AD5686R Datasheet, PDF (2/32 Pages) Analog Devices – Quad, 16-/14-/12-Bit nanoDAC

AD5686R/AD5685R/AD5684R
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
Daisy-Chain and Readback Timing Characteristics ............... 7
Absolute Maximum Ratings............................................................ 9
ESD Caution.................................................................................. 9
Pin Configuration and Function Descriptions........................... 10
Typical Performance Characteristics ........................................... 11
Terminology .................................................................................... 18
Theory of Operation ...................................................................... 20
Digital-to-Analog Converter .................................................... 20
Transfer Function ....................................................................... 20
DAC Architecture....................................................................... 20
Serial Interface ............................................................................ 21
Standalone Operation ................................................................ 22
REVISION HISTORY
4/12—Revision 0: Initial Version
Data Sheet
Write and Update Commands.................................................. 22
Daisy-Chain Operation ............................................................. 23
Readback Operation .................................................................. 23
Power-Down Operation ............................................................ 24
Load DAC (Hardware LDAC Pin) ........................................... 25
LDAC Mask Register ................................................................. 25
Hardware Reset (RESET) .......................................................... 26
Reset Select Pin (RSTSEL) ........................................................ 26
Internal Reference Setup ........................................................... 26
Solder Heat Reflow..................................................................... 26
Long-Term Temperature Drift ................................................. 26
Thermal Hysteresis .................................................................... 27
Applications Information .............................................................. 28
Microprocessor Interfacing....................................................... 28
AD5686R/AD5685R/AD5684R to ADSP-BF531 Interface.. 28
AD5686R/AD5685R/AD5684R to SPORT Interface ............ 28
Layout Guidelines....................................................................... 28
Galvanically Isolated Interface ................................................. 29
Outline Dimensions ....................................................................... 30
Ordering Guide .......................................................................... 31
Rev. 0 | Page 2 of 32