LM4871 noise

Lucifer

Other Parts Discussed in Thread: LM4871

Dear Sir,

I am encountering a problem of LM4871, when I turn on the speaker ,I can hear the noise , I don't know how to tackle the problem.

could you give me some suggestion ? Thanks

over 10 years ago

0 Andy Liu (BMS) over 10 years ago

I suggest you take a look at the section "Selection of Input Capacitor Size" on Page 11 of LM4871 datasheet.

0 Lucifer over 10 years ago in reply to Andy Liu (BMS)

Expert 2600 points

Dear Andy,
Sorry, I think it is not pop noise. I meant that I play the music and when the song end , I can hear the noise, thanks.

0 Andy Liu (BMS) over 10 years ago in reply to Lucifer

Did you take a look at the section "Design a 1W/8Ω Audio Amplifier" on Page 12?

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