LM4819 - 具有关断模式的 350mW 音频放大器

LM4819是TI德州仪器公司的一款扬声器放大器（AB类/D类）产品，LM4819是具有关断模式的 350mW 音频放大器，本站介绍了LM4819的封装应用图解、特点和优点、功能等，并给出了与LM4819相关的TI元器件型号供参考。

LM4819 - 具有关断模式的 350mW 音频放大器 - 扬声器放大器（AB类/D类） - 低功耗放大器 - 德州仪器

产品描述

The LM4819 is a mono bridged power amplifier that is capable of delivering 350mWRMS output power into a 16? load or 300mWRMS output power into an 8? load with 10% THD+N from a 5V power supply.

The LM4819 Boomer audio power amplifier is designed specifically to provide high quality output power and minimize PCB area with surface mount packaging and a minimal amount of external components. Since the LM4819 does not require output coupling capacitors, bootstrap capacitors or snubber networks, it is optimally suited for low-power portable applications.

The closed loop response of the unity-gain stable LM4819 can be configured using external gain-setting resistors. The device is available in WSON, VSSOP, and SOIC package types to suit various applications.

产品特性

WSON, SOIC, and VSSOP Surface Mount Packaging
Switch On/Off Click Suppression
Unity-Gain Stable
Minimum External Components

Key Specifications

THD+N at 1kHz, 350mW Continuous Average Output Power into 16Ω: 10% (max)
THD+N at 1kHz, 300mW Continuous Average Output Power into 8Ω: 10% (max)
Shutdown Current: 0.7μA (typ)

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