Test condition for ALC AC normally is 1uA exposure, 0-30uA AMB. Test frequency is 30-120 in Maxim datasheet. Some customer requests 7Hz.
We need two measurements, one for exposure and the other one for AMB at the same time.
AMB measures for amplitude before cancellation. and exposure meas calculates amplitude after cancellation.
The cancellation ratio should be around 70-110dB depends to AFE settings and test setup.