I want to sample @ 256kSPS, single ended 0-5V signals. What buffer amplifiers should I use and how should they be connected? How do I set the AD7768 in "pseudo bipolar" mode?
Configuring the AD7768 into Pseudo Diff, you can connect either Ain+ or Ain- to a constant input voltage (0V to AVSS). In relation to the external buffers, I would recommend the ADA4896-2. This is also the buffer used in the AD7768 evaluation board and to is proven to work with the part.
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