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Old 28th October 2003, 01:08 PM   #1
tkchoi is offline tkchoi  Hong Kong
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Default What is difference on TDA1545 and TDA1545A?

I ordered a few TDA1545A DAC chips. But, I received the parts without "A". Do anybody know what is the difference between TDA1545 and TDA1545A?

P.S. The TDA1545 DAC chips I received are in DIP package

Best regards,
T K Choi
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Old 29th October 2003, 10:47 AM   #2
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Default Re: What is difference on TDA1545 and TDA1545A?

Quote:
Originally posted by tkchoi
I ordered a few TDA1545A DAC chips. But, I received the parts without "A". Do anybody know what is the difference between TDA1545 and TDA1545A?

P.S. The TDA1545 DAC chips I received are in DIP package

Best regards,
T K Choi
Hi, -Skating on thin ice here-
Philips datasheet only mentions TDA1545A
A version is for most of Japanese format. Maybe without A for I2S????
I might be interested buying the chips from you.
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Old 29th October 2003, 11:11 AM   #3
tkchoi is offline tkchoi  Hong Kong
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Hello Elso,

The TDA1545, I have, are worked on Japan format, but not Philips I2S. I tried to build the circuit just following Philips TDA1545A datasheet. It sounded vague with very soft bass. So, I wonder if there is difference between TDA1545 and TDA1545A. And, may need different circuit configuration from TDA1545A.


Best regards,
T K Choi
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Old 29th October 2003, 11:20 AM   #4
Netlist is offline Netlist  Belgium
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According to my data:
TDA1545: Stereo, dig. Audio, continuous calibr.
TDA1545A: =TDA 1545: verbessert/improved

It however doesn’t say what's improved
From Audioasylum:
Quote:
The TDA1545 suffers from variations in series production and AFAIK they are still being "graded", it is worth getting the better grades.
/Hugo
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