HK1224474A1 - 用於實施擴展範圍逐次逼近模/數轉換器的方法及系統 - Google Patents

用於實施擴展範圍逐次逼近模/數轉換器的方法及系統

Info

Publication number
HK1224474A1
HK1224474A1 HK16112727.7A HK16112727A HK1224474A1 HK 1224474 A1 HK1224474 A1 HK 1224474A1 HK 16112727 A HK16112727 A HK 16112727A HK 1224474 A1 HK1224474 A1 HK 1224474A1
Authority
HK
Hong Kong
Prior art keywords
implementing
digital converter
successive approximation
extended range
approximation analog
Prior art date
Application number
HK16112727.7A
Other languages
English (en)
Inventor
辛勒．米克爾森
托雷．馬丁努森
Original Assignee
Omnivision Tech 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 Omnivision Tech Inc filed Critical Omnivision Tech Inc
Publication of HK1224474A1 publication Critical patent/HK1224474A1/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/70—SSIS architectures; Circuits associated therewith
    • H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
    • H04N25/78—Readout circuits for addressed sensors, e.g. output amplifiers or A/D converters
    • 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
    • H03M1/129—Means for adapting the input signal to the range the converter can handle, e.g. limiting, pre-scaling ; Out-of-range indication
    • H03M1/1295—Clamping, i.e. adjusting the DC level of the input signal to a predetermined value
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/70—SSIS architectures; Circuits associated therewith
    • H04N25/71—Charge-coupled device [CCD] sensors; Charge-transfer registers specially adapted for CCD sensors
    • H04N25/75—Circuitry for providing, modifying or processing image signals from the pixel array
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/70—SSIS architectures; Circuits associated therewith
    • H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
    • H04N25/77—Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components
    • H04N25/772—Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components comprising A/D, V/T, V/F, I/T or I/F converters
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
HK16112727.7A 2015-01-27 2016-11-04 用於實施擴展範圍逐次逼近模/數轉換器的方法及系統 HK1224474A1 (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14/606,837 US9391632B1 (en) 2015-01-27 2015-01-27 Method and system for implementing an extended range approximation analog-to-digital converter

Publications (1)

Publication Number Publication Date
HK1224474A1 true HK1224474A1 (zh) 2017-08-18

Family

ID=56321171

Family Applications (1)

Application Number Title Priority Date Filing Date
HK16112727.7A HK1224474A1 (zh) 2015-01-27 2016-11-04 用於實施擴展範圍逐次逼近模/數轉換器的方法及系統

Country Status (4)

Country Link
US (1) US9391632B1 (zh)
CN (1) CN105828004B (zh)
HK (1) HK1224474A1 (zh)
TW (1) TWI574514B (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10015429B2 (en) * 2015-12-30 2018-07-03 Omnivision Technologies, Inc. Method and system for reducing noise in an image sensor using a parallel multi-ramps merged comparator analog-to-digital converter
US9692442B1 (en) * 2016-09-30 2017-06-27 Cypress Semiconductor Corporation Digital-to-analog converter with a sample and hold circuit and a continuous-time programmable block
US10291252B1 (en) 2018-05-31 2019-05-14 Shenzhen GOODIX Technology Co., Ltd. Successive approximation register (SAR) analog to digital converter (ADC) dynamic range extension
KR102614088B1 (ko) * 2018-08-06 2023-12-18 삼성전자주식회사 이미지 신호 프로세서 및 이미지 신호 프로세서를 포함하는 전자 장치
US10797716B1 (en) * 2019-09-09 2020-10-06 Semiconductor Components Industries, Llc Imaging systems having successive approximation register (SAR) analog-to-digital converters with reduced non-linearity

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0761019B2 (ja) * 1986-06-19 1995-06-28 日本電気株式会社 アナログ・デイジタル変換器
US5334998A (en) * 1991-07-05 1994-08-02 Sun Microsystems, Inc. Method and apparatus for utilizing blanking on both zero setup and pedestal setup display monitors with a conventional computer system
JP2010063055A (ja) * 2008-09-08 2010-03-18 Sony Corp 逐次比較型ａ／ｄ変換器、逐次比較型ａ／ｄ変換器の制御方法、固体撮像装置および撮像装置
JP5272860B2 (ja) * 2009-04-08 2013-08-28 ソニー株式会社 固体撮像素子およびカメラシステム
JP5062213B2 (ja) * 2009-04-08 2012-10-31 ミツミ電機株式会社 逐次比較型ａｄ変換回路
US8823850B2 (en) * 2010-12-30 2014-09-02 Hynix Semiconductor Inc. Image processing system with on-chip test mode for column ADCs
US8843343B2 (en) * 2011-10-31 2014-09-23 Aptina Imaging Corporation Failsafe image sensor with real time integrity checking of pixel analog paths and digital data paths
US8766839B2 (en) * 2012-09-07 2014-07-01 Texas Instruments Incorporated Reducing the effect of elements mismatch in a SAR ADC
US9077371B2 (en) * 2012-10-31 2015-07-07 Qualcomm Incorporated Methods and apparatus for a successive approximation register analog-to-digital converter
US9083899B2 (en) * 2013-02-21 2015-07-14 Omnivision Technologies, Inc. Circuit structure for providing conversion gain of a pixel array
US9224782B2 (en) * 2013-04-19 2015-12-29 Semiconductor Components Industries, Llc Imaging systems with reference pixels for image flare mitigation
US9071261B2 (en) * 2013-10-01 2015-06-30 Analog Devices, Inc. Accuracy enhancement techniques for ADCs

Also Published As

Publication number Publication date
TWI574514B (zh) 2017-03-11
US20160218735A1 (en) 2016-07-28
CN105828004B (zh) 2017-11-17
US9391632B1 (en) 2016-07-12
TW201640829A (zh) 2016-11-16
CN105828004A (zh) 2016-08-03

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