A behavior-oriented simulation tool for design and optimization of Sigma-Delta ADCs

被引：0
|
作者：
Zhang, Xin [1 ]
Yu, Dunshan [1 ]
Sheng, Shimin [1 ]
机构：
[1] Peking Univ, Inst Microelect, Beijing 100871, Peoples R China
来源：
ASICON 2007: 2007 7TH INTERNATIONAL CONFERENCE ON ASIC, VOLS 1 AND 2, PROCEEDINGS | 2007年
关键词：
D O I：
10.1109/ICASIC.2007.4415867
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：
In this paper, a behavior-oriented simulation tool is proposed for the designing and optimizing of Sigma-Delta ADCs. We show how this kind of simulation tool can be used in a top-down design flow in the mixed-signal system design. The imperfections of the analog cells as integrators, comparator, and the OpAMPs are analyzed in detail, which guides the design towards high performance. Besides, the modeling, simulation, and design of a second-order sigma-delta modulator are presented as a proof for the effectiveness of the simulation tool. A peak SNR of 91.5dB, a 15bit resolution, and a 57mW power dissipation are obtained through HSPICE simulation. Currently chip is in the fabrication phase.
引用
收藏
页码：1269 / 1272
页数：4
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