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

页码：1021 / 1024

页数：4

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