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REFLECTIVE OBJECT SENSOR
QRE00034
PACKAGE DIMENSIONS
E 0.236 (6.00) + + D
E
+
D
+
0.492 (12.50)
2 1
0.331 (8.40)
0.197 (5.00)
3 4
0.314 (8.00)
SCHEMATIC
0.118 (3.00)
0.018 (0.46) SQ. (4X)
1
2
4
3
0.100 (2.54)
0.362 (9.20)
NOTES: 1. Dimensions for all drawings are in inches. 2. Tolerance of .010 on all non-nominal dimensions unless otherwise specified.
DESCRIPTION
The QRE00034 reflective object sensor consists of an infrared emitting diode and an NPN phototransistor mounted side by side on a converging optical axis in a black housing. The phototransistor responds to radiation from the emitting diode only when a reflective object passes in its field of view.
FEATURES
* Phototransistor output * No contact surface sensing * Daylight filter on the sensor * Emitter = 940 nm
2001 Fairchild Semiconductor Corporation DS300254 9/21/01
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REFLECTIVE OBJECT SENSOR
QRE00034
ABSOLUTE MAXIMUM RATINGS
Parameter Operating Temperature Storage Temperature Soldering Temperature (Iron)(2,3,4) Soldering Temperature EMITTER Continuous Forward Current Reverse Voltage Peak Forward Current Power Dissipation(1) SENSOR Collector-Emitter Voltage Power Dissipation(1) (Flow)(2,3) (TA = 25C unless otherwise specified) Symbol TOPR TSTG TSOL-I TSOL-F IF VR IFP PD VCEO PD Rating -40 to +85 -40 to +85 240 for 5 sec 260 for 10 sec 50 5 1 100 30 100 Units C C C C mA V A mW V mW
ELECTRICAL / OPTICAL CHARACTERISTICS
PARAMETER TEST CONDITIONS
(TA = 25C)
SYMBOL MIN TYP MAX UNITS
EMITTER Forward Voltage Reverse Current Peak Emission Wavelength SENSOR Dark Current Peak Sensitivity Wavelength COUPLED Collector Current Collector Emitter Saturation Voltage Rise Time Fall Time VCE = 5 V, RL = 100 IC(ON) = 5 mA tr tf -- -- 10 50 -- -- s s IF = 20 mA, VCE = 10 V(6,7) IF = 20 mA, IC = 0.5 mA IC(ON) VCE (SAT) 0.16 -- -- -- 2.00 0.4 mA V VCE = 10 V, IF = 0 mA VCE = 5 V ID
PS
IF = 20 mA VR = 5 V IF = 20 mA
VF IR
PE
-- -- -- -- --
-- -- 940 -- 880
1.7 100 -- 100 --
V A nm nA nm
NOTES
1. Derate power dissipation linearly 1.33 mW/C above 25C. 2. RMA flux is recommended. 3. Methanol or isopropyl alcohols are recommended as cleaning agents. 4. Soldering iron tip at 1/16" (1.6mm) from housing. 5. Pulse conditions: tp = 10 s; T = 1 ms. 6. Measured as an Eastman Kodak neutral white test card with 90% diffused reflectance as a reflecting surface. 7. 0.160" (4 mm) distance from sensor face to reflector surface.
