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Stereo source selector IC
Stereo source selector IC
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Old 19th November 2008, 06:16 PM   #1
speakerguy79 is offline speakerguy79  United States
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Default Stereo source selector IC

Hi,

I am looking for a stereo source selector IC (analog switch). My old HT receiver uses an LC7822 for this function but it is discontinued. I would like at least 3 or 4 stereo source inputs and one stereo output. Control interface will be via microcontroller so control interface is no worry - can be serial data control or just pin configurable.

Thanks for any help!
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Old 20th November 2008, 10:25 AM   #2
Mooly is offline Mooly  United Kingdom
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Stereo source selector IC
Does it have to be an IC ?
http://www.diyaudio.com/forums/attac...amp=1205147327

Which I designed as part of this,
http://www.diyaudio.com/forums/showt...0&pagenumber=1
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Old 20th November 2008, 04:19 PM   #3
speakerguy79 is offline speakerguy79  United States
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I would prefer an IC solution for simplicity and cost, this will be a commercial application (and I wouldn't want to steal your work for my design).
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Old 20th November 2008, 06:05 PM   #4
Mooly is offline Mooly  United Kingdom
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Stereo source selector IC
That's nice
There used to be TDAxxxx (I think ) chip that was a complete preamp, input selection etc all controlled by an I2C bus. Had tone controls as well, but that's going back a good few years.
May be someone else can remember the number.
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Old 29th November 2008, 01:16 AM   #5
raudio1969 is offline raudio1969  United States
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How about NJR # NJM2750?

http://www.njr.co.jp/e04/em2750.htm
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