AD7849

Rev. C | Page 2 of 20

TABLE OF CONTENTS

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

 

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

 

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

 

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

 

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

 

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

 

Reset Specifications ...................................................................... 4

 

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

 

Timing Characteristics ................................................................ 5

 

Absolute Maximum Ratings............................................................ 6

 

ESD Caution.................................................................................. 6

 

Pin Configuration and Function Descriptions............................. 7

 

Typical Performance Characteristics ..............................................8

 

Terminology .................................................................................... 10

 

Circuit Description......................................................................... 11

 

Digital-to-Analog Conversion.................................................. 11

 

Digital Interface.......................................................................... 12

 

Applying the AD7849 ................................................................ 13

 

Microprocessor Interfacing....................................................... 15

 

Applications Information .............................................................. 17

 

Opto-Isolated Interface ............................................................. 17

 

Outline Dimensions ....................................................................... 18

 

Ordering Guide .......................................................................... 19

 

REVISION HISTORY

3/11—Rev. B to Rev. C

Deleted 20-Lead CERDIP (Q-20) Package and

T Version .............................................................................Universal

Updated Format..................................................................Universal

Deleted AD7849-to-ADSP-2101/ADSP-2102 Interface Section

and Figure 20; Renumbered Sequentially.................................... 12