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http://dx.doi.org/10.5573/ieek.2013.50.10.091

Design of a Current Steering 10-bit CMOS D/A Converter Based on a Self-Calibration Bias Technique  

Lim, ChaeYeol (Department of Semiconductor Science, Dongguk University)
Lee, JangWoo (Department of Semiconductor Science, Dongguk University)
Song, MinKyu (Department of Semiconductor Science, Dongguk University)
Publication Information
Journal of the Institute of Electronics and Information Engineers / v.50, no.10, 2013 , pp. 91-97 More about this Journal
Abstract
In this paper, a current steering 10-bit CMOS D/A converter to drive a NTSC/PAL analog TV is proposed. The proposed D/A converter has a 50MS/s operating speed with a 6+4 segmented type. Further, in order to minimize the device mismatch, a self-calibration bias technique with a fully integrated termination resistance is discussed. The chip has been fabricated with a 3.3V 0.11um 1-poly 6-metal CMOS technology. The effective chip area is $0.35mm^2$ and power consumption is about 88mW. The experimental result of SFDR is 63.1dB, when the input frequency is 1MHz at the 50MHz of sampling frequency.
Keywords
D/A Converter; self-calibration; current steering; segmented;
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