AD7538

Rev. B | Page 2 of 16

TABLE OF CONTENTS

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

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

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

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

Product Highlights ........................................................................... 1

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

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

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

Timing Characteristics ................................................................ 4

Timing Diagram ........................................................................... 5

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

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

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

Terminology ...................................................................................... 8

DAC Section...................................................................................... 9

Circuit Information ........................................................................ 10

Equivalent Circuit Analysis ...................................................... 10

Digital Section ............................................................................ 10

Unipolar Binary Operation (2-Quadrant Multiplication) .... 10

Bipolar Operation (4-Quadrant Multiplication).................... 11

Low Leakage Configuration...................................................... 11

Programmable Gain Amplifier................................................. 12

Application Hints ........................................................................... 13

Output Offset .............................................................................. 13

General Ground Management.................................................. 13

Microprocessor Interfacing....................................................... 13

AD7538-to-8086 Interface ........................................................ 13

AD7538-to-MC68000 Interface ............................................... 13

Digital Feedthrough................................................................... 14

Outline Dimensions ....................................................................... 15

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

REVISION HISTORY

1/09—Rev. A to Rev. B

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

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

Updated Outline Dimensions ....................................................... 15

Changes to Ordering Guide .......................................................... 15

5/87—Rev. 0 to Rev. A