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The Intersil ISL54000, ISL54001, ISL54002 family of devicesare integrated audio power amplifier systems that combinestereo BTL 8Ω amplifiers in a single package. The devices aredesigned to operate from a single +2.7V to +5V power supply.All devices are offered in a 20 Ld 4x4 thin QFN package.Targeted applicaTIons include handheld equipment such ascell-phones, MP3 players, and games/toys.The ISL54000, ISL54001, ISL54002 parts contain two classAB bridge-TIed (BTL) type power amplifiers for driving stereo8Ω speakers. Each BTL is capable of delivering 800mW (typ)with 0.4% THD+N and 941mW (typ) with 1% THD+N ofconTInuous average power into an 8Ω BTL speaker loadwhen using a 5V supply.The ISL54001 and ISL54002 feature a 2:1 stereo inputmulTIplexer front-end. This allows selection between twostereo sources. In addition the ISL54002 has the capabilityof mixing the stereo inputs.
