AK8775 Datasheet, PDF (4/10 Pages) Asahi Kasei Microsystems – Hall IC for Pulse Encoder

[AK8775]
Magnetic Characteristics
The output OUTA and OUTB is determined by the applied magnetic field and threshold level BopV, BrpV, BopH
and BrpH as follows.
Table 6. Magnetic characteristics(Ta = 25°C, V_DD = 3.0V)
Parameter
Symbol Min. Typ. Max. Unit
Vertical magnetic field
operating point
BopV
1.5
4.0
mT
Vertical magnetic field
releasing point
BrpV
−4.0
−1.5
mT
Horizontal magnetic field
operating point
BopH
1.5
4.0
mT
Horizontal magnetic field
releasing point
BrpH
−4.0
−1.5
mT
Hysteresis
BhV, BhH
3.0
mT
(*1) Horizontal magnetic flux density is zero.
(*2) Vertical magnetic flux density is zero.
Note
(*1)
(*1)
(*2)
(*2)
(*1), (*2)
MS1316-E-00
4
2011/July