To get around the price, contact TI or Analog Devices Marketing, tell them you are a college student and need a couple 16 bit A/D with mux for your project... National Semiconductor used to send out sample packs of 5 devices for free to Engineering students. It will help if you know the part number that you need. I don't know if that is still the case, but it doesn't hurt to ask. They did this to foster a relationship with potential future Design/Device Engineers that could be ordering thousands of devices later in their career.
It's a device for my employer, so $10-15 per piece is fine, we only need a few. But I will see if I can get a "sample" from our reps, will see what they have.
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