POWER-SUPPLY REJECTION IN DIFFERENTIAL SWITCHED-CAPACITOR FILTERS

被引:23
|
作者
DELAPLAZA, A [1 ]
MORLON, P [1 ]
机构
[1] HARRIS SEMICOND,MELBOURNE,FL 32901
关键词
DATA CONVERSION; ANALOG TO DIGITAL - ELECTRIC POWER SUPPLIES TO APPARATUS - Applications - INTEGRATED CIRCUITS - SEMICONDUCTOR DEVICES; MOS;
D O I
10.1109/JSSC.1984.1052245
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
Aspects of the design of a fully differential switched-capacitor filter are reported. The principal motivation for using a fully differential configuration is to reduce power supply coupling, so an analysis of some of the mechanisms associated with this effect and the usefulness of some forms of common mode feedback are discussed. Experimental results obtained from a CMOS integrated circuit realization are also included. The circuit achieves 50 db of power supply rejection ratio across the passband.
引用
收藏
页码:912 / 918
页数:7
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