Design of A high performance low-power consumption discrete time Second order Sigma-Delta modulator used for Analog to Digital Converter
Journal Title: International Journal of Advanced Computer Science & Applications - Year 2012, Vol 3, Issue 11
Abstract
This paper presents the design and simulations results of a switched-capacitor discrete time Second order Sigma-Delta modulator used for a resolution of 14 bits Sigma-Delta analog to digital converter. The use of operational amplifier is necessary for low power consumption, it is designed to provide large bandwidth and moderate DC gain. With 0.35µm CMOS technology, the S? modulator achieves 86 dB dynamic range, and 85 dB signal to noise ratio (SNR) over an 80 KHz signal bandwidth with an oversampling ratio (OSR) of 88, while dissipating 9.8mW at ±1.5V supply voltage.
Authors and Affiliations
Radwene LAAJIMI , Mohamed MASMOUDI
Keywords
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- EP ID EP87080
- DOI 10.14569/IJACSA.2012.031118
- Views 85
- Downloads 0
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