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

• Output power (W)
• 0.08
• Analog supply (Min) (V)
• 1.8
• Analog supply (Max) (V)
• 4.5
• PSRR (dB)
• 80
• Rating
• Catalog
• Operating temperature range (C)
• -40 to 85
• Headphone channels
• Stereo
• Volume control
• No
• Shutdown current (ISD) (uA)
• 1
• Architecture
• Class-AB
• Iq per channel (Typ) (mA)
• 3.7

TPA4411的完整型号有：TPA4411MRTJR、TPA4411MRTJT、TPA4411RTJR、TPA4411RTJT、TPA4411YZHR、TPA4411YZHT，以下是这些产品的关键参数及官网采购报价：

TPA4411MRTJR，工作温度：-40 to 85，封装：QFN (RTJ)-20，包装数量MPQ：3000个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网TPA4411MRTJR的批量USD价格：0.596（1000+）

TPA4411MRTJT，工作温度：-40 to 85，封装：QFN (RTJ)-20，包装数量MPQ：250个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网TPA4411MRTJT的批量USD价格：0.715（1000+）

TPA4411RTJR，工作温度：-40 to 85，封装：QFN (RTJ)-20，包装数量MPQ：3000个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网TPA4411RTJR的批量USD价格：0.67（1000+）

TPA4411RTJT，工作温度：-40 to 85，封装：QFN (RTJ)-20，包装数量MPQ：250个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网TPA4411RTJT的批量USD价格：0.804（1000+）

TPA4411YZHR，工作温度：-40 to 85，封装：DSBGA (YZH)-16，包装数量MPQ：3000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：SNAGCU，TI官网TPA4411YZHR的批量USD价格：0.77（1000+）

TPA4411YZHT，工作温度：-40 to 85，封装：DSBGA (YZH)-16，包装数量MPQ：250个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：SNAGCU，TI官网TPA4411YZHT的批量USD价格：0.904（1000+）

TPA4411EVM — TPA4411 评估模块 (EVM)

The TPA4411 is a stereo headphone driver evaluation module. The TPA4411 device is designed to allow the removal of the output DC-blocking capacitors for reduced component count and cost. The evaluation module consists of a TI TPA4411 80-mW audio power amplifier in a small QFN package. It is ideal (...)

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