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Question about the speaker load configuration of TPA2100P1

Ho Cheol Song1
Prodigy 120 points
Other Parts Discussed in Thread: TPA2100P1

Dear TIer,

I have one question about TPA2100P1.

There is some infomation in datasheet as below. As I know, Piezo speaker should need DC RES which has 10~20ohm. But I am not sure what the most proper value of power dissipation for RES is. EVM of TPA2100P1 is 1/4W with 1206 size. Customer feels this size is very big. Is it available to reduce RES size? If possible, Which size is the best?

Thanks.