Pyroelectric passive infrared sensor
1. FEATURES:
High sensitivity and superior SNR(signal-to noise ratio);
High stability for temperature change;
High anti-interference ability (For example: vibration, radio frequency interference).
2. APPLICATIONS
Security
Luminaire
Family and other fields
3. APPLICATIONS RANGE
This specification describes a pyroelectric passive infraredsensor for passive infrared sensor device.
4. TYPE OF SENSOR
Balanced differential type (Series opposed type.)
5.1 VISUAL INSPECTION
There are not remarkable wounds、spots、rust and etc.
TO-5 Package: see fig 1.
6. ELECTRICAL CHARACTERISTICS( AT 25℃ )
ITEM | CONDITION | RATING |
6.1 Signal Output | Black Body temperature: 420K Chopping Frequency: 1HZ, 0.3~ 3.5HZ f Vd=5V,Rs=47KΩ,the amplifier of Gain 72.5dB Measurement method shown in Fig2. |
>3000mVp-p |
6.2 Noise Output | Chopping Frequency: 1HZ, 0.3~ 3.5HZ f Vd=5V,Rs=47KΩ,the amplifier of Gain 72.5dB Measurement method shown in Fig2. |
< 70mVp-p |
6.3 Balance output | Black Body temperature: 420K Chopping Frequency: 1HZ, 0.3~ 3.5HZ f Vd=5V,Rs=47KΩ,the amplifier of Gain 72.5dB Measurement method shown in Fig2 and Fig3. VA = A Element sensitivity (Vp-p) VB = B Element sensitivity (Vp-p) |
|VA-VB|/(VA+VB) ×100%≤10% |
6.4 Operating Voltage | Single power supply RS=47KΩ |
2~15V |
6.5 Source Voltage | VD=5V,RS=47KΩ | 0.4~1.0V |
6.6 Circuit Configuration | See Fig.3 | |
6.7 Warm-up Time | After it conneted, it with the measurement amplifier for Fig.3 description that turns on the power supply beforehand, the amplification output is time until stabilizing. |
Max: 25 Sec |
7. OPTICAL CHARACTERISTICS
ITEM | RATING |
7.1 Field of View | 113 degrees from center of Element on Axis X. |
90 degrees from center of Element on Axis Y. | |
See Fig 5 | |
7.2Response wavelength band | Filter substrate:Silicon Cut on wavelength:5.5±0.5μm Transmission:7~14μm ≥75% |
7.3 Transmission Characteristics of filter | See Fig 6 |
8. ENVIRONMENTAL REQUIREMENTS
ITEM | RATING |
8.1Operating Tmeperature | -30~70 ℃ |
8.2Storage Temperatur | -40~80 º℃ |
8.3 Relative Humidity | The sensor shall operate without increase in Noise Output when exposed to 90 to 95% RH at 30℃ continuously |
8.4 Hermetic Seal | No bubbles visible in the 125±5℃ fluorocarbon bath(FC-40) for 20sec |
8.5 Reliability Test | Specified in Appendix 1( page13~14) |
9. ROHS COMPLIANCE
This product conforms to RoHS regulatin.
10. INSPECTION
10.1 Process inspection
100% inspection: Item 6.1 to 6.3 and 6.5 among the electric performances of item 6.
10.2 OUTGOING INSPECTION
Based on statistical sampling inspection method every manufacture lot is inspected for the electrical characteristics item 6.1to 6.3 ,6.5 of the Item 6,and item 5.1 and 5.3 of the appearance of item 5.
11. PACKING
The packaging is solid and there isn’t breakage
12. PROCESS ATFAILURE
In case of finding of failure incoming or process inspection after receipt of products, Both sides negotiate to deal with the failure
13. PRODUCTION GROUND
China
14. REVISION
Any revision of this specification should be made in writing by discussion.
FIG.1 Dimensions chart
Pyroelectric Passive Infrared sensor measurement method
TEST CONDITION
¨ Environmental temperature: 25ºC
B lack Body temperature: 420K
Chopping Frequency: 1HZ, 0.3~ 3.5HZ △f
the amplifier of Gain 72.5dB
F IG.2 PYROELECTRIC PASSIVE INFRARED SENSOR MEASUREMENT METHOD
BALANCE MEASUREMENT METHOD
F IG.3 BALANCE MEASUREMENT METHOD
Pyroelectric Passive Infrared sensor sensitivity balance is measured by testing the single unit sensitivity,and using the following equation.
Balance = |VA-VB|/(VA+VB) ×100%
VA = A Element sensitivity (Vp-p)
VB = B Element sensitivity (Vp-p)
TEST CIRCUIT CONFIGURATION
F IG.4 TEST CIRCUIT CONFIGURATION
FIELD OF VIEW
TYPICAL TRANSMISSION CHARACTERISTICS OF FILTER
FIG.6 TYPICAL TRANSMISSION CHARACTERISTICS OF FILTER
《Appendix》1 RELIABILITY TEST ITEM
when a doubt arises in the following test items,or when components have been changed,these tests are performed again after consultation by discussion.
ITEM | TEST CONDITION | RESULT |
Temperature:85℃ |
After testing finished,retest the sensor with naturally nomalized at room temperature for 3Hr
1.visual inspection: NO remarkable damage
2.Sensitivity: ±20% of initial value
3. Noise: +100mV of initial value | |
High Temperature storage | Time : 500 Hr | |
Temperature:-30℃ | ||
Low Temperature storage | Time : 500 Hr | |
Temperature:60℃ | ||
High Temperature & | humidity:90% | |
Humidity storage | Time : 500 Hr | |
Temperature:60℃ | ||
humidity:90% | ||
Thermal humidity bias | Time : 48 Hr | |
Voltage :5.0VDC | ||
Heat shock | -40 ℃, 30min-->25 ℃, 30min | |
-->85 ℃,30min*10cycles | ||
Vibration | Frequency :10~55HZ Total amplitude :1.5mm Vibration time:60min each of Z,Y,Z axis | |
ESD | Condition:C=200pf,R=0 ohm V=200V | |
Natural drop | Height :750mm | |
Drop times :3 次 3times | ||
Terminal pull Strength | Pull strength :19.5N | |
Hold time :5sec | ||
Soldering | temperature of solder:245℃ solder kind :Sn-Cu soaking time:3sec | |
temperature of solder tank:260±5℃ | ||
Solder Heatproof | soaking time:10 ± 1sec Dipping leads submerge into
| |
solder down to 3mm below stem |
Tin Whisker Test | Temperature:60℃ humidity:93% Time: 1000 Hr | |
Hermetic Seal | Soaking in the 125 ± 5 ℃ fluorocarbon bath(FC-40) for 20sec | No bubble visible |