Ponencia
A 32 Input Multiplexed Channel Analog Front-End with Spatial Delta Encoding Technique and Differential Artifacts Compression
Autor/es | Pérez Prieto, Norberto
Fiorelli, Rafaella Valtierra, José Luis Pérez García, Pablo Delgado Restituto, Manuel Rodríguez Vázquez, Ángel Benito |
Departamento | Universidad de Sevilla. Departamento de Tecnología Electrónica Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo |
Fecha de publicación | 2019 |
Fecha de depósito | 2021-03-24 |
Publicado en |
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ISBN/ISSN | 978-1-5090-0617-5 2163-4025 |
Resumen | This paper describes a low-noise, low-power and
high dynamic range analog front-end intended for sensing
neural signals. In order to reduce interface area, a 32-channel
multiplexer is implemented on circuit input. ... This paper describes a low-noise, low-power and high dynamic range analog front-end intended for sensing neural signals. In order to reduce interface area, a 32-channel multiplexer is implemented on circuit input. Furthermore, a spatial delta encoding is proposed to compress the signal range. A differential artifact compression algorithm is implemented to avoid saturation in the signal path, thus enabling reconstruct or suppressing artifacts in digital domain. The proposed design has been implemented using 0.18 μm TSMC technology. Experimental results shows a power consumption per channel of 1.0 μW, an input referred noise of 1.1 μVrms regarding the bandwidth of interest and a dynamic range of 91 dB. |
Agencias financiadoras | Ministerio de Economía y Competitividad (MINECO). España Office of Naval Research (ONR). United States |
Identificador del proyecto | TEC2016-80923-P
ONR N00014- 19-1-2156 |
Cita | Pérez Prieto, N., Fiorelli, R., Valtierra, J.L., Pérez García, P., Delgado Restituto, M. y Rodríguez Vázquez, Á.B. (2019). A 32 Input Multiplexed Channel Analog Front-End with Spatial Delta Encoding Technique and Differential Artifacts Compression. En BioCAS 2019: IEEE Biomedical Circuits and Systems Conference Nara, Japan: IEEE Computer Society. |
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