GP2D02 Datasheet, PDF (2/4 Pages) Sharp Electrionic Components – Compact, High Sensitive Distance Measuring Sensor

GP2D02
s Electro-optical Characteristics
(Ta=25˚C,Vcc=5V)
Parameter
Distance measuring range
Output terminal voltage
Distance characteristics of output
Dissipation current
Vin terminal current
at operating
at OFF-state
Symbol
Conditions
MIN. TYP.
∆ L *1
10
-
V OH Output voltage at High L = 20cm VCC - 0.3 -
V OL Output voltage at Low *1
-
-
D L = 80cm, *1
-
75
∆ D Output change at L=80 cm to 20 cm, *1
48
58
ICC L = 20cm, *1, *2
-
22
I off L = 20cm, *1
-
3
Ivin Vin = 0V
- - 170
MAX.
80
-
0.3
-
68
35
8
- 280
Unit
cm
V
V
DEC
DEC
mA
µA
µA
Note) L : Distance to reflective object
DEC : Decimalized value of sensor output (8-bit serial)
*1 Reflective object : White paper (reflectivity : 90%)
*2 Average dissipation current value during distance measuring operation when detecting of input signal, Vin as shown in the timing chart
*3 Vin terminal : Open drain drive input.
Conditions : Vin terminal current at Vin OFF-state : -1 µ A
Vin terminal current at Vin ON-state : 0.3V
s Test Circuit
1. Test circuit
3
4
Distance measuring sensor
2
1
8-bit serial output read
Vin signal input
2. Vin input signal for measurement
0.1ms
0.1ms
70ms
1.6ms
2ms