AD5676

Data Sheet

Rev. B | Page 2 of 27

TABLE OF CONTENTS

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

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

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

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

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

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

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

AC Characteristics........................................................................ 5

Timing Characteristics ................................................................ 6

Daisy-Chain and Readback Timing Characteristics ............... 7

Absolute Maximum Ratings............................................................ 8

Thermal Resistance ...................................................................... 8

ESD Caution.................................................................................. 8

Pin Configuration and Function Descriptions............................. 9

Typical Performance Characteristics ........................................... 11

Terminology .................................................................................... 17

Theory of Operation ...................................................................... 19

Digital-to-Analog Converter .................................................... 19

Transfer Function ....................................................................... 19

DAC Architecture....................................................................... 19

Serial Interface ............................................................................ 20

Standalone Operation................................................................ 21

Write and Update Commands.................................................. 21

Daisy-Chain Operation ............................................................. 21

Readback Operation .................................................................. 22

Power-Down Operation ............................................................ 22

Load DAC (Hardware LDAC Pin)........................................... 23

LDAC Mask Register ................................................................. 23

Hardware Reset (RESET) .......................................................... 24

Reset Select Pin (RSTSEL) ........................................................ 24

Amplifier Gain Selection on LFCSP Package......................... 24

Applications Information .............................................................. 25

Power Supply Recommendations............................................. 25

Microprocessor Interfacing....................................................... 25

AD5676 to ADSP-BF531 Interface .......................................... 25

AD5676 to SPORT Interface..................................................... 25

Layout Guidelines....................................................................... 25

Galvanically Isolated Interface ................................................. 26

Outline Dimensions....................................................................... 27

Ordering Guide .......................................................................... 27

REVISION HISTORY

10/15—Rev. A to Rev. B

Added 20-Lead LFCSP.......................................................Universal

Changes to Features Section, General Description Section,

Table 1, Product Highlights Section, and Figure 1....................... 1

Changes to Table 2............................................................................ 3

Deleted Figure 5; Renumbered Sequentially................................. 8

Change to Table 5 ............................................................................. 8

Added Table 6; Renumbered Sequentially .................................... 8

Change to Table 7 ............................................................................. 9

Added Figure 6 and Table 8........................................................... 10

Change to Figure 10 to Figure 12 ................................................. 11

Change to Figure 13 to Figure 18 ................................................. 12

Changes to Figure 19, Figure 20, and Figure 22 ......................... 13

Change to Figure 25, Figure 28, and Figure 30........................... 14

Change to Figure 31, Figure 34, Figure 35, and Figure 36 ........ 15

Change to Figure 37 and Figure 38 .............................................. 16

Changes to Transfer Function Section and Output Amplifiers

Section.............................................................................................. 19

Change to Table 9 ........................................................................... 20

Changes to Write to and Update DAC Channel n (Independent

of LDAC) Section ........................................................................... 21

Changes to Readback Operation Section.................................... 22

Changes to LDAC Mask Register Section and Table 14............ 23

Changes to Reset Select Pin (RSTSEL) Section.......................... 24

Added Amplifier Gain Selection on LFCSP Section, Table 16,

and Table 17 .................................................................................... 24

Added Figure 53, Outline Dimensions........................................ 27

Changes to Ordering Guide.......................................................... 27

2/15—Rev. 0 to Rev. A

Changes to Table 2.............................................................................3

Change to RESET Pulse Activation Time Parameter, Table 4.....6

Change to Terminology Section................................................... 17

Changes to Transfer Function Section and Output Amplifiers

Section.............................................................................................. 19

Changes to Hardware Reset (RESET) Section............................ 24

Changes to Ordering Guide.......................................................... 27

10/14—Revision 0: Initial Version