1 Watt Audio Power Amplifier - National Semiconductor

The LM4903 is an Audio Power Amplifier primarily designed for demanding applications in mobile phones and other por- table Communication device applications. It is capable of delivering 1 watt of continuous average power to an 8 BTL load with less than 1% 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 LM4903 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 LM4903 features a low-power consumption shutdown mode, which is achieved by driving the shutdown pin with Logic low. Additionally, the LM4903 features an internal ther- mal shutdown protection mechanism. The LM4903 contains advanced pop & click circuitry which eliminates noise which would otherwise occur during turn-on and turn-off transitions. The LM4903 is unity-gain stable and CAN be configured by external gain-setting resistors. By National Semiconductor Corporation
LM4903 's PackagesLM4903 's pdf datasheet
LM4903MM




LM4903 Pinout, Pinouts
LM4903 pinout,Pin out
This is one package pinout of LM4903,If you need more pinouts please download LM4903's pdf datasheet.

LM4903 Application circuits
LM4903 circuits
This is one application circuit of LM4903,If you need more circuits,please download LM4903's pdf datasheet.


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