Affiliation:
1. School of Integrated Circuit Science and Engineering University of Electronic Science and Technology of China Sichuan China
Abstract
AbstractThis paper proposes a novel bandgap voltage reference (BGR) with low temperature coefficient, ultra‐low noise and without start‐up circuit. Designed in a TSMC 180‐nm CMOS technology, this bandgap voltage reference operates in the temperature range of −55 to 125°C with 5‐V voltage supply and provides a 1.2‐V output voltage VBG. A 16.8 ppm/°C temperature coefficient (TC) and the output RMS noise from 0.1 to 10 Hz of 1.69 µV is achieved. The circuit‐level simulation results verify the presented structure. By the improved architecture of the IPTAT generation stage, the proposed BGR can be powered on normally without designing additional start‐up circuit to eliminate equilibrium point, which greatly simplifies the circuit complexity.
Funder
Natural Science Foundation of Sichuan Province
National Natural Science Foundation of China
Publisher
Institution of Engineering and Technology (IET)
Subject
Electrical and Electronic Engineering
Cited by
1 articles.
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