Design of 8 Bit Current steering DAC

Design of 8 Bit Current steering DAC
Authors : Vineet Tiwari,Prof.Sanjeev Ranjan,Prof. Vivek Baghel
Publication Date: 02-08-2012


Author(s):  Vineet Tiwari,Prof.Sanjeev Ranjan,Prof. Vivek Baghel

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Vol.1 - Issue 5 (July - 2012)

e-ISSN:   2278-0181


Abstract?Digital to analog Converter is a device that is used to convert digital signal to analog signal. In this Paper we will go through the analysis, design and simulation from supplies of 2.5volt and 5 volt.8 bit binary input ranges from 0 to 5 volt and clock can be as high as 50Mhz.The fact that current steering topology used for instead of R-2R topology gives good INL as well as DNL.Major glitching issues are eliminated by Register Section. The overall swing of 2 to 3 volt is achieved along with SNDR of 30 Db and LSB step of 8.3mvolt.It works like a interface between analog and digital world. It has four blocks,Register,decoder,current cell array and opamp, that produces analog voltage in form of output. Thus digital inputs are going to convert analog output.Speed,monotonicity and performance would be better than binary weighted ,ladder DAC.


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