Datasheet

AD9741/AD9743/AD9745/AD9746/AD9747 Data Sheet
Rev. A | Page 2 of 28
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
DC Specifications ......................................................................... 3
AC Specifications .......................................................................... 5
Digital and Timing Specifications .............................................. 7
Absolute Maximum Ratings ............................................................ 8
Thermal Resistance ...................................................................... 8
ESD Caution .................................................................................. 8
Pin Configurations and Function Descriptions ........................... 9
Typical Performance Characteristics ........................................... 14
Terminology .................................................................................... 17
Theory of Operation ...................................................................... 18
Serial Peripheral Interface ......................................................... 18
General Operation of the Serial Interface ............................... 18
Instruction Byte .......................................................................... 18
MSB/LSB Transfers .................................................................... 19
Serial Interface Port Pin Descriptions ..................................... 19
SPI Register Map ............................................................................ 20
SPI Register Descriptions .............................................................. 21
Digital Inputs and Outputs ........................................................... 22
Input Data Timing ..................................................................... 22
Dual-Port Mode Timing ........................................................... 22
Single-Port Mode Timing ......................................................... 22
SPI Port, Reset, and Pin Mode .................................................. 22
Driving the DAC Clock Input .................................................. 23
Full-Scale Current Generation ................................................. 23
DAC Transfer Function ............................................................. 24
Analog Modes of Operation ..................................................... 24
Auxiliary DACS .......................................................................... 25
Power Dissipation....................................................................... 25
Outline Dimensions ....................................................................... 27
Ordering Guide .......................................................................... 27
REVISION HISTORY
1/14—Rev. 0 to Rev. A
Changes to Table 15 ........................................................................ 21
Updated Outline Dimensions ....................................................... 27
Changes to Ordering Guide .......................................................... 27
5/07—Revision 0: Initial Version