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| GP2D02 GP2D02 s Features 1. Impervious to color and reflectivity of reflective object 2. High precision distance measurement output for direct connection to microcomputer 3. Low dissipation current at OFF-state (dissipation current at OFF-state : TYP. 3 A) 4. Capable of changing of distance measuring range through change the optical portion (lens) Compact, High Sensitive Distance Measuring Sensor s Outline Dimensions 23 Emitting portion (Unit : mm) Detecting portion 2-8 12 14 MAX.0.8 1 2 3 4 : : : : GND Vin VCC Vout VCC Reg VCC 12k Control circuit 4 : Vout 2 : Vin (Control signal input) .2 0 .15 R4 2g 4.5 0.2 4 g 20 0.2 29 37 2.7 1 JAPAN SOLDERLESS TERMINAL MSG. CO. made connector (S4B-ZR) Block Diagram 4 The dimensions marked with g are described as the dimensions of lens center position. 1 : GND 3 : VCC s Applications 1. Sanitary sensors 2. Human body sensors for consumer products such as electric fans and air conditioners 3. Garage sensors * PSD : Position Sensitive Detector Signal processing circuit Light detector (PSD*) LED drive circuit IR LED Reflective object VCC s Absolute Maximum Ratings Parameter Supply voltage *1 Input terminal voltage Output terminal voltage Operating temperature Storage temperature *1 Open drain operation input (Ta=25C, VCC =5V) Unit V V V C C Symbol Rating VCC - 0.3 to + 10 - 0.3 to + 3 Vin BVO - 0.3 to + 10 - 10 to + 60 T opr - 40 to + 70 T stg s Operating Supply Voltage Symbol VCC Rating 4.4 to 7 Unit V " 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." 2-1 2 - 15.4 2 - 1.5 14.4 GP2D02 s Electro-optical Characteristics Parameter Distance measuring range Output terminal voltage Distance characteristics of output Dissipation current Vin terminal current Note) L : Distance to reflective object DEC : Decimalized value of sensor output (8-bit serial) *1 Reflective object : White paper (reflectivity : 90%) *2 Average dissipation current value during distance measuring operation when detecting of input signal, Vin as shown in the timing chart *3 Vin terminal : Open drain drive input. Conditions : Vin terminal current at Vin OFF-state : -1 A Vin terminal current at Vin ON-state : 0.3V (Ta=25C,Vcc=5V) Symbol L V OH V OL D D ICC I off Ivin MIN. TYP. 10 Output voltage at High L = 20cm VCC - 0.3 Output voltage at Low *1 75 L = 80cm, *1 Output change at L=80 cm to 20 cm, *1 48 58 L = 20cm, *1, *2 22 L = 20cm, *1 3 Vin = 0V - 170 *1 Conditions at operating at OFF-state MAX. 80 0.3 68 35 8 - 280 Unit cm V V DEC DEC mA A A s Test Circuit 1. Test circuit 3 4 Distance measuring sensor 2 1 8-bit serial output read Vin signal input 2. Vin input signal for measurement 0.1ms 70ms 0.1ms 1.6ms 2ms GP2D02 s Timing Chart 70ms or more Vin 1.5ms or more 0.2ms or less 1ms or more 1.5ms or more Power OFF Output MSB LSB Example of distance measuring output (8-bit) LSB Fig. 1 Distance Measuring Output vs. Distance to Reflective Object 220 200 180 160 White Distance measuring output (DEC) White paper : KODAK made gray chart R-27, white surface (reflectivity : 90%) Gray paper : KODAK made gray chart R-27, gray surface (reflectivity : 18%) 140 120 100 80 60 40 20 0 0 20 40 60 80 100 120 140 Gray Distance to reflective object L (cm) GP2D02 Fig. 2 Detection Distance vs. Sensing Range 100 90 80 Sensing distance : 80 cm Test Method for Sensing Range Characteristics -X +X Detection distance L (cm) 70 Sensing distance : 50 cm 50 40 30 20 10 0 - 100 Sensing distance : 20 cm Reflective object White paper (reflectivity : 90%) Detecting portion Emitting portion Sensor 100 - 50 0 50 Sensing range X (mm) Fig. 3 Detection Distance vs. Illuminance 100 90 80 Test Method for Anti External Disturbing Light Characteristics Distance to reflective object Detection distance L (cm) 70 60 50 40 30 20 10 0 0 5000 10000 15000 20000 25000 30000 30cm 50cm Reflective object KODAK made white paper (reflectivity : 90%) Illuminance meter Sensing distance 60 Sensor 15cm Sunlight Illuminance (lx) |
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