DE3485131 D1 DE 3485131D1
Authority
DE
Germany
Prior art keywords
range
converter
dual slope
determining
unknown voltage
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 - Lifetime
Application number
DE8484112345T
Other languages
English (en)
Inventor
Lee Evans
Peter Duncan Bradshaw
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.)
Intersil Corp
Original Assignee
Intersil 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 Intersil Inc filed Critical Intersil Inc
Application granted granted Critical
Publication of DE3485131D1 publication Critical patent/DE3485131D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/18—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging
    • H03M1/181—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/50—Analogue/digital converters with intermediate conversion to time interval
    • H03M1/52—Input signal integrated with linear return to datum

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
DE8484112345T 1983-10-24 1984-10-13 Methode zur bestimmung einer unbekannten spannung und dual-slope ad-wandler. Expired - Lifetime DE3485131D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US54457283A 1983-10-24 1983-10-24

Publications (1)

Publication Number Publication Date
DE3485131D1 true DE3485131D1 (de) 1991-11-07

Family

ID=24172735

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484112345T Expired - Lifetime DE3485131D1 (de) 1983-10-24 1984-10-13 Methode zur bestimmung einer unbekannten spannung und dual-slope ad-wandler.

Country Status (3)

Country Link
EP (1) EP0142703B1 (de)
JP (1) JPS60109928A (de)
DE (1) DE3485131D1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009019632A1 (en) * 2007-08-06 2009-02-12 Nxp B.V. Signal processor comprising an integrating analog-to-digital converter
JP5174433B2 (ja) * 2007-11-14 2013-04-03 株式会社タニタ Ａｄ変換器及び秤
JP2016046671A (ja) * 2014-08-22 2016-04-04 ルネサスエレクトロニクス株式会社 半導体装置、アナログデジタル変換方法、車載システム及び計測方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3582947A (en) * 1968-03-25 1971-06-01 Ibm Integrating ramp analog to digital converter
DE2132513A1 (de) * 1971-06-30 1973-01-11 Licentia Gmbh Analog-digital-umsetzer nach dem doppelintegrationsverfahren
US4107667A (en) * 1976-11-22 1978-08-15 Texas Instruments Incorporated Dual slope analog-to-digital converter with unique counting arrangement
JPS5432255A (en) * 1977-08-17 1979-03-09 Toshiba Corp Analog digital converter
AU554437B2 (en) * 1983-02-16 1986-08-21 Ishida Koki Seisakusho K.K. Double integrating type a/d converter

Also Published As

Publication number Publication date
JPH0522413B2 (de) 1993-03-29
EP0142703B1 (de) 1991-10-02
EP0142703A2 (de) 1985-05-29
JPS60109928A (ja) 1985-06-15
EP0142703A3 (en) 1988-08-17

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee