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.

opa548过大电流会发出声问题,

Other Parts Discussed in Thread: OPA548

使用opa548做功放流过电流为1A(Vpp=28V,RL=10Ω)时竟然会发出声音(持续,尖锐,声音较小),

请问这是怎么回事,是因为达接近其最大输出功率么,对电路影响大吗?