General Description

The MAX520/MAX521 are quad/octal, 8-bit voltage-output digital-to-analog converters (DACs) with simple 2-wire serial interfaces that allow communication between multiple devices. They operate from a single +5V supply and their reference input range includes both supply rails.

Features

♦ Single +5V Supply

♦ Simple 2-Wire Serial Interface

♦ I2C Compatible

♦ Outputs Swing Rail to Rail:

    Unbuffered Outputs (MAX520)

    Buffered Outputs (MAX521)

♦ 1%-Accurate Trimmed Output Resistance (MAX520A)

♦ Ultra-Low 4µA Supply Current (MAX520)

♦ Individual DACs Have Separate Reference Inputs

♦ Power-On Reset Clears All Latches

♦ 4µA Power-Down Mode

Applications

    Minimum Component Analog Systems

    Digital Offset/Gain Adjustment

    Industrial Process Control

    Automatic Test Equipment

    Programmable Attenuators