TPA6304-Q1: TPA6304

Martin Yang

Prodigy 45 points

Part Number: TPA6304-Q1

Tool/software:

Hi TI team，

the tp6304 can effectively drive DC coupled speakers，

but it can't drive AC coupled speaker，there is small pop noise at the AC speaker，

it continuously perform DC diagnosis，

3 months ago

+1 Gregg Scott 3 months ago

TI__Mastermind 40685 points

Hi Martin,

This is correct behavior with the default I2C settings. The DC diagnostics is performed automatically when the device is taken out of Standby. Automatic DC diagnostics should be disabled when using AC coupled speakers. Look at register 0x05, bit 0. Page 53 of the datasheet.

Regards,
Gregg Scott

0 Martin Yang 3 months ago in reply to Gregg Scott

Prodigy 45 points

Hi Gregg，

Yes,you are right，automatic DC diagnostic must be disable,

thanks for your support

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TPA6304-Q1: TPA6304