LM4809 - 具有低电平停机模式的 LM4809 双路 105mW 耳机放大器

LM4809是TI德州仪器公司的一款耳机放大器产品，LM4809是具有低电平停机模式的 LM4809 双路 105mW 耳机放大器，本站介绍了LM4809的封装应用图解、特点和优点、功能等，并给出了与LM4809相关的TI元器件型号供参考。

LM4809 - 具有低电平停机模式的 LM4809 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 LM4809 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 LM4809 does not require bootstrap capacitors or snubber networks, it is optimally suited for low-power portable systems.

The unity-gain stable LM4809 can be configured by external gain-setting resistors.

The LM4809 features an externally controlled, active-low, micropower consumption shutdown mode, as well as an internal thermal shutdown protection mechanism.

产品特性

Active-Low Shutdown Mode
"Click and Pop" Reduction Circuitry
Low Shutdown Current
WSON, MSOP, and SOIC Surface Mount Packaging
No Bootstrap Capacitors Required
Unity-Gain Stable

Key Specifications

THD+N at 1kHz at 105mW Continuous Average Power into 16? 0.1% (typ)
THD+N at 1kHz at 70mW Continuous Average Power into 32? 0.1% (typ)
Shutdown Current 0.4µA (typ)

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