2.5 Watt Fully Differential Audio Power Amplifier With Shutdown - National Semiconductor

The LM4927 is a fully differential Audio Power Amplifier primarily designed for demanding applications in mobile phones and other portable Communication device applica- tions. It is capable of delivering 2.5 watts of continuous average power to a 4 load with less than 10% distortion (THD+N) from a 5VDC power supply. Boomer Audio Power Amplifiers were designed specifically to provide high quality output power with a minimal amount of external components. The LM4927 does not require output coupling capacitors or bootstrap capacitors, and therefore is ideally suited for mobile phone and other low voltage appli- cations where minimal power consumption is a primary re- quirement. The LM4927 features a low-power consumption shutdown mode. To facilitate this, Shutdown may be enabled by Logic low. Additionally, the LM4927 features an internal thermal shutdown protection mechanism. The LM4927 contains advanced pop & click circuitry which eliminates noises which would otherwise occur during turn-on and turn-off transitions. By National Semiconductor Corporation
Part Manufacturer Description Datasheet Samples
LM49270SQ/NOPB Texas Instruments Filterless 2.2W Class-D Audio Subsystem w/ OCL Headphone Amp, 3D Enhancement, & Headphone Sense 28-WQFN -40 to 85
LM4927SD/NOPB Texas Instruments 2.5 Watt Fully Differential Audio Power Amplifier With Shutdown 8-WSON
LM4927 's PackagesLM4927 's pdf datasheet

LM4927 Pinout, Pinouts
LM4927 pinout,Pin out
This is one package pinout of LM4927,If you need more pinouts please download LM4927's pdf datasheet.

LM4927 Application circuits
LM4927 circuits
This is one application circuit of LM4927,If you need more circuits,please download LM4927's pdf datasheet.

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