Re: What is the jelly bean DAC du jour?

On 8 Nov 2006 23:01:55 -0800, "Arlet" <usenet+5@xxxxxxxxxxxxxxxxx>
wrote:
Will a fast delta-sigma modulator on a CPLD or small FPGA be able to
match your requirements ? You can fairly easily roll your own, and get
plenty of channels out of a single part.

I've been searching for a while for some tips to roll at least 12
channels of SD ADCs into an FPGA, with external 2nd order modulators
(mostly because the audio ADCs' PGAs aren't guaranteed stable enough
for me over -400C to +60C, and the simple sinc3 decimation filters in
industrial ADCs don't have the alias rejection I need). Any tips or
links appreciated, on the FPGA approach or on better ADCs.
Tony (remove the "_" to reply by email)
.

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