AD8387

Rev. 0 | Page 2 of 16

TABLE OF CONTENTS

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

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

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

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

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

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

Absolute Maximum Ratings............................................................ 5

Exposed Paddle............................................................................. 5

Overload Protection..................................................................... 5

Maximum Power Dissipation ..................................................... 5

Operating Temperature Range ................................................... 5

ESD Caution.................................................................................. 5

Pin Configuration and Function Descriptions............................. 6

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

Timing Diagrams.............................................................................. 9

Single Data Bus Configuration, DSW = LOW ......................... 9

Dual Data Bus Configuration, DSW = HIGH........................ 10

Functional Description .................................................................. 12

Reference and Control Input Description............................... 12

Theory of Operation ...................................................................... 13

Transfer Function and Analog Output Voltage...................... 13

Accuracy ...................................................................................... 13

Applications..................................................................................... 14

Optimized Reliability with the Thermal Switch .................... 14

Initial Power-Up After Assembly or Repair............................ 14

Power-Up During Normal Operation ..................................... 14

Power Supply Sequencing ......................................................... 14

Power-On Sequence................................................................... 14

Power-Off Sequence................................................................... 14

Grounded Output Mode During Power-Off .......................... 14

PCB Design for Optimized Thermal Performance ............... 14

Thermal Pad Design .................................................................. 15

Thermal via Structure Design .................................................. 15

AD8387 PCB Design Recommendations ............................... 15

Outline Dimensions ....................................................................... 16

Ordering Guide .......................................................................... 16

REVISION HISTORY

10/05—Revision 0: Initial Version