CMOS single-stage fully differential telescopic cascode OTA with gain boosted technique for 14Bit 100MSps pipelined ADC

Faculty Engineering Year: 2016
Type of Publication: ZU Hosted Pages: 1-6
Authors:
Mohammed Farahat Abdelhamied Abdelrahman
Journal: (World Congress on Information Technology and Computer Applications (WCITCA IEEE Volume:
Keywords : CMOS single-stage fully differential telescopic cascode    
Abstract:
This paper presents analysis and design of high gain, high speed fully differential telescopic cascode op-amp with gain boosting technique. The op-amp is designed for Multiplying Digital to Analog converter (MDAC) circuit of 14 bit 100Ms/s pipelined ADC. The op-amp is designed in 0.18μm TSMC Mixed-Signal CMOS technology with 1.8V power supply. The Spectre Simulation from Cadence shows dc gain of 105.34 dB with 1.44 GHZ unity gain frequency. The phase margin is 74° and power consumption is 7.32mW.
    
     
 
       

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