Digitally controlled analog Input/Output stereo audio processor - diyAudio
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Old 6th April 2009, 08:32 PM   #1
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Default Digitally controlled analog Input/Output stereo audio processor

I used the TDA7438D in an audio project some years ago, and I would like to use it again, but I've seen that most part of suppliers consider it as an obsolete IC.

For those who don't know: the TDA7438D ( and TDA7439 ) is a digitally controlled analog audio processor. So you can connect to this IC the analog signals to process and specify through the I2C the wished bass and treble levels. It was very practical and easy to use.

So I've been searching for a new option but I'havent been able to find anything similar. Can anybody give me the reference of an IC capable of controlling digitally an audio Analog Sterero signal? BGA options are not usefull to me because it is for a "home made" project

Thanks in advance!

Tolaemon
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Old 15th January 2011, 04:39 PM   #2
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Hey, I am planning on using that chip in my homemade amplifier. It's still available at Digikey. What experiences do you have with that chip? How is the sound?
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Old 16th January 2011, 09:13 PM   #3
Kay is offline Kay
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Quote:
Can anybody give me the reference of an IC capable of controlling digitally an audio Analog Sterero signal
what do you think about the TDA7318 and his companions?
there are some other chips like this on www.st.com
...
for the TDA7813, maybe you like this project
http://www.scienceprog.com/avr-based...essor-control/
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Kay

Last edited by Kay; 16th January 2011 at 09:17 PM.
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Old 17th January 2011, 09:08 AM   #4
sasmit is offline sasmit  India
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Quote:
Originally Posted by Kay View Post
what do you think about the TDA7318 and his companions?
there are some other chips like this on www.st.com
...
for the TDA7813, maybe you like this project
AVR based TDA7313 Audio processor control - Scientific, embedded, biomedical, electronics contents.
You could look at TDA7449, in fact I have a complete mini preamp based on that with a ATMega16, LCD and rotary encoder volume control.

LM4780 paralell pcb
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