应用功能：2×22瓦立体声BTL差分放大器与扬声器保护检测 The TDA1557Q is a monolithic integrated class-B output amplifier in a 13-lead single-in-line (SIL) plastic power package. The device contains 2 ´ 22 W amplifiers in BTL configuration and has been primarily developed for car radio applications.
电路图解压密码：www.838dz.com (小写)
