Is there an evaluation board and a spice model for the AD8422 to help me
accelerate the design and verification process?
Yes. The AD8422 is compatible with the EVAL-INAMP-82RZ (SOIC version) and the
EVAL-INAMP-82RMZ (MSOP version):
Samples of the AD8422 should be ordered separately from the product page. The
Spice model (developed in NI Multisim) can be found on the product page: