| Literature DB >> 25571364 |
Hakan Töreyin, Pamela T Bhatti.
Abstract
A custom analog vector matrix multiplier (VMM) for a vestibular prosthesis is reported. The VMM functions to reduce misalignment between implanted angular rate sensors and associated peripheral sense organs and precompensate for spurious electrical stimulation of vestibular neurons. Operating in the CMOS subthreshold region, the VMM performs a 3-by-3 vector matrix multiplication of rate sensor outputs, magnitude <; ±250 mV, and bandwidth <; 1.25 kHz. To reduce susceptibility to device mismatches, time-division-multiplexed multiplication is employed requiring 727 μs for a complete operation cycle. Fabricated with TSMC 0.35 μm CMOS technology, the footprint is 1523 μm × 1548 μm and consumes 5.37 μW of power.Entities:
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Year: 2014 PMID： 25571364 PMCID： PMC5889307 DOI： 10.1109/EMBC.2014.6944996
Source DB: PubMed Journal: Conf Proc IEEE Eng Med Biol Soc ISSN： 1557-170X