A 1-V, 81-dB, 780-KS/s, Sigma-Delta Modulator in 0.13-μm Digital CMOS Technology

被引：0
|
作者：
Tao, Yong Hong [1 ]
Yao, Libin [1 ]
机构：
[1] Natl Univ Singapore, Dept ECE, Singapore 117548, Singapore
来源：
EDSSC: 2008 IEEE INTERNATIONAL CONFERENCE ON ELECTRON DEVICES AND SOLID-STATE CIRCUITS | 2008年
关键词：
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 low-voltage discrete time forth-order E-A modulator using input feed-forward is implemented. With careful signal scaling, signal swings inside the loop filter are suppressed to less than 50% of the reference voltage, which is highly desirable for low-voltage designs. The proposed single-loop single-bit input feed-forward topology is a simple and robust solution for low-voltage low-power E-A ADC design in deep sub-micron CMOS technologies. Implemented with a 0.13-mu m, pure digital CMOS technology, the Sigma-A modulator achieves 780-KS/s conversion speed and 81-dB peak SNDR with 35-mW power dissipation under 1.0-V power supply voltage.
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页码：93 / 95
页数：3
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