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Paper Abstract and Keywords
Presentation 2011-07-21 14:00
[Invited Talk] An All-Digital Time A/D Converter TAD for Digital Sensors -- High-Temperature Operation and Multi-Function Application --
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 equipments, medical and biological devices, and especially booming robot systems. Even today’s sensors are still analog types. In these domains sensors must deliver higher performance, be more compact, less expensive, and low-power consumption for sensor networks. Accordingly, the most effective solution must be sensor digitalization for any and all sensors as a whole. We have earlier reported an all-digital A/D converter TAD (Time A/D converter) as a scalable ADC [1]. More and more such demands will grow with expanding applications under severe conditions. Therefore, sensor digitalization will be more important for achieving higher reliability and durability. This paper describes the following: The TAD-type TDC (Time-to-Digital Converter) basic structure, evaluation results (−35–140 °C), and sensor prototype examples (−40–150 °C). Finally, a resolution-improvement method based on time-mode operation and OFDM-application example using multi-functionality are introduced.
Keyword (in Japanese) (See Japanese page) 
(in English) Sensor / Interface / ADC / TDC / TAD / CMOS / Digital / High-temperature  
Reference Info. ITE Tech. Rep., vol. 35, no. 28, IST2011-47, pp. 43-48, July 2011.
Paper # IST2011-47 
Date of Issue 2011-07-14 (IST) 
ISSN Print edition: ISSN 1342-6893
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Conference Information
Committee IST IEICE-ICD  
Conference Date 2011-07-21 - 2011-07-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Hiroshima Institute of Technology 
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 2011-07-IST-ICD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An All-Digital Time A/D Converter TAD for Digital Sensors 
Sub Title (in English) High-Temperature Operation and Multi-Function Application 
Keyword(1) Sensor  
Keyword(2) Interface  
Keyword(3) ADC  
Keyword(4) TDC  
Keyword(5) TAD  
Keyword(6) CMOS  
Keyword(7) Digital  
Keyword(8) High-temperature  
1st Author's Name Takamoto Watanabe  
1st Author's Affiliation DENSO CORPORATION (DENSO)
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Speaker Author-1 
Date Time 2011-07-21 14:00:00 
Presentation Time 50 minutes 
Registration for IST 
Paper # IST2011-47 
Volume (vol) vol.35 
Number (no) no.28 
Page pp.43-48 
Date of Issue 2011-07-14 (IST) 

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