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
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
收藏
页码:324 / 327
页数:4
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