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TPA2010,2.5W音频功放

【TPA2010】2.5W音频功放

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TPA2010 详细介绍

TPA2010说明

 The TPA2010D1 (sometimes referred to as TPA2010) is a 2.5-W high efficiency filter-free class-D audio power amplifier (class-D amp) in a 1,45 mm × 1,45 mm wafer chip scale package (WCSP) that requires only three external components.

Features like 88% efficiency, -75-dB PSRR, improved RF-rectification immunity, and 8 mm2 total PCB area make the TPA2010D1 (TPA2010) class-D amp ideal for cellular handsets. A fast start-up time of 1 ms with minimal pop makes the TPA2010D1 (TPA2010) ideal for PDA applications.

In cellular handsets, the earpiece, speaker phone, and melody ringer can each be driven by the TPA2010D1. The TPA2010D1 allows independent gain while summing signals from seperate sources, and has a low 36 µV noise floor, A-weighted.

 

TPA2010特性

 

 

 

  • Maximum Battery Life and Minimum Heat
    • Efficiency With an 8- Speaker:
      • 88% at 400 mW
      • 80% at 100 mW
    • 2.8-mA Quiescent Current
    • 0.5-µA Shutdown Current
  • Only Three External Components
    • Optimized PWM Output Stage Eliminates LC Output Filter
    • Internally Generated 250-kHz Switching Frequency Eliminates Capacitor and Resistor
    • Improved PSRR (-75 dB) and Wide Supply Voltage (2.5 V to 5.5 V) Eliminates Need for a Voltage Regulator
    • Fully Differential Design Reduces RF Rectification and Eliminates Bypass Capacitor
    • Improved CMRR Eliminates Two Input Coupling Capacitors
  • Wafer Chip Scale Packaging (WCSP)
    • NanoFree™ Lead-Free (YZF)
    • NanoStar™ SnPb (YEF)
  • TPA2010 APPLICATIONS
    • Wireless or Cellular Handsets and PDAs
    • Personal Navigation Devices
    • General Portable Audio Devices
    • Linear Vibrator Drivers