LM4675 具有扩频的超低 EMI、免滤波、2.65W、单声道、D 类音频功率放大器

The LM4675 is a single supply, high efficiency, 2.65W, mono, Class D audio amplifier. A spread spectrum, filterless PWM architecture reduces EMI and eliminates the output filter, reducing external component count, board area consumption, system cost, and simplifying design.

The LM4675 is designed to meet the demands of mobile phones and other portable communication devices. Operating on a single 5V supply, it is capable of driving a 4Ω speaker load at a continuous average output of 2.2W with less than 1% THD+N. Its flexible power supply requirements allow operation from 2.4V to 5.5V. The wide band spread spectrum architecture of the LM4675 reduces EMI-radiated emissions due to the modulator frequency

LM4675
Speaker Channels Mono    
Speaker Amp Type Class-D
Output Power (W) 2.7    
PSRR (dB) 82    
Special Features Digital Input
Supply Min (Min) (Volt) 1.4    
Supply Max (Max) (Volt) 3.6
LM4675 特性
LM4675 器件用途
LM4675 应用技术支持与电子电路设计开发资源下载
  1. LM4675 数据资料 dataSheet 下载.PDF
  2. TI 德州仪器扬声器放大器和调制器产品选型与价格 . xls