GP2U05 Particulate Detectable High Sensitivity Type Dust Sensor GP2U05 ■ Features ■ Outline Dimensions (Unit : mm) 3 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 2-R3 48 11 φ 10 1 2 3 4 5 2-24 2-8 2- φ 3.2 ± 0.1 hole 2-R4 (Dust passing hole) ■ Applications 65 ± 0.2 73.2 4 JAPAN SOLDERLESS TERMINAL MSG. CO. made connector (S5B-PH-SM) 2-2 31.2 1. Air cleaners 2. Air conditioners 29 Terminal connection 1 Frame GND Hole for sensitivity adjustment VR 4 LED drive terminal 5 VCC * Unspecified tolerance : ± 0.3 mm ■ 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 2 Output terminal(Vo) 3 Signal GND (Ta=25˚C) Unit V V ˚C ˚C Remarks Open drain operation input - • Operating Supply Voltage Symbol VCC Rating 12 ± 1.8 Unit V Remarks - ■ 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=4.7kΩ ILED LED terminal=0V,*2 *2 ICC RL= (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 *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. T=30ms Vcc Pw=0.4ms R1 R3 R4 + Tr 4 C1 LED R2 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 ■ Internal Block Diagram 5 Vcc Emitter circuit Detection window Drive circuit 4 LED drive terminal 3 Signal GND Detector circuit Amp. circuit Amp. circuit Peak hold circuit 2 Output terminal (Vo) Sensitivity adjustment Dust 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 Fig. 2 Output Voltage vs. Supply Voltage 12 4.5 4 Output voltage VO (V) Output voltage VO (V) 10 8 6 Conditions : 4 Per Electro-optical 3.5 3 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) 2.5 1.5 1 No-dust state Characteristics 2 0.5 0 0.2 0.4 0.6 0.8 1.0 Dust concentration (mg/m 3 ) 3.5 Output voltage VO (V) 3 State with reflective object inserted from sensor outside and output voltage set to Vo=3.6V (at Ta=25˚C)(equivalent to dust concentration of about 0.22 mg/m3) 1.5 1 No-dust state 0.5 - 10 0 10 20 30 40 50 Ambient temperature Ta (˚C ) 11 12 13 14 Supply voltage Vcc (V) Fig. 3 Output Voltage vs. Ambient Temperature 2.5 10 60 15