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Paper Abstract and Keywords
Presentation 2020-11-18 09:55
Column-Parallel Pipelined ADC with Ring Amplifier for High Speed and High Spatial Resolution CMOS Image Sensor
Takashi Kojima (TUS), Toshinori Otaka, Yusuke Kameda, Takayuki Hamamoto (TUS) VLD2020-28 ICD2020-48 DC2020-48 RECONF2020-47
Abstract (in Japanese) (See Japanese page) 
(in English) CMOS image sensor that can capture images with both high time resolution and high spatial resolution is required for inspection and measurement at factories. Pipeline ADCs are suitable for high-speed imaging, but the area of the ADC is an issue and it is difficult to increase the number of pixels. If the area of the internal operational amplifier is reduced, the ADC accuracy will decrease due to a decrease in gain. On the other hand, ring amplifier can realize stabilization and multi-stage gain in a small area by limiting the loop band by itself during settling. In this research, we propose a small-area row-parallel pipeline ADC that uses a ring amplifier as an amplifier and comparator in order to realize a high-speed, high-resolution CMOS image sensor.
Keyword (in Japanese) (See Japanese page) 
(in English) CMOS image sensor / Analog to digital converter / Pipelined ADC / Ring amplifer / / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 235, ICD2020-48, pp. 101-105, Nov. 2020.
Paper # ICD2020-48 
Date of Issue 2020-11-10 (VLD, ICD, DC, RECONF) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF VLD2020-28 ICD2020-48 DC2020-48 RECONF2020-47

Conference Information
Conference Date 2020-11-17 - 2020-11-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Design Gaia 2020 -New Field of VLSI Design- 
Paper Information
Registration To ICD 
Conference Code 2020-11-VLD-DC-RECONF-ICD-SLDM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Column-Parallel Pipelined ADC with Ring Amplifier for High Speed and High Spatial Resolution CMOS Image Sensor 
Sub Title (in English)  
Keyword(1) CMOS image sensor  
Keyword(2) Analog to digital converter  
Keyword(3) Pipelined ADC  
Keyword(4) Ring amplifer  
1st Author's Name Takashi Kojima  
1st Author's Affiliation Tokyo University of science (TUS)
2nd Author's Name Toshinori Otaka  
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3rd Author's Name Yusuke Kameda  
3rd Author's Affiliation Tokyo University of science (TUS)
4th Author's Name Takayuki Hamamoto  
4th Author's Affiliation Tokyo University of science (TUS)
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Speaker Author-1 
Date Time 2020-11-18 09:55:00 
Presentation Time 25 minutes 
Registration for ICD 
Paper # VLD2020-28, ICD2020-48, DC2020-48, RECONF2020-47 
Volume (vol) vol.120 
Number (no) no.234(VLD), no.235(ICD), no.236(DC), no.237(RECONF) 
Page pp.101-105 
Date of Issue 2020-11-10 (VLD, ICD, DC, RECONF) 

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