Audio Codec (ALC5645) <-> 3.5mm jack wiring

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Posts: 1
Joined: Tue Sep 18, 2018 12:45 pm

Tue Sep 18, 2018 1:24 pm


Can I get some information about, where/how the 3.5mm jack is connected into the codec? Codec has 3 stereo output, a 20mW Headphone, a Line and an 1.5W/8Ohm speaker output. I have some annoying digital noise in the audio signal, if I connect it to an amplifier. With headphones, there is no noise.


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Posts: 2425
Joined: Wed Jan 20, 2016 9:09 am

Sat Sep 29, 2018 10:48 am

Dear friend, I got some info from engineer. Please check if it's useful for u!
Audio Jack Sch.png
Audio Jack Sch.png (133.72 KiB) Viewed 377 times
Audio Codec Sch.png
Audio Codec Sch.png (338.75 KiB) Viewed 377 times
Enjoy Tinkering with LattePanda ! :lol:

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