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A curvature-corrected low-voltage bandgap reference

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4 Author(s)
M. Gunawan ; Dept. of Electr. Eng., Delft Univ. of Technol., Netherlands ; G. C. M. Meijer ; J. Fonderie ; J. H. Huijsing

A curvature-corrected bandgap reference that can function at supply voltages as low as 1 V, at a supply current of only 100 μA, is presented. After trimming, this bandgap reference has a temperature coefficient (TC) of ±4 p.p.m./°C. The reference voltage is about 200 mV and it can easily be adjusted to higher values. The temperature range of this circuit is from 0 to 125°C. This bandgap reference is realized using a standard bipolar process with base-diffused resistors

Published in:

IEEE Journal of Solid-State Circuits  (Volume:28 ,  Issue: 6 )