GP2U06 Datasheet, PDF (2/2 Pages) Sharp Electrionic Components – High Sensitivity Dust Sensor

GP2U06
High Sensitivity Dust Sensor
Electro-optical Characteristics
(Ta=25˚C, Vcc=5V)
Parameter
Symbol Conditions
Detecting sensitivity
K *1, 2
Output voltage (no dust) V_OC *2
Range of output voltage VOH RL=4.7kΩ
LED operating current ILED LED terminal=0V *2
Dissipation current
ICC RL= *2
MIN.
0.35
0
3.2
-
-
TYP.
0.5
0.5
-
15
10
MAX. Unit
0.65 V/(0.1mg/m³)
1.0
V
-
V
20
mA
15
mA
*1 • Dust density is measured by mildseven smoke density, using digital dust meter [P-5L2 made by
SHIBATA scientific instrumental industry].
• Detecting sensitivity is settled according to the change of output voltage when dust density change
0.1mg/m³ from the initial value.
*2 Input conditions to LED terminal (pulse operation condition) is shown in the right figure.
Input condition to LED terminal
Vcc
R1
+ ^Tr
R3
R4
2
C1
LED
R2
T=30ms
Pw=0.4ms
GP2U06
Recommended input conditions to LED terminal
T=30±5ms
PW=0.4±0.1ms
Block Diagram
Detecting window
Dust
Emitting
circuit
Photodiode
circuit
Operation
circuit
4 Vcc
3
Emitting device
Operating terminal
Amp.
Peak hold
circuit
Sensitivity adjustment
Amp.
2 ^{Output terminal(Vo)}
1 GND
As of May 1997
Tec.U970502