GP1A70R Datasheet, PDF (4/6 Pages) Sharp Electrionic Components – OPIC Photointerrupter with Encoder Functions

Fig. 6-a Phase Difference vs. Ambient
Temperature
130
V_CC = 5V
120
I_F= 20mA
f= 2.5kHz
110
100
θ _AB1=
t_AB1
t_AP
x 360˚
90
80
70
0
10 20 30 40 50 60 70
Ambient temperature T_a (˚C)
Fig. 7-a Duty Ratio vs.
Distance (Xdirection )
(GP1A70R )
80
V_CC = 5V
I_F= 20mA
70
f= 2.5kHz
T_a= 25˚C
60
t _AH
50
t _AP ^{x 100 ( Output A )}
40
t _BH
t _BP
x 100 (Output B
)
30
20
- 1.0
0
1.0
Distance X ( mm ) ( Shifting encoder )
Fig. 8-a Phase Difference vs. Distance
( X direction )
(GP1A70R )
130
V_CC = 5V
I_F= 20mA
120
f= 2.5kHz
T_a= 25˚C
110
100
θ _AB1=
t_AB1
t_AP
x 360˚
Reference position
90
(-)
(+)
GP1A70R
80
70
- 1.0
Disk
0
1.0
Distance X ( mm ) ( Shifting encoder )
GP1A70R/GP1A71R
Fig. 6-b Phase Difference vs. Ambient
Temperature
130
V_CC = 5V
I_F= 20mA
120
f = 2.5kHz
110
θ _AB1=
t_AB1
t_AP
x 360˚
100
90
80
70
0 10 20 30 40 50 60 70
Ambient temperature T _a (˚C)
Fig. 7-b Duty Ratio vs.
Distance (X direction )
(GP1A71R )
80
V_CC = 5V
I_F= 20mA
70
f= 2.5kHz
T_a= 25˚C
60
t _AH
t _AP
x 100 (Output A
)
50
40
t _BH
t _BP
x
100
(Output B
)
30
20
- 1.0
0
1.0
Distance X ( mm) ( Shifting encoder )
Fig. 8-b Phase Difference vs. Distance
( X direction )
(GP1A71R )
140
V_CC = 5V
I_F= 20mA
130
f= 2.5kHz
T_a= 25˚C
120
θ _AB1=
t_AB1
t_AP
x 360˚
110
Reference position
100
( - ) (+)
GP1A71R
90
80
- 1.0
Disk
0
1.0
Distance X ( mm ) ( Shifting encoder)