LM4802B - Audio Power Amplifier

National Semiconductor

Datasheet Details

Part number	LM4802B
Manufacturer	National Semiconductor
File Size	1.20 MB
Description	Audio Power Amplifier
Datasheet	LM4802B_NationalSemiconductor.pdf

The LM4802B integrates a Boost Converter with an Audio Power Amplifier to drive Ceramic Speakers in portable applications.

a low-power consumption shutdown mode. Additionally, the LM4802B features an internal thermal shutdown protection mechanism. The LM4802B contains advanced pop & click circuitry that eliminates noises which would otherwise occur during turn-on and turn-off transitions. The LM4802B is unity-gain stable. Its gain is set by external resistors. Key Specifications j Quiescent Power Supply Current j BTL Voltage Swing 12mA (typ) (2µF + 30Ω load, 1% THD+N, VDD = 3V) j Shutdown Current 12Vp-p (typ) 2µ.

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Published: Mar 22, 2005 |