LM4881 具有停机模式的 Boomer 双路 200 mW 耳机放大器

The LM4881 is a dual audio power amplifier capable of delivering 200mW of continuous average power into an 8 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 using surface mount packaging. Since the LM4881 does not require bootstrap capacitors or snubber networks, it is optimally suited for low-power portable systems.

The LM4881 features an externally controlled, low power consumption shutdown mode which is virtually clickless and popless, as well as an internal thermal shutdown protection mechanism.

The unity-gain stable LM4881 can be configured by external gain-setting resistors

LM4881
Headphone Channels Stereo    
Supply Max (Max) (Volt) 5.5    
Supply Min (Min) (Volt) 2.7    
THD (%) 0.02    
Output Power (W) 0.15    
Load (Min) (ohms) 8    
ISD (uA) 0.7    
PSRR (dB) 50
LM4881 特性
LM4881 器件用途
LM4881 应用技术支持与电子电路设计开发资源下载
  1. LM4881 数据资料 dataSheet 下载.PDF
  2. TI 德州仪器耳机放大器产品选型与价格 . xls