Stereo 2w Amplifiers With Dc Volume Control Transient Free Outputs, And Cap-less Headphone Drive - National Semiconductor

The LM4842 is a monolithic integrated circuit that provides DC Volume Control and stereo bridged Audio power amplifi- ers capable of producing 2W into 4 (Note 1) or 2.2W into 3 (Note 2) with less than 1.0% THD+N. Boomer Audio integrated circuits were designed specifically to provide high quality Audio while requiring a minimum amount of external components. The LM4842 incorporates a DC Volume Control stereo bridged Audio Power Amplifiers new cap-less Headphone driver circuit (patent pending), se- lectable gain or bass boost, and an input mux making it optimally suited for Multimedia monitors, portable Radios desktop, and portable computer applications. The LM4842 features an externally controlled, low-power consumption shutdown mode (Shutdown Low), and both a power Amplifier and Headphone mute for maximum system flexibility and performance. Note 1: When properly mounted to the circuit board, the LM4842MH will deliver 2W into 4. The LM4842MT will deliver 1.1W into 8. See the Application Information section for LM4842MH usage information. Note 2: An LM4842MH that has been properly mounted to the circuit board and forced-air cooled will deliver 2.2W into 3. By National Semiconductor Corporation
LM4842 's PackagesLM4842 's pdf datasheet
LM4842MT
LM4842MH
LM4842LQ
LQA028AA




LM4842 Pinout, Pinouts
LM4842 pinout,Pin out
This is one package pinout of LM4842,If you need more pinouts please download LM4842's pdf datasheet.

LM4842 Application circuits
LM4842 circuits
This is one application circuit of LM4842,If you need more circuits,please download LM4842's pdf datasheet.


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