The LM4856 is an audio power amplifier system capable of delivering 1.1W (typ) of continuous average power into a mono 8? bridged-tied load (BTL) with 1% THD+N and 60mW (typ) per channel of continuous average power into stereo 32? single-ended (SE) loads with 0.5% THD+N, using a 5V power supply. This device is applicable in mobile phone and PDAs.
The following datasheet outlines detail general description, specification, features, application, connection diagram, absolute maximum ratings, operating ratings, electrical characteristics, external components description, typical performance characteristics, application information, demonstration ITL/ LQ board layout and detail data on its physical dimensional. The following circuit diagram shows typical application of LM4856 Audio Amplifier.
The LM4856 is designed for cellular phone, PDA, and other portable handheld applications. It delivers high quality output power from a surface-mount package and requires only eight external components. Find more information about LM4856 Integrated Audio Amplifier Circuit Diagram Datasheet and Application here – free download PDF file.(source: national.com)