AD5673R/AD5677R

Data Sheet

Rev. 0 | Page 2 of 31

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications....................................................................................... 1

General Description ......................................................................... 1

Product Highlights ........................................................................... 1

Functional Block Diagram .............................................................. 1

Revision History ............................................................................... 2

Specifications..................................................................................... 3

AD5673R Specifications.............................................................. 3

AD5677R Specifications.............................................................. 5

AC Characteristics........................................................................ 7

Timing Characteristics ................................................................ 8

Absolute Maximum Ratings............................................................ 9

Thermal Resistance ...................................................................... 9

ESD Caution.................................................................................. 9

Pin Configuration and Function Descriptions........................... 10

Typical Performance Characteristics ........................................... 12

Terminology .................................................................................... 21

Theory of Operation ...................................................................... 23

Digital-to-Analog Converter (DAC) ....................................... 23

Transfer Function ....................................................................... 23

DAC Architecture....................................................................... 23

Serial Interface ............................................................................ 23

Write and Update Commands.................................................. 25

I2C Slave Address........................................................................ 25

Serial Operation ......................................................................... 25

Write Operation.......................................................................... 25

Read Operation........................................................................... 25

Multiple DAC Readback Sequence .......................................... 25

Power-Down Operation ............................................................ 27

Load DAC (Hardware LDAC Pin)........................................... 27

LDAC Mask Register ................................................................. 28

Hardware Reset (RESET) .......................................................... 28

Power-On Reset Internal Circuit.............................................. 28

Software Reset............................................................................. 28

Internal Reference Setup ........................................................... 28

Solder Heat Reflow..................................................................... 29

Long-Term Temperature Drift ................................................. 29

Thermal Hysteresis .................................................................... 29

Applications Information .............................................................. 30

Power Supply Recommendations............................................. 30

Microprocessor Interfacing....................................................... 30

AD5673R/AD5677R to ADSP-BF531 Interface..................... 30

Layout Guidelines....................................................................... 30

Galvanically Isolated Interface ................................................. 30

Outline Dimensions....................................................................... 31

Ordering Guide .......................................................................... 31

REVISION HISTORY

4/2020—Revision 0: Initial Version