Paper Info
Title
A Resistorless CMOS Voltage Reference Based on Mutual Compensation of and
Abstract
A novel temperature-stable nonbandgap voltage reference without resistors is presented in this brief, which is compatible with standard digital CMOS technology. Two linear-temperature terms, i.e., thermal voltage VT and threshold voltage VTH, are utilized to realize a low-temperature-dependent voltage reference with a significant reduction of nonlinear temperature terms. A self-biased threshold-voltage extractor circuit without any resistor is used to obtain the VTH and bias currents of the whole circuit. Based on ratioed transistors biased in a strong inversion region and the inverse-function technique, a temperature-insensitive gain can be applied to the proportional-to-absolute temperature term in the reference, and a weighted sum of VT and VTH is achieved. Experimental results of the proposed voltage reference implemented with a 0.35- μm CMOS process demonstrate that the output of voltage reference is 905.5 mV, a temperature coefficient of 14.8 ppm/°C with a temperature range of 0°C-100 °C is obtained at a 3.3-V power supply, and a power-supply noise attenuation of 61 dB is achieved without any filtering capacitor while dissipating a maximum supply current of 65 μA. The active area is 100 μm ×100 μm.
Year
DOI
Venue
2013
10.1109/TCSII.2013.2268639
Circuits and Systems II: Express Briefs, IEEE Transactions
Keywords
DocType
Volume
CMOS digital integrated circuits,compensation,reference circuits,bias currents,digital CMOS technology,inverse-function technique,linear-temperature terms,low-temperature-dependent voltage reference,mutual compensation,nonlinear temperature term reduction,power-supply noise attenuation,proportional-to-absolute temperature term,ratioed transistors,resistorless CMOS voltage reference,self-biased threshold-voltage extractor circuit,size 0.35 mum,strong inversion region,temperature-insensitive gain,temperature-stable nonbandgap voltage reference,thermal voltage,voltage 3.3 V,voltage 905.5 mV,Complementary metal–oxide–semiconductor voltage reference without resistors,nonbandgap voltage reference,power-supply noise attenuation (PSNA) without a filtering capacitor,strong inversion region,temperature compensation
Journal
60
Issue
ISSN
Citations 
9
1549-7747
0
PageRank 
References 
Authors
0.34
0
4
Name
Order
Citations
PageRank
Ze-kun Zhou110616.77
Pei-Sheng Zhu2162.51
Yue Shi3549.46
Xi Qu4274.83