CN114762258A - 模拟/数字转换电路 - Google Patents

模拟/数字转换电路 Download PDF

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Publication number
CN114762258A
CN114762258A CN202080025890.5A CN202080025890A CN114762258A CN 114762258 A CN114762258 A CN 114762258A CN 202080025890 A CN202080025890 A CN 202080025890A CN 114762258 A CN114762258 A CN 114762258A
Authority
CN
China
Prior art keywords
digital conversion
comparator
analog
value
conversion circuit
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
CN202080025890.5A
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English (en)
Chinese (zh)
Inventor
林秀树
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.)
Sanken Electric Co Ltd
Original Assignee
Sanken Electric Co Ltd
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 Sanken Electric Co Ltd filed Critical Sanken Electric Co Ltd
Publication of CN114762258A publication Critical patent/CN114762258A/zh
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
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/0602—Continuously compensating for, or preventing, undesired influence of physical parameters of deviations from the desired transfer characteristic
    • H03M1/0604—Continuously compensating for, or preventing, undesired influence of physical parameters of deviations from the desired transfer characteristic at one point, i.e. by adjusting a single reference value, e.g. bias or gain error
    • H03M1/0607—Offset or drift compensation
    • 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
    • H03M1/1033—Calibration over the full range of the converter, e.g. for correcting differential non-linearity
    • H03M1/1038—Calibration over the full range of the converter, e.g. for correcting differential non-linearity by storing corrected or correction values in one or more digital look-up tables
    • H03M1/1042—Calibration over the full range of the converter, e.g. for correcting differential non-linearity by storing corrected or correction values in one or more digital look-up tables the look-up table containing corrected values for replacing the original digital 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
    • H03M1/34—Analogue value compared with reference values
    • H03M1/38—Analogue value compared with reference values sequentially only, e.g. successive approximation type
    • H03M1/46—Analogue value compared with reference values sequentially only, e.g. successive approximation type with digital/analogue converter for supplying reference values to converter
    • H03M1/466—Analogue value compared with reference values sequentially only, e.g. successive approximation type with digital/analogue converter for supplying reference values to converter using switched capacitors

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Analogue/Digital Conversion (AREA)
CN202080025890.5A 2020-11-11 2020-11-11 模拟/数字转换电路 Pending CN114762258A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/041990 WO2022102002A1 (ja) 2020-11-11 2020-11-11 アナログデジタル変換回路

Publications (1)

Publication Number Publication Date
CN114762258A true CN114762258A (zh) 2022-07-15

Family

ID=81453684

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080025890.5A Pending CN114762258A (zh) 2020-11-11 2020-11-11 模拟/数字转换电路

Country Status (4)

Country Link
US (1) US11677407B2 (https=)
JP (1) JPWO2022102002A1 (https=)
CN (1) CN114762258A (https=)
WO (1) WO2022102002A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0786947A (ja) * 1993-09-09 1995-03-31 Hitachi Ltd Ａ／ｄ変換器
JP2001308705A (ja) * 2000-04-26 2001-11-02 Denso Corp ディジタル／アナログ変換器およびその変換誤差低減化方法
CN101018058A (zh) * 2006-02-10 2007-08-15 冲电气工业株式会社 模拟/数字转换电路
US20130021189A1 (en) * 2011-07-18 2013-01-24 Kabir Mohammad Nizam U Freescale confidential proprietary comparator

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5997220A (ja) * 1982-11-26 1984-06-05 Nec Corp 電圧比較回路
JP2523998B2 (ja) 1991-01-31 1996-08-14 株式会社東芝 コンパレ―タ
JPH1188166A (ja) * 1997-09-12 1999-03-30 Toshiba Corp Ａ／ｄコンバータ
JP2002111494A (ja) * 2000-09-26 2002-04-12 Sony Corp 半導体装置及びその方法
EP1985020A1 (en) * 2006-01-31 2008-10-29 Interuniversitair Microelektronica Centrum (IMEC) A/d converter comprising a voltage comparator device
JP2007318457A (ja) * 2006-05-25 2007-12-06 Sony Corp コンパレータ並びにａ／ｄ変換器
JP5412639B2 (ja) 2008-10-31 2014-02-12 国立大学法人東京工業大学 比較器及びアナログデジタル変換器
EP3672077B1 (en) * 2018-12-19 2022-07-27 Socionext Inc. Comparator circuitry
US10483995B1 (en) * 2019-02-22 2019-11-19 Caelus Technologies Limited Calibration of radix errors using Least-Significant-Bit (LSB) averaging in a Successive-Approximation Register Analog-Digital Converter (SAR-ADC) during a fully self-calibrating routine
US10826521B1 (en) * 2019-04-09 2020-11-03 Novatek Microelectronics Corp. Successive approximation register analog to digital converter and offset detection method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0786947A (ja) * 1993-09-09 1995-03-31 Hitachi Ltd Ａ／ｄ変換器
JP2001308705A (ja) * 2000-04-26 2001-11-02 Denso Corp ディジタル／アナログ変換器およびその変換誤差低減化方法
CN101018058A (zh) * 2006-02-10 2007-08-15 冲电气工业株式会社 模拟/数字转换电路
US20130021189A1 (en) * 2011-07-18 2013-01-24 Kabir Mohammad Nizam U Freescale confidential proprietary comparator

Also Published As

Publication number Publication date
WO2022102002A1 (ja) 2022-05-19
US20220149853A1 (en) 2022-05-12
JPWO2022102002A1 (https=) 2022-05-19
US11677407B2 (en) 2023-06-13

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Application publication date: 20220715

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