TDA749X(TDA7491LP/TDA7491P/TDA7491HV/TDA7492P/TDA7492/TDA7498L/TDA7498/TDA7498E)系列放大器能够在立体声和单声道模式中实现音频系统的灵活配置,并提供单声道并行功能,在2.1声道音响系统配置中驱动超低音扬声器/低音扬声器。
管教排列图
图1 TDA7491LP/TDA7491P/TDA7491HV/TDA7492P管教排列(PowerSSO-36封装,散热片在底部)
图2 TDA7492/TDA7498L/TDA7498/TDA7498E管教排列(PowerSSO-36封装,散热片在顶部)
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
TDA7491HV
2X20W/18V/8Ω
PowerSSO-36
5V-18V
20W双声道D类功放IC
TDA7492P
2X25W/20V/8Ω
PowerSSO-36
8V-6V
25W双声道D类功放IC
TDA7492
2X50W/25V/6Ω或2X40W/25V/8Ω
PowerSSO-36
8V-26V
50W双声道D类功放IC
TDA7498L
2X80W/32V/6Ω
PowerSSO-36
10V-36V
80W双声道D类功放IC
TDA7498
2X100W/36V/6Ω或2X80W/34V/8Ω
PowerSSO-36
10V-39V
100W双声道D类功放IC
TDA7498E
2X160W/36V/4Ω或220W/36V/3Ω
PowerSSO-36
14V-36V
160W双声道D类功放IC
应用原理图
TDA749X系列PBTL(双声道并联单声道)输出应用电路图
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