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Paper Abstract and Keywords
Presentation 2010-07-23 13:20
[Invited Talk] An All-Digital and Scalable Time-Mode A/D Converter TAD -- Challenge for Sensor Circuit Digitalization --
Takamoto Watanabe (DENSO)
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, sensor technology has become one of the most important and critical items for many sophisticated systems such as various mobile devices, audio/visual and household-electrical appliances, medical and biological equipment, and especially booming robot systems. In these domains sensors must deliver higher performance, be more compact, less expensive, and more reliable, and these requirements grow stronger by the day. Moreover, with the explosive growth in the number of sensors in systems, there is a great demand for sensor low-power consumption and sensor networks. Accordingly, the most effective solution must be sensor digitalization for any and all sensors as a whole. However, many sensors still remain as an analog method. The reason is that conventional types of ADCs are not very appropriate for universal sensor applications. We have therefore developed an all-digital A/D converter TAD (Time A/D converter) with a scalable time-mode method. This paper describes the following: The TAD operation principle and its circuit structure, evaluation results, sensor application examples, and scaling effects and possibilities with 65nm-CMOS TAD. Finally, multi-functionality based on time-mode construction is discussed.
Keyword (in Japanese) (See Japanese page) 
(in English) Sensor / Interface / Analog-to-digital / ADC / TDC / TAD / CMOS / Low-power  
Reference Info. ITE Tech. Rep., vol. 34, no. 29, IST2010-38, pp. 95-100, July 2010.
Paper # IST2010-38 
Date of Issue 2010-07-16 (IST) 
ISSN Print edition: ISSN 1342-6893
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Conference Information
Committee IST IEICE-ICD  
Conference Date 2010-07-22 - 2010-07-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Josho Gakuen Osaka Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Analog, Mixed analog and digital, RF, and sensor interface circuitry 
Paper Information
Registration To IST 
Conference Code 2010-07-IST-ICD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An All-Digital and Scalable Time-Mode A/D Converter TAD 
Sub Title (in English) Challenge for Sensor Circuit Digitalization 
Keyword(1) Sensor  
Keyword(2) Interface  
Keyword(3) Analog-to-digital  
Keyword(4) ADC  
Keyword(5) TDC  
Keyword(6) TAD  
Keyword(7) CMOS  
Keyword(8) Low-power  
1st Author's Name Takamoto Watanabe  
1st Author's Affiliation DENSO CORPORATION (DENSO)
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Speaker Author-1 
Date Time 2010-07-23 13:20:00 
Presentation Time 50 minutes 
Registration for IST 
Paper # IST2010-38 
Volume (vol) vol.34 
Number (no) no.29 
Page pp.95-100 
Date of Issue 2010-07-16 (IST) 

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