GP2D02 GP2D02 Compact, High Sensitive Distance Measuring Sensor ■ Features ■ Outline Dimensions connection to microcomputer 3. Low dissipation current at OFF-state φ3 Emitting portion .2 Detecting portion ±0 .15 R4 2❈ 4.5 ± 0.2 4 (dissipation current at OFF-state : TYP. 3 µA) (Unit : mm) MAX.0.8 2- 2-8 12 14 1. Impervious to color and reflectivity of reflective object 2. High precision distance measurement output for direct ❈ 20 ± 0.2 29 37 4. Capable of changing of distance measuring range 14.4 Block Diagram 4 1 2 3 4 2-1 1 JAPAN SOLDERLESS TERMINAL MSG. CO. made connector (S4B-ZR) 2 - 15.4 2 - 1.5 2.7 through change the optical portion (lens) GND Vin VCC Vout The dimensions marked with ❈ are described as the dimensions of lens center position. 3 : VCC 1 : GND VCC ■ Applications Reg 1. Sanitary sensors 2. Human body sensors for consumer products such as VCC 12kΩ Control circuit Signal processing circuit electric fans and air conditioners 3. Garage sensors * PSD : Position Sensitive Detector Light detector (PSD*) LED drive circuit IR LED VCC Reflective object ■ Absolute Maximum Ratings Parameter Supply voltage *1 Input terminal voltage Output terminal voltage Operating temperature Storage temperature (Ta=25˚C, VCC =5V) Symbol Rating V CC - 0.3 to + 10 - 0.3 to + 3 V in BVO - 0.3 to + 10 - 10 to + 60 T opr - 40 to + 70 T stg Unit V V V ˚C ˚C *1 Open drain operation input ■ Operating Supply Voltage Symbol V CC : : : : 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.” 4 : Vout 2 : Vin (Control signal input) GP2D02 ■ Electro-optical Characteristics Parameter Distance measuring range Symbol ∆L V OH V OL D ∆D ICC I off I vin Output terminal voltage Distance characteristics of output Dissipation current (Ta=25˚C,Vcc=5V) at operating at OFF-state Vin terminal current Conditions 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 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 µ A Vin terminal current at Vin ON-state : 0.3V ■ Test Circuit 1. Test circuit 3 4 8-bit serial output read 2 Vin signal input Distance measuring sensor 1 2. Vin input signal for measurement 0.1ms 70ms 0.1ms 1.6ms 2ms MAX. 80 0.3 68 35 8 - 280 Unit cm V V DEC DEC mA µA µA GP2D02 ■ Timing Chart 70ms or more 1.5ms or more 0.2ms or less 1ms or more 1.5ms or more Power OFF Vin Output MSB LSB Example of distance measuring output (8-bit) Fig. 1 Distance Measuring Output vs. Distance to Reflective Object White paper : KODAK made gray chart R-27, white surface (reflectivity : 90%) Gray paper : KODAK made gray chart R-27, gray surface (reflectivity : 18%) Distance measuring output (DEC) 220 200 180 160 White 140 120 100 80 60 Gray 40 20 0 0 20 40 60 80 100 120 Distance to reflective object L (cm) 140 LSB GP2D02 Fig. 2 Detection Distance vs. Sensing Range Test Method for Sensing Range Characteristics 100 - X + X Sensing distance : 80 cm 90 70 60 Reflective object White paper (reflectivity : 90%) Sensing distance : 50 cm 50 40 Detecting portion 30 Sensing distance Detection distance L (cm) 80 Emitting portion 20 10 Sensing distance : 20 cm 0 - 100 - 50 0 50 Sensor 100 Sensing range X (mm) Fig. 3 Detection Distance vs. Illuminance 100 Test Method for Anti External Disturbing Light Characteristics 90 Distance to reflective object Detection distance L (cm) 80 70 60 Reflective object KODAK made white paper (reflectivity : 90%) 50cm 50 Illuminance meter Sensor 40 30cm 30 20 Sunlight 15cm 10 0 0 5000 10000 15000 20000 25000 30000 Illuminance (lx)