Here is a bit of netlist code that uses the part. Almost everyone here
prefers a schematic (.asc), but plain netlists work too.
Vdd Vdd 0 2.5V
Vss Vss 0 -2.5V
Vsig sig 0 sine (0V 1V 1kHz) AC 1V
Rin sig inp 1k
Rfb out inn 5k
Rg inn 0 5k
X1 inp inn vdd vss out mcp63x
.tran 100ms
*.ac dec 10 1Hz 100MEGHz
And of course you need a Title line and an .END line, and your model.
Andy