0.65V sigma-delta modulators

被引：0
|
作者：
Sauerbrey, J [1 ]
Wittig, M [1 ]
Schmitt-Landsiedel, D [1 ]
Thewes, R [1 ]
机构：
[1] Infineon Technol AG, Corp Res, CPR FEC, D-81730 Munich, Germany
来源：
PROCEEDINGS OF THE 2003 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOL I: ANALOG CIRCUITS AND SIGNAL PROCESSING | 2003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：
SigmaDelta modulators for portable applications are presented operating within a large range of supply voltages. A 2(nd) order and a cascaded 3(rd) order modulator are designed in Switched-Opamp (SO) technique with common mode level shift. The circuits are realized in a 0.18mum CMOS process and occupy an area of 0.096 mm(2) and 0.139 mm(2), respectively. Neither low-V-T devices nor voltage boosting techniques are used. Proper operation is obtained down to a supply voltage of 0.65V.
引用
收藏
页码：1021 / 1024
页数：4
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