TAS2780: TAS2780 25W Smart AMP For Speaker

Jared Huang

Part Number: TAS2780

Tool/software:

Please ask TI TAS2780 why the RMS noise level from audio precision measurement of sample 1 and sample 2 differs by -6dBv.

audio precision
When TI FA re-test report sample 1 and sample 2 VRMS are also very different. But TI said there is no problem with the IC.

23 days ago

0 Arthur Brown 23 days ago

TI__Genius 17660 points

Hi Jared,

Can you share the QEM number associated with this return so we can find who performed this bench verification?

or any other identifying details?

Regards,

Arthur

0 Jared Huang 22 days ago in reply to Arthur Brown

Prodigy 20 points

HI Arthur,

Responsible for this case:
TI FAE: robinchen@ti.com
TI PM: paulyeh@ti.com

0 Arthur Brown 19 days ago in reply to Jared Huang

TI__Genius 17660 points

Hi Jared,

I discussed with Robin. seems the issue was a high noise level reported. then upon bench testing we did not find noise higher than the spec given in the datasheet.

Both Robin and Paul will be visiting the customer on site to discuss this on Monday.

Regards,
Arthur

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TAS2780: TAS2780 25W Smart AMP For Speaker