TPA3110D2: TPA3110D2 output schematic

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Eric Shen42

Replies: 4

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Part Number: TPA3110D2

Dear TI:

    My customer add schematic in TPA3110D2 output, can you help to check is there any problem with the added circuit?

   The added circuit:

   

   The TPA3110D2 schematic:

    

    Thanks!

     

    Regards!

    Eric Shen

Expert 1280 points

Eric Shen42

• Feb 1, 2019 11:36 PM
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4 Replies

• Mastermind 25470 points

  

  Andy Liu SH

  

  • Feb 2, 2019 7:32 AM

  We will take a look and then get back to you.

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• Expert 1280 points

  

  Eric Shen42

  

  • Feb 12, 2019 10:13 AM

  In reply to Andy Liu SH:

  Hi Andy:
  Can you help to check my problem?
  Thanks!
  
  Regards!
  Thanks!

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• Intellectual 2960 points

  

  Alix Wan

  

  • Feb 13, 2019 12:48 PM

  In reply to Eric Shen42:

  Hi Eric,
  
  Can you clarify the more details about the spec? Further, please tell us customer's aim of added circuit.
  
  Regards,
  Alix Wan.

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• Expert 1280 points

  

  Eric Shen42

  

  • Feb 15, 2019 8:33 AM

  In reply to Alix Wan:

  Hi Alix:
  The product of customer needs to be able to support full duplex audio play and sound recording pickup. When the audio is being played, the audio content picked up by the recording is the target audio source and the mix of the audio and ambient background noise.In order to obtain the target audio source clearly, it is necessary to provide the self-playing audio to the audio processing module as the signal reference, so as to filter the known noise (self-playing audio) in the mixed audio picked up by recording. The basic principle is similar to the noise reduction of the mobile phone dual microphone.
  In view of the inevitable phase shift and distortion at the front end and rear ends of the power amplifier IC, the signal reference provided shall be collected from the end of the final acoustic device, so the signal collected from TPA3113D2, than connected to a AD chip: CX20810(microphone array IC).
  TPA3113D2 output power is 2*5W.
  Thanks!
  
  Regards!
  Eric Shen

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