a
FEATURES Two 12-Bit/14-Bit DACs with Output
Amplifiers AD7242: 12-Bit Resolution AD7244: 14-Bit Resolution On-Chip
Voltage Reference Fast Settling Time AD7242: 3 s to ؎1/2 LSB AD7244: 4 s to ؎1/2 LSB High Speed Serial Interface Operates from ؎5 V Supplies Specified Over –40؇ C to +85؇ C in Plastic Packages Low Power – 130 mW typ
LC2MOS Dual, Complete, 12-Bit/14-Bit Serial DACs AD7242/AD7244
FUNCTIONAL BLOCK DIAGRAM
GENERAL DESCRIPTION
The AD7242/AD7244 is a fast, complete, dual 12-bit/14-bit
voltage output D/A converter.
It consists of a 12-bit/14-bit DAC, 3 V buried Zener reference, DAC output
amplifiers and high speed serial interface logic.
Interfacing to both DACs is serial, minim...