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Old 24th January 2007, 12:15 PM   #1
Ruach is offline Ruach  Singapore
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Default Burr Brown PCM65

Hi guys,

I have looking for the datasheet of the pcm65 but I could not find any specs on this dac anywhere.

I would appreciate any info on this chip.

Is the pcm65 a good dac chip to work with?

Thanks
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Old 26th January 2007, 04:47 PM   #2
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I believe they were made for pioneer electronics . And your absolutely right about information availability.. zip..
Probably going to have to find out what pioneer model uses this DAC and get a service manual .That should have the info you seek.
Dave
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Old 26th January 2007, 08:13 PM   #3
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Default PCM56?

Do you mean the PCM56?

http://www.audioasylum.com/forums/DI...ages/4513.html

Cheers,
Jeff
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Old 26th January 2007, 10:20 PM   #4
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This guy James D seems to think that the PCM65 is the equivelent to the TDA1541.


http://www.world-designs.co.uk/forum...ead.php?p=8227


Cheers George
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Old 27th January 2007, 02:18 PM   #5
Ruach is offline Ruach  Singapore
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It is not the pcm56.

This chip has 64 pins and it must be the biggest BB dac chip that I ever seen in my life - about twice the size of a pcm63.

I am trying to get in touch with the right chap in TI for a copy of the datasheet.

I was told that the Pioneer PD-91 and some Sony cdps use this dac chip.
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Old 27th January 2007, 02:28 PM   #6
Ruach is offline Ruach  Singapore
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Check out the dual pcm65 on the right side of the PD-91.

I see 4 trimmers at the side of each dac chip presumably for MSB adjustments.
Attached Images
File Type: jpg pioneer pd-91.jpg (99.9 KB, 645 views)
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Old 1st February 2007, 03:56 AM   #7
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Default Here is info on the BB PCM65

I dug up the PD91 service manual at my shop, and took a couple of quick hi-res pics of the PCM65 dac stage. I can't get it small enough to post here without losing legibility, so tell me if you want me to email the files. It's a rather unusual looking chip, judging by it's peripheral needs. I can do a proper scan of the whole schematic if anyone here needs it.
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Old 1st February 2007, 04:01 AM   #8
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www.imageshack.us , choose the "thumbnail for forums (1)" option

limit is 1.5 megs per pic

i should make that my sig or something.
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Old 1st May 2013, 12:48 PM   #9
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Default PCM65

Anyone any ideas of a simular sounding chip thats available today ??
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Old 20th June 2013, 10:48 AM   #10
Ruach is offline Ruach  Singapore
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Probably a PCM64
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