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Audio, háptica y piezoeléctrica
Amplificadores de audio
Amplificadores de audio especializados

LM4916

ACTIVO

Amplificador de auriculares mono de 85 mW y estéreo de 14 mW de entrada analógica

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LM4916

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
WSON (NGY) 10 9 mm² (3 mm × 3 mm) VSSOP (DGS) 10 14.7 mm² (3 mm × 4.9 mm)
  • Single-Cell 0.9V to 2.5V Battery Operation
  • BTL Mode for Mono Speaker
  • Single-Ended Headphone Operation with Coupling Capacitors
  • Unity-Gain Stable
  • "Click and Pop" Suppression Circuitry
  • Active-Low Micropower Shutdown
  • Low Current, Active-Low Mute Mode
  • Thermal Shutdown Protection Circuitry

Key Specifications

  • Mono-BTL Output Power
  •  (RL=8Ω, VDD=1.5V, THD+N=1%), 85mW (typ)
  • Stereo Headphone Output Power
  •  (RL=16Ω, VDD=1.5V, THD+N=1%), 14mW (typ)
  • Micropower Shutdown Current, 0.02µA (typ)
  • Supply Voltage Operating Range, 0.9V<VDD<2.5V
  • PSRR 1kHz, VDD=1.5V, 66dB (typ)

All trademarks are the property of their respective owners.

  • Single-Cell 0.9V to 2.5V Battery Operation
  • BTL Mode for Mono Speaker
  • Single-Ended Headphone Operation with Coupling Capacitors
  • Unity-Gain Stable
  • "Click and Pop" Suppression Circuitry
  • Active-Low Micropower Shutdown
  • Low Current, Active-Low Mute Mode
  • Thermal Shutdown Protection Circuitry

Key Specifications

  • Mono-BTL Output Power
  •  (RL=8Ω, VDD=1.5V, THD+N=1%), 85mW (typ)
  • Stereo Headphone Output Power
  •  (RL=16Ω, VDD=1.5V, THD+N=1%), 14mW (typ)
  • Micropower Shutdown Current, 0.02µA (typ)
  • Supply Voltage Operating Range, 0.9V<VDD<2.5V
  • PSRR 1kHz, VDD=1.5V, 66dB (typ)

All trademarks are the property of their respective owners.

The unity gain stable LM4916 is both a mono differential output (for bridge-tied loads or BTL) audio power amplifier and a Single Ended (SE) stereo headphone amplifier. Operating on a single 1.5V supply, the mono BTL mode delivers 85mW into an 8Ω load at 1% THD+N. In Single Ended stereo headphone mode, the amplifier delivers 14mW per channel into a 16Ω load at 1% THD+N.

With the LM4916 packaged in the MM and WSON packages, the customer benefits include low profile and small size. These packages minimize PCB area and maximizes output power.

The LM4916 features circuitry that reduces output transients ("clicks" and "pops") during device turn-on and turn-off, an externally controlled, low-power consumption, active-low shutdown mode, and thermal shutdown. Boomer audio power amplifiers are designed specifically to use few external components and provide high quality output power in a surface mount package.

The unity gain stable LM4916 is both a mono differential output (for bridge-tied loads or BTL) audio power amplifier and a Single Ended (SE) stereo headphone amplifier. Operating on a single 1.5V supply, the mono BTL mode delivers 85mW into an 8Ω load at 1% THD+N. In Single Ended stereo headphone mode, the amplifier delivers 14mW per channel into a 16Ω load at 1% THD+N.

With the LM4916 packaged in the MM and WSON packages, the customer benefits include low profile and small size. These packages minimize PCB area and maximizes output power.

The LM4916 features circuitry that reduces output transients ("clicks" and "pops") during device turn-on and turn-off, an externally controlled, low-power consumption, active-low shutdown mode, and thermal shutdown. Boomer audio power amplifiers are designed specifically to use few external components and provide high quality output power in a surface mount package.
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* Hoja de datos LM4916   1.5V, Mono 85mW BTL Output, 14mW Stereo Headphone Audio Amplifier datasheet (Rev. E) 1/05/2013

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