TS12A12511: Strange behavior

Part Number: TS12A12511

I use TS12A12511 to modulate the voltage that sets the current (-2.5V - +2.5V).
At the moment on NC and NO I have 0V.

I noticed that my MCU was very warm.
Seems I have -5V on my input IN.
At the moment the open drain is on the MCU and there is no PWM.

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