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Recent Patents on Electrical Engineering

Editor-in-Chief

ISSN (Print): 1874-4761
ISSN (Online): 2213-1132

New Development of Analog-to-Digital Converters

Author(s): Qi Wei, Fei Qiao and Huazhong Yang

Volume 4, Issue 3, 2011

Page: [214 - 220] Pages: 7

DOI: 10.2174/1874476111104030214

Price: $65

Abstract

The operational amplifier is one of the most significant performance bottlenecks in traditional Analog-to- Digital Converters. CMOS technology down-scaling results in lower voltage swings and transistor intrinsic gain. This trend increases the challenges in designing analog and mixed-signal circuits. This paper reviews a few promising patents on new development of analog-to-digital converters. The challenges in traditional operational amplifier based ADCs are analyzed.

Keywords: Operational amplifier, pipelined ADC, SAR ADC, Analog-to-Digital Converters, Gain boost, Replicated operational amplifier, open-loop AC response


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