A fully integrated two-channel A/D interface for the acquisition of cardiac signals in implantable pacemakers

被引：22

作者：

Gerosa, A ^{[1
]}

Maniero, A ^{[1
]}

Neviani, A ^{[1
]}

机构：

[1] Univ Padua, Dept Informat Engn, I-35131 Padua, Italy

来源：

IEEE JOURNAL OF SOLID-STATE CIRCUITS | 2004年 / 39卷 / 07期

关键词：

analog-to-digital converter; biomedical; cardiac pacemaker; sigma-delta;

D O I：

10.1109/JSSC.2004.829921

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 [电气工程]; 0809 [电子科学与技术];

摘要：

This, work presents an input stage for a cardiac pacemaker fully integrated in 0.35-mum CMOS technology. The system can acquire and digitize to 8 bits both atrial and ventricular electrical activity. Log-domain circuits are exploited to amplify and filter the input signal, while SigmaDelta modulation is exploited to convert it. The design is power optimized, indeed the current consumption is limited to 2.9 muA, while the power supply ranges from 2.8 to 1.8 V. The total area is 2.2 mm(2) and experimental data prove correct filtering and a total dynamic range of at least 47 dB.

引用

页码：1083 / 1093

页数：11

共 22 条

[1]

DETERMINATION OF THE ANOMERIC CONFIGURATION OF C-NUCLEOSIDES BY H-1 AND C-13 NMR-SPECTROSCOPY [J].