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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Malfatti, M. Perenzoni, M. Stoppa, D. Simoni, A. Adami, A. |
| Copyright Year | 2006 |
| Description | Author affiliation: Microsystems Div., Center for Sci. & Technol. Res., Trento (Malfatti, M.; Perenzoni, M.; Stoppa, D.; Simoni, A.; Adami, A.) |
| Abstract | A complete front-end system for resistive gas sensor array is presented. The interface is composed by 8 read-out channels and by 2 closed-loop temperature control circuits. The IC gas sensor read-out structure is based on a controlled oscillator, which acts like a resistance-to-period converter, and achieves a 0.5%-linearity over 500 kOmega-1 GOmega sensor resistance range with a SNR better than 48 dB, corresponding to 114 dB-DR. The temperature control systems allows maintaining a 100degC gradient on the array of sensor, selected in the temperature range 100degC-400degC, with a plusmn2.5degC accuracy. The full device is designed in a standard 0.35 mum CMOS technology. The die area is 1.8 $mm^{2}$ with a total power consumption of 27 mW from a single 3.3 V supply voltage |
| Starting Page | 2013 |
| Ending Page | 2016 |
| File Size | 743620 |
| Page Count | 4 |
| File Format | |
| ISBN | 0780393597 |
| ISSN | 10915281 |
| DOI | 10.1109/IMTC.2006.328398 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2006-04-24 |
| Publisher Place | Italy |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Sensor arrays Dynamic range Gas detectors Temperature control Temperature sensors CMOS technology Circuits Oscillators Sensor systems Temperature distribution Resistance measurement Front-end Gas sensor array |
| Content Type | Text |
| Resource Type | Article |
| Subject | Instrumentation Electrical and Electronic Engineering |
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