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TPA3131输出直流偏置 接LC无输出



OUTPL输出有10V直流,所以导致接上后级LC滤波,芯片被功率保护了?

INPL前串有一隔直电容,电容前无直流,在INPL脚上有2.65V直流了!

原理图如EVM,求教输出不正常解决