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LM4851

National Semiconductor
Part Number LM4851
Manufacturer National Semiconductor
Description Integrated Audio Amplifier
Published Mar 22, 2005
Detailed Description LM4851 Integrated Audio Amplifier System December 2002 LM4851 Integrated Audio Amplifier System General Description Th...
Datasheet PDF File LM4851 PDF File

LM4851
LM4851

Overview
LM4851 Integrated Audio Amplifier System December 2002 LM4851 Integrated Audio Amplifier System General Description The LM4851 is an audio power amplifier system capable of delivering 1.
1W (typ) of continuous average power into a mono 8Ω bridged-tied load (BTL) with 1% THD+N and 115mW (typ) per channel of continuous average power into stereo 32Ω BTL loads with 0.
5% THD+N, using a 5V power supply.
The LM4851 features a 32 step digital volume control and eight distinct output modes.
The digital volume control and output modes are programmed through a three-wire SPI serial control interface, that allows flexibility in routing and mixing audio channels.
The LM4851 has 3 inputs: one pair for a two-channel stereo signal and the third for a singlechannel mono input.
The LM4851 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 five external components.
The industry leading micro ...


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