Proceedings ArticleDOI
A 0.013mm 2 5μW DC-coupled neural signal acquisition IC with 0.5V supply
Rikky Muller,Simone Gambini,Jan M. Rabaey +2 more
- Vol. 47, Iss: 1, pp 302-304
TLDR
This work presents a neural interface in 65nm CMOS and operating at a 0.5V supply that obtains performance comparable or superior to state-of-the-art systems in a silicon area over 3× smaller by using a scalable architecture that avoids on-chip passives and takes advantage of high-density logic.Abstract:
Recent success in brain-machine interfaces has provided hope for patients with spinal-cord injuries, Parkinson's disease, and other debilitating neurological conditions [1], and has boosted interest in electronic recording of cortical signals State-of-the-art recording solutions [2–5] rely heavily on analog techniques at relatively high supply voltages to perform signal conditioning and filtering, leading to large silicon area and limited programmability We present a neural interface in 65nm CMOS and operating at a 05V supply that obtains performance comparable or superior to state-of-the-art systems in a silicon area over 3× smaller These results are achieved by using a scalable architecture that avoids on-chip passives and takes advantage of high-density logic The use of 65nm CMOS eases integration with low-power digital systems, while the low supply voltage makes the design more compatible with wireless powering schemes [6]read more
Citations
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Proceedings ArticleDOI
Brain-machine interfaces as the new frontier in extreme miniaturization
TL;DR: This paper explores the opportunities of accomplishing direct in-vivo observations of the brain at work in dynamic conditions using ultra-low power miniaturized design, and demonstrates the feasibility with a number of examples.
Proceedings ArticleDOI
A 64-channel neuron recording system
TL;DR: This paper presents a fully integrated low-power neuron recording front-end system in TSMC 65nm 1p6m CMOS technology that is comprised of two recording modules, each containing 32 recording channels with tunable bandwidth and gain, a 32-to-1 multiplexer, one differential successive approximation register (SAR) analog- to-digital converter (ADC), and a digital control module to govern the signal digitization.
Proceedings ArticleDOI
A current-reuse complementary-input chopper-stabilized amplifier for neural recording
TL;DR: This paper presents a current-reuse complementary-input (CRCI) telescopic-cascode chopper stabilized amplifier with low-noise low-power operation, which significantly improves the noise-power efficiency.
Proceedings ArticleDOI
Ultra-low-power front-end CMOS true logarithmic amplifier for biopotential signal acquisition applications
Elham Bahrami,Hossein Shamsi +1 more
TL;DR: The proposed true logarithmic amplifier, designed by making use of the piece-wise linear approximation and based on the parallel summation topology, includes five low-power limiting amplifiers and all transistors are biased in sub-threshold region.
Patent
Neural recording system
Yi-kai Lo,Wentai Liu +1 more
TL;DR: In this article, a neuron recording system was provided, which can be configured to record local field potentials (LFPs) and neuron spikes, respectively, with low power consumption.
References
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Journal ArticleDOI
Brain–machine interfaces: past, present and future
TL;DR: This paper discusses designing a fully implantable biocompatible recording device, further developing real-time computational algorithms, introducing a method for providing the brain with sensory feedback from the actuators, and designing and building artificial prostheses that can be controlled directly by brain-derived signals.
Journal ArticleDOI
A Low-Power Integrated Circuit for a Wireless 100-Electrode Neural Recording System
Reid R. Harrison,P.T. Watkins,R.J. Kier,R.O. Lovejoy,D. Black,Richard A. Normann,Florian Solzbacher +6 more
TL;DR: A prototype integrated circuit for wireless neural recording from a 100-channel microelectrode array was developed and a two-chip system was used to record neural signals from a Utah Electrode Array in cat cortex and transmit the digitized signals wirelessly to a receiver.
Journal ArticleDOI
A micropower low-noise monolithic instrumentation amplifier for medical purposes
Michiel Steyaert,Willy Sansen +1 more
TL;DR: A CMOS low-power low-noise monolithic instrumentation amplifier is described and it can produce variable gains of 14/20/26/40 dB, which are set by control software.
Journal ArticleDOI
An Energy-Efficient Micropower Neural Recording Amplifier
TL;DR: The amplifier appears to be the lowest power and most energy-efficient neural recording amplifier reported to date and the low-noise design techniques that help the neural amplifier achieve input-referred noise that is near the theoretical limit of any amplifier using a differential pair as an input stage.
Journal ArticleDOI
256-Channel Neural Recording and Delta Compression Microsystem With 3D Electrodes
J.N.Y. Aziz,Karim Abdelhalim,R. Shulyzki,Roman Genov,Berj L. Bardakjian,M. Derchansky,Demitre Serletis,Peter L. Carlen +7 more
TL;DR: Results of in vitro experimental recordings from intact mouse hippocampus validate the circuit design and the on-chip electrode bonding technology.
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