
AD5383
TABLE OF CONTENTS
General Description.........................................................................3
Rev. 0 | Page 2 of 40
Specifications.....................................................................................4
AD5383-5 Specifications.............................................................4
AD5383-3 Specifications.............................................................6
AC Characteristics........................................................................7
Timing Characteristics.....................................................................8
Serial Interface Timing................................................................8
I C Serial Interface Timing
2
........................................................10
Parallel Interface Timing...........................................................11
Absolute Maximum Ratings..........................................................13
Pin Configuration and Function Descriptions...........................14
Terminology....................................................................................17
Typical Performance Characteristics...........................................18
Functional Description..................................................................21
DAC Architecture—General.....................................................21
Data Decoding............................................................................21
On-Chip Special Function Registers (SFR) ............................22
SFR Commands..........................................................................22
Hardware Functions.......................................................................25
Reset Function............................................................................25
Asynchronous Clear Function.................................................. 25
BUSY and LDAC Functions...................................................... 25
FIFO Operation in Parallel Mode............................................ 25
Power-On Reset.......................................................................... 25
Power-Down............................................................................... 25
AD5383 Interfaces.......................................................................... 26
DSP, SPI, MICROWIRE Compatible Serial Interfaces.......... 26
I C Serial Interface
2
..................................................................... 28
Parallel Interface......................................................................... 30
Microprocessor Interfacing....................................................... 31
Application Information................................................................ 33
Power Supply Decoupling......................................................... 33
Typical Configuration Circuit.................................................. 33
AD5383 Monitor Function....................................................... 34
Toggle Mode Function............................................................... 34
Thermal Monitor Function....................................................... 34
Optical Attenuators.................................................................... 35
Utilizing the AD5383 FIFO....................................................... 36
Outline Dimensions....................................................................... 37
Ordering Guide .......................................................................... 37
REVISION HISTORY
5/04—Revision 0: Initial Version