A PVT-Tolerant Relaxation Oscillator in 65nm CMOS

被引：0
|
作者：
Cimbili, B. [1 ]
Wang, D. [1 ]
Zhang, R. C. [1 ]
Tan, X. L. [2 ]
Chan, P. K. [1 ]
机构：
[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore, Singapore
[2] MediaTek, Singapore, Singapore
来源：
PROCEEDINGS OF THE 2016 IEEE REGION 10 CONFERENCE (TENCON) | 2016年
关键词：
PET insensitive circuit; relaxation oscillator; temperature compensation; current reference; voltage reference; TEMPERATURE;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A fully-integrated CMOS relaxation oscillator (ROSC) using a process-voltage-temperature (PVT) insensitive current reference generator is presented. The oscillator is designed to generate a clock frequency of 64.4kHz in 65-nm CMOS technology for switched-capacitor circuit applications. The Monte-Carlo simulation results have shown that the ROSC is able to achieve 3.66% in the process sensitivity (sigma/mu. The output frequency variation is 1.71% over the temperature range front -20 degrees C to 100 degrees C and 0.73% over the supply variation front 1.2V to 2V. The power consumption of ROSC is 4.32 mu W at 1.2V supply. It has displayed better figure-of merit (FOM) against PVT variations with respect to other reported prior-art works.
引用
收藏
页码：2315 / 2318
页数：4
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