| IEICE Technical Committee Submission System Conference Paper's Information |
Online Proceedings [Sign in] Tech. Rep. Archives |
| Go Top Page | Go Previous | [Japanese] / [English] |
| Paper Abstract and Keywords | ||
| Presentation | 2009-12-15 15:10 Non-binary SAR ADC with Digital Compensation of Comparator Offset Effect Tomohiko Ogawa (Gunma Univ), Tatsuji Mtsuura (Renesas), Haruo Kobayashi, Nobukazu Takai (Gunma Univ), Masao Hotta, Hao San (Tokyo City Univ)  ICD2009-101 Link to ES Tech. Rep. Archives: ICD2009-101 |
|
| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper describes techniques for creating a low-power SAR ADC with an error-correcting non-binary successive approximation algorithm: (1) We propose a non-binary SAR ADC with two dynamic comparators; a low-power high-noise comparator for the first conversion stages, and a second comparator with lower noise but higher power consumption for the last stages. Comparator decision errors -- due to the high noise of the first conversion stages, and offset mismatch between the two comparators -- are digitally corrected by the error-correcting non-binary successive approximation algorithm. (2) For realizing low power consumption, a charge-sharing SAR ADC using a binary successive approximation algorithm would be attractive. However the comparator offset in the ADC degrades the ADC linearity, and this offset is usually calibrated by an analog method. Here we propose a charge-sharing SAR ADC with an error-correcting non-binary algorithm, and with digital correction of comparator offset, so that analog calibration is not required. (3) We also propose a non-binary charge-sharing SAR ADC with two dynamic comparators, which is the combination of (1) and (2). This makes further low power implementation possible without analog calibration. |
|
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | SAR ADC / Comparator / Low Power / Redundancy / Digitally-Assisted Analog Technology / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 336, ICD2009-101, pp. 139-144, Dec. 2009. | |
| Paper # | ICD2009-101 | |
| Date of Issue | 2009-12-07 (ICD) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
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 | ICD2009-101 Link to ES Tech. Rep. Archives: ICD2009-101 |
|
| Conference Information | |
| Committee | ICD |
| Conference Date | 2009-12-14 - 2009-12-15 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Shizuoka University (Hamamatsu) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | ICD |
| Conference Code | 2009-12-ICD |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Non-binary SAR ADC with Digital Compensation of Comparator Offset Effect |
| Sub Title (in English) | * |
| Keyword(1) | SAR ADC |
| Keyword(2) | Comparator |
| Keyword(3) | Low Power |
| Keyword(4) | Redundancy |
| Keyword(5) | Digitally-Assisted Analog Technology |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Tomohiko Ogawa |
| 1st Author's Affiliation | Gunma University (Gunma Univ) |
| 2nd Author's Name | Tatsuji Mtsuura |
| 2nd Author's Affiliation | Renesas Technology (Renesas) |
| 3rd Author's Name | Haruo Kobayashi |
| 3rd Author's Affiliation | Gunma University (Gunma Univ) |
| 4th Author's Name | Nobukazu Takai |
| 4th Author's Affiliation | Gunma University (Gunma Univ) |
| 5th Author's Name | Masao Hotta |
| 5th Author's Affiliation | Tokyo City University (Tokyo City Univ) |
| 6th Author's Name | Hao San |
| 6th Author's Affiliation | Tokyo City University (Tokyo City Univ) |
| 7th Author's Name | |
| 7th Author's Affiliation | () |
| 8th Author's Name | |
| 8th Author's Affiliation | () |
| 9th Author's Name | |
| 9th Author's Affiliation | () |
| 10th Author's Name | |
| 10th Author's Affiliation | () |
| 11th Author's Name | |
| 11th Author's Affiliation | () |
| 12th Author's Name | |
| 12th Author's Affiliation | () |
| 13th Author's Name | |
| 13th Author's Affiliation | () |
| 14th Author's Name | |
| 14th Author's Affiliation | () |
| 15th Author's Name | |
| 15th Author's Affiliation | () |
| 16th Author's Name | |
| 16th Author's Affiliation | () |
| 17th Author's Name | |
| 17th Author's Affiliation | () |
| 18th Author's Name | |
| 18th Author's Affiliation | () |
| Speaker | Author-1 |
| Date Time | 2009-12-15 15:10:00 |
| Presentation Time | 25 minutes |
| Registration for | ICD |
| Paper # | ICD2009-101 |
| Volume (vol) | vol.109 |
| Number (no) | no.336 |
| Page | pp.139-144 |
| #Pages | 6 |
| Date of Issue | 2009-12-07 (ICD) |
[Return to Top Page]