Datasheet

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