Title :
A High Precision CMOS Current-mode Band-gap Voltage Reference
Author :
Yu Guoyi ; Zou Xuecheng
Author_Institution :
Dept. of Electron. Sci. & Technol., Huazhong Univ. of Sci. & Technol., Wuhan
Abstract :
A new high precision CMOS current-mode band-gap voltage reference which takes advantage of the high-order curvature-compensated technique and the enhancement pre-regulator technique is proposed. Based on the 1 st 0.35mum standard mixed-signal CMOS process technology, the circuit achieves a much low temperature coefficient of 3.68ppm/degC over the temperature range of -40 degC to +150degC with 1.00V output reference voltage and a high PSRR over a broad frequency range. The PSRR is -125.4dB at 100Hz and remains -59.2dB at 100MHz. Using push-pull output stage instead of the bias circuits, the power dissipation is only about 50muW
Keywords :
CMOS integrated circuits; current-mode circuits; mixed analogue-digital integrated circuits; reference circuits; voltage regulators; -40 to 150 C; 0.35 micron; 1.00 V; CMOS current-mode band-gap voltage reference; enhancement preregulator technique; high-order curvature-compensated technique; mixed-signal CMOS process technology; power dissipation; push-pull output stage; CMOS technology; Circuit stability; Frequency; Low voltage; Negative feedback loops; Photonic band gap; Power dissipation; Regulators; Resistors; Temperature distribution;
Conference_Titel :
Solid-State and Integrated Circuit Technology, 2006. ICSICT '06. 8th International Conference on
Conference_Location :
Shanghai
Print_ISBN :
1-4244-0160-7
Electronic_ISBN :
1-4244-0161-5
DOI :
10.1109/ICSICT.2006.306410
