LM4802B Datasheet (Texas Instruments)

LM4802B, Audio Power Amplifier

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

When powered by a 3V supply, it is capable of forcing 12Vp-p across a 2μF + 30Ω bridge-tied-load (BTL) with less than 1% THD+N.

Boomer audio power amplifiers were designed speci

LM4802B Features

* 1

* 23 Pop & Click Circuitry Eliminates Noise During Turn-On and Turn-Off Transitions

* Low, 2μA (Max) Shutdown Current

* Low, 12mA (Typ) Quiescent Current

* 12Vp-p Mono BTL Output, Load = 2μF + 30Ω, VDD = 3V

* Short Circuit Protection

* Unity-Gain Stab