LM4890IBPX概述
Audio Amp Speaker 1CH Mono 1W Class-AB 8Pin uSMD T/R
放大器 IC 1-通道（单声道） AB 类 8-uSMD
得捷:
IC AMP CLASS AB MONO 1W 8USMD
Chip1Stop:
Audio Amp Speaker 1-CH Mono 1W Class-AB 8-Pin uSMD T/R
Win Source:
IC AMP AUDIO PWR 1W MONO 8USMD