JP2010124449A - アナログデジタル変換回路 - Google Patents

アナログデジタル変換回路 Download PDF

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Publication number
JP2010124449A
JP2010124449A JP2009122421A JP2009122421A JP2010124449A JP 2010124449 A JP2010124449 A JP 2010124449A JP 2009122421 A JP2009122421 A JP 2009122421A JP 2009122421 A JP2009122421 A JP 2009122421A JP 2010124449 A JP2010124449 A JP 2010124449A
Authority
JP
Japan
Prior art keywords
preamplifier
calibration
analog
circuit
digital conversion
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.)
Pending
Application number
JP2009122421A
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English (en)
Japanese (ja)
Other versions
JP2010124449A5 (enExample
Inventor
Yuji Nakajima
雄二 中島
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 Electronics Corp
Original Assignee
Renesas Electronics 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 Electronics Corp filed Critical Renesas Electronics Corp
Priority to JP2009122421A priority Critical patent/JP2010124449A/ja
Priority to US12/582,431 priority patent/US7928872B2/en
Publication of JP2010124449A publication Critical patent/JP2010124449A/ja
Publication of JP2010124449A5 publication Critical patent/JP2010124449A5/ja
Pending 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
    • H03M1/10—Calibration or testing
    • H03M1/1009—Calibration
    • H03M1/1014—Calibration at one point of the transfer characteristic, i.e. by adjusting a single reference value, e.g. bias or gain error
    • H03M1/1023—Offset correction
    • 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
    • H03M1/14—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit
    • H03M1/141—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit in which at least one step is of the folding type; Folding stages therefore
    • 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
    • H03M1/20—Increasing resolution using an n bit system to obtain n + m bits
    • H03M1/202—Increasing resolution using an n bit system to obtain n + m bits by interpolation
    • H03M1/203—Increasing resolution using an n bit system to obtain n + m bits by interpolation using an analogue interpolation circuit
    • H03M1/204—Increasing resolution using an n bit system to obtain n + m bits by interpolation using an analogue interpolation circuit in which one or more virtual intermediate reference signals are generated between adjacent original reference signals, e.g. by connecting pre-amplifier outputs to multiple comparators
    • H03M1/205—Increasing resolution using an n bit system to obtain n + m bits by interpolation using an analogue interpolation circuit in which one or more virtual intermediate reference signals are generated between adjacent original reference signals, e.g. by connecting pre-amplifier outputs to multiple comparators using resistor strings for redistribution of the original reference signals or signals derived therefrom
    • 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
    • H03M1/34—Analogue value compared with reference values
    • H03M1/36—Analogue value compared with reference values simultaneously only, i.e. parallel type
    • H03M1/361—Analogue value compared with reference values simultaneously only, i.e. parallel type having a separate comparator and reference value for each quantisation level, i.e. full flash converter type
    • H03M1/362—Analogue value compared with reference values simultaneously only, i.e. parallel type having a separate comparator and reference value for each quantisation level, i.e. full flash converter type the reference values being generated by a resistive voltage divider

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
JP2009122421A 2008-10-21 2009-05-20 アナログデジタル変換回路 Pending JP2010124449A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009122421A JP2010124449A (ja) 2008-10-21 2009-05-20 アナログデジタル変換回路
US12/582,431 US7928872B2 (en) 2008-10-21 2009-10-20 Analog-to-digital converter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008270804 2008-10-21
JP2009122421A JP2010124449A (ja) 2008-10-21 2009-05-20 アナログデジタル変換回路

Publications (2)

Publication Number Publication Date
JP2010124449A true JP2010124449A (ja) 2010-06-03
JP2010124449A5 JP2010124449A5 (enExample) 2012-05-17

Family

ID=42108240

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009122421A Pending JP2010124449A (ja) 2008-10-21 2009-05-20 アナログデジタル変換回路

Country Status (2)

Country Link
US (1) US7928872B2 (enExample)
JP (1) JP2010124449A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012004928A (ja) * 2010-06-18 2012-01-05 Fujitsu Ltd Ａｄ変換回路およびａｄ変換方法
JP2012165125A (ja) * 2011-02-04 2012-08-30 Hitachi Ltd キャリブレーション回路およびアナログ−デジタル変換器

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8901937B2 (en) * 2011-10-18 2014-12-02 Analog Devices, Inc. Foreground techniques for comparator calibration
KR20230105227A (ko) 2022-01-03 2023-07-11 삼성전자주식회사 고속 아날로그-디지털 변환을 위한 장치 및 방법
US12191877B2 (en) * 2022-08-30 2025-01-07 Texas Instruments Incorporated Multi-bit voltage-to-delay conversion in data converter circuitry

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000165241A (ja) * 1998-11-24 2000-06-16 Hitachi Ltd Ａ／ｄ変換器及び半導体集積回路
JP2003158456A (ja) * 2001-09-04 2003-05-30 Matsushita Electric Ind Co Ltd Ａ／ｄ変換器
US6847320B1 (en) * 2004-02-13 2005-01-25 National Semiconductor Corporation ADC linearity improvement
JP2006087064A (ja) * 2004-08-18 2006-03-30 Matsushita Electric Ind Co Ltd Ａ／ｄ変換器及びａ／ｄ変換システム
JP2007189519A (ja) * 2006-01-13 2007-07-26 Sony Corp アナログ／デジタル変換回路

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5990707A (en) * 1997-09-05 1999-11-23 Cirrus Logic, Inc. Method and system for sliced integration of flash analog to digital converters in read channel circuits
US5990814A (en) * 1997-09-05 1999-11-23 Cirrus Logic, Inc. Method and circuit for calibration of flash analog to digital converters
FR2791490A1 (fr) * 1999-03-23 2000-09-29 Koninkl Philips Electronics Nv Dispositif de conversion analogique/numerique a non-linearite differentielle constante
DE10004996C2 (de) * 2000-02-04 2002-09-26 Infineon Technologies Ag Vorrichtung und Verfahren zur Selbstkalibrierung von Faltungs-Analog/Digitalwandlern
US7212144B1 (en) * 2006-01-18 2007-05-01 Marvell World Trade Ltd. Flash ADC
TW200733570A (en) * 2006-02-23 2007-09-01 Univ Nat Chiao Tung Analog-to-digital converter with alternated correction time

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000165241A (ja) * 1998-11-24 2000-06-16 Hitachi Ltd Ａ／ｄ変換器及び半導体集積回路
JP2003158456A (ja) * 2001-09-04 2003-05-30 Matsushita Electric Ind Co Ltd Ａ／ｄ変換器
US6847320B1 (en) * 2004-02-13 2005-01-25 National Semiconductor Corporation ADC linearity improvement
JP2006087064A (ja) * 2004-08-18 2006-03-30 Matsushita Electric Ind Co Ltd Ａ／ｄ変換器及びａ／ｄ変換システム
JP2007189519A (ja) * 2006-01-13 2007-07-26 Sony Corp アナログ／デジタル変換回路

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012004928A (ja) * 2010-06-18 2012-01-05 Fujitsu Ltd Ａｄ変換回路およびａｄ変換方法
JP2012165125A (ja) * 2011-02-04 2012-08-30 Hitachi Ltd キャリブレーション回路およびアナログ−デジタル変換器

Also Published As

Publication number Publication date
US7928872B2 (en) 2011-04-19
US20100097260A1 (en) 2010-04-22

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