Datasheet

Better sensitivity (approx. 2 times)
• Significantlyimprovedsensitivityduetoauniqueslitdesignforthe
pyroelectricelements.Theseparatedsensingareaspreventthermal
crosstalkbetweenthesinglesensingelements.
• Reliabledetectionevenifthetemperaturedifferencebetweenthe
background(e.g.floor/wall)andthetargetobject(human)issmall
(e.g.∆T=4°C).
Detection zone
Focal length
(Distance from element to lens)
Lens
Panasonic PIR
element size
0,6x0,6mm
Conventional PIR
element size
1,1x1,1mm
Small and fancy lens design
Asmallerlensscalecanberealizedthankstothespecialdesignofthesmallpyroelectricelements.
0,6mm
0,4mm
0,4mm
0,6mm
0,6mm
0,6mm
Panasonic PIR
element size
Additional notes:
Detection Performance
Dependingonthedifferenceintemperaturebetweenthebackgroundanddetectiontarget,thesesensorsmaybecapableofdetect-
ingtargetsbeyondthedetectiondistancesstatedinthedatasheet.Fordetailsrefertothedatasheet.
Output concept
ON
OFF
Power supply
Detection state
ON
OFF
Detection
No
detection
Sensor output
Circuit stability time
Vdd
GND
(Comparator
decision output)
Vdd
Voff
Vh
Vn
Vl
GND
2.5V
Circuit stability time
Body
movement
Threshold voltage 1
(comparator)
Threshold voltage 2
(comparator)
Power supply
Detection state
Detection
No
detection
Output waveform
V out
Timing chart(digitaloutput) Timing chart(analogoutput)
Note:Afterthepoweristurnedon,thesensorcircuitryneedssometimetostabilize.Duringthistime,thesensoroutputcanbeeither“on”or“off”,butthisisno
indicationofwhetherthesensorhasdetectedsomethingornot.Pleaseallowsufficienttimeforthecircuitrystabilizationbeforeexpectingareliabledetection
resultfromthesensor..
Slit design
Conventional PIR sensors
without slit design
Panasonic PIR sensors
with slit design
2013_12_18 - 1182euen_0913_nur_EN+Kommentare.indd 3 29.01.14 08:48