Pyroelectric Infrared Radial Sensor - Olimex

Transcription

SENSOR MANUALPyroelectric InfraredRadial SensorTYPE: SB312Page 1 of 6

SENSOR MANUALDigital Intelligent Passive Infrared Sensor SB312SB312 is a new digital intelligent PIR sensor. This Smart digital detectoroffers a complete motion detector solution,with all electronic circuitry built intothe detector housing. Only a power supply and power switching componentsneed to be added to make the entire motion switch.Features and BenefitsDigital signal processing(DSP)Two way differential high impedance sensor input and temperaturecompensationBuilt in filter, screen the interference by other frequencySchmidt REL outputApplicationsUSB Alarms, PIR motion detection, Intruder detection, Occupancy detection,Motion sensor lights, Network camera, Car security system etc.DimensionPage 2 of 6

SENSOR MANUALTechnical Data1. Maximum RatingsSymbolMin.ValueMax.ValueUnitSupply VoltageVDD 0.33.6VWorking TemperatureTST 2085 Current into any pinInto 100100mAStorage TemperatureTST 40125 CharacteristicsRemarks,Except2.Working Conditions (T 25 C, Vdd 3V,,,other requirements)CharacteristicsSymbolMin. Type Max. UnitRemarksSupply VoltageVDD2.733.3VWorking CurrentIDD121520µASensitivity ThresholdValueVsens120µVNon adjustablemAVOL 1VmAVOH (VDD 1V)Non adjustableOutput RELOutput Low CurrentIOLOutput High CurrentREL Low Level OutputBlockade TimeREL High Level OutputDelay TimeIOH10 10TOL2.3sTOH2.3sOscillator & FilterLow pass filter cut offfrequency7HzHigh pass filter cut offfrequency0.44Hz64kHzOscillator frequency on ChipInterior Block DiagramPage 3 of 6FCLK

SENSOR MANUALTypical ApplicationNotes:This is only reference circuit for PIR Sensor SB312.Spectral Response of Window MaterialsPage 4 of 6

SENSOR MANUALNotice:The typical average transmissivity curve of 5.5µm pass IR filter is figured,which is vacuumed on silicon filter.View of FieldX-Y sectional viewYdetecting zoneNotes : 1.X-Y sectional view represent the detectingarea 。X2.Objects with temperature difference can beDetected in the vertical level.12m96Page 5 of 6336912m

SENSOR MANUALDirections for Use Pay attention to the mounting direction of the sensor’s element and the size of elementichnography. Combining with focus of Fresnel lens can achieve a optimal optics design. The ex factory parameter of sensor is gained by testing in the condition of standardBlack Body and the relevant circuit after one minute steadying time. The detecting distance of sensor is a multidimensional function, consisting of ambienttemperature, temperature of moving target , target distance of Fresnel Lens’, ambienthumidity , amplifier gain and comparison voltage. The welding shall be made at 4mm above as per the recommendation for lead wire ofsensor seat, and the welding should be completed in the shortest possible time. Do not touch the window by hand and the hard things directly. Strong shake and static should be avoided. This products are packed with the environmental protection material ,and the sensors’surface has been covered specially with OHK anti erode material,100pcs per smallpackage ,3000pcs per large package.Page 6 of 6

SENSOR MANUAL Page 2 of 6 Digital Intelligent Passive Infrared Sensor SB312 SB312 is a new digital intelligent PIR sensor. This Smart digital detector offers a complete motion detector solution,with all electronic circuitry built into the detector housing. Only a power supply and power switching components