Datasheet

AD5696R/AD5695R/AD5694R Data Sheet
Rev. B | Page 2 of 32
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
ESD Caution .................................................................................. 7
Pin Configuration and Function Descriptions ............................. 8
Typical Performance Characteristics ............................................. 9
Terminology .................................................................................... 16
Theory of Operation ...................................................................... 18
Digital-to-Analog Converter .................................................... 18
Transfer Function ....................................................................... 18
DAC Architecture ....................................................................... 18
Serial Interface ............................................................................ 19
Write and Update Commands .................................................. 20
Serial Operation ......................................................................... 21
Write Operation.......................................................................... 21
Read Operation........................................................................... 22
Multiple DAC Readback Sequence .......................................... 22
Power-Down Operation ............................................................ 23
Load DAC (Hardware
LDAC
Pin) ........................................... 24
LDAC
Mask Register ................................................................. 24
Hardware Reset (
RESET
) .......................................................... 25
Reset Select Pin (RSTSEL) ........................................................ 25
Internal Reference Setup ........................................................... 25
Solder Heat Reflow ..................................................................... 25
Long-Term Temperature Drift ................................................. 25
Thermal Hysteresis .................................................................... 26
Applications Information .............................................................. 27
Microprocessor Interfacing ....................................................... 27
AD5696R/AD5695R/AD5694R to ADSP-BF531 Interface .. 27
Layout Guidelines....................................................................... 27
Galvanically Isolated Interface ................................................. 27
Outline Dimensions ....................................................................... 28
Ordering Guide .......................................................................... 29
REVISION HISTORY
6/13—Rev. A to Rev. B
Changes to Pin GAIN and Pin RSTSEL Descriptions; Table 6 ........ 8
11/12—Rev. 0 to Rev. A
Changes to Table 1 ............................................................................. 1
Changes to Table 4 ............................................................................ 6
Changes to Figure 10 ........................................................................ 9
Changes to Figure 33 ...................................................................... 13
Changes to Serial Interface Section .............................................. 19
Changes to Figure 52 ...................................................................... 22
4/12—Revision 0: Initial Version