ADAT codec building

DJ_Looly · 15th April 2006, 11:47 AM

hello everyone...

First I want to know how ADAT interface works?How works ADAT converter???What chips are used in ADAT converters and does anyone know where I can find a schematic to build own ADAT converter?

rfbrw · 15th April 2006, 09:51 PM

How it works is proprietary. The rx/tx chipset is available from Wavefront Semiconductor.

bendyer · 4th May 2007, 05:59 PM

I've built an ADAT receiver and transmitter using an Altera FPGA and the Toshiba TORX/TOTX177 devices -- the first part of the project is described at my site, and I'm writing the rest of it up over the next couple of weeks.

If you want to know more about the workings of the ADAT protocol, the place to start is the ADAT patent. It's not all that detailed, but it gives you a pretty good idea how the Alesis implementation works. There's another (more overview/context) description at eMusician.

As rfbrw pointed out, there's a chipset available from Wavefront Semiconductor (previously part of Alesis). If you're not using an FPGA in your circuit, this chipset is definitely the way to go. You can get the parts in singles from Profusion. Of course, if you are using an FPGA, writing ADAT rx/tx cores is the way to go. Apparently Wavefront do have a reference IP core, but it probably costs a fair bit.

15th April 2006, 11:47 AM	#1
DJ_Looly diyAudio Member Join Date: Nov 2004 Location: Montenegro - Podgorica	ADAT codec building hello everyone... First I want to know how ADAT interface works?How works ADAT converter???What chips are used in ADAT converters and does anyone know where I can find a schematic to build own ADAT converter?

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15th April 2006, 09:51 PM	#2
rfbrw diyAudio Member Join Date: Oct 2001 Location: .	How it works is proprietary. The rx/tx chipset is available from Wavefront Semiconductor.

4th May 2007, 05:59 PM	#3
bendyer diyAudio Member Join Date: May 2007	I've built an ADAT receiver and transmitter using an Altera FPGA and the Toshiba TORX/TOTX177 devices -- the first part of the project is described at my site, and I'm writing the rest of it up over the next couple of weeks. If you want to know more about the workings of the ADAT protocol, the place to start is the ADAT patent. It's not all that detailed, but it gives you a pretty good idea how the Alesis implementation works. There's another (more overview/context) description at eMusician. As rfbrw pointed out, there's a chipset available from Wavefront Semiconductor (previously part of Alesis). If you're not using an FPGA in your circuit, this chipset is definitely the way to go. You can get the parts in singles from Profusion. Of course, if you are using an FPGA, writing ADAT rx/tx cores is the way to go. Apparently Wavefront do have a reference IP core, but it probably costs a fair bit.

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