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REFLECTIVE OBJECT SENSOR
QRE00034
TYPICAL PERFORMANCE CURVES
Fig. 1 Normalized Collector Current vs. Distance
IC(ON) - NORMALIZED COLLECTOR CURRENT
1.0 100
Fig. 2 Forward Current vs. Forward Voltage
0.8 Sensing Object90% reflective card 0.6 d 0
IF - FORWARD CURRENT (mA)
80
TA = 25C IF Pulsed Pulsed Width = 10 s Duty Cycle = 0.01%
60
0.4 Normalized to: highest value TA = 25C IF = 20 mA VCE = 5 V 0 1 2 3 4 5 6 7 8 9 10
40
0.2
20
0.0
0 1.0
1.1
1.2
1.3
1.4
1.5
1.6
d - DISTANCE (mm)
VF - FORWARD VOLTAGE (V)
IC(ON) - NORMALIZED COLLECTOR CURRENT
Fig. 3 Normalized Collector Current vs. Angle Deviation
3
Fig. 4 Collector Current vs. Forward Current
1.0
IC(ON) - COLLECTOR CURRENT (mA)
d = 3.5 mm d = 4.0 mm d = 4.5 mm Sensing Distance(with 90% reflective card) 2 VCE = 5 V TA = 25C
Sensing Object90% reflective card -q Normalized to: d = 4 mm @ 0 TA = 25C IF = 20 mA VCE = 5 V d = 3 mm d = 4 mm d = 5 mm q
E S
d 0
1
0.1 -20
0 -10 0 10 20 0 10 20 30 40 50
d - DISTANCE (mm)
IF - FORWARD CURRENT (mA)
Fig. 5 Normalized Collector Current vs. Ambient Temperature
IC(ON) - NORMALIZED COLLECTOR CURRENT
10
100
Fig. 6 Rise and Fall Time vs. Collector Current
tf
RL = 4.7
RISE AND FALL TIME (s)
tr
tf 10
1
RL = 1 K tr tf R = 470 L tr
VCC = 10 V tpw = 100 s T = 1 ms TA = 25C 1 0.1 1
tf tr
RL = 100
0 -40
-20
0
20
40
60
80
10
TA- AMBIENT TEMPERATURE (C)
IC (ON)- COLLECTOR CURRENT (mA)
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REFLECTIVE OBJECT SENSOR
QRE00034
Fig. 7 Collector Current vs. Collector to Emitter Voltage
5
Fig. 8 Collector Emitter Dark Current vs. Forward Current
6
VCE = 5 V TA = 25C Non-reflective material
IC (ON) - COLLECTOR CURRENT (mA)
4
IF = 50 mA IF = 40 mA
Sensing Distance(with 90% reflective card) 3 IF = 30 mA 2 IF = 20 mA 1 IF = 10 mA
ICEO - DARK CURRENT (nA)
d=3.5mm d=4.0mm d=4.5mm
5
4
3
2
1
0 0.1
1
10
0 10
20
30
40
50
VCE - COLLECTOR-EMITTER VOLTAGE (V)
IF - FORWARD CURRENT (mA)
Fig. 9 Forward Voltage vs. Ambient Temperature
IC(ON) - NORMALIZED COLLECTOR CURRENT
3 IF Pulsed Pulsed Width = 10 s Duty Cycle = 0.01% 2 IF = 100 mA IF = 50 mA IF = 20 mA 1 IF = 10 mA
Fig. 10 Normalized Collector Current vs. Distance d2
1.0 d = 3.5 mm d = 4.0 mm d = 4.5 mm 0.8
VF - FORWARD VOLTAGE (V)
TA = 25C IF = 20 mA VCE = 5 V
0.6 Sensing Object90% reflective card 0 d2 d1
S E
0.4
0.2
0 -40
0.0 0 1 2 3 4 5 6 7 8 9 10
-20
0
20
40
60
80
TA - AMBIENT TEMPERATURE (C)
d2 - DISTANCE (mm)
Fig. 11 Normalized Collector Current vs. Distance d2
IC(ON) - NORMALIZED COLLECTOR CURRENT
1.0 d = 3.5 mm d = 4.0 mm d = 4.5 mm 0.8
Fig. 12 Normalized Collector Current vs. Distance d2
IC(ON) - NORMALIZED COLLECTOR CURRENT
1.0 TA = 25C IF = 17 mA VCE = 5 V
TA = 25C IF = 20 mA VCE = 5 V
0.8
0.6 Sensing Object90% reflective card 0 d2 d1
E S
0.6 Sensing Object90% reflective card 0 d2 d1
0.4
0.4
0.2
0.2
0.0 0 1 2 3 4 5 6 7 8 9 10
0.0 0 1 2 3 4 5
d2 - DISTANCE (mm)
d2 - DISTANCE (mm)
Distancel d2(mm) vs Norm Ic(on) @ d1=3.3mm Distancel d2(mm) vs Norm Ic(on) @ d1=4.5mm
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REFLECTIVE OBJECT SENSOR
QRE00034
ANTISTATIC PLASTIC TUBE PACKING (50 PCS PER TUBE)
368.3 14.1 15.2 O3.1 (3X) 28.0 15.2 0.8 4.2
ANTISTATIC
13.6 4.2 8.8
5.2
184.15 CENTER MARKING LINE ( 2.0 WIDTH)
3.8
NOTES
1. Dimensions: All dimensions are in mm. 2. Color: Clear (Transparent). 3. Antistatic resistivity level: 105 - 1012 Ohm/sq. 4. Tolerance: 0.25 inches, unless otherwise specified.
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REFLECTIVE OBJECT SENSOR
QRE00034
DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body,or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in labeling, can be reasonably expected to result in a significant injury of the user. 2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
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