GP1A70R Datasheet, PDF (2/6 Pages) Sharp Electrionic Components – OPIC Photointerrupter with Encoder Functions

GP1A70R/GP1A71R
s Electro-optical Characteristics
( Ta = 25˚C unless otherwise specified )
Input
Output
Transfer
charac-
teristics
Parameter
Symbol
Forward voltage
VF
Reverse current
IR
Operating supply voltage
VCC
High level output voltage
VOH
Low level output voltage
VOL
Supply current
ICC
Duty ratio
GP1A70R
GP1A71R ^{*5DA , D B}
Response frequency
f MAX.
Conditions
IF = 20mA, Ta= 25˚C
VR= 3V, Ta= 25˚C
*3_{V CC= 5V, I F= 20mA}
*3_{IOL= 8mA, VCC= 5V, I F= 20mA}
*4_{V CC= 5V, I F= 20mA}
*3_{VCC= 5V, I F= 20mA, f = 2.5kHz}
*3_{V CC= 5V, I F= 20mA}
MIN. TYP. MAX. Unit
-
1.2
1.4
V
-
-
10
µA
4.5
5.0
5.5
V
2.4
4.9
-
V
-
0.1
0.4
V
-
5
20
mA
25
50
75
%
25
50
75
%
-
-
10
kHz
*3 Measured under the condition shown in Measurement Conditions.
*4 In the condition that output A and B are low level.
*5 D A:
t AH
t AP
x 100, DB :
t BH
t BP
x 100, Duty ratio : Average disk rotation time per turn
s Output Waveforms
Output A
( V_OA)
Output B
( V_OB)
t_AH
t_AP
t_AB1
t_BH
t_BP
Rotational direction : Counterclockwise when seen
from OPIC light detector
Fig. 1 Forward Current vs. Ambient
Temperature
60
50
40
30
20
10
0
0
25
50
70 75
100
Ambient temperature T_a (˚C)
Fig. 2 Output Power Dissipation vs.
Ambient Temperature
300
250
200
150
100
50
0
0
25
50
70 75
100
Ambient temperature T_a (˚C)