CN105828004B - 用于实施扩展范围逐次逼近模/数转换器的方法及系统 - Google Patents
用于实施扩展范围逐次逼近模/数转换器的方法及系统 Download PDFInfo
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- CN105828004B CN105828004B CN201610048436.7A CN201610048436A CN105828004B CN 105828004 B CN105828004 B CN 105828004B CN 201610048436 A CN201610048436 A CN 201610048436A CN 105828004 B CN105828004 B CN 105828004B
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- China
- Prior art keywords
- adc
- circuit
- sar
- extra bits
- dac
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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
- H03M1/12—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
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- 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)
Abstract
Description
Claims (25)
Applications Claiming Priority (2)
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 |
US14/606,837 | 2015-01-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105828004A CN105828004A (zh) | 2016-08-03 |
CN105828004B true CN105828004B (zh) | 2017-11-17 |
Family
ID=56321171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610048436.7A Active CN105828004B (zh) | 2015-01-27 | 2016-01-25 | 用于实施扩展范围逐次逼近模/数转换器的方法及系统 |
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)
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 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101674086A (zh) * | 2008-09-08 | 2010-03-17 | 索尼株式会社 | 逐次逼近型a/d转换器及其控制方法、固体摄像器件和摄像装置 |
CN101860688A (zh) * | 2009-04-08 | 2010-10-13 | 索尼公司 | 固态摄像器件和相机系统 |
Family Cites Families (10)
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 |
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 |
-
2015
- 2015-01-27 US US14/606,837 patent/US9391632B1/en active Active
-
2016
- 2016-01-25 CN CN201610048436.7A patent/CN105828004B/zh active Active
- 2016-01-26 TW TW105102376A patent/TWI574514B/zh active
- 2016-11-04 HK HK16112727.7A patent/HK1224474A1/zh unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101674086A (zh) * | 2008-09-08 | 2010-03-17 | 索尼株式会社 | 逐次逼近型a/d转换器及其控制方法、固体摄像器件和摄像装置 |
CN101860688A (zh) * | 2009-04-08 | 2010-10-13 | 索尼公司 | 固态摄像器件和相机系统 |
Also Published As
Publication number | Publication date |
---|---|
TW201640829A (zh) | 2016-11-16 |
US20160218735A1 (en) | 2016-07-28 |
TWI574514B (zh) | 2017-03-11 |
US9391632B1 (en) | 2016-07-12 |
HK1224474A1 (zh) | 2017-08-18 |
CN105828004A (zh) | 2016-08-03 |
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