AD5346/AD5347/AD5348

Rev. 0 | Page 2 of 24

TABLE OF CONTENTS

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

AC Characteristics............................................................................ 4

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

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

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

AD5346 Pin Configurations and Function Descriptions ........... 7

AD5347 Pin Configurations and Function Descriptions ........... 8

AD5348 Pin Configurations and Function Descriptions ........... 9

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

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

Functional Description .................................................................. 16

Digital-to-Analog Section ......................................................... 16

Resistor String ............................................................................. 16

DAC Reference Input................................................................. 16

Output Amplifier ........................................................................ 16

Parallel Interface ......................................................................... 17

Power-On Reset.......................................................................... 17

Power-Down Mode .................................................................... 17

Suggested Data Bus Formats..................................................... 18

Applications Information .............................................................. 19

Typical Application Circuits ..................................................... 19

Driving VDD from the Reference Voltage................................. 19

Bipolar Operation Using the AD5346/AD5347/AD5348..... 19

Decoding Multiple AD5346/AD5347/AD5348s.................... 20

AD5346/AD5347/AD5348 as Digitally Programmable

Window Detectors ...................................................................... 20

Programmable Current Source ................................................ 20

Coarse and Fine Adjustment Using the

AD5346/AD5347/AD5348 ....................................................... 21

Power Supply Bypassing and Grounding................................ 21

Outline Dimensions ....................................................................... 23

Ordering Guides......................................................................... 24

REVISION HISTORY

Revision 0: Initial Version