AD7765

Preliminary Technical Data

Rev. PrC | Page 2 of 21

TABLE OF CONTENTS

PRODUCT OVERVIEW............................................................. 1

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

Timing Specifications....................................................................... 5

Timing Diagrams.............................................................................. 6

Absolute Maximum Ratings............................................................ 7

ESD Caution.................................................................................. 7

Pin Configuration and Functional Descriptions.......................... 8

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

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

Theory of Operation ...................................................................... 12

AD7765 Interface............................................................................ 13

Reading Data............................................................................... 13

Writing To The AD7765............................................................ 13

Reading Status and Other Registers......................................... 13

Synchronisation .......................................................................... 13

Daisy Chaining ............................................................................... 14

Clocking the AD7765 .................................................................... 16

Driving The AD7765 ..................................................................... 17

Using The AD7765..................................................................... 18

Bias Resistor Selection ............................................................... 18

AD7765 Registers ........................................................................... 19

Non Bit-Mapped Registers........................................................ 20

Outline Dimensions ....................................................................... 21

Ordering Guide .......................................................................... 21

REVISION HISTORY