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

TPA2014D1

ACTIVO

Amplificador de audio mono de Clase D, entrada analógica y 1.5 W con refuerzo integrado y ganancia s

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TPA2014D1

ACTIVO
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Detalles del producto

Audio input type Analog Input Architecture Class-D Boosted Speaker channels (max) Mono Control interface GPIO Output power (W) 1.5 Power stage supply (max) (V) 5.5 Power stage supply (min) (V) 2.5 THD + N at 1 kHz (%) 1 Load (min) (Ω) 8 Analog supply voltage (min) (V) 2.5 Analog supply voltage (max) (V) 5.5 Rating Catalog Operating temperature range (°C) -40 to 85
Audio input type Analog Input Architecture Class-D Boosted Speaker channels (max) Mono Control interface GPIO Output power (W) 1.5 Power stage supply (max) (V) 5.5 Power stage supply (min) (V) 2.5 THD + N at 1 kHz (%) 1 Load (min) (Ω) 8 Analog supply voltage (min) (V) 2.5 Analog supply voltage (max) (V) 5.5 Rating Catalog Operating temperature range (°C) -40 to 85
DSBGA (YZH) 16 5.0625 mm² (— mm × — mm) VQFN (RGP) 20 16 mm² (4 mm × 4 mm)
  • High Efficiency Integrated Boost Converter (Over 90% Efficiency)
  • 1.5-W into an 8-Ω Load from a 3.6-V Supply
  • Operates from 2.5 V to 5.5 V
  • Efficient Class-D Prolongs Battery Life
  • Independent Shutdown for Boost Converter and Class-D Amplifier
  • Differential Inputs Reduce RF Common Noise
  • Built-in INPUT Low Pass Filter Decreases RF and Out of Band Noise Sensitivity
  • Synchronized Boost and Class-D Eliminates Beat Frequencies
  • Thermal and Short-Circuit Protection
  • Available in 16-ball WCSP and 20-Lead QFN Packages
  • 3 Selectable Gain Settings of 2 V/V, 6 V/V, and
    10 V/V
  • APPLICATIONS
    • Cell Phones
    • PDA
    • GPS
    • Portable Electronics
  • High Efficiency Integrated Boost Converter (Over 90% Efficiency)
  • 1.5-W into an 8-Ω Load from a 3.6-V Supply
  • Operates from 2.5 V to 5.5 V
  • Efficient Class-D Prolongs Battery Life
  • Independent Shutdown for Boost Converter and Class-D Amplifier
  • Differential Inputs Reduce RF Common Noise
  • Built-in INPUT Low Pass Filter Decreases RF and Out of Band Noise Sensitivity
  • Synchronized Boost and Class-D Eliminates Beat Frequencies
  • Thermal and Short-Circuit Protection
  • Available in 16-ball WCSP and 20-Lead QFN Packages
  • 3 Selectable Gain Settings of 2 V/V, 6 V/V, and
    10 V/V
  • APPLICATIONS
    • Cell Phones
    • PDA
    • GPS
    • Portable Electronics

The TPA2014D1 is a high efficiency Class-D audio power amplifier with an integrated boost converter. It drives up to 1.5 W (10% THD+N) into a 8 Ω speaker from a 3.6 V supply. With 85% typical efficiency, the TPA2014D1 helps extend battery life when playing audio.

The built-in boost converter generates a higher voltage rail for the Class-D amplifier. This provides a louder audio output than a stand-alone amplifier connected directly to the battery. It also maintains a consistent loudness, regardless of battery voltage. Additionally, the boost converter can be used to supply external devices.

The TPA2014D1 has an integrated low pass filter to improve RF rejection and reduce out-of-band noise, increasing the signal to noise ratio (SNR). A built-in PLL synchronizes the boost converter and Class-D switching frequencies, thus eliminating beat frequencies and improving audio quality. All outputs are fully protected against shorts to ground, power supply, and output-to-output shorts.

The TPA2014D1 is a high efficiency Class-D audio power amplifier with an integrated boost converter. It drives up to 1.5 W (10% THD+N) into a 8 Ω speaker from a 3.6 V supply. With 85% typical efficiency, the TPA2014D1 helps extend battery life when playing audio.

The built-in boost converter generates a higher voltage rail for the Class-D amplifier. This provides a louder audio output than a stand-alone amplifier connected directly to the battery. It also maintains a consistent loudness, regardless of battery voltage. Additionally, the boost converter can be used to supply external devices.

The TPA2014D1 has an integrated low pass filter to improve RF rejection and reduce out-of-band noise, increasing the signal to noise ratio (SNR). A built-in PLL synchronizes the boost converter and Class-D switching frequencies, thus eliminating beat frequencies and improving audio quality. All outputs are fully protected against shorts to ground, power supply, and output-to-output shorts.

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TPA2010D1 ACTIVO Amplificador de audio de Clase D, entrada analógica y 2.5 W, con ganancia variable y protección cont This product is a Class-D amplifier with higher output power (2.5W) and no boost converter
TPA2013D1 ACTIVO Amplificador de audio mono de Clase D, entrada analógica y 2.7 W con convertidor de refuerzo integra This product is a Class-D amplifier with higher output power (2.7W) , also with boost converter

Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos 1.5-W Boosted Class-D Audio Power Amplifier datasheet (Rev. A) 30/05/2008
Nota sobre la aplicación Filter-Free Class-D Audio Amplifiers 9/11/2009

Diseño y desarrollo

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Placa de evaluación

TPA2014D1EVM — Módulo de evaluación (EVM) TPA2014D1

The TPA2014D1 is a 1.5 W, Class-D amplifier with built-in boost converter. It drives up to 1.5 W (10% THD + N) into a 8-W speaker from low supply voltages. The TPA2014D1 audio power amplifier evaluation module(EVM) is a complete, stand-alone audio board. It contains the TPA2014D1 QFN (RGP) Class-D (...)

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