Low Power And High Performance Current Steering DAC Using Different GDI Logics
Journal Title: IOSR Journal of Electronics and Communication Engineering(IOSR-JECE) - Year 2018, Vol 13, Issue 3
Abstract
The current steering digital-to-analog converters (DAC) carry out a vital role in data-processing systems like communication systems. Digital-to-analog (DAC) converters used in modern communication systems mainly for linearity, effectiveness, and for high speed applications. The segmented approach of DAC in proposed work is mainly used for minimizing power dissipation, chip area. In general DAC have a tendency to operate at high rate of sampling, the current switches will affect the output with glitches because the transitions made at high sampling rate. In digital-to-analog converters decoders are designed with conventional CMOS logic, which are having more power dissipation, chip area than the proposed Gate Diffusion (GDI) Input logics. In this paper to minimize the power dissipation of decoder circuit in DAC, binary-thermometer decoder is implemented with GDI, Full-swing (FSGDI) and Transmission (TSGDI) logics. This method has been successfully shown for 8-bit 500-MHz segmented-current steering DAC having a less number of transistors, which results in low power dissipation.
Authors and Affiliations
G. Maheswara Murthy, B. Srinivas
Keywords
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- DOI 10.9790/2834-1303016167.
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