Multimedia Computer Audio Chip - National Semiconductor

The LM4831 is a monolithic integrated circuit that provides a stereo three input mixer, two stereo input Analog multiplexer, a stereo line out and a dual 1W bridged Audio power ampli- fier. In addition, a low noise Microphone preamp is included on-chip. The LM4831 is ideal for Multimedia computers since it incor- porates an input mixer, Analog multiplexer, and configurable stereo Audio Power Amplifier as well as a Microphone preamp stage. This combination allows for all of the Analog Audio processing to be enclosed in a 44-pin TQFP package. The LM4831 features an externally controlled, low-power consumption shutdown mode, as well as both Headphone and docking station modes. To temporarily override the shut- down mode and allow Audio signals to be amplified, the LM4831 provides four beep pins. By National Semiconductor Corporation
Part Manufacturer Description Datasheet Samples
LM48312TLE/NOPB Texas Instruments 2.6W, Ultra-Low EMI, Filterless, Mono Class D Audio Power Amplifier with E2S 9-DSBGA -40 to 85
LM48311TL/NOPB Texas Instruments Ultra-Low EMI, Filterless, 2.6W, Mono, Class D Audio Power Amplifier with E2S 9-DSBGA -40 to 85
LM48312TLX/NOPB Texas Instruments 2.6W, Ultra-Low EMI, Filterless, Mono Class D Audio Power Amplifier with E2S 9-DSBGA -40 to 85
LM48310SDX/NOPB Texas Instruments AUDIO AMPLIFIER
LM48310SD/NOPB Texas Instruments Ultra-Low EMI, Filterless, 2.6W, Mono, Class D Audio Power Amplifier with E2S 10-WSON -40 to 85
LM48311TLX/NOPB Texas Instruments Ultra-Low EMI, Filterless, 2.6W, Mono, Class D Audio Power Amplifier with E2S 9-DSBGA -40 to 85
LM4831 's PackagesLM4831 's pdf datasheet



LM4831 Pinout, Pinouts
LM4831 pinout,Pin out
This is one package pinout of LM4831,If you need more pinouts please download LM4831's pdf datasheet.

LM4831 Application circuits
LM4831 circuits
This is one application circuit of LM4831,If you need more circuits,please download LM4831's pdf datasheet.


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