Datasheet

AD5696/AD5694 Data Sheet
Rev. A | Page 2 of 24
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
AC Characteristics ........................................................................ 5
Timing Characteristics ................................................................ 6
Absolute Maximum Ratings ............................................................ 7
Thermal Resistance ...................................................................... 7
ESD Caution .................................................................................. 7
Pin Configurations and Function Descriptions ........................... 8
Typical Performance Characteristics ............................................. 9
Terminology .................................................................................... 14
Theory of Operation ...................................................................... 16
Digital-to-Analog Converter .................................................... 16
Transfer Function ....................................................................... 16
DAC Architecture ....................................................................... 16
Serial Interface ............................................................................ 17
Write and Update Commands .................................................. 18
I
2
C Slave Address ........................................................................ 18
Serial Operation ......................................................................... 18
Write Operation.......................................................................... 18
Read Operation........................................................................... 19
Multiple DAC Readback Sequence .......................................... 19
Power-Down Operation ............................................................ 20
Load DAC (Hardware
LDAC
Pin) ........................................... 20
LDAC
Mask Register ................................................................. 21
Hardware Reset Pin (
RESET
) ................................................... 21
Reset Select Pin (RSTSEL) ........................................................ 21
Applications Information .............................................................. 22
Microprocessor Interfacing ....................................................... 22
AD5696/AD5694 to ADSP-BF531 Interface .......................... 22
Layout Guidelines....................................................................... 22
Galvanically Isolated Interface ................................................. 22
Outline Dimensions ....................................................................... 23
Ordering Guide .......................................................................... 24
REVISION HISTORY
6/13—Rev. 0 to Rev. A
Changes to Pin GAIN and Pin RSTSEL Descriptions; Table 7 ....... 8
7/12—Revision 0: Initial Version