Dac Question - Cs8412 ..... Pcm63

maartentje · 6th June 2005, 07:25 PM

Hay Guys.

I want to build a DAC with a CS8412 or CS8414 and a PCM63.

* Is there a schematic with a CS8412-CS5842-PCM63?
* Is the SM5842 the same as a DF1704
* Is the SM5813 the same as a DF1700

Greetz Maarten

maartentje · 7th June 2005, 07:05 AM

any one?

dddac · 7th June 2005, 08:43 AM

Quote:

Originally posted by maartentje
Hay Guys.

I want to build a DAC with a CS8412 or CS8414 and a PCM63.

* Is there a schematic with a CS8412-CS5842-PCM63?
* Is the SM5842 the same as a DF1704
* Is the SM5813 the same as a DF1700

Greetz Maarten

Quote:

Originally posted by maartentje
any one?

Sure have a look at my Site www.dddac.de

the sm5842 is totally different... and also better !!

take care
doede

maartentje · 7th June 2005, 10:56 AM

Thanks! yeah i like it but can i remove the filter selection?

Just a another question can i replace the pcm56 with a pcm63 in the schematic below?

thanks!

machinow · 7th June 2005, 01:56 PM

Yes, you can replace it if you change the schematic first. PCM 56 and 63 are totally different, they are not pin-to-pin compatible, if you meant that.

maartentje · 7th June 2005, 02:00 PM

okay, but why are people using a DF1700 DF1704 SM5842 between a cs8412 and a pcm63 this is much simpler.

Thanks

Jocko Homo · 7th June 2005, 03:17 PM

Because a '1704 is cheap and easy to get. Emphasis on easy to get.

Jocko

Fin · 8th June 2005, 01:40 AM

Does somebody want SM5842APT or SM5843AP1?

I have a few of each (brand new) for sale or trade............

Chris Daly · 9th June 2005, 01:37 PM

If your building a DAC like this , have a read of my
June 1997 Electronics World article about overcoming SPDIF

You will need to purpose modify a CD player to extract
DATA, LRCK ,BITCLOCK and using 74AC74 flip flops
clock each of these individual signals upon transmission from
the Cd player and reception at the DAC ie 6 flip flops
or 4 if you want to use the dual feature of these chips.

The aforementioned signals then feed the DF 1700
directly bypassing SPDIF altogther. recommended you
use a line driver such as from Maxim , the Max 497
to effect transfer as 75 ohm feeds.

It works spectacularly , but becomes a unique set up
making that CD player and DAC a tied combination
Its benefits are that SPDIF multiplexing is permanently
avoided. Cheers / chris

Jocko Homo · 9th June 2005, 01:47 PM

I would not advise using AC logic, though.

Jocko

6th June 2005, 07:25 PM	#1
maartentje diyAudio Member Join Date: Jun 2002 Location: USA, FL	Dac Question - Cs8412 ..... Pcm63 Hay Guys. I want to build a DAC with a CS8412 or CS8414 and a PCM63. * Is there a schematic with a CS8412-CS5842-PCM63? * Is the SM5842 the same as a DF1704 * Is the SM5813 the same as a DF1700 Greetz Maarten

7th June 2005, 03:17 PM	#7
Jocko Homo Banned Join Date: Feb 2002 Location: As far from the NOSsers as possible	WHY?????? Because a '1704 is cheap and easy to get. Emphasis on easy to get. Jocko

8th June 2005, 01:40 AM	#8
Fin diyAudio Member Join Date: Dec 2003 Location: -	SM584x Does somebody want SM5842APT or SM5843AP1? I have a few of each (brand new) for sale or trade............ __________________ Regards Fin

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7th June 2005, 07:05 AM	#2
maartentje diyAudio Member Join Date: Jun 2002 Location: USA, FL	any one?

7th June 2005, 01:56 PM	#5
machinow diyAudio Member Join Date: Dec 2002 Location: Bulgaria, Sofia	Yes, you can replace it if you change the schematic first. PCM 56 and 63 are totally different, they are not pin-to-pin compatible, if you meant that.

7th June 2005, 02:00 PM	#6
maartentje diyAudio Member Join Date: Jun 2002 Location: USA, FL	okay, but why are people using a DF1700 DF1704 SM5842 between a cs8412 and a pcm63 this is much simpler. Thanks

9th June 2005, 01:37 PM	#9
Chris Daly diyAudio Member Join Date: Sep 2004 Location: hobart tasmania	If your building a DAC like this , have a read of my June 1997 Electronics World article about overcoming SPDIF You will need to purpose modify a CD player to extract DATA, LRCK ,BITCLOCK and using 74AC74 flip flops clock each of these individual signals upon transmission from the Cd player and reception at the DAC ie 6 flip flops or 4 if you want to use the dual feature of these chips. The aforementioned signals then feed the DF 1700 directly bypassing SPDIF altogther. recommended you use a line driver such as from Maxim , the Max 497 to effect transfer as 75 ohm feeds. It works spectacularly , but becomes a unique set up making that CD player and DAC a tied combination Its benefits are that SPDIF multiplexing is permanently avoided. Cheers / chris

9th June 2005, 01:47 PM	#10
Jocko Homo Banned Join Date: Feb 2002 Location: As far from the NOSsers as possible	I would not advise using AC logic, though. Jocko

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