LM4809中文资料具有低电平有效关断模式的 105mW 立体声模拟输入耳机放大器数据手册TI规格书

描述 Description

The LM4809 is a dual audio power amplifier capable of delivering 105mW per channel of continuous average power into a 16Ω 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.

特性 Features

• Active-Low Shutdown Mode
• Low Shutdown Current
• No Bootstrap Capacitors Required
• THD+N at 1kHz at 105mW Continuous Average Power into 16Ω 0.1% (typ)
• Shutdown Current 0.4µA (typ)

简介

LM4809属于开发板套件编程器的评估板-音频放大器。由TI制造生产的LM4809评估板 - 音频放大器音频放大器评估板是带有元器件的电路，用于提供特定集成电路或器件的工作实例。该产品族中的电路板提供了模拟放大器实例。放大器类型包括 AB 类、D 类、G 类、H 类和 K 类，输出为耳机、1 声道（单声道）、2 声道（立体声）、3 声道、4 声道、6 声道和 8 声道。