Samenvatting
Ultra-low power consumption and miniature size are by far the most important design requirements for implantable pacemakers. In order to guarantee a long life span of the device, saving power in the sensing IC is a primary concern as cardiac rhythm disorders must be continuously monitored [1]. Shifting the functionality of QRS-band power parameter extraction to the analog domain can reduce system-level power consumption of heartbeat detection significantly through minimizing computational complexity of the DSP [2,3]. In addition, current biomedical ICs still require further improvement of power efficiency as their analog back ends consume significant power [2-4]. For low-power means, the presented analog signal processor (ASP) introduces a power-efficient analog feature extraction, a current-multiplexed ADC driver and a flexible ADC. This advances the state of the art by reducing the power consumption of the ASP below 1µW without compromising other specs, such as input SNR >70dB, CMRR >90dB, PSRR >80dB, and enables low-power heartbeat detection for implantable pacemakers.
Originele taal-2 | Engels |
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Titel | Proceedings of the 2014 IEEE International Solid-State Circuits Conference (ISSCC) : digest of technical papers, 9-13 February 2014, San Francisco, USA |
Redacteuren | L.C. Fujino |
Plaats van productie | Piscataway |
Uitgeverij | Institute of Electrical and Electronics Engineers |
Pagina's | 418-419 |
ISBN van geprinte versie | 978-1-4799-0918-6 |
DOI's | |
Status | Gepubliceerd - 2014 |
Evenement | 61st IEEE International Solid-State Circuits Conference, ISSCC 2014 - San Francisco, Verenigde Staten van Amerika Duur: 9 feb. 2014 → 13 feb. 2014 Congresnummer: 61 |
Congres
Congres | 61st IEEE International Solid-State Circuits Conference, ISSCC 2014 |
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Verkorte titel | ISSCC 2014 |
Land/Regio | Verenigde Staten van Amerika |
Stad | San Francisco |
Periode | 9/02/14 → 13/02/14 |
Ander | ISSCC 2014 |