A dedicated electrode driving ASIC for epidural spinal cord stimulation in rats

Vasiliki Giagka, Clemens Eder, Virgilio Valente, Anne Vanhoestenberghe, Nick Donaldson, Andreas Demosthenous

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

3 Citations (Scopus)

Abstract

This paper discusses the design of an application-specific integrated circuit (ASIC) suitable for mounting on a multi-electrode array for epidural spinal cord stimulation in rats. The ASIC acts as a demultiplexer, driving 12 electrodes on the array in any configuration. It is capable of routing biphasic constant current pulses of up to 1 mA to high impedance loads (with a maximum output voltage swing of approximately 25 V) and is small enough to be implanted into a rat's spinal column. Communication with its driver is achieved via 3 wires to minimize the number of interconnections. The circuit was implemented in a 0.18-μm high-voltage CMOS technology occupying a core area of 0.36 mm 2. Power dissipation is about 110 μW. Post-layout simulations are presented which show the correct operation of the system.

Original languageEnglish
Title of host publication2013 IEEE 20th International Conference on Electronics, Circuits, and Systems, ICECS 2013
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages469-472
Number of pages4
ISBN (Print)9781479924523
DOIs
Publication statusPublished - 1 Jan 2013
Externally publishedYes
Event2013 IEEE 20th International Conference on Electronics, Circuits, and Systems, ICECS 2013 - Abu Dhabi, United Arab Emirates
Duration: 8 Dec 201311 Dec 2013

Conference

Conference2013 IEEE 20th International Conference on Electronics, Circuits, and Systems, ICECS 2013
CountryUnited Arab Emirates
CityAbu Dhabi
Period8/12/1311/12/13

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