AD8614/AD8644ABSOLUTE MAXIMUM RATINGSTHERMAL RESISTANCETable 2. θ Parameter Rating JA is specified for the worst-case conditions, that is, a device soldered in a circuit board for surface-mount packages. Supply Voltage 20 V Input Voltage GND to VS Table 3. Thermal Resistance Storage Temperature Range −65°C to +150°C Package TypeθJAθJCUnit Operating Temperature Range −20°C to +85°C 5-Lead SOT-23 (RJ) 230 140 °C/W Junction Temperature Range −65°C to +150°C 14-Lead TSSOP (RU) 180 35 °C/W Lead Temperature Range (Soldering, 60 sec) 300°C 14-Lead SOIC (R) 120 56 °C/W Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress ESD CAUTION rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Rev. B | Page 4 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 OUTPUT SHORT-CIRCUIT PROTECTION INPUT OVERVOLTAGE PROTECTION OUTPUT PHASE REVERSAL POWER DISSIPATION UNUSED AMPLIFIERS CAPACITIVE LOAD DRIVE DIRECT ACCESS ARRANGEMENT A ONE-CHIP HEADPHONE/MICROPHONE PREAMPLIFIER SOLUTION OUTLINE DIMENSIONS ORDERING GUIDE