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New AKM Stereo ADC AK5397 announced
New AKM Stereo ADC AK5397 announced
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Old 23rd November 2014, 08:03 PM   #1
JensH is offline JensH  Denmark
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New AKM Stereo ADC AK5397 announced
Smile New AKM Stereo ADC AK5397 announced

AKM has just officially announced the AK5397.

Features:
1. 128 times Oversampling Stereo A/D Converter
2. 32-bit Digital Filters
3. Sampling Rate: 8kHz ~ 768kHz
4. Low Distortion Full Differential Inputs
5. SCF
6. OVF Output
7. Soft Mute
8. THD+N: -108dB
9. DR, S/N: 127dB
10. Power Supply: 4.75~5.25V (Analog), 3.0~3.6V (Digital)
11. Package: 44-pin LQFP

Mass production is scheduled for January 2015.

It was visible on AKM's web page some months ago and then it disappeared, apparently due to some technical problems. Now it has reappeared and this time with a generally available data sheet. And a mass production date, which is within the near future.
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Old 24th November 2014, 07:26 AM   #2
vulejov is offline vulejov  Serbia
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Nice..
However, no one has yet implemented the AK4490, although there are some announcements..
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Old 22nd December 2014, 07:14 AM   #3
gentlevoice is offline gentlevoice  Denmark
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New AKM Stereo ADC AK5397 announced
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Nice..
However, no one has yet implemented the AK4490, although there are some announcements..
Yes, I think Onkyo has actually implemented it in a non state of the art device - a receiver of some kind :-l

Greetings,

Jesper
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Old 22nd December 2014, 08:39 AM   #4
nesha is offline nesha  Serbia
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768kHz/32Bit AK4490EQ DAC, I2S/DSD input - DIYINHK
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Old 22nd December 2014, 08:51 AM   #5
vulejov is offline vulejov  Serbia
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It appeared in the meantime.. did someone already tried it..
Another forum member testing AK4490 and AK4495, I'll wait to see what will come of it..
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Old 22nd December 2014, 09:31 AM   #6
JensH is offline JensH  Denmark
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New AKM Stereo ADC AK5397 announced
This thread was actually about the AK5397, so the AK4490 discussion is in fact a bit OT.

In the meantime I have received samples of both the AK5397 and the AK4490. I expect to start a design using both of them very soon. I have a design with AK5394A and AK4399, which I will modify to use the new converters.
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Old 22nd December 2014, 03:22 PM   #7
Nisbeth is online now Nisbeth  Denmark
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New AKM Stereo ADC AK5397 announced
Sounds interesting - do you have pictures/links for your existing designs?

/U.
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Old 22nd December 2014, 03:29 PM   #8
Turbon is offline Turbon  Sweden
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Yes Jens, would be most interesting to have some schematic and H/W view.
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Old 22nd December 2014, 03:52 PM   #9
JensH is offline JensH  Denmark
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New AKM Stereo ADC AK5397 announced
Here is a picture of the board with the AK5394A and AK4399.
The small board on the top left is a power supply. The boards on the right are the USBStreamer and the isolated USBStreamer interface.
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File Type: jpg ADC_DAC board_2.jpg (434.4 KB, 441 views)
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Old 22nd December 2014, 04:02 PM   #10
Turbon is offline Turbon  Sweden
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But one does not need the usb streamer right? I want to capture analog streams, process them in the digital domain and send them out on analog again...

Regards
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