* an I2S serial interface for full range audio, a 16-bit PCM bi-directional serial interface for the voice band codec and an I2C/SPI compatible interface for control. The full range music path features an SNR of 86dB with an 18-bit 48kHz input. The headphone amplifier delivers at least 26mWRMS to a 32
LM4931
National Semiconductor
1.60 MB
Audio subsystem.
LM4931 Audio Subsystem with Mono High Efficiency Loudspeaker and Stereo Headphone Amplifiers
June 2004
LM4931 Audio Subsystem with Mono High Efficie.
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