描述 Description

The LM4880 is a dual audio power amplifier capable of delivering typically 250mW per channel of continuous average power to an 8Ω load with 0.1% THD+N using 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 LM4880 does not require bootstrap capacitors or snubber networks, it is optimally suited for low-power portable systems. The LM4880 features an externally controlled, low-power consumption shutdown mode, as well as an internal thermal shutdown protection mechanism. The unity-gain stable LM4880 can be configured by external gain-setting resistors.

特性 Features

? No Bootstrap Capacitors or Snubber Circuits are Necessary
? Small Outline (SOIC) and PDIP Packaging
? Unity-Gain Stable
? External Gain Configuration Capability
Key Specifications
? THD+N at 1kHz at 200mW Continuous Average Output Power into 8Ω: 0.1% (max)
? THD+N at 1kHz at 85mW Continuous Average Output Power into 32Ω: 0.1% (typ)
? Output Power at 10% THD+N at 1kHz into 8Ω 325 mW (typ)
? Shutdown Current 0.7 μA (typ)
? 2.7V to 5.5V Supply Voltage Range