AD5445 Analog Devices, AD5445 Datasheet - Page 2

• Manufacturer Part Number: AD5445
• Description: High Bandwidth CMOS 12-Bit Parallel Interface Multiplying D/A Converter
• Manufacturer: Analog Devices

Specifications of AD5445

• Resolution (bits): 12bit
• Dac Update Rate: 20.4MSPS
• Dac Settling Time: 80ns
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Current Out
• Dac Input Format: Par

AD5424/AD5433/AD5445
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Timing Characteristics..................................................................... 5
Absolute Maximum Ratings............................................................ 6
Pin Configurations and Function Descriptions ........................... 7
Typical Performance Characteristics ........................................... 10
Theory of Operation ...................................................................... 18
REVISION HISTORY
12/12—Rev. B to Rev. C
Changes to General Description Section ...................................... 1
Added Note 2 to Table 1 .................................................................. 4
Added EPAD Note to Table 4 and EPAD Note to Figure 4......... 7
Added EPAD Note to Table 5 and EPAD Note to Figure 6......... 8
Added EPAD Note to Table 6 and EPAD Note to Figure 8......... 9
Deleted the Evaluation Board for AD5424/AD5433/AD5445
Section and Power Supplies for Evaluation Board Section ....... 23
Deleted Figure 59; Renumbered Sequentially ............................ 24
Deleted Figure 60 and Figure 61................................................... 25
Changes to Ordering Guide .......................................................... 26
Deleted Figure 62 and Table 12; Renumbered Sequentially ..... 26
8/09—Rev. A to Rev. B
Updated Outline Dimensions ....................................................... 28
Changes to Ordering Guide .......................................................... 29
ESD Caution.................................................................................. 6
Terminology ................................................................................ 17
Rev. C | Page 2 of 28
PCB Layout and Power Supply Decoupling................................ 24
Outline Dimensions ....................................................................... 25
3/05—Rev. 0 to Rev. A
Updated Format..................................................................Universal
Changes to Specifications.................................................................4
Changes to Figure 49...................................................................... 17
Changes to Figure 50...................................................................... 18
Changes to Figure 51, Figure 52, and Figure 54 ......................... 19
Added Microprocessor Interfacing Section ................................ 22
Added Figure 59 ............................................................................. 24
Added Figure 60 ............................................................................. 25
10/03—Initial Version: Revision 0
Circuit Operation ....................................................................... 18
Bipolar Operation....................................................................... 19
Single-Supply Applications ....................................................... 20
Positive Output Voltage ............................................................. 20
Adding Gain................................................................................ 21
DACs Used as a Divider or Programmable Gain Element ... 21
Reference Selection .................................................................... 22
Amplifier Selection .................................................................... 22
Parallel Interface......................................................................... 23
Microprocessor Interfacing....................................................... 23
Ordering Guide .......................................................................... 26
Data Sheet