tda7419 功放ic

tda7433_引脚图_电路图(2/10)_stmicroelectronics

tda7256_引脚图_电路图(2/10)_stmicroelectronics

tda7427_引脚图_电路图(2/10)_stmicroelectronics

ip5306--画板笔记_liangwf22的博客-csdn博客_ip5306各引脚的接线图