AD5446 Analog Devices, AD5446 Datasheet - Page 2

• Manufacturer Part Number: AD5446
• Description: 14-Bit High Bandwidth Multiplying DAC with Serial Interface
• Manufacturer: Analog Devices

Specifications of AD5446

• Resolution (bits): 14bit
• Dac Update Rate: 2.7MSPS
• Dac Settling Time: 80ns
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Current Out
• Dac Input Format: Ser,SPI

AD5444/AD5446
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 6
Pin Configuration and Function Descriptions............................. 7
Typical Performance Characteristics ............................................. 8
Terminology .................................................................................... 14
General Description ....................................................................... 15
REVISION HISTORY
4/07—Rev. B to Rev. C
Changes to Table 9.......................................................................... 19
Changes to Ordering Guide .......................................................... 28
4/06—Rev. A to Rev. B
Changes to Features.......................................................................... 1
Changes to General Description .................................................... 1
Changes to Table 1............................................................................ 3
Changes to Figure 22...................................................................... 10
Changes to Figure 23...................................................................... 10
Changes to Table 9.......................................................................... 19
Changes to Table 12........................................................................ 27
Updated Outline Dimensions ....................................................... 28
Changes to Ordering Guide .......................................................... 28
Timing Characteristics ................................................................ 5
ESD Caution.................................................................................. 6
DAC Section................................................................................ 15
Rev. C | Page 2 of 28
Serial Interface ................................................................................ 20
PCB Layout and Power Supply Decoupling................................ 23
Overview of AD54xx and AD55xx Current Output Devices... 27
Outline Dimensions ....................................................................... 28
4/05—Rev. 0 to Rev. A
Added AD5446 ...................................................................Universal
Changes to Features ..........................................................................1
Changes to General Description .....................................................1
Changes to Specifications.................................................................3
Inserted Figure 7; Renumbered Sequentially.................................9
Inserted Figure 9; Renumbered Sequentially.................................9
Inserted Figure 13; Renumbered Sequentially ........................... 10
Changes to Figure 22...................................................................... 11
Changes to Figure 23...................................................................... 11
Changes to Serial Interface............................................................ 20
Changes to Figure 44...................................................................... 20
Changes to Figure 45...................................................................... 20
Updated Outline Dimensions....................................................... 28
Changes to Ordering Guide .......................................................... 28
10/04—Revision 0: Initial Version
Circuit Operation ....................................................................... 15
Single-Supply Applications ....................................................... 17
Adding Gain................................................................................ 17
Divider or Programmable Gain Element................................ 17
Amplifier Selection .................................................................... 18
Reference Selection .................................................................... 18
Microprocessor Interfacing....................................................... 21
Evaluation Board for the DAC ................................................. 23
Power Supplies for the Evaluation Board................................ 23
Ordering Guide .......................................................................... 28