DocumentCode :
2688885
Title :
A Dual-Output Voltage Reference for high-accuracy pipelined ADC
Author :
Cheng, Dongfang ; Li, Xiaohui ; Zhang, Jue ; Wang, Jiongming
Author_Institution :
Key Lab. of Adv. Displays & Syst. Applic., Shanghai Univ., Shanghai
fYear :
2008
fDate :
28-31 July 2008
Firstpage :
1
Lastpage :
4
Abstract :
A dual-output voltage bandgap reference has been designed for high-accuracy pipelined ADC with CSMC0.6 process technology in this work. Based on the temperature and noise analyzing of voltage reference, the traditional circuit has been improved. The structure with two PN junctions in series,non-operational amplifier structure and PTAT (proportional to absolute temperature) current supplied by ldquoself-biasrdquo cascode current mirror, were adopted in the circuit designed. A new method to divide voltage was suggested in this study. The simulation results showed that the dual-output voltages were 2.194 V and 1.098 V respectively when temperature varied from -10 degC to 100 degC, and the temperature coefficient is only 7.00 ppm/degC; the change of Vref only was 5.326 mV, and the PSRR was 49.3 dB when source voltage varied from 6 V to 9 V. The dual-output voltage reference of the circuit designed can meet the requirement of comparator input voltage in high-accuracy pipelined ADC.
Keywords :
analogue-digital conversion; current mirrors; reference circuits; PN junctions; analog-digital converters; cascode current mirror; non-operational amplifier; temperature -10 degC to 100 degC; voltage 1.098 V to 2.194 V; voltage 5.326 V; voltage 6 V to 9 V; voltage bandgap reference; Analog integrated circuits; Bipolar transistors; Breakdown voltage; CMOS technology; Digital integrated circuits; Displays; Electronics packaging; Laboratories; Photonic band gap; Temperature;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Electronic Packaging Technology & High Density Packaging, 2008. ICEPT-HDP 2008. International Conference on
Conference_Location :
Shanghai
Print_ISBN :
978-1-4244-2739-0
Electronic_ISBN :
978-1-4244-2740-6
Type :
conf
DOI :
10.1109/ICEPT.2008.4607145
Filename :
4607145
Link To Document :
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