IEICE Electronics Express
Online ISSN : 1349-2543
LETTER
A 12.8 nA and 7.2 ppm/°C CMOS voltage reference without amplifier
Yanhan ZengSifan HuangXin ZhangHong-zhou Tan
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JOURNALS FREE ACCESS

2018 Volume 15 Issue 3 Pages 20171220

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Abstract

Based on the negative feedback technique, an ultra-low-power CMOS voltage reference without amplifier is proposed using a 0.18 µm CMOS technology. The proposed voltage reference achieves a temperature coefficient (TC) of 7.2 ppm/°C when the temperature ranges from −20 °C to 80 °C, only consuming 12.8-nA current at room temperature. Besides, the minimum supply voltage is 0.75 V and line sensitivity (LS) is 0.24 mV/V when supply voltage ranges from 0.75 V to 3.5 V. The power supply rejection ratio (PSRR) is only −79 dB at 100 Hz, −56 dB at 1 MHz, respectively.

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© 2018 by The Institute of Electronics, Information and Communication Engineers
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