STV9325参数各引脚功能内部方框及电路图: STV9325参数采用正负电源供电的场输出电路,输出电流可达2.2Ap-pSTV9325引脚排列及功能 1 INPUT- 场激励反相输入2 VCC 电源3 FLBACK GEN 逆程发生器输出4 GROUND ORNEG 接电源地或接负电源5 OUTPUT 功率输出6 OUT STAGE SUPPLY 输出级电源7 INPUT+ 功率放大器同相输入可代换的芯片有TDA78040 TDA78041 TDA8172 TDA8177 STV9302 等 |
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