LM4952 - 具有 DC 音量控制的 3.1W 立体声 SE 音频功率放大器

LM4952是TI德州仪器公司的一款无产品，LM4952是具有 DC 音量控制的 3.1W 立体声 SE 音频功率放大器，本站介绍了LM4952的封装应用图解、特点和优点、功能等，并给出了与LM4952相关的TI元器件型号供参考。

LM4952 - 具有 DC 音量控制的 3.1W 立体声 SE 音频功率放大器 - 无 - 中/高功率D类放大器 - 德州仪器

产品描述

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 4? 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.

产品特性

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, RL = 4?
DC-controlled Volume Control
Short Circuit Protection

Key Specifications

Quiscent Power Supply Current 18mA (typ)
POUT @ VDD = 12V, RL = 4Ω, 10% THD+N 3.8W (typ)
Shutdown current 55μA (typ)

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