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