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Audio, háptica y piezoeléctrica
Amplificadores de audio
Amplificadores de audio de uso general

TPA6045A4C

ACTIVO

Amplificador estéreo de altavoz y auriculares de Clase AB y 2 W, LDO de 3.3 V y activación de alto a

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TPA6045A4C

ACTIVO
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Detalles del producto

Rating Catalog Operating temperature range (°C) -40 to 85
Rating Catalog Operating temperature range (°C) -40 to 85
VQFN (RHB) 32 25 mm² (5 mm × 5 mm)
  • MicrosoftWindows Vista Compliant
  • Fully Differential Architecture and High PSRR Provide Excellent RF Rectification Immunity
  • 2.1-W, 1% THD+N Into 4-Ω Speakers and 85-mW, 1% THD+N Into 16-Ω Headphones From 5-V Supply
  • DirectPath Headphone Amplifier Eliminates Output Capacitors(1)
  • Internal 4-Step Speaker Gain Control: 10, 12, 15.6, 21.6 dB and Fixed -1.5-V/V Headphone
  • 3.3-V Low Dropout Regulator for CODEC
  • Independent Shutdown Controls for Speaker, Headphone Amplifier, and Low Dropout Regulator (LDO)
  • Output Short-Circuit and Thermal Protection
  • APPLICATIONS
    • Notebook Computers
    • Portable DVD

(1)US Patent Number 5289137
  • MicrosoftWindows Vista Compliant
  • Fully Differential Architecture and High PSRR Provide Excellent RF Rectification Immunity
  • 2.1-W, 1% THD+N Into 4-Ω Speakers and 85-mW, 1% THD+N Into 16-Ω Headphones From 5-V Supply
  • DirectPath Headphone Amplifier Eliminates Output Capacitors(1)
  • Internal 4-Step Speaker Gain Control: 10, 12, 15.6, 21.6 dB and Fixed -1.5-V/V Headphone
  • 3.3-V Low Dropout Regulator for CODEC
  • Independent Shutdown Controls for Speaker, Headphone Amplifier, and Low Dropout Regulator (LDO)
  • Output Short-Circuit and Thermal Protection
  • APPLICATIONS
    • Notebook Computers
    • Portable DVD

(1)US Patent Number 5289137

The TPA6045A4C is a stereo audio power amplifier and DirectPath headphone amplifier in a thermally enhanced, space-saving, 32-pin QFN package. The speaker amplifier is capable of driving 2.1 W per channel continuously into 4-Ω; loads at 5 V. The headphone amplifier achieves a minimum of 85 mW at 1% THD+N from a 5-V supply. A built-in internal 4-step gain control for the speaker amplifier and a fixed - 1.5 V/V gain for the headphone amplifier minimizes external components needed.

Independent shutdown control and dedicated inputs for the speaker and headphone allow the TPA6045A4C to simultaneously drive both headphones and internal speakers. Differential inputs to the speaker amplifiers offer superior power-supply and common-mode noise rejection.

The TPA6045A4C is a stereo audio power amplifier and DirectPath headphone amplifier in a thermally enhanced, space-saving, 32-pin QFN package. The speaker amplifier is capable of driving 2.1 W per channel continuously into 4-Ω; loads at 5 V. The headphone amplifier achieves a minimum of 85 mW at 1% THD+N from a 5-V supply. A built-in internal 4-step gain control for the speaker amplifier and a fixed - 1.5 V/V gain for the headphone amplifier minimizes external components needed.

Independent shutdown control and dedicated inputs for the speaker and headphone allow the TPA6045A4C to simultaneously drive both headphones and internal speakers. Differential inputs to the speaker amplifiers offer superior power-supply and common-mode noise rejection.

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TPA6017A2 ACTIVO Amplificador de audio estéreo de Clase AB, entrada analógica y 1.9 W This product is a similar audio amplifier but without headphone amplifier
TPA6132A2 ACTIVO Amplificador de auriculares estéreo de entrada analógica y 25 mW en WQFN This product is a lower power (25-mW) headphone amplifier without integrated speaker amplifier

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos 2-W Stereo Audio Power Amplifier w/DirectPath Stereo Headphone Drive & Regulator datasheet 6/11/2008

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