AD5025 Analog Devices, AD5025 Datasheet - Page 2

• Manufacturer Part Number: AD5025
• Description: Fully Accurate 12-Bit VOUT DAC SPI Interface 2.7 V to 5.5 V in a TSSOP
• Manufacturer: Analog Devices

Specifications of AD5025

• Resolution (bits): 12bit
• Dac Update Rate: 1.5MSPS
• Dac Settling Time: 10.7µs
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Voltage Out
• Dac Input Format: Ser,SPI

AD5025/AD5045/AD5065
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 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 .................................................................................... 15
Theory of Operation ...................................................................... 17
REVISION HISTORY
10/08—Revision 0: Initial Version
AC Characteristics ........................................................................ 4
Timing Characteristics ................................................................ 5
ESD Caution .................................................................................. 7
Digital-to-Analog Converter .................................................... 17
DAC Architecture ....................................................................... 17
Reference Buffer ......................................................................... 17
Output Amplifier ........................................................................ 17
Serial Interface ............................................................................ 17
Rev. 0 | Page 2 of 28
Applications Information .............................................................. 24
Outline Dimensions ....................................................................... 25
Input Register .............................................................................. 17
Standalone Mode ........................................................................ 19
SYNC Interrupt .......................................................................... 19
Daisy-Chaining ........................................................................... 19
Power-On Reset and Software Reset ....................................... 20
Power-Down Modes .................................................................. 20
Clear Code Register ................................................................... 21
LDAC Function ........................................................................... 21
Power-Down Lockout ................................................................ 22
Power Supply Bypassing and Grounding ................................ 22
Microprocessor Interfacing ....................................................... 23
Using a Reference as a Power Supply for the
AD5025/AD5045/AD5065 ....................................................... 24
Bipolar Operation Using the AD5025/AD5045/AD5065 ..... 24
Using the AD5025/AD5045/AD5065 with a
Galvanically Isolated Interface ................................................. 24
Ordering Guide .......................................................................... 25