converting a digital signal

Evrard Tsafack Guest #5172920
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hello everyone ,
I have a question ie how to calculate the offset and the Multiplier for 
my 12 bit raw signal. I have a formula but I do not know if it is right.

Ue = Xd * Uref / 2^n

Ue ...Eingangssp
Xd ...dezimaler Ausgangswert
Uref...Referenzspg
n ...Quantisierungsstufen

I have this value for example

001000100010

Thanks in advance

regards
Evrard
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