LM4859 Description
The LM4859 is an integrated audio sub-system designed for stereo cell phone applications. Operating on a 3.3V supply, it bines a stereo speaker amplifier delivering 495mW per channel into an 8Ω load and a stereo headphone amplifier delivering 33mW per channel into a 32Ω load. It integrates the audio amplifiers, volume control, mixer, power management control, and National 3D enhancement all into a single package.