Is Pioneer PE8001A legatolink dac just a PCM1716? - diyAudio
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Old 26th January 2004, 09:45 AM   #1
Tor M is offline Tor M  Norway
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Default Is Pioneer PE8001A legatolink dac just a PCM1716?

Hi!

I have been searching the net to find the datasheet of the PE8001A dac in my Pioneer cd-player without finding it. Then I found the datasheet of the BB PCM1716 and both the pin layout and the internal block diagram is identical.
http://www-s.ti.com/sc/ds/pcm1716.pdf

Is the Pioneer dac just a PCM1716 with pioneer wrapping?

I hope not, haven`t heard much good things about the 1716!

Anybody know if this is the same chip?

Thanks

Tor Martin
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Old 28th January 2004, 10:24 AM   #2
hjelm is offline hjelm  Sweden
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I think so but i have no proof. There are no differences that i can see at least.
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Old 28th January 2004, 10:33 AM   #3
UrSv is offline UrSv  Sweden
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Does Legato link not refer to the filter part of the conversion process rather than the actual DAC used? Same as what others call up-sampling. That's what I thought. The filter uses a Pioneer proprietary algorithm, aka Legato Link, for the up-sampling/interpolation and then feeds the ordinary DAC with that data. In the Hi-Bit version it simply means that the DAC chip is more than 16 bits...
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Old 28th January 2004, 12:28 PM   #4
Tor M is offline Tor M  Norway
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Hi!
Thanks for answering!
UrSv and hjelm, you are probably right. The "High bit" chip in this player is a 16 pin dip chip infront of the dac. Pioneer was ahead of time and had this upsampling chip in way before everybody else started raving about it!

I guess that the datasheet for the 1716 is valid for the Pioneer dac aswell.

Thanks

Tor Martin
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