JP7762141B2 - コンパレータ及びアナログ－デジタル変換器 - Google Patents

コンパレータ及びアナログ－デジタル変換器

Info

Publication number
JP7762141B2
JP7762141B2 JP2022511996A JP2022511996A JP7762141B2 JP 7762141 B2 JP7762141 B2 JP 7762141B2 JP 2022511996 A JP2022511996 A JP 2022511996A JP 2022511996 A JP2022511996 A JP 2022511996A JP 7762141 B2 JP7762141 B2 JP 7762141B2
Authority
JP
Japan
Prior art keywords
comparator
signal
output
input terminal
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.)
Active
Application number
JP2022511996A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2021200416A1 (https=
Inventor
雄貴 八木下
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.)
Sony Semiconductor Solutions Corp
Original Assignee
Sony Semiconductor Solutions 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 Sony Semiconductor Solutions Corp filed Critical Sony Semiconductor Solutions Corp
Publication of JPWO2021200416A1 publication Critical patent/JPWO2021200416A1/ja
Application granted granted Critical
Publication of JP7762141B2 publication Critical patent/JP7762141B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H03M1/34—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
    • 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
    • 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
    • H03M1/08—Continuously compensating for, or preventing, undesired influence of physical parameters of noise
    • H03M1/0854—Continuously compensating for, or preventing, undesired influence of physical parameters of noise of quantisation noise
    • 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
    • H03M1/08—Continuously compensating for, or preventing, undesired influence of physical parameters of noise
    • H03M1/0863—Continuously compensating for, or preventing, undesired influence of physical parameters of noise of switching transients, e.g. glitches
    • 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
    • H03M1/662—Multiplexed conversion systems
    • 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
    • H03M1/72—Sequential conversion in series-connected stages
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
    • H03K5/24—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude
    • H03K5/2472—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude using field effect transistors
    • H03K5/2481—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude using field effect transistors with at least one differential stage

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Manipulation Of Pulses (AREA)
  • Analogue/Digital Conversion (AREA)
JP2022511996A 2020-03-30 2021-03-23 コンパレータ及びアナログ－デジタル変換器 Active JP7762141B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020061363 2020-03-30
JP2020061363 2020-03-30
PCT/JP2021/012087 WO2021200416A1 (ja) 2020-03-30 2021-03-23 コンパレータ及びアナログ－デジタル変換器

Publications (2)

Publication Number Publication Date
JPWO2021200416A1 JPWO2021200416A1 (https=) 2021-10-07
JP7762141B2 true JP7762141B2 (ja) 2025-10-29

Family

ID=77927087

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022511996A Active JP7762141B2 (ja) 2020-03-30 2021-03-23 コンパレータ及びアナログ－デジタル変換器

Country Status (3)

Country Link
US (1) US12107595B2 (https=)
JP (1) JP7762141B2 (https=)
WO (1) WO2021200416A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11777482B2 (en) * 2021-05-24 2023-10-03 Mediatek Inc. Gain-boosted comparator
CN116170021B (zh) * 2021-11-24 2025-09-02 深圳市中兴微电子技术有限公司 流水线逐次逼近型模数转换器、集成电路和电子设备

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011061337A (ja) 2009-09-08 2011-03-24 Ricoh Co Ltd ヒステリシスコンパレータ

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5148162A (en) * 1991-04-09 1992-09-15 Tektronix, Inc. Analog-to-digital converter comparator circuit utilizing a reverse polarity sampling technique
US5491448A (en) * 1994-07-29 1996-02-13 National Semiconductor Corporation Class AB output stage with improved frequency stability

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011061337A (ja) 2009-09-08 2011-03-24 Ricoh Co Ltd ヒステリシスコンパレータ

Also Published As

Publication number Publication date
US12107595B2 (en) 2024-10-01
JPWO2021200416A1 (https=) 2021-10-07
US20230179220A1 (en) 2023-06-08
WO2021200416A1 (ja) 2021-10-07

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