JP7670995B2 - サンプリング回路、アナログデジタル変換回路、及び半導体集積回路 - Google Patents

サンプリング回路、アナログデジタル変換回路、及び半導体集積回路 Download PDF

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JP7670995B2
JP7670995B2 JP2022560532A JP2022560532A JP7670995B2 JP 7670995 B2 JP7670995 B2 JP 7670995B2 JP 2022560532 A JP2022560532 A JP 2022560532A JP 2022560532 A JP2022560532 A JP 2022560532A JP 7670995 B2 JP7670995 B2 JP 7670995B2
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node
input
analog
capacitors
digital
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Japanese (ja)
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JPWO2022097191A1 (https=
JPWO2022097191A5 (https=
Inventor
健太 有賀
武志 高山
翔太 日野
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Socionext Inc
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Socionext Inc
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    • 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
    • H03M1/124—Sampling or signal conditioning arrangements specially adapted for A/D converters
    • H03M1/1245—Details of sampling arrangements or methods
    • 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
    • H03M1/1047—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 using an auxiliary digital/analogue converter for adding the correction values to the analogue signal
    • 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
    • H03M1/40—Analogue value compared with reference values sequentially only, e.g. successive approximation type recirculation type
    • H03M1/403—Analogue value compared with reference values sequentially only, e.g. successive approximation type recirculation type using switched capacitors
    • 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
    • H03M1/462—Details of the control circuitry, e.g. of the successive approximation register
    • 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
    • H03M1/468—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 in which the input S/H circuit is merged with the feedback DAC array
    • 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
    • H03M1/68—Digital/analogue converters with conversions of different sensitivity, i.e. one conversion relating to the more significant digital bits and another conversion to the less significant bits

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Analogue/Digital Conversion (AREA)
JP2022560532A 2020-11-04 2020-11-04 サンプリング回路、アナログデジタル変換回路、及び半導体集積回路 Active JP7670995B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/041165 WO2022097191A1 (ja) 2020-11-04 2020-11-04 サンプリング回路、アナログデジタル変換回路、及び半導体集積回路

Publications (3)

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JPWO2022097191A1 JPWO2022097191A1 (https=) 2022-05-12
JPWO2022097191A5 JPWO2022097191A5 (https=) 2023-07-20
JP7670995B2 true JP7670995B2 (ja) 2025-05-01

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JP2022560532A Active JP7670995B2 (ja) 2020-11-04 2020-11-04 サンプリング回路、アナログデジタル変換回路、及び半導体集積回路

Country Status (3)

Country Link
US (1) US12328128B2 (https=)
JP (1) JP7670995B2 (https=)
WO (1) WO2022097191A1 (https=)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001267925A (ja) 2000-03-17 2001-09-28 Matsushita Electric Ind Co Ltd 逐次比較型ａｄ変換器
JP2011205230A (ja) 2010-03-24 2011-10-13 Fujitsu Semiconductor Ltd Ａ／ｄ変換器

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4803462A (en) * 1987-08-11 1989-02-07 Texas Instruments Incorporated Charge redistribution A/D converter with increased common mode rejection
US4989002A (en) 1990-02-12 1991-01-29 Texas Instruments Incorporated Common-mode error self-calibration circuit and method of operation
JP4652214B2 (ja) * 2005-11-18 2011-03-16 富士通セミコンダクター株式会社 アナログデジタル変換器
CN101313468B (zh) * 2005-11-21 2011-01-12 松下电器产业株式会社 全差动型比较器和全差动型放大电路
JP5310222B2 (ja) 2009-04-20 2013-10-09 富士通株式会社 電荷分配型デジタル・アナログ変換器及びそれを有する逐次比較型アナログ・デジタル変換器
JP5561039B2 (ja) 2010-09-03 2014-07-30 富士通株式会社 アナログ・デジタル変換器およびシステム
JP5182351B2 (ja) * 2010-11-15 2013-04-17 富士通セミコンダクター株式会社 アナログデジタル変換器
US8581770B2 (en) 2011-05-04 2013-11-12 Texas Instruments Incorporated Zero-power sampling SAR ADC circuit and method
JP5623618B2 (ja) 2013-12-02 2014-11-12 スパンションエルエルシー Ａ／ｄ変換器
JP6668677B2 (ja) 2015-10-22 2020-03-18 株式会社ソシオネクスト Ａ／ｄ変換器、ａ／ｄ変換方法および半導体集積回路
US9432044B1 (en) * 2015-12-18 2016-08-30 Texas Instruments Incorporated Mismatch correction of attenuation capacitor in a successive approximation register analog to digital converter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001267925A (ja) 2000-03-17 2001-09-28 Matsushita Electric Ind Co Ltd 逐次比較型ａｄ変換器
JP2011205230A (ja) 2010-03-24 2011-10-13 Fujitsu Semiconductor Ltd Ａ／ｄ変換器

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US20230261664A1 (en) 2023-08-17
US12328128B2 (en) 2025-06-10
WO2022097191A1 (ja) 2022-05-12
JPWO2022097191A1 (https=) 2022-05-12

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