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"Reference" TDA1541A DAC with I2S-BUS architecture
"Reference" TDA1541A DAC with I2S-BUS architecture
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Old 10th June 2010, 05:30 AM   #11
dvb projekt is offline dvb projekt  Germany
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"Reference" TDA1541A DAC with I2S-BUS architecture
Hi Dom,

Quote:
-In order to understand this global project, where can i get schematic of it?
send me a PM.

Quote:
-My power amplifier needs 200mV to Pmax and Zinput is 40K : do I need preamplifier or I/V stage is able to drive directly my amplifier?
If you insert a R I/V of 47R you get a max output voltage of ~188mV (TDA1541A full scale current 4mA typical).
So you could try it directly, but i think it would be better with a buffer stage.

Quote:
-I don't see any output filter, that means preamplifier do the job?
My design is as straight as possible and use no output filter to get the maximal sound quality.

Best regards,
Oliver
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Old 10th June 2010, 05:18 PM   #12
dvb projekt is offline dvb projekt  Germany
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"Reference" TDA1541A DAC with I2S-BUS architecture
Exclamation Power schematic overview

On request, here is the power schematic overview of my complete project.


Click the image to open in full size.
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Old 23rd June 2010, 04:39 PM   #13
dvb projekt is offline dvb projekt  Germany
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Join Date: Feb 2009
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"Reference" TDA1541A DAC with I2S-BUS architecture
All PCBs arrived today!
Because of the world cup soccer match between Germany and Ghana this evening,
i will dispatch all payed pre orders on friday.


Oliver
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Old 23rd June 2010, 04:45 PM   #14
toufu is offline toufu  United States
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Oliver, good luck to your Germany... USA already made it.. You got my payment right? I should have enough to make a complete set?
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Old 23rd June 2010, 04:52 PM   #15
dvb projekt is offline dvb projekt  Germany
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"Reference" TDA1541A DAC with I2S-BUS architecture
Quote:
Originally Posted by toufu View Post
Oliver, good luck to your Germany... USA already made it.. You got my payment right? I should have enough to make a complete set?
Congratulation to the US Team
I got your payment and yes, you could make a complete set!


Best regards,
Oliver
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Old 25th June 2010, 04:47 AM   #16
dvb projekt is offline dvb projekt  Germany
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Join Date: Feb 2009
Location: Willich, Germany
"Reference" TDA1541A DAC with I2S-BUS architecture
All payed pre orders are dispatched!
Please give a short feedback when you get the pcbs.


For all who want to order a module of my "Reference TDA1541A DAC Project"
please send a mail to

diyaudiopcb (at) gmx.com

with your paypal address.




Oliver
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Old 29th June 2010, 04:38 PM   #17
Malka07 is offline Malka07  England
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Just got back from work, and a package was waiting for me

Boards look Absolutely fantastic

Thanks Oliver
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Old 29th June 2010, 07:26 PM   #18
Ryssen is offline Ryssen  Sweden
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Got my regulator boards today,thanks!
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Old 29th June 2010, 08:49 PM   #19
ksnider1 is offline ksnider1  United States
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WOW !!! I got my also. That's fast shipping.

Thanks Oliver
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Old 29th June 2010, 11:20 PM   #20
rtd is offline rtd  France
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Got mine too, thx.
Few question, where does the DGND meet the top groundplane ? and is there any specific reason you consider 1541 ground as analogue one ?

Thx
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