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Trends in Low-Power, Digitally Assisted A/D Conversion
IEICE TRANSACTIONS on Electronics
Publication Date: 2010/06/01
Online ISSN: 1745-1353
Print ISSN: 0916-8516
Type of Manuscript: INVITED PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
A/D conversion, digital calibration, digitally assisted design, technology scaling,
Full Text: FreePDF
This paper discusses recent trends in the area of low-power, high-performance A/D conversion. We examine survey data collected over the past twelve years to show that the conversion energy of ADCs has halved every two years, while the speed-resolution product has doubled approximately only every four years. A closer inspection on the impact of technology scaling, and developments in ADC design are then presented to explain the observed trends. Finally, we review opportunities in digitally assisted design for the most popular converter architectures.