GP1A70R Datasheet, PDF (5/6 Pages) Sharp Electrionic Components – OPIC Photointerrupter with Encoder Functions

Fig. 9-a Duty Ratio vs.
Distance (Ydirection )
(GP1A70R )
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 Y ( mm ) ( Shifting encoder )
Fig.10-a Phase Difference vs. Distance
( Y direction )
(GP1A70R )
130
V_CC = 5V
I_F= 20mA
120
f= 2.5kHz
T_a= 25˚C
110
θ _AB1=
t_AB1
t_AP
x 360˚
100
GP1A70R
90
( +)
Reference
position
80
(- )
70
- 1.0
Disk
0
1.0
Distance Y ( mm) ( Shifting encoder)
Fig.11-a Duty Ratio vs.
Distance (Z direction )
(GP1A70R )
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
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
Distance Z ( mm ) ( Shifting encoder)
GP1A70R/GP1A71R
Fig. 9-b Duty Ratio vs.
Distance (Y 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 Y ( mm ) ( Shifting encoder)
Fig.10-b Phase Difference vs. Distance
( Y 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
GP1A71R
100
( +)
Reference
90
position
(- )
80
- 1.0
Disk
0
1.0
Distance Y ( mm ) ( Shifting encoder )
Fig.11-b Duty Ratio vs.
Distance (Z 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
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0.1
Distance Z ( mm ) ( Shifting encoder )