JPH0522413B2 - - Google Patents

Info

Publication number
JPH0522413B2
JPH0522413B2 JP59221393A JP22139384A JPH0522413B2 JP H0522413 B2 JPH0522413 B2 JP H0522413B2 JP 59221393 A JP59221393 A JP 59221393A JP 22139384 A JP22139384 A JP 22139384A JP H0522413 B2 JPH0522413 B2 JP H0522413B2
Authority
JP
Japan
Prior art keywords
time interval
timing
range
integration
stage
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
JP59221393A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60109928A (ja
Inventor
Eru Ebansu Rii
Dankan Buratsudosho Piitaa
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
Publication of JPS60109928A publication Critical patent/JPS60109928A/ja
Publication of JPH0522413B2 publication Critical patent/JPH0522413B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12Analogue/digital converters
    • H03M1/18Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging
    • H03M1/181Automatic 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12Analogue/digital converters
    • H03M1/50Analogue/digital converters with intermediate conversion to time interval
    • H03M1/52Input signal integrated with linear return to datum

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
JP22139384A 1983-10-24 1984-10-23 二傾斜形アナログ・デイジタル変換器の動作方法及び構成 Granted JPS60109928A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US54457283A 1983-10-24 1983-10-24
US544572 2000-04-06

Publications (2)

Publication Number Publication Date
JPS60109928A JPS60109928A (ja) 1985-06-15
JPH0522413B2 true JPH0522413B2 (en]) 1993-03-29

Family

ID=24172735

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22139384A Granted JPS60109928A (ja) 1983-10-24 1984-10-23 二傾斜形アナログ・デイジタル変換器の動作方法及び構成

Country Status (3)

Country Link
EP (1) EP0142703B1 (en])
JP (1) JPS60109928A (en])
DE (1) DE3485131D1 (en])

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
EP0142703B1 (en) 1991-10-02
EP0142703A3 (en) 1988-08-17
DE3485131D1 (de) 1991-11-07
EP0142703A2 (en) 1985-05-29
JPS60109928A (ja) 1985-06-15

Similar Documents

Publication Publication Date Title
US4357600A (en) Multislope converter and conversion technique
US4250449A (en) Digital electric energy measuring circuit
US4243974A (en) Wide dynamic range analog to digital converter
USRE34899E (en) Analog to digital conversion with charge balanced voltage to frequency converter having polarity responsive offset
US4558303A (en) Methods of and apparatus for converting an analogue voltage to a digital representation
JPS5821921A (ja) A−d変換器
US4001555A (en) Signal processing apparatus
US5373292A (en) Integration type D-A/A-D Conversion apparatus capable of shortening conversion processing time
US4633221A (en) Dual slope analog-to-digital converter with automatic, short cycle range determination
US3678505A (en) Simultaneous logarithmic conversion and digital display apparatus
JP2776598B2 (ja) アナログ‐ディジタル変換器
JPH0522413B2 (en])
US3493963A (en) Analog-digital converter for direct voltages or direct currents with logarithmic valuation of the input magnitude
EP0535124B1 (en) Analog-to-digital converter
DE2426859A1 (de) Messchaltung zur messung von kapazitaeten und widerstaenden
US3745556A (en) Analogue to digital converter
EP0238646B1 (en) Dual slope converter with large apparent integrator swing
JPH0447273B2 (en])
KR0158633B1 (ko) 동작 주파수의 변화가 가능한 전압, 주파수 측정 회로
JPH02246622A (ja) 多重積分型a/d変換装置
US4595906A (en) Scaled analog to digital coverter
SU367389A1 (ru) Цифровой вольтметр действующего значения периодического напряжения произвольной формы
JPH09205367A (ja) 積分型a/d変換方法
SU1137409A1 (ru) Цифровой измеритель сопротивлений
JPH0426251B2 (en])