التفاصيل البيبلوغرافية
| العنوان: |
Dual-mode wide-range linear CMOS interface circuit for resistive sensors. |
| المؤلفون: |
Sung-Woo Kim1, Won-Jin Eom1, Jaehyouk Choi1, Jae Joon Kim1 jaejoon@unist.ac.kr |
| المصدر: |
Electronics Letters (Wiley-Blackwell). 10/23/2014, Vol. 50 Issue 22, p1575-1577. 2p. 2 Diagrams, 4 Graphs. |
| مصطلحات موضوعية: |
*RESEARCH, INTERFACE circuits, COMPLEMENTARY metal oxide semiconductors, DETECTORS, DIGITAL electronics, ELECTRONIC circuit design |
| مستخلص: |
A dual-mode adaptive method to provide a wide-range linear sensing characteristic over various resistive sensors is presented. A high-R mode acts as a resistance-to-digital converter without an analogue-to-digital converter (ADC), and a low-R mode utilises an adaptive current source to keep the required ADC resolution below 8 bits. A prototype of the dual-mode sensor interface was fabricated in a 0.18 μm CMOS process, and its measured coverage of sensor resistance was from 750 to 1.2 MΩ. The power dissipation with a 1.8 V supply was 2.6-3.1 μW in the high-R mode and 0.31-2.1 mW in the low-R mode. [ABSTRACT FROM AUTHOR] |
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