LM4950 - 7.5W 单声道 BTL 或 3.1W 立体声音频功率放大器

LM4950是TI德州仪器公司的一款无产品，LM4950是7.5W 单声道 BTL 或 3.1W 立体声音频功率放大器，本站介绍了LM4950的封装应用图解、特点和优点、功能等，并给出了与LM4950相关的TI元器件型号供参考。

LM4950 - 7.5W 单声道 BTL 或 3.1W 立体声音频功率放大器 - 无 - 中/高功率D类放大器 - 德州仪器

产品描述

The LM4950 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 or 7.5 watts mono BTL to an 8? load, with less than 10% 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 components. The LM4950 does not require bootstrap capacitors or snubber circuits. Therefore, it is ideally suited for display applications requiring high power and minimal size.

The LM4950 features a low-power consumption active-low shutdown mode. Additionally, the LM4950 features an internal thermal shutdown protection mechanism along with short circuit protection.

The LM4950 contains advanced pop & click circuitry that eliminates noises which would otherwise occur during turn-on and turn-off transitions.

The LM4950 is a unity-gain stable and can be configured by external gain-setting resistors.

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 3.1W Output, RL = 4?
Mono 7.5W BTL Output, RL = 8?
Short Circuit Protection
Unity-Gain Stable
External Gain Configuration Capability

Key Specifications

Quiescent Power Supply Current 16mA (typ)
POUT (SE)
- VDD = 12V, RL = 4?, 1% THD+N: 3.1W (typ)
POUT (BTL)
- VDD = 12V, RL = 8?, 10% THD+N: 7.5W (typ)
Shutdown Current 40μA (typ)

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