ad7921arm-reel Analog Devices, Inc., ad7921arm-reel Datasheet - Page 2

• Manufacturer Part Number: ad7921arm-reel
• Description: 2-channel, 2.35 V To 5.25 V 250 Ksps, 10-/12-bit Adcs
• Manufacturer: Analog Devices, Inc.

AD7911/AD7921
TABLE OF CONTENTS
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 9
Pin Configurations and Function Descriptions ......................... 10
Terminology .................................................................................... 11
Typical Performance Characteristics ........................................... 13
Circuit Information ........................................................................ 15
REVISION HISTORY
Revision 0: Initial Version
AD7911 Specifications................................................................. 3
AD7921 Specifications................................................................. 5
Timing Specifications .................................................................. 7
Timing Diagrams.......................................................................... 7
Timing Examples.......................................................................... 8
ESD Caution.................................................................................. 9
Converter Operation.................................................................. 15
ADC Transfer Function............................................................. 15
Typical Connection Diagram ................................................... 16
Rev. 0 | Page 2 of 28
Modes of Operation ....................................................................... 18
Serial Interface ................................................................................ 21
Application Hints ........................................................................... 24
Outline Dimensions ....................................................................... 25
Analog Input ............................................................................... 16
Digital Inputs .............................................................................. 17
DIN Input .................................................................................... 17
DOUT Output ............................................................................ 17
Normal Mode.............................................................................. 18
Power-Down Mode .................................................................... 18
Power-Up Time .......................................................................... 19
Power vs. Throughput Rate....................................................... 20
Microprocessor Interfacing....................................................... 22
Grounding and Layout .............................................................. 24
Ordering Guide .......................................................................... 25