Datasheet

AD5429/AD5439/AD5449 Data Sheet
Rev. E | Page 2 of 28
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Timing Characteristics ................................................................ 5
Timing Diagrams .......................................................................... 5
Absolute Maximum Ratings ............................................................ 7
ESD Caution .................................................................................. 7
Pin Configuration and Function Descriptions ............................. 8
Typical Performance Characteristics ............................................. 9
Terminology .................................................................................... 14
Theory of Operation ...................................................................... 15
Digital-to-Analog Converter .................................................... 15
Circuit Operation ....................................................................... 15
Single-Supply Applications ....................................................... 17
Adding Gain ................................................................................ 18
Divider or Programmable Gain Element ................................ 18
Reference Selection .................................................................... 19
Amplifier Selection .................................................................... 19
Serial Interface ............................................................................ 20
Microprocessor Interfacing ....................................................... 22
PCB Layout and Power Supply Decoupling ........................... 24
Overview of AD54xx Devices ....................................................... 25
Outline Dimensions ....................................................................... 26
Ordering Guide .......................................................................... 26
REVISION HISTORY
5/13—Rev. D to Rev. E
Changes to General Description .................................................... 1
Changes to Ordering Guide .......................................................... 26
6/11—Rev. C to Rev. D
Changes to General Description .................................................... 1
Deleted Evaluation Board for the DAC Section ......................... 24
Changes to Ordering Guide .......................................................... 30
4/10—Rev. B to Rev. C
Added to Figure 4 ............................................................................. 6
3/08—Rev. A to Rev. B
Added t
13
and t
14
Parameters to Table 2 ......................................... 5
Changes to Figure 2 .......................................................................... 5
Changes to Figure 3 .......................................................................... 6
Changes to Figure 38 ...................................................................... 16
Changes to Ordering Guide .......................................................... 30
7/05—Rev. 0 to Rev. A
Changes to Features List .................................................................. 1
Changes to Specifications ................................................................ 3
Changes to Timing Characteristics .................................................5
Changes to Absolute Maximum Ratings Section ..........................7
Changes to General Description Section .................................... 15
Changes to Table 5 .......................................................................... 15
Changes to Table 6 .......................................................................... 16
Changes to Single-Supply Applications Section ......................... 17
Changes to Divider or Programmable Gain Element Section .... 18
Changes to Table 7 Through Table 10 ......................................... 20
Added ADSP-BF5xx-to-AD5429/AD5439/AD5449
Interface Section ........................................................................ 23
Change to PCB Layout and
Power Supply Decoupling Section .......................................... 25
Changes to Power Supplies for the Evaluation Board Section .... 25
Changes to Table 13 ....................................................................... 29
Updated Outline Dimensions ....................................................... 30
Changes to Ordering Guide .......................................................... 30
7/04—Revision 0: Initial Version