GENERAL DESCRIPTION

The AD7302 is a dual, 8-bit voltage out DAC that operates from a single +2.7 V to +5.5 V supply. Its on-chip precision output buffers allow the DAC outputs to swing rail to rail. The AD7302 has a parallel microprocessor and DSP-compatible interface with high speed registers and double buffered interface logic. Data is loaded to the registers on the rising edge of CS or WR and the A/B pin selects either DAC A or DAC B.

FEATURES

Two 8-Bit DACs In One Package

20-Lead DIP/SOIC/TSSOP Package

+2.7 V to +5.5 V Operation

Internal and External Reference Capability

DAC Power-Down Function

Parallel Interface

On-Chip Output Buffer

Rail-to-Rail Operation

Low Power Operation 3 mA max @ 3.3 V

Power-Down to 1 μA max @ 25°C

APPLICATIONS

Portable Battery Powered Instruments

Digital Gain and Offset Adjustment

Programmable Voltage and Current Sources

Programmable Attenuators