Current-Steering Digital-to-Analog Converter With a High-PSRR Current Switch

被引：7
作者：
Akita, Ippei [1 ]
Itakura, Tetsuro [1 ]
Shiraishi, Kei [1 ]
机构：
[1] Toshiba Co Ltd, Kawasaki, Kanagawa 2128582, Japan
来源：
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS | 2011年 / 58卷 / 11期
关键词：
Current steering; digital-to-analog converter (DAC); glitch; power-supply rejection; substrate noise; CMOS DAC; TRANSMITTERS; 1.2-V;
D O I：
10.1109/TCSII.2011.2168013
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 power-supply noise (PSN) reduction method for a fully differential current-steering digital-to-analog converter is presented. The method employs a proposed auxiliary path in each current switch and makes PSN-induced currents common-mode ones at the positive and negative outputs, resulting in the differential output with PSN suppressed. The proposed switch also has the capability to cancel out glitch. The simulation results show that the influence due to PSN is effectively reduced and the spurious-free dynamic range is improved.
引用
收藏
页码：724 / 728
页数：5
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