link to page 1 link to page 1 link to page 1 link to page 1 link to page 2 link to page 3 link to page 3 link to page 5 link to page 5 link to page 5 link to page 6 link to page 11 link to page 11 link to page 11 link to page 11 link to page 11 link to page 12 link to page 12 link to page 13 link to page 13 link to page 13 link to page 14 link to page 14 link to page 14 link to page 15 link to page 16 AD8591/AD8592/AD8594TABLE OF CONTENTS Features .. 1 Output Short-Circuit Protection .. 11 Applications ... 1 Power Dissipation... 11 General Description ... 1 Capacitive Loading ... 12 Pin Configurations ... 1 PC98-Compliant Headphone/Speaker Amplifier .. 12 Revision History ... 2 A Combined Microphone and Speaker Amplifier for Specifications ... 3 Cellphone and Portable Headsets .. 13 Electrical Characteristics ... 3 An Inexpensive Sample-and-Hold Circuit ... 13 Absolute Maximum Ratings .. 5 Direct Access Arrangement for PCMCIA Modems (Telephone Line Interface) .. 14 Thermal Resistance .. 5 Single-Supply Differential Line Driver .. 14 ESD Caution .. 5 Outline Dimensions ... 15 Typical Performance Characteristics ... 6 Ordering Guide .. 16 Theory of Operation .. 11 Input Voltage Protection.. 11 Output Phase Reversal ... 11 REVISION HISTORY1/09—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 Rev. B | Page 2 of 16 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PIN CONFIGURATIONS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION INPUT VOLTAGE PROTECTION OUTPUT PHASE REVERSAL OUTPUT SHORT-CIRCUIT PROTECTION POWER DISSIPATION CAPACITIVE LOADING PC98-COMPLIANT HEADPHONE/SPEAKER AMPLIFIER A COMBINED MICROPHONE AND SPEAKER AMPLIFIER FOR CELLPHONE AND PORTABLE HEADSETS AN INEXPENSIVE SAMPLE-AND-HOLD CIRCUIT DIRECT ACCESS ARRANGEMENT FOR PCMCIA MODEMS (TELEPHONE LINE INTERFACE) SINGLE-SUPPLY DIFFERENTIAL LINE DRIVER OUTLINE DIMENSIONS ORDERING GUIDE
