Wed, 09/11/2002 - 5:17am
The AD9238 features dual high-performance sample-and-hold amplifiers and an integrated voltage reference. It operates from a single 3 V power supply, and has a separate digital output driver supply to accommodate 2.5 V and 3.3 V logic families. Depending on the application, design engineers can choose from three speed grades, each characterized by low power consumption ranging from 180 mW when operating at 20 MSPS, to 330 mW for data rates of 40 MSPS, to 600 mW at 65 MSPS. Signal-to-noise ratio is 70 dB and spurious free dynamic range is 85 dB.