Ta7250

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or TA7250BP which is the correct product name ;) I have a couple of chips of.

Does anyone know where to find a usable circuit involving these, or even a pinout diagram?

Here's a link to toshibas 1 channel audio-chips ( I suspect they are one channel since I found them in a car radio-unit) but I can't find it there.

http://www.toshiba.com/taec/cgi-bin/display.cgi?table=Category&CategoryID=6983

/Chris
 
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I've got the datasheet in pdf - 331 KB, too large to post.

In brief it's a 30-watt BTL car amp chip. The correct name is TA7250 BP.

30 watts into 2 ohms at 10% THD. Or 4 watts into 4 ohms at 0.015% THD.

Lots of protection circuitry. IC runs happier when run hot - 18 volts or so, usable for 2 ohms upto 10 watts, beyond that There's too much fuzz. Actually one of the best specs among the BTL ICs I've seen...
 
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