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A Novel Approach to 3-bit Flash ADC


kalpana Chaudhary , GBU, Greater Noida; R.B. Singh, GBU, Greater Noida


ADC architecture, TIQ flash ADC, TC to BC converter, TIQ comparator.


In this paper we have implemented a high speed flash ADC with low power by using threshold inverter quantization technique. The main benefit of the TIQ based CMOS flash ADC design is a simpler comparator design. The proposal is to use digital inverters as analog voltage comparators. This eliminates the requirement of high-gain differential input voltage comparators that are inherently more compound and slower than the digital inverters. The TIQ flash ADC also eliminates the need of reference voltages, which require a resistor ladder circuit. This simplicity in the comparator part provides both high speed and lower power consumption at the same time.

Other Details

Paper ID: IJSRDV2I3220
Published in: Volume : 2, Issue : 3
Publication Date: 01/06/2014
Page(s): 65-66

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