TAS5760LD: TAS5760LD: Asking for the TAS5760LD PBTL output polarity setting

SHH

Mastermind 32326 points

Part Number: TAS5760LD

Hi team,
Customer uses TAS5760LD PBTL mono application. Could you please advise how to change the output polarity?

BR,
SHH

over 6 years ago

0 Shawn Zheng over 6 years ago

TI__Mastermind 24835 points

Hi Scott,
We are looking into this and will get back to you later. Our reply could be delayed due to the holiday, thanks for you patience!
Best regards,
Shawn Zheng

0 SHH over 6 years ago in reply to Shawn Zheng

TI__Mastermind 32326 points

Hi Shawn,
Thanks.
We might need this information before next Monday before customer change the schematic and layout.
please help for this case.

BR,
SHH

0 Alix Wan over 6 years ago

TI__Genius 9995 points

Hi SHH,

What do you mean changing the output polarity? As you known, in PBTL mode, positive and negative pin are relative to each other.
Can you clarify more clearly?

Regards,
Alix Wan.

0 SHH over 6 years ago in reply to Alix Wan

TI__Mastermind 32326 points

Hi Alix,
please refer to this post. Port B is the positive and Port A the negative.
e2e.ti.com/.../555583

BR,
Scott

0 Alix Wan over 6 years ago in reply to SHH

TI__Genius 9995 points

Hi SHH,

Based on my knowlege, we cannot reverse it. Why is it necessary to inverse the polarity? I cannot understand it.

Regards,
Alix Wan.

0 SHH over 6 years ago in reply to Alix Wan

TI__Mastermind 32326 points

HI Alix,
this is for the Dolby effect. the polarity will impact the sound effect.

BR,
SHH

0 Alix Wan over 6 years ago in reply to SHH

TI__Genius 9995 points

Hi SHH,

Then as to this issue, we can talk further offline if needed.
I would close this thread.

Regards.
Alix Wan.

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TAS5760LD: TAS5760LD: Asking for the TAS5760LD PBTL output polarity setting