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LM4668 Datasheet 10w High-efficiency Mono Btl Audio Power Amplifier

Manufacturer: National Semiconductor (now Texas Instruments)

Overview: LM4668 10W High-Efficiency Mono BTL Audio Power Amplifier October 2004 LM4668 10W High-Efficiency Mono BTL Audio Power.

General Description

The LM4668 is a high efficiency switching audio power amplifier primarily designed for demanding applications in flat panel monitors and TV’s.

It is capable of delivering 6W to an 8Ω mono BTL load with less than 1% distortion (THD+N) from a 12VDC power supply.

Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external ponents.

Key Features

  • a micro-power, active-low shutdown mode, an internal thermal shutdown protection mechanism, and short circuit protection. The LM4668 contains advanced transient (“pop and click”) suppression circuitry that eliminates noises that would otherwise occur during turn-on and turn-off transitions. Key Specifications j Power Output BTL (VDD = 14V, fIN = 1kHz, THD+N = 10%, RL = 8Ω) j Quiescent Power Supply Current j Efficiency (VDD = 12V, fIN = 1kHz, 10W (typ) 30mA (typ) 79% (typ) 0.15mA (typ) 30dB (t.

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