AD8591/AD8592/AD8594

Rev. B | Page 2 of 16

TABLE OF CONTENTS

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

 

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

 

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

 

Pin Configurations ........................................................................... 1

 

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

 

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

 

Electrical Characteristics............................................................. 3

 

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

 

Thermal Resistance ...................................................................... 5

 

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

 

Typical Performance Characteristics ............................................. 6

 

Theory of Operation ...................................................................... 11

 

Input Voltage Protection............................................................ 11

 

Output Phase Reversal............................................................... 11

 

Output Short-Circuit Protection.............................................. 11

 

Power Dissipation....................................................................... 11

 

Capacitive Loading..................................................................... 12

 

PC98-Compliant Headphone/Speaker Amplifier.................. 12

 

A Combined Microphone and Speaker Amplifier for

Cellphone and Portable Headsets ............................................ 13

 

An Inexpensive Sample-and-Hold Circuit ............................. 13

 

Direct Access Arrangement for PCMCIA Modems

(Telephone Line Interface) ........................................................ 14

 

Single-Supply Differential Line Driver.................................... 14

 

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

 

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

 

REVISION HISTORY

1/09—Rev. A to Rev. B

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

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

Changes to Table 2............................................................................ 4

Deleted Spice Model for AD8591/AD8592/AD8594 Amplifiers

Sections ............................................................................................ 12

Changes to PC98-Compliant Headphone/Speaker Amplifier

Section and Figure 38..................................................................... 12

Changes to Figure 39...................................................................... 13

Changes to Figure 42 and Figure 43............................................. 14

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

Changes to Ordering Guide .......................................................... 16