10 Watt Stereo CLASS D Audio Power Amplifier With Stereo Headphone Amplifier And DC Volume Control

The LM4682 is a fully integrated single supply, high efficiency Audio Power Amplifier solution. The LM4682 utilizes a proprietary balanced pulse-width modulation technique that lowers output noise and THD and improves PSRR when compared to conventional pulse width Modulators
The LM4682 also features a stereo Headphone Amplifier that delivers 60mW into a 32 headset with less than 0.5% THD.
The LM4682 's DC Volume Control has a +30dB to -48dB range when speakers are driven and a range of +13dB to -65dB when Headphones are connected. All Amplifiers are protected by thermal shutdown. Additionally, all Amplifiers incorporate output current limiting function to protect their outputs from short circuit.
The LM4682 features a low-power consumption shutdown mode. And its efficiency reaches 85% for a 10W output power with an 8 load. External heatsink is not required when playing music. The IC features click and pop reduction circuitry that minimizes audible popping during device turn-on and turn-off. The LM4682 is available in a 48-lead LLP package, ideal for portable and desktop computer applications.
By National Semiconductor Corporation
LM4682 's PackagesLM4682 's pdf datasheet
LM4682SQBD
LM4682SQ LLP
LM4682SQX LLP




LM4682 Pinout, Pinouts
LM4682 pinout,Pin out
This is one package pinout of LM4682,If you need more pinouts please download LM4682's pdf datasheet.

LM4682 Application circuits
LM4682 circuits
This is one application circuit of LM4682,If you need more circuits,please download LM4682's pdf datasheet.


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