The TPA4411 and TPA4411M are stereo headphone drivers designed to allowthe removal of the output DC-blocking capacitors for reduced component count and cost. The TPA4411 and TPA4411M are ideal for small portable electronics where size and cost are critical design parameters.
●The TPA4411 and TPA4411M are capable of driving 80 mW into a 16- load at 4.5 V. Both TPA4411 and TPA4411M have a fixed gain of 1.5 V/V and headphone outputs that have ±8-kV IEC ESD protection. The TPA4411 and TPA4411M have independent shutdown control for the right and left audio channels.
●The TPA4411 is available in a 2.18 mm × 2.18 mm WCSP and 4 mm × 4 mm Thin QFN packages. The TPA4411M is available in a 4 mm × 4 mm Thin QFN package. The TPA4411RTJ package is a thermally optimized PowerPAD package allowing the maximum amount of thermal dissipation and the TPA4411MRTJ is a thermally enhanced PowerPAD package designed to match competitive package footprints.
● Space Saving Packages
● 20-Pin, 4 mm × 4 mm Thin QFN
● PA4411 Thermally Optimized PowerPAD™ Package
● TTPA4411M Thermally Enhanced PowerPAD Package
● 16-Ball, 2.18 mm × 2.18 mm WCSP
● Ground-Referenced Outputs Eliminate
●DC-Bias Voltages on Headphone Ground Pin
● No Output DC-Blocking Capacitors
● Reduced Board Area
● Reduced Component Cost
● Improved THD+N Performance
● No Degradation of Low-Frequency Response Due to Output Capacitors
● Wide Power Supply Range: 1.8 V to 4.5 V
● 80-mW/Ch Output Power into 16- at 4.5 V
● Independent Right and Left Channel
●Shutdown Control
● Short-Circuit and Thermal Protection
● Pop Reduction Circuitry
● APPLICATIONS
● Notebook Computers
● CD / MP3 Players
● Smart Phones
● Cellular Phones
● PDAs
