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.