>for a school project, I would like to implement some digital
>signal processing in an FPGA. To accomplish that, I'm in need
>of an ADC front-end, and for reasons of development time and
>lack of experience, I would like to go with a manufacturer's
>development module. My (optimistic) requirements are thus:
>
>1) I need to capture signals of  1MHz or so, so 2+ MSPS, at
>16+ bits of resolution

You will be lucky to find something with higher than 16 bit resolution.

I would suggest you look at Analog Devices. They have a wide range of ADC 
units, and are prepared to sample chips, depending on chip cost at no cost 
to you. They have a range of parallel and serial interface devices, so you 
should be able to select something that would suit.

An alternative supplier would be Linear Technology, who also do a range of 
ADC stuff, but not sure if they have anything with that many bits at speed. 
10, 12 and 14 bits are the most common. Often when you do find a 16 bit 
device, digging into the specifications suggests that it often isn't more 
accurate than a 14 bit one due to linearity, tempco, or some other factor.

http://www.analog.com/
http://www.linear.com/index.jsp

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