AD5449 Analog Devices, AD5449 Datasheet - Page 2
AD5449
Manufacturer Part Number
AD5449
Description
Dual 12-Bit, High Bandwidth Multiplying DAC with Serial Interface
Manufacturer
Analog Devices
Datasheet
1.AD5429.pdf
(28 pages)
Specifications of AD5449
Resolution (bits)
12bit
Dac Update Rate
2.47MSPS
Dac Settling Time
80ns
Max Pos Supply (v)
+5.5V
Single-supply
Yes
Dac Type
Current Out
Dac Input Format
Ser,SPI
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD5449YRU
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Part Number:
AD5449YRUZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
AD5429/AD5439/AD5449
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 7
Pin Configuration and Function Descriptions............................. 8
Typical Performance Characteristics ............................................. 9
Terminology .................................................................................... 14
Theory of Operation ...................................................................... 15
REVISION HISTORY
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
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
Timing Characteristics ................................................................ 5
Timing Diagrams.......................................................................... 5
ESD Caution.................................................................................. 7
13
and t
14
Parameters to Table 2 ......................................... 5
Rev. D | Page 2 of 28
Overview of AD54xx Devices....................................................... 25
Outline Dimensions ....................................................................... 26
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
Change to PCB Layout and
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
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
Ordering Guide .......................................................................... 26
Interface Section ........................................................................ 23
Power Supply Decoupling Section .......................................... 25