Datasheet Summary
a
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
5 V, 12-Bit, Serial 220 kSPS ADC in an 8-Lead Package
AD7898-
FUNCTIONAL BLOCK DIAGRAM
REF IN
TRACK/HOLD
SIGNAL SCALING-
12-BIT ADC
CONVST
OUTPUT REGISTER
GND VDRIVE
- AD7898-10, AD7898-3
SCLK SDATA
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...