What a model of ADC and DAC is used in AD9361?
Models of AD9361 are available from MathWorks in the form of a support package using SimRF. You can simulate and verify RF performance with SimRF models of AD9361 RF transceiver, and predict the impact of RF imperfections on your test signals.
https://www.mathworks.com/hardware-support/analog-devices-rf-transceivers.html
https://wiki.analog.com/resources/eval/user-guides/ad-fmcomms2-ebz/software/simrf
On-line tutorial here: https://products.avnet.com/wps/portal/ema/event/software-defined-radio-picozed-sdr-speedway-workshop-2015/ 'Day 1 AM Lab: AD9361 System-Level Model Lab'