Abstract
Data plays an important role in the present world where the communications are becoming so crucial. Data acquisition and communication systems are in need ofhigherresolution (i.e., 16 Bits)ADCs. The successive approximation (SAR) ADCis suitable for medium to high range resolution applications, the basic building block of the ADC is Sample and hold circuit which will perform a key role in data conversion from analog data to corresponding digital data.In this paper an operational amplifier with gain 96.5 dB and phase margin of 770 with UGB of 12 MHz is designed to implement high speed and low power sample and hold (S/H) circuit using 0.18 µm SCL CMOS Technology, for higher bit ADC applications with sampling frequency of 10 MHz consuming 182 µW power operating at 3.3 V.
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