GENERAL DESCRIPTION
The AD7898 is a fast 12-bit ADC that operates from a single 5 V supply and is housed in a small 8-lead SOIC package. The part contains a successive approximation A/D converter, an on-chip track/hold amplifier, an on-chip clock, and a high speed serial interface.
FEATURES
Fast 12-Bit ADC with 220 kSPS Throughput Rate
8-Lead SOIC
Single 5 V Supply Operation
High Speed, Flexible, Serial Interface that
Allows Interfacing to 3 V Processors
On-Chip Track/Hold Amplifier
Selection of Input Ranges
±10 V for AD7898-10
±2.5 V for AD7898-3
High Input Impedance
Low Power: 22.5 mW Max