AD5447 Analog Devices, AD5447 Datasheet - Page 2
AD5447
Manufacturer Part Number
AD5447
Description
Dual 12-Bit, High Bandwidth Multiplying DACs with Parallel Interface
Manufacturer
Analog Devices
Datasheet
1.AD5428.pdf
(32 pages)
Specifications of AD5447
Resolution (bits)
12bit
Dac Update Rate
21.3MSPS
Dac Settling Time
80ns
Max Pos Supply (v)
+5.5V
Single-supply
Yes
Dac Type
Current Out
Dac Input Format
Par
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AD5428/AD5440/AD5447
TABLE OF CONTENTS
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 6
Pin Configurations and Function Descriptions ........................... 7
Typical Performance Characteristics ........................................... 10
Terminology .................................................................................... 15
General Description ....................................................................... 16
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
Timing Characteristics ................................................................ 5
ESD Caution.................................................................................. 6
DAC Section................................................................................ 16
Circuit Operation ....................................................................... 16
Single-Supply Applications ....................................................... 19
Adding Gain................................................................................ 19
Rev. C | Page 2 of 32
Bill of Materials............................................................................... 27
Overview of AD54xx Devices....................................................... 28
Outline Dimensions ....................................................................... 29
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
Added ADSP-BF5xx-to-AD5428/AD5440/AD5447
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
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
Ordering Guide .......................................................................... 29
Interface Section ........................................................................ 22
Interface Section ........................................................................ 22
Data Sheet