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Publication Detail
A dedicated electrode driving ASIC for epidural spinal cord stimulation in rats
  • Publication Type:
  • Authors:
    Giagka V, Eder C, Valente V, Vanhoestenberghe A, Donaldson N, Demosthenous A
  • Publication date:
  • Pagination:
    469, 472
  • Published proceedings:
    Proceedings of the IEEE International Conference on Electronics, Circuits, and Systems
  • ISBN-13:
  • Status:
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. © 2013 IEEE.
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