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Voltage reference architectures for low-supply-voltage low-power applications |
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| Affiliation: | 1. Department of Electronic and Communication Engineering, Istanbul Technical University, Istanbul, Turkey;2. Department of Electrical, Computer and Biomedical Engineering, University of Pavia, Pavia, Italy;3. Analog Devices, Inc., Istanbul, Turkey;1. School of Computing and Electrical Engineering, IIT Mandi, Mandi 175005, India;2. Dipartimenta di Fisica, Universitá degli Studi di Milano, Via Giovanni Celoria 16, 20133 Milan, Italy;3. Department of Electrical Engineering, IIT Delhi, Hauz Khas, New Delhi 110016, India |
| Abstract: | This paper presents a voltage reference generator architecture and two different realizations of it that have been fabricated within a standard 0.18 μm CMOS technology. The architecture takes the advantage of utilizing a sampled-data amplifier (SDA) to optimize the power consumption. The circuits achieve output voltages on the order of 190 mV with temperature coefficients of 43 ppm/°C and 52.5 ppm/°C over the temperature range of 0 to 120°C without any trimming with a 0.8 V single supply. The power consumptions of the circuits are less then 500 nW while occupying an area of 0.2 mm2 and 0.08 mm2, respectively. |
| Keywords: | Voltage references Analog integrated circuits Low power low voltage circuits |
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