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1FEATURES

23? Pop & Click Circuitry Eliminates Noise During

Turn-on and Turn-off Transitions

? Low Current, Active-low Shutdown Mode

? Low Quiescent Current

? Stereo 3.8W Output, R L = 4Ω

? DC-controlled Volume Control

? Short Circuit Protection

APPLICATIONS

? Flat Panel Monitors

? Flat Panel TV's

? Computer Sound Cards

KEY SPECIFICATIONS

? Quiscent Power Supply Current 18mA (typ)

? P OUT @

VDD = 12V, RL = 4Ω, 10% THD+N 3.8W (typ)

? Shutdown current 55μA (typ)

DESCRIPTION

The LM4952 is a dual audio power amplifier primarily

designed for demanding applications in flat panel

monitors and TV's. It is capable of delivering 3.1

watts per channel to a 4Ω single-ended load with less

than 1% THD+N when powered by a 12VDC power

supply.

Eliminating external feedback resistors, an internal,

DC-controlled, volume control allows easy and

variable gain adjustment.

Boomer audio power amplifiers were designed

specifically to provide high quality output power with a

minimal amount of external components. The

LM4952 does not require bootstrap capacitors or

snubber circuits. Therefore, it is ideally suited for

display applications requiring high power and minimal

size.

The LM4952 features a low-power consumption

active-low shutdown mode. Additionally, the LM4952

features an internal thermal shutdown protection

mechanism along with short circuit protection.

The LM4952 contains advanced pop & click circuitry

that eliminates noises which would otherwise occur

during turn-on and turn-off transitions.