LM4809 Datasheet - National Semiconductor

LM4809 Dual 105mW Headphone Amplifier

The LM4809 is a dual audio power amplifier capable of delivering 105mW per channel of continuous average power into a 16Ω load with 0.1% (THD+N) from a 5V power supply. Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external com.

LM4809 Features

* an externally controlled, active-low, micropower consumption shutdown mode, as well as an internal thermal shutdown protection mechanism. Key Specifications n THD+N at 1kHz at 105mW continuous average power into 16Ω 0.1% (typ) n THD+N at 1kHz at 70mW continuous average power into 32Ω 0.1% (typ) n S

LM4809_NationalSemiconductor.pdf