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ST 耳机的2线EMI滤波器 + 麦克风的2线EMI滤波器EMIF04-EAR02M8马上停产，寻求推荐物料，客户表示可以将RC /LC 部分拆分推荐，目前TPD4F003只满足RC部分的EMI保护，可有针对LC部分的选型推荐吗
所以我们没有这种芯片类似TPD4F003（只是RC滤波器）的LC滤波器，只有分立式的搭建电路对吗
