LM4931 Datasheet | National Semiconductor

LM4931 Audio Subsystem with Mono High Efficiency Loudspeaker and Stereo Headphone Amplifiers June 2004 LM4931 Audio Subsystem with Mono High Efficiency Loudspeaker and Stereo Headphone Amplifiers General Description The LM4931 is an integrated audio subsystem that supports voice and digital audio functions. The LM4931 includes a high quality stereo DAC, voice band codec, a stereo headphone amplifier and a high-power high efficiency mono speaker amplifier. It is primarily designed for demanding applications in mobile phones and other portable devices. The LM4931 Features an I2S serial interface for full range audio, a 16-bit PCM bi-directional serial interface for the voice band codec and...