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A sub-1V 3.9µW bandgap reference with a 3σ inaccuracy of ±0.34% from −50°C to +150°C using piecewise-linear-current curvature compensation

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4 Author(s)
Sano, S. ; Renesas Electron. Corp., Kodaira, Japan ; Takahashi, Y. ; Horiguchi, M. ; Ota, M.

A sub-1V 3.9μW bandgap reference (BGR) with small voltage variation of ±0.34% and low temperature drift (1mV) over a wide temperature range (-50°C ~ +150°C) and a wide voltage range (+0.9 V ~ +5.5V) by using a low power current mode BGR core and a piecewise-linear curvature compensation system. The BGR occupies 0.1mm2 in 0.13μm CMOS technology with triple well structure.

Published in:

VLSI Circuits (VLSIC), 2012 Symposium on

Date of Conference:

13-15 June 2012