AK8776 Datasheet, PDF (3/11 Pages) Asahi Kasei Microsystems – Hall IC for Pulse Encoder

Pin/Function
Pin No.
1
2
3
4
Pin name
VDD
F
D
VSS
Table 2. Description of pin name and function
I/O
Function
−
Power supply pin
O
Output F (Pulse) pin
O
Output D (Direction) pin
−
Ground pin
[AK8776]
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
F,D 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 V_OH V_DD-0.4
V
F,D pin, I_OUT= −0.5mA
Low level output Voltage V_OL
0.4
V
F,D pin, I_OUT= +0.5mA
Pulse drive period
T_PD1
0.5
1.0
2.0
ms
Pulse drive duration time 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.
MS1317-E-00
3
2011/July