LM4811 - 具有数字音量控制和停机模式的 LM4811 双路 105mW 耳机放大器

LM4811是TI德州仪器公司的一款耳机放大器产品，LM4811是具有数字音量控制和停机模式的 LM4811 双路 105mW 耳机放大器，本站介绍了LM4811的封装应用图解、特点和优点、功能等，并给出了与LM4811相关的TI元器件型号供参考。

LM4811 - 具有数字音量控制和停机模式的 LM4811 双路 105mW 耳机放大器 - 耳机放大器 - 低功耗放大器 - 德州仪器

产品描述

The LM4811 is a dual audio power amplifier capable of delivering 105mW per channel of continuous average power into a 16? load with 0.1% (THD+N) from a 5V power supply.

Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components. Since the LM4811 does not require bootstrap capacitors or snubber networks, it is optimally suited for low-power portable systems.

The LM4811 features a digital volume control that sets the amplifier's gain from +12dB to −33dB in 16 discrete steps using a two−wire interface.

The unity-gain stable LM4811 also features an externally controlled, active-high, micropower consumption shutdown mode. It also has an internal thermal shutdown protection mechanism.

产品特性

Digital Volume Control Range from +12dB to −33dB
WSON and VSSOP Surface Mount Packaging
"Click and Pop" Suppression Circuitry
No Bootstrap Capacitors Required
Low Shutdown Current

Key Specifications

THD+N at 1kHz, 105mW Continuous Average Output Power into 16? 0.1 % (typ)
THD+N at 1kHz, 70mW Continuous Average Power into 32? 0.1 % (typ)
Shutdown Current 0.3 μA (typ)

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