This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
请问有没有9v供电的光耦?
最普通的光耦是电流驱动的, 只要合适的限流电阻, 输入端工作更高的电压都没有问题,
而输出端则受限于推动级的击穿电压. 一般都在 30V 以上
TI没有光耦器件,停产很久了