Boosted gain programmable OpAmp with embedded gain monitor for dependable SoCs


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Wan, Jinbo and Kerkhoff, Hans G. (2011) Boosted gain programmable OpAmp with embedded gain monitor for dependable SoCs. In: 2011 International SoC Design Conference, ISOCC 2011, 17-18 November 2011, Jeju, Korea.

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Abstract:SoCs used in safety-critical applications need to be dependable. However in the deep-submicron region, different kinds of aging effects like negative bias temperature instability (NBTI) make the SoCs, especially the analog/mixed-signal parts, undependable. In this paper, a dependability-improved Opamp is designed based on gain programmability and digital gain monitoring. To accomplish an extra gain range for tuning in 65nm technology, a new voltage-gain boosting method is proposed to provide a maximum 92dB gain in a single amplification stage. The NBTI influence is investigated using Cadence RelXpert and dependability properties for the Opamp are provided.
Item Type:Conference or Workshop Item
Copyright:© 2011 IEEE
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/79174
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