GENERAL DESCRIPTION

The AD7894 is a fast, 14-bit ADC that operates from a single +5 V supply and is housed in a small 8-lead SOIC. The part contains a 5 µs successive approximation A/D converter, an on-chip track/hold amplifier, an on-chip clock and a high speed serial interface.

FEATURES

Fast 14-Bit ADC with 5 ms Conversion Time

8-Lead SOIC Package

Single 5 V Supply Operation

High Speed, Easy-to-Use, Serial Interface

On-Chip Track/Hold Amplifier

Selection of Input Ranges

±10 V for AD7894-10

±2.5 V for AD7894-3

0 V to +2.5 V for AD7894-2

High Input Impedance

Low Power: 20 mW Typ

Pin Compatible Upgrade of 12-Bit AD7895