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.

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 μs to ±1/2 LSB

AD7244: 4 μs 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