AK8775 Datasheet, PDF (3/10 Pages) Asahi Kasei Microsystems – Hall IC for Pulse Encoder

Pin/Function
[AK8775]
Pin No.
1
2
3
4
Pin name
VDD
OUTA
OUTB
VSS
Table 2. Description of pin name and function
I/O
Function
−
Power supply pin
O Output A pin. Relating to the vertical magnetic field
O Output B pin. Relating to the horizontal magnetic field
−
Ground pin
Note
CMOS output
CMOS output
Absolute Maximum Ratings
Table 3. Absolute maximum ratings
Parameter
Symbol
Min.
Max.
Unit
Power supply voltage
Output current
Storage temperature
V_DD
−0.3
+6.5
V
I_OUT
−0.5
+0.5
mA
T_STG
−40
+125
°C
Note) Stress beyond these listed values may cause permanent damage to the device.
Note
OUTA,OUTB pin
Recommended Operating Conditions
Table 4. Recommended operating conditions
Parameter
Symbol
Min.
Typ.
Max.
Unit
Power supply voltage
V_DD
1.6
3.0
5.5
V
Operating temperature
Ta
−30
+85
°C
Electrical Characteristics
Table 5. Electrical characteristics (Ta=25°C, V_DD = 3.0V)
Parameter
Symbol Min. Typ. Max. Unit
Note
Current consumption
I_DD
90
210
µA
Average
High level output Voltage
Low level output Voltage
Pulse drive period
Pulse drive duration time
V_OH
V_DD-0.4
V OUTA,OUTB pin,
I_OUT= −0.5mA
V_OL
0.4
V OUTA,OUTB pin,
I_OUT= +0.5mA
T_PD1
0.5
1.0
2.0
ms
T_PD2
12.2
24.4
48.8
µs
Note) Internal data is determined just before the internal circuit turns off. And after 6.1μs (Typ.), the output
changes.
MS1316-E-00
3
2011/July