Switched State-Space Model for High Speed Current-Steering Digital-to-Analog Converter

被引：0
|
作者：
Valet, Patrick [1 ]
Giotta, Dario [1 ]
Trampitsch, Stefan [1 ]
Tonello, Andrea [2 ]
机构：
[1] Intel Austria GmbH, Connected Home Div, Villach, Austria
[2] Klagenfurt Univ, Networked & Embedded Syst, Klagenfurt, Austria
来源：
2019 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS) | 2019年
关键词：
DAC; current-steering; switched state-space model; behavioral model; MATLAB;
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：
This paper proposes a time domain behavioral model for dynamic switching effects of a current-steering digital-to-analog converter (CS-DAC) which shortens the simulation run time while still providing reasonable accuracy. Instead of implementing it with commonly used behavioral models such as the Wiener model, the analysis framework is obtained with the switched state-space model (SSM) approach. With switched SSMs it is possible to directly incorporate element mismatches and parasitics from the design into the model. This provides greater flexibility to designers of data converters. The results of the proposed model are compared to transistor level simulations of the real design in the frequency domain. The achieved speed-up factor is > 1000.
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页数：5
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