Programmable Current Source for Implantable Neural Stimulation Systems

被引：0

作者：

Pistor, Jonas ^{[1
]}

Heidmann, Nils ^{[1
]}

Hoeffmann, Janpeter ^{[1
]}

Paul, Steffen ^{[1
]}

机构：

[1] Univ Bremen, Inst Electrodynam & Microelect ITEM Me, D-28359 Bremen, Germany

来源：

28TH EUROPEAN CONFERENCE ON SOLID-STATE TRANSDUCERS (EUROSENSORS 2014) | 2014年 / 87卷

关键词：

biphasic stimulation; brain-computer interface; neural stimulation; biomedical; CMOS; integrated circuit;

D O I：

10.1016/j.proeng.2014.11.720

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In this paper we present an ASIC, built in a 350nm CMOS technology, as a component for a neural measurement and stimulation system. The ASIC consists of an adjustable current source and a switch matrix, which allows selecting sources and sinks out of 8 connected electrodes. The ASIC also contains a microsequencer and a memory, which can be configured and programmed using a serial data interface. The circuit allows to apply charge-balanced biphasic current stimulation to nervous tissue, as needed in implantable neural interfaces. (c) 2014 Published by Elsevier Ltd.

引用

页码：324 / 327

页数：4

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