产品概述
TDA7491LP/TDA7491P/TDA7491HV/TDA7492P是双BTL D类音频放大器,主要用在家庭影院和有源扬声器. TDA7491LP/TDA7491P/TDA7491HV/TDA7492P单电源供电,效率高达90%,采用PowerSSO-36封装,整个系列管教兼容,便于客户设计应用。
性能介绍
| TDA7491LP | 2X5W/6V/4Ω | PowerSSO-36 | 5V-14V | 5W双声道D类功放IC | |
| TDA7491P | 2X10W/12V/8Ω | PowerSSO-36 | 5V-18V | 10W双声道CLASS-D,ST原装 | |
| TDA7491HV | 2X20W/18V/8Ω | PowerSSO-36 | 5V-18V | 20W双声道D类功放IC,ST原装 | |
| TDA7492P | 2X25W/20V/8Ω | PowerSSO-36 | 8V-26V | 25W双声道D类功放IC,ST原装 |
典型应用原理图

PCB正面

PCB背面

