LM4952 Series

3.1-W, stereo, 9.6- to 16-V, analog input Class-AB audio amplifier

Catalog

3.1-W, stereo, 9.6- to 16-V, analog input Class-AB audio amplifier

Part	Mounting Type	Voltage - Supply [Min]	Voltage - Supply [Max]	Features	Max Output Power x Channels @ Load	Output Type	Type	Operating Temperature [Max]	Operating Temperature [Min]	Package / Case	Supplier Device Package
Texas Instruments LM4952TSX/NOPB	Surface Mount	9.6 V	16 V	Depop Short-Circuit and Thermal Protection Shutdown Volume Control	2 channels 3.8 W 4 Ohm	2-Channel (Stereo)	Class AB	85 °C	-40 °C	TO-263-10 (9 Leads + Tab)	DDPAK/TO-263-9

Catalog

3.1-W, stereo, 9.6- to 16-V, analog input Class-AB audio amplifier

Key Features

• Pop & Click Circuitry Eliminates Noise During Turn-on and Turn-off TransitionsLow Current, Active-low Shutdown ModeLow Quiescent CurrentStereo 3.8W Output, RL= 4ΩDC-controlled Volume ControlShort Circuit ProtectionKey SpecificationsQuiscent Power Supply Current 18mA (typ)POUT@VDD= 12V, RL = 4Ω, 10% THD+N 3.8W (typ)Shutdown current 55μA (typ)All trademarks are the property of their respective owners.Pop & Click Circuitry Eliminates Noise During Turn-on and Turn-off TransitionsLow Current, Active-low Shutdown ModeLow Quiescent CurrentStereo 3.8W Output, RL= 4ΩDC-controlled Volume ControlShort Circuit ProtectionKey SpecificationsQuiscent Power Supply Current 18mA (typ)POUT@VDD= 12V, RL = 4Ω, 10% THD+N 3.8W (typ)Shutdown current 55μA (typ)All trademarks are the property of their respective owners.

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 12VDCpower 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. 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 12VDCpower 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.