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International Journal of

Recent Trends in Engineering

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International Journal of Recent Trends in Engineering (IJRTE)

ISSN 1797-9617

Volume 1, Number 4, May 2009

Issue on Electrical & Electronics

Page(s): 23-25

Design of 10-bit Digital to Analog Converter Using Cascaded Operational Amplifier Topology

Maneesh Menon, Robin Paul Prakash, Anu Gupta

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Abstract

This paper proposes an approach for designing a R-2R 10 bit Digital to Analog Converter (DAC) which could be made to operate at low voltage supply by efficiently exploiting the cascaded Operational Amplifier (Op-Amp) architecture. The DAC operates at a 3V power supply with a settling time of 50-100ns , dynamic range of around 50-60 dB for signals upto a frequency of 10Mhz. Graph & simulation results are provided to verify the stability of the Op-Amp used in DAC.

Index Terms

Cascaded Op-Amp Topology, DAC

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