LM4860 - 具有停机模式的 1 瓦音频功率放大器

LM4860是TI德州仪器公司的一款扬声器放大器（AB类/D类）产品，LM4860是具有停机模式的 1 瓦音频功率放大器，本站介绍了LM4860的封装应用图解、特点和优点、功能等，并给出了与LM4860相关的TI元器件型号供参考。

LM4860 - 具有停机模式的 1 瓦音频功率放大器 - 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 LM4860 is a bridge-connected audio power amplifier capable of delivering 1W of continuous average power to an 8Ω load with less than 1% THD+N over the audio spectrum from a 5V power supply.

Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components using surface mount packaging. Since the LM4860 does not require output coupling capacitors, bootstrap capacitors or snubber networks, it is optimally suited for low-power portable systems.

The LM4860 features an externally controlled, low-power consumption shutdown mode, as well as an internal thermal shutdown protection mechanism. It also includes two headphone control inputs and a headphone sense output for external monitoring.

The unity-gain stable LM4860 can be configured by external gain setting resistors for differential gains of up to 10 without the use of external compensation components. Higher gains may be achieved with suitable compensation.

产品特性

No Output Coupling Capacitors, Bootstrap Capacitors, or Snubber Circuits are Necessary
Small Outline (SO) Packaging
Compatible with PC Power Supplies
Thermal Shutdown Protection Circuitry
Unity-Gain Stable
External Gain Configuration Capability
Two Headphone Control Inputs and Headphone Sensing Output

Key Specifications

THD+N at 1W Continuous Average
Output Power into 8Ω: 1% (Max)
Instantaneous Peak Output Power: > 2 W
Shutdown Current: 0.6 μA (typ)

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