GP1A70R Datasheet, PDF (3/6 Pages) Sharp Electrionic Components – OPIC Photointerrupter with Encoder Functions

Fig. 3-a Duty Ratio vs. Frequency
(GP1A70R)
80
V_CC = 5V
I_F= 20mA
70
T_a= 25˚C
60
50
t _AH
t _AP
x 100 (Output A )
40
t _BH
t _BP
x 100 (Output B )
30
20
1
2
5
10
Frequency f ( kHz )
Fig. 4-a Phase Difference vs. Frequency
(GP1A70R )
130
V_CC = 5V
I_F= 20mA
120
T_a= 25˚C
110
100
θ _AB1=
t_AB1
t_AP
360˚
90
80
70
1
2
5
10
Frequency f ( kHz )
Fig. 5-a Duty Ratio vs.
Ambient Temperature
(GP1A70R )
80
V_CC = 5V
70
I_F= 20mA
f= 2.5kHz
60
50
t _AH
t _AP
x 100 (Output A )
40
t _BH
t _BP
x 100 (Output B )
30
20
0 10 20
30 40 50 60 70
Ambient temperature T _a (˚C)
GP1A70R/GP1A71R
Fig. 3-b Duty Ratio vs. Frequency
(GP1A71R)
80
V_CC = 5V
I_F= 20mA
70
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
2
5
10
Frequency f ( kHz )
Fig. 4-b Phase Difference vs. Freauency
(GP1A71R )
130
V_CC = 5V
I_F= 20mA
120
110
θ _AB1 =
t _AB1
t _AP
x 360˚
100
90
80
70
1
2
5
10
Frequency f ( kHz )
Fig. 5-b Duty Ratio vs.
Ambient Temperature
(GP1A71R )
80
V_CC = 5V
I_F= 20mA
70
f= 2.5kHz
60
t _AH
t _AP
x 100 (Output A )
50
40
t _BH
t _BP
x 100 (Output B )
30
20
0 10 20 30 40 50 60 70
Ambient temperature T _a (˚C)