LM4876 - 具有逻辑低停机的 1.1W 音频功率放大器

LM4876是TI德州仪器公司的一款扬声器放大器（AB类/D类）产品，LM4876是具有逻辑低停机的 1.1W 音频功率放大器，本站介绍了LM4876的封装应用图解、特点和优点、功能等，并给出了与LM4876相关的TI元器件型号供参考。

LM4876 - 具有逻辑低停机的 1.1W 音频功率放大器 - 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 LM4876 is a single 5V supply bridge-connected audio power amplifier capable of delivering 1.1W (typ) of continuous average power to an 8? load with 0.5% THD+N.

Like other audio amplifiers in the Boomer series, the LM4876 is designed specifically to provide high quality output power with a minimal amount of external components. The LM4876 does not require output coupling capacitors, bootstrap capacitors, or snubber networks. It is perfectly suited for low-power portable systems.

The LM4876 features an active low externally controlled, micro-power shutdown mode. Additionally, the LM4876 features an internal thermal shutdown protection mechanism. For PCB space efficiency, the LM4876 is available in VSSOP and SOIC surface mount packages.

The unity-gain stable LM4876's closed loop gain is set using external resistors.

产品特性

Does Not Require Output Coupling Capacitors, Bootstrap Capacitors, Or Snubber Circuits
10-pin VSSOP and 8-pin SOIC Packages
Unity-Gain Stable
External Gain Set

Key Specifications

THD+N at 1kHz for 1W Continuous Average Output Power into 8? 0.5% (max)
Output Power At 1kHz Into 8? with 10% THD+N 1.5 W (typ)
Shutdown Current 0.01µA (typ)
Supply Voltage Range 2.0V to 5.5 V

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