TPA3110D2: TPA3110D2 output schematic

Expert 2720 points

Eric Shen42

Replies: 7

Views: 927

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

Mastermind 29220 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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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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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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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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Alix Wan
- Feb 24, 2019 2:21 PM
In reply to Eric Shen42:

Hi Eric,

For this issue, I am thinking that we can talk offline for more details as some experiments may need to be confirm whether added circuits are ok for customer's expectation.

Can you contact me through email?

Regards,
Alix Wan.
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Eric Shen42
- Feb 25, 2019 1:54 AM
In reply to Alix Wan:

Hi Alix:
Thanks!
My email Eric.shen@wtmec.com.

Regards!
Eric Shen
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Alix Wan
- Feb 25, 2019 12:22 PM
In reply to Eric Shen42:

Hi Eric,

Ok i will email to you for off-line discussion.

Regards,
Alix Wan.
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