Datasheet

AD7225
Rev. C | Page 2 of 24
TABLE OF CONTENTS
Features .............................................................................................. 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Single Supply ................................................................................. 4
Absolute Maximum Ratings ............................................................ 5
ESD Caution .................................................................................. 5
Pin Configurations and Function Descriptions ........................... 6
Typical Performance Characteristics ............................................. 7
Terminology ...................................................................................... 8
Circuit Information .......................................................................... 9
Digital-to-Analog Section ........................................................... 9
Op Amp Section ........................................................................... 9
Digital Inputs Section ...................................................................9
Interface Logic Information .......................................................... 10
Ground Management and Layout ................................................ 11
Specification Ranges ...................................................................... 12
Unipolar Output Operation .......................................................... 13
Bipolar Output Operation ............................................................. 14
AGND Bias ...................................................................................... 15
AC Reference Signal ....................................................................... 16
Applications Information .............................................................. 17
Programmable Transversal Filter ............................................. 17
Digital Word Multiplication ..................................................... 18
Microprocesser Interface ............................................................... 19
V
SS
Generation ................................................................................ 20
Outline Dimensions ....................................................................... 21
Ordering Guide .......................................................................... 23
REVISION HISTORY
3/10—Rev. B to Rev. C
Updated Format .................................................................. Universal
Deleted 28-Terminal Leadless Ceramic Chip Carrier
Package ................................................................................. Universal
Added 24-Lead SSOP Package .......................................... Universal
Changes to Features Section............................................................ 1
Changes to Table 1 ............................................................................ 3
Changes to Table 2 ............................................................................ 4
Changes to Table 3 ............................................................................ 5
Changes to Pin Configurations and Function Descriptions
Section ................................................................................................ 6
Added Table 4; Renumbered Sequentially .................................... 6
Changes to Specification Ranges section .................................... 12
Changes to Programmable Transversal Filter Section and
Figure 21 .......................................................................................... 17
Updated Outline Dimensions ....................................................... 21
Changes to Ordering Guide .......................................................... 23