Datasheet Analog Devices AD7891ACHIPS-1

a LC2MOS 8-Channel, 12-Bit
High Speed Data Acquisition System
AD7891 FEATURES
Fast 12-Bit ADC with 1.6 ␮s Conversion Time
8 Single-Ended Analog Input Channels
Overvoltage Protection on Each Channel
Selection of Input Ranges:
ⴞ5 V, ⴞ10 V for AD7891-1
0 to +2.5 V, 0 to +5 V, ⴞ2.5 V for AD7891-2
Parallel and Serial Interface
On-Chip Track/Hold Amplifier
On-Chip Reference
Single-Supply, Low Power Operation (100 mW Max)
Power-Down Mode (75 ␮W Typ)
APPLICATIONS
Data Acquisition Systems
Motor Control
Mobile Communication Base Stations
Instrumentation FUNCTIONAL BLOCK DIAGRAM
VDD VDD
VIN1A
VIN1B
VIN2A …