TDA1543 dac

Rotellian · 5th September 2003, 02:33 PM

I have seen a simple design using this chip in a few places on the forum and it looks interesting. I do have a question if anyone can help. I understand it needs i2s input. If i have an old cd player with 11.2mhz clock and 7310/7220 chipset, can i use this as the i2s source or is it at the wrong clock frequency?

Elso Kwak · 7th September 2003, 06:03 AM

Quote:

Originally posted by Rotellian
I have seen a simple design using this chip in a few places on the forum and it looks interesting. I do have a question if anyone can help. I understand it needs i2s input. If i have an old cd player with 11.2mhz clock and 7310/7220 chipset, can i use this as the i2s source or is it at the wrong clock frequency?

Hi Rotellian,
Yes you can use the SAA 7310 as a source for the I2S signals if you want to construct a NON-OS DAC.
See Marco's site:
http://members.xoom.virgilio.it/hi_fi/q7310.htm
You need pin 2, 3 & 4 on the SMD package. Hope this helps.

Rotellian · 7th September 2003, 09:50 AM

Excellent - thought so. That dac is ridiculously cheap - even in the uk! Be something fun to do

Cheers

ThorstenL · 9th September 2003, 04:44 PM

Konnichiwa,

Quote:

Originally posted by Rotellian
I have seen a simple design using this chip in a few places on the forum and it looks interesting. I do have a question if anyone can help. I understand it needs i2s input. If i have an old cd player with 11.2mhz clock and 7310/7220 chipset, can i use this as the i2s source or is it at the wrong clock frequency?

If your player has the 7310 & 7220 it is almost invariably bound to have also a TDA1541. The TDA1541 is a much superior performance and soundquality chip to the 1543. So I would not recommend to "downgrade" the Player....

Sayonara

Rotellian · 9th September 2003, 04:57 PM

Its a 7323 philips bitstream actually (nice midrange - terrible bass). But i do have another one with 7210/7220 that is in need of a new cdm4/19 (which i might just have found in another old player - not that I collect old cd players you understand!) that does have 1541 (have converted to non-oversampling upgraded op-amps and few bits - is quite nice, but still not right) The quest continues.....

till · 9th September 2003, 05:02 PM

Quote:

...that is in need of a new cdm4/19 ...

http://www.diyaudio.com/forums/showt...461#post230461

I have them in stock

miguel2 · 12th September 2003, 04:58 PM

MY tda1543 non-os dac has invariably hum at its output, even with a copper foil as ground plane

I guess that although quite simple to build, ground IS a problem to beware of.

Miguel

jean-paul · 12th September 2003, 05:09 PM

Quote:

not that I collect old cd players you understand !

There is nothing wrong with that ! Just takes a lot of space

till · 12th September 2003, 05:30 PM

topic collecting CD players:

what can you tell me about these:

jean-paul · 12th September 2003, 08:38 PM

If it's a B226 it has CDM1 and TDA1541A. Never owned one so I am not too sure. Electronically not very special and overpriced AFAIK.

I remember that some mechanical part failed more than normal but I can't recall which part

http://www.schori.info/b200s/b226s.htm

http://members.xoom.virgilio.it/hi_fi/b226.jpg

5th September 2003, 02:33 PM	#1
Rotellian diyAudio Member Join Date: Sep 2003 Location: UK	TDA1543 dac I have seen a simple design using this chip in a few places on the forum and it looks interesting. I do have a question if anyone can help. I understand it needs i2s input. If i have an old cd player with 11.2mhz clock and 7310/7220 chipset, can i use this as the i2s source or is it at the wrong clock frequency?

12th September 2003, 08:38 PM	#10
jean-paul diyAudio Moderator Emeritus Join Date: Sep 2002 Location: The Netherlands	If it's a B226 it has CDM1 and TDA1541A. Never owned one so I am not too sure. Electronically not very special and overpriced AFAIK. I remember that some mechanical part failed more than normal but I can't recall which part http://www.schori.info/b200s/b226s.htm http://members.xoom.virgilio.it/hi_fi/b226.jpg __________________ It's only audio

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7th September 2003, 09:50 AM	#3
Rotellian diyAudio Member Join Date: Sep 2003 Location: UK	Excellent - thought so. That dac is ridiculously cheap - even in the uk! Be something fun to do Cheers

9th September 2003, 04:57 PM	#5
Rotellian diyAudio Member Join Date: Sep 2003 Location: UK	Its a 7323 philips bitstream actually (nice midrange - terrible bass). But i do have another one with 7210/7220 that is in need of a new cdm4/19 (which i might just have found in another old player - not that I collect old cd players you understand!) that does have 1541 (have converted to non-oversampling upgraded op-amps and few bits - is quite nice, but still not right) The quest continues.....

12th September 2003, 04:58 PM	#7
miguel2 diyAudio Member Join Date: Jun 2002 Location: Portugal	MY tda1543 non-os dac has invariably hum at its output, even with a copper foil as ground plane I guess that although quite simple to build, ground IS a problem to beware of. Miguel

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