AD5428/AD5440/AD5447 Data Sheet
Rev. C | Page 2 of 32
TABLE OF CONTENTS
Specifications..................................................................................... 3
Timing Characteristics ................................................................ 5
Absolute Maximum Ratings............................................................ 6
ESD Caution.................................................................................. 6
Pin Configurations and Function Descriptions ........................... 7
Typical Performance Characteristics ........................................... 10
Ter mi nolog y .................................................................................... 15
General Description ....................................................................... 16
DAC Section................................................................................ 16
Circuit Operation ....................................................................... 16
Single-Supply Applications ....................................................... 19
Adding Gain ................................................................................ 19
Divider or Programmable Gain Element................................ 20
Reference Selection .................................................................... 20
Amplifier Selection .................................................................... 20
Parallel Interface......................................................................... 22
Microprocessor Interfacing....................................................... 22
PCB Layout and Power Supply Decoupling ........................... 23
Evaluation Board for the AD5447............................................ 23
Power Supplies for the Evaluation Board................................ 23
Bill of Materials............................................................................... 27
Overview of AD54xx Devices....................................................... 28
Outline Dimensions ....................................................................... 29
Ordering Guide .......................................................................... 29
REVISION HISTORY
8/11—Rev. B to Rev. C
Changes to CS Pin Description, Table 6........................................ 9
3/11—Rev. A to Rev. B
Changes to Evaluation Board For the AD5447 Section ............ 23
Changes to Figure 47 Caption....................................................... 24
Changes to Figure 49...................................................................... 25
Change to U1 Description in Table 12......................................... 27
Change to Ordering Guide............................................................ 29
7/05—Rev. 0 to Rev. A
Changed Pin DAC A/B to DAC A/B................................Universal
Changes to Features List.................................................................. 1
Changes to Specifications................................................................ 3
Changes to Timing Characteristics ................................................ 5
Change to Figure 2 ........................................................................... 5
Change to Absolute Maximum Ratings Section........................... 6
Change to Figure 13, Figure 14, and Figure 18........................... 11
Change to Figure 32 Through Figure 34 ..................................... 14
Changes to General Description Section .................................... 16
Changes to Figure 37...................................................................... 16
Changes to Single-Supply Applications Section......................... 19
Changes to Figure 40 Through Figure 42.................................... 19
Changes to Divider or Programmable Gain Element Section.... 20
Changes to Figure 43...................................................................... 20
Changes to Table 9 Through Table 11 ......................................... 21
Changes to Microprocessor Interfacing Section ........................ 22
Added Figure 44 Through Figure 46 ........................................... 22
Added 8xC51-to-AD5428/AD5440/AD5447
Interface Section........................................................................ 22
Added ADSP-BF5xx-to-AD5428/AD5440/AD5447
Interface Section........................................................................ 22
Changes to Power Supplies for the Evaluation Board Section.... 23
Changes to Table 13 ....................................................................... 28
Updated Outline Dimensions....................................................... 29
Changes to Ordering Guide.......................................................... 29
7/04—Revision 0: Initial Version