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A Reference Voltage Buffer with Settling Boost Technique for a 12 bit 18 MHz Multibit/Stage Pipelined A/D Converter
Shunsuke OKURA Tetsuro OKURA Toru IDO Kenji TANIGUCHI
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/02/01
Online ISSN: 1745-1337
Print ISSN: 0916-8508
Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
CMOS, pipelined ADC, settling, boost, low power,
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A reference voltage buffer for a multibit/stage pipelined ADC is described, where a settling boost technique is used to improve the settling response of the pipelined stages. A 12 bit 18 MHz pipelined ADC with the buffer is designed and simulated based on a 0.35 µm CMOS process. According to simulation results, the power consumed by the reference voltage buffer is reduced by 33% compared to that without the settling boost technique.