What is difference on TDA1545 and TDA1545A?

[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

 

[Elso Kwak]

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.😉

 

[tkchoi]

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

 

[Netlist]

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:

The TDA1545 suffers from variations in series production and AFAIK they are still being "graded", it is worth getting the better grades.

/Hugo 🙂