GENERAL DESCRIPTION
The AD7862 is a high speed, low power, dual 12-bit A/D converter that operates from a single +5 V supply. The part contains two 4 µs successive approximation ADCs, two track/hold amplifiers, an internal +2.5 V reference and a high speed parallel interface.

FEATURES
    Two Fast 12-Bit ADCs
    Four Input Channels
    Simultaneous Sampling & Conversion
    4 μs Throughput Time
    Single Supply Operation
    Selection of Input Ranges:
        ±10 V for AD7862-10
        ±2.5 V for AD7862-3
        0 V to 2.5 V for AD7862-2
    High Speed Parallel Interface
    Low Power, 60 mW typ
    Power Saving Mode, 50 μW typ
    Overvoltage Protection on Analog Inputs
    14-Bit Pin Compatible Upgrade (AD7863)

APPLICATIONS
    AC Motor Control
    Uninterrupted Power Supplies
    Data Acquisition Systems
    Communications