PCM1690: Pls help review our SCH design

Fiona Yin

Prodigy 55 points

Part Number: PCM1690
Other Parts Discussed in Thread: TPA3220

Dear Sir/Madam,

PCM1690 converts the I2S signal from an audio module to TPA3220.

Pls help review our SCH design if need to improve, many thanks!6136.PCM1690.pdf

over 3 years ago

0 Arash Loloee over 3 years ago

TI__Mastermind 24570 points

Hello, I added this to my queue and will review it in the next couple of days and let you know.

Regards,

Arash

0 Fiona Yin over 3 years ago in reply to Arash Loloee

Prodigy 55 points

Look forward to your review comment, many thanks, Arash!

0 Arash Loloee over 3 years ago in reply to Fiona Yin

TI__Mastermind 24570 points

Sure Fiona.

Arash

0 Arash Loloee over 3 years ago in reply to Arash Loloee

TI__Mastermind 24570 points

Hello Fiona,

I went through the schematics and I noticed you used a different AC coupling for one of the outputs and 2 different LP filters (106k and 213k) for your outputs. Nothing out of ordinary though.

Regards,

Arash

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PCM1690: Pls help review our SCH design