The analog amplifier exists in 0BA5.
But you have to find it.

When programming without software, you have to program backwards - from the output towards the input).

AI1 <-- an.amp. <-- AQ1

In edit mode go to
1) AQ1 or AQ2(analog output).
2) press OK
3) select AF (analog function)
4) press OK
5) choose analog amplifier (here you will find it )
6) press OK 2x
7) Choose Co (Connector)
8) select the AI where your sensor is connected
9) press OK
10) press OK again, if you want to edit the parameters

Try to see where the underline is blinking,this iswhat you acknowledge with OK !