alexa Abstract | Low Power and High Speed 4-Bit Flash Analog to Digital Converter Using Dynamic Latch Comparator Technique
ISSN ONLINE(2278-8875) PRINT (2320-3765)

International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering
Open Access

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Research Article Open Access

Abstract

As VLSI technology gaining more popular power consumption and high speed are the major constraints. In Mixed signal IC‟s it is a necessity of minimum power dissipation in order to limit energy in a reasonable size batteries. Analog to digital converter is the key to mixed signal IC‟s. Analog to digital converters are the basic component in modern communications, handheld wireless computers and signal processing systems. In this paper most preferred and high speed flash ADC using CMOS latch comparator is presented. Normally Flash Adc takes large number of comparators as size of ADC increases. In this comparator count will be decreased by using multiplexing of reference signal and reduce power dissipation using dynamic latch comparator. This design is simulated and results are presented. The presented flash ADC consumes 212.47uwatts power at a frequency of 1000 MHz with an operating voltage of 1.8v.

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Author(s): K.Sarath Chandra , V.Gowtam Raj Kumar.

Keywords

Analog to digital converter (ADC), Flash ADC, Dynamic latch comparator, Power dissipation., Electromagnetic Transients Programs EMTP),Diagnosis and Sensing Systems,Digital Signal Processing,Analysis of Power Electronic Converters.

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