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Old 6th September 2005, 09:58 PM   #1
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Default TDA1553 Help

Hi All!!!

I'm new to this forum and this is my first post.

I would like to know if anyone out there could help me with my TDA1553 chips. I got about 30 of these IC's for free at a friend who works at a electronics shop. I don't have a problem designing a amp for this IC, the problem that I have is that those that I got are 18 pins and I have no idea what the pin outs are!!

Can someone please help me with this one, as I cannot find a datasheet for the 18 pin chips? They are made by Phillips.

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Old 6th September 2005, 10:36 PM   #2
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Here you go.


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Old 8th September 2005, 08:44 PM   #3
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Thanks alot, but it isn't quite what I am looking for. All the datasheets only mention the 13pin version, and mine has 18 pins! I have searched the entire internet and all that I can find is datasheets for the 13pin ICs...

I think that Phillips maybe made a numbering mistake on those ICs, the batch code is G02050. I'm going to send them a nice email to find out! Thanx anyway for the help!


Werner AKA Sousmielie
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Old 8th September 2005, 08:51 PM   #4
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Could you post a picture?

Edit: Are you sure it's not the 1533?

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Old 12th September 2005, 08:59 PM   #5
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Hi All!

Thanx for the replies. I finally got hold of Phillips, and they say that they no longer produce these IC's and that mine might be counterfeit.

I actually made a typing mistake, they are 17pins, sorry!

I used the IC's with the circuit of the TDA1558 datasheet and they work perfectly!

Well I guess it isn't all that bad, seeing that I got them for free, and I can now build 30 achannel amps!

Thanx Alot!

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