AD5379

Rev. B | Page 2 of 28

TABLE OF CONTENTS

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

 

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

 

General Description ......................................................................... 3

 

Specifications..................................................................................... 4

 

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

 

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

 

Serial Interface .............................................................................. 6

 

Parallel Interface ........................................................................... 9

 

Absolute Maximum Ratings.......................................................... 11

 

ESD Caution................................................................................ 11

 

Pin Configuration and Function Descriptions........................... 12

 

Terminology .................................................................................... 15

 

Typical Performance Characteristics ........................................... 16

 

Functional Description .................................................................. 18

 

DAC Architecture—General..................................................... 18

 

Channel Groups.......................................................................... 18

 

Transfer Function ....................................................................... 18

 

VBIAS Function ............................................................................. 19

 

Reference Selection .................................................................... 19

 

Calibration................................................................................... 20

 

Clear Function ............................................................................ 20

 

BUSY and LDAC Functions...................................................... 20

 

FIFO vs. Non-FIFO Operation................................................. 21

 

BUSY Input Function ................................................................ 21

 

Power-On Reset Function......................................................... 21

 

RESET Input Function .............................................................. 21

 

Increment/Decrement Function .............................................. 21

 

Interfaces.......................................................................................... 22

 

Parallel Interface......................................................................... 22

 

Serial Interface ............................................................................ 22

 

Data Decoding ................................................................................ 24

 

Address Decoding .......................................................................... 25

 

Power Supply Decoupling ............................................................. 26

 

Power-On .................................................................................... 26

 

Typical Application Circuit ........................................................... 27

 

Outline Dimensions ....................................................................... 28

 

Ordering Guide .......................................................................... 28

 

REVISION HISTORY

7/09—Rev. A t o Rev. B

Changes to Table 14........................................................................ 24

1/05—Rev. 0 to Rev. A

Changes to Table 1............................................................................ 3

Change to Transfer Function Equation ....................................... 18

4/04—Revision 0: Initial Version