A Oneshot Digital Correlated Double Sampling With A Differential Difference Amplifier For A High Speed Cmos Image Sensor

• doi: 10.1109/ISCAS.2015.7168818
• title: A one-shot digital correlated double sampling with a differential difference amplifier for a high speed CMOS image sensor
• publisher: IEEE
• isbn: 978-1-4799-8391-9
• issn: 2158-1525
• rank: 1231
• access_type: LOCKED
• content_type: Conferences
• abstract: In order to raise the operating speed of a CMOS image sensor (CIS), a new technique of digital correlated double sampling (CDS) is described. In general, a fixed pattern noise (FPN) of a CIS has been reduced with the subtraction algorithm between the reset signal and pixel signal. This is because a single-slope analog-to-digital converter (ADC) has been normally adopted in the conventional digital CDS with the reset ramp and signal ramp. Thus, the operating speed of a digital CDS is much slower than that of an analog CDS. In order to improve the operating speed, we propose a one-shot digital CDS based on a differential difference amplifier (DDA) that compares the reset signal and the pixel signal using only one ramp. The prototype CIS has been fabricated with 0.13μm CIS technology and it has the VGA resolution of 640×480. The measured conversion time is 16 μs, and a high frame rate of 131fps is achieved at the VGA resolution.
• article_number: 7168818
• pdf_url: https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=7168818
• html_url: https://ieeexplore.ieee.org/document/7168818/
• abstract_url: https://ieeexplore.ieee.org/document/7168818/
• publication_title: 2015 IEEE International Symposium on Circuits and Systems (ISCAS)
• conference_location: Lisbon, Portugal
• conference_dates: 24-27 May 2015
• publication_number: 7152138
• is_number: 7168553
• publication_year: 2015
• publication_date: 24-27 May 2015
• start_page: 1054
• end_page: 1057
• citing_paper_count: 7
• citing_patent_count: 0
• download_count: 2090
• insert_date: 20150730
• index_terms:
  • ieee_terms:
    • CMOS image sensors
    • Solid state circuits
    • Signal resolution
    • Capacitors
    • Radiation detectors
    • Image resolution
    • Timing
  • author_terms:
    • one-shot digital correlated double sampling
    • fixed pattern noise
    • differential difference amplifier
    • CMOS Image Sensor
  • dynamic_index_terms:
    • Image Sensor
    • Camera Sensor
    • Differential Amplifier
    • High-speed CMOS
    • Correlated Double Sampling
    • Differential-difference Amplifier
    • Analog-to-digital Converter
    • Analog-to-digital
    • Digital-to-analog Converter
    • Operation Speed
    • High Frame Rate
    • Subtraction Algorithm
    • Equilibrium State
    • Equilibrium Conditions
    • Thermodynamic Equilibrium
    • End Of Region
    • Counting Mode
    • Digital Block
• isbn_formats:
  • format: Electronic ISBN, value: 978-1-4799-8391-9, isbnType: New-2005
• authors:
  • Author Name: Suho Son
    Affiliation: Dept. of Semiconductor Science, Dongguk University, Seoul, KOREA
    Author URL: https://ieeexplore.ieee.org/author/37085486511
    ID: 37085486511
    Order: 1
    Author Affiliations:
    • Dept. of Semiconductor Science, Dongguk University, Seoul, KOREA
  • Author Name: Shiwon Jeon
    Affiliation: Dept. of Semiconductor Science, Dongguk University, Seoul, KOREA
    Author URL: https://ieeexplore.ieee.org/author/37085480312
    ID: 37085480312
    Order: 2
    Author Affiliations:
    • Dept. of Semiconductor Science, Dongguk University, Seoul, KOREA
  • Author Name: Seol Namgung
    Affiliation: Dept. of Semiconductor Science, Dongguk University, Seoul, KOREA
    Author URL: https://ieeexplore.ieee.org/author/37085491728
    ID: 37085491728
    Order: 3
    Author Affiliations:
    • Dept. of Semiconductor Science, Dongguk University, Seoul, KOREA
  • Author Name: Jieun Yoo
    Affiliation: Dept. of Semiconductor Science, Dongguk University, Seoul, KOREA
    Author URL: https://ieeexplore.ieee.org/author/37085498284
    ID: 37085498284
    Order: 4
    Author Affiliations:
    • Dept. of Semiconductor Science, Dongguk University, Seoul, KOREA
  • Author Name: Minkyu Song
    Affiliation: Dept. of Semiconductor Science, Dongguk University, Seoul, KOREA
    Author URL: https://ieeexplore.ieee.org/author/37349492100
    ID: 37349492100
    Order: 5
    Author Affiliations:
    • Dept. of Semiconductor Science, Dongguk University, Seoul, KOREA

Image Sensor

• sensor_type: CMOS
• resolution: 640x480
• dynamic_range: Not specified
• pixel_size: 5.6 x 5.6
• dark_current: Not specified

Optical Data

• focal_length: Not specified
• aperture: Not specified
• field_of_view: Not specified
• distortion: Not specified

Performance Metrics

• frame_rate: 131 fps
• power_consumption: 39.2 mW

Applications & Benefits

• cell_imaging: Used in applications such as smartphones, medical devices, and automotive systems.
• benefits: High speed and quality imaging with a frame rate of 131 fps, reduced fixed pattern noise through one-shot digital CDS.

Supporting Organizations

• supported_by: Center for Integrated Smart Sensors funded by the Ministry of Science, ICT & Future Planning as Global Frontier Project (CISS-2013M3A6A6073718)

Manuscript Details

• publication_date: 24-27 May 2015

Relevancy Score

• score: 9
• missing_fields:
  • dynamic_range
  • dark_current
  • focal_length
  • aperture
  • field_of_view
  • distortion
  • signal_to_noise_ratio
  • sensitivity
  • shutter_speed
  • noise

Processed JSON Filename

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