Design of An Ultralow-power CMOS Relaxation Oscillator for Piezoresistive Pressure Sensor

被引：0

作者：

Huang, Si-Bo ^{[1
]}

Chen, Jian-Guang ^{[1
]}

Yang, Feng ^{[1
]}

Cheng, Yu-Hua ^{[1
]}

机构：

[1] Peking Univ, Shanghai Res Inst Microelect, Shanghai 201203, Peoples R China

来源：

2012 IEEE 11TH INTERNATIONAL CONFERENCE ON SOLID-STATE AND INTEGRATED CIRCUIT TECHNOLOGY (ICSICT-2012) | 2012年

关键词：

Clock generator; low-power; pressure sensor; relaxation oscillators;

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：

An ultra-low power CMOS relaxation oscillator for piezoresistive pressure sensor is presented. The sensor signal conditioning chip is powered by a 3-V lithium battery and an ultra-low power system clock generator is required for more than 10 years working lifetimes. A detailed analysis of the oscillator is derived and verified with simulation results. The oscillator operates at a typical frequency of 20 kHz and consumes 0.33uW (@VDD= 3.3V) at room temperature. The oscillator was fabricated in a 0.35um standard digital CMOS process.The final die size is about 450um*210um.

引用

页码：1375 / 1377

页数：3

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