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| GP2U05 GP2U05 s Features 1. High sensitivity (Dust detection sensitivity : 1 V/(0.1 mg/m ) 2. Particulates of low concentration can be detected. Lowest detectable dust concentration : TYP. 0.05 mg/m 3 3. Popular type 3 Particulate Detectable High Sensitivity Type Dust Sensor s Outline Dimensions 2-R3 2- 3.2 0.1 hole 2-R4 11 48 1 2 3 4 5 (Unit : mm) 2-8 10 (Dust passing hole) s Applications 1. Air cleaners 2. Air conditioners 65 0.2 73.2 29 4 2-24 Terminal connection 1 Frame GND JAPAN SOLDERLESS TERMINAL MSG. CO. made connector (S5B-PH-SM) 2-2 31.2 Hole for sensitivity adjustment VR 2 Output terminal(Vo) 3 Signal GND 4 LED drive terminal 5 VCC * Unspecified tolerance : 0.3 mm s Absolute Maximum Ratings Parameter Supply voltage Input terminal voltage Operating temperature Storage temperature Symbol VCC VLED Topr Tstg Rating - 0.3 to+15 - 0.3 to+15 - 10 to+65 - 20 to+80 Unit V V C C Remarks (Ta=25C) Open drain operation input - * Operating Supply Voltage Symbol VCC Rating 12 1.8 Unit V Remarks (Ta=25 C,Vcc=5V) MIN. 0.7 0.1 Vcc - 1.8 TYP. 1.0 1.0 15 12 MAX. 1.3 3.0 20 20 Unit V/(0.1mg/m3) V V mA mA Vcc R1 R3 R4 + C1 LED R2 Tr 4 T=30ms Pw=0.4ms s Electro-optical Characteristics Parameter Detection sensitivity Output voltage at no dust Output voltage range LED drive current Dissipation current Symbol Conditions *1 *2 K *2 VOC VOH RL=4.7k ILED LED terminal=0V,*2 *2 ICC RL= *1 * Dust concentration shall be a value of the cigarette (MILD SEVEN) smoke concentration measured using the digital dust densitometer (SHIBATA KAGAKU KOGYO CO. LTD. made P-5L2). * Detection sensitivity K represents the change of output voltage when dust concentration changes by 0.1 mg/m 3. *2 Input conditions (pulse drive conditions) to LED input terminal shall be as shown in the right drawing. GP2U05 " In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that occur in equipment using any of SHARP's devices, shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest version of the device specification sheets before using any SHARP's device." GP2U05 s Internal Block Diagram 5 Vcc Detection window Emitter circuit Drive circuit 4 LED drive terminal 3 Signal GND Detector circuit Dust Amp. circuit Peak hold circuit Amp. circuit 2 Output terminal (Vo) Sensitivity adjustment 1 Frame GND (Note) Signal GND : GND of circuit system Frame GND : Connect to the case (conductive resin). The signal GND is not connected to the frame GND in the case Fig. 1 Output Voltage vs. Dust Concentration 12 Fig. 2 Output Voltage vs. Supply Voltage 4.5 4 3.5 3 2.5 1.5 1 0.5 State with reflective object inserted from sensor outside and output voltage set to Vo=3.5V (at Vcc=12V)(equivalent to dust concentration of about 0.24 mg/m3) 10 Output voltage VO (V) 8 6 4 Conditions : Per Electro-optical Output voltage VO (V) 2 Characteristics No-dust state 0 0.2 0.4 0.6 0.8 1.0 10 11 12 13 14 15 Dust concentration (mg/m 3 ) Supply voltage Vcc (V) Fig. 3 Output Voltage vs. Ambient Temperature 3.5 3 Output voltage VO (V) 2.5 1.5 1 State with reflective object inserted from sensor outside and output voltage set to Vo=3.6V (at Ta=25C)(equivalent to dust concentration of about 0.22 mg/m3) No-dust state 0.5 - 10 0 10 20 30 40 50 60 Ambient temperature Ta (C ) |
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