GP2Y0A21YK-DATA-SHEET

1 Data Sheet GP2Y0A21YK Optoelectronic Device FEATURES • Digital Output • LED Pulse Cycle Duration: 32 ms • Range: 10 to 80 cm • Typical response time: 39 ms • Typical start up delay: 44 ms • Average Current Consumption: 30 mA • Detection Area Diameter @ 80 cm: 12 cm DESCRIPTION The GP2Y0A21YK is a wide-angle distance mea- suring sensor. Figure 1. Pinout 1 3 1 VO VCC GND2 3 2 SIGNAL NAMEPIN GP2Y0A21YK-8 Figure 2. Block Diagram GP2Y0A21YK-4 SIGNAL PROCESSING CIRCUIT PSD LED GND VCC Vo DISTANCE MEASURING IC LED DRIVE CIRCUIT VOLTAGE REGULATOR OSCILLATOR CIRCUIT OUTPUT CIRCUIT GP2Y0A21YK 2 Data Sheet ELECTRICAL SPECIFICATIONS Absolute Maximum Ratings Ta = 25°C, VCC = 5 VDC Operating Supply Voltage Electro-optical Characteristics Ta = 25°C, VCC = 5 VDC NOTES: 1. Using reflective object: white paper (made by Kodak Co. Ltd.) gray cards R-27, white face, reflective ratio: 90% 2. L = Distance to reflective object. PARAMETER SYMBOL RATING UNIT Supply Voltage VCC -0.3 to +7 V Output Terminal Voltage VO -0.3 to (VCC +0.3) V Operating Temperature Topr -10 to +60 °C Storage Temperature Tstg -40 to +70 °C PARAMETER SYMBOL RATING UNIT Operating Supply Voltage VCC 4.5 to 5.5 V PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. UNIT NOTES Measuring Distance Range ΔL 10 - 80 cm 1, 2 Output Terminal Voltage VO L = 80 cm 0.25 0.4 0.55 V 1, 2 Output Voltage Difference ΔVO Output change at ΔL(80 cm - 10 cm) 1.65 1.9 2.15 V 1, 2 Average Supply Current ICC L = 80 cm - 30 40 mA 1, 2 Figure 3. Timing Diagram 38.3 ms ±9.6 ms 5.0 ms MAX. 1st MEASUREMENT VCC (POWER SUPPLY) VO (OUTPUT) DISTANCE MEASURMENT OPERATING 2nd MEASUREMENT nth MEASUREMENT UNSTABLE OUTPUT 1st OUTPUT 2nd OUTPUT nth OUTPUT GP2Y0A21YK-5 GP2Y0A21YK 3 Data Sheet REALIABILITY The reliability of requirements of this device are listed in Table 1. NOTES: 1. Test conditions are according to Electro-optical Characteristics, shown on page 2. 2. At completion of the test, allow device to remain at nominal room temperature and humidity (non-condensing) for two hours. 3. Confidence level: 90%, Lot Tolerance Percent Defect (LTPD): 20% /40%. MANUFACTURER’S INSPECTION Inspection Lot Inspection shall be carried out per each delivery lot. Inspection Method A single sampling plan, normal inspection level II based on ISO 2859 shall be adopted. NOTE: *Any one of these that affects the Electro-optical Characteristics shall be considered a defect. Table 1. Reliability PARAMETER TEST CONDITIONS FAILURE JUDGEMENT CRITERIA SAMPLES (n), DEFECTIVE (C) Temperature Cycling One cycle -40°C (30 min.) to +70°C in 30 min- utes, repeated 25 times Initial × 0.8 > ΔVOΔVO > Initial × 1.2 n = 11, C = 0 High Temperature and High Humidity Storage +40°C, 90% RH, 500h n = 11, C = 0 High Temperature Storage +70°C, 500h n = 11, C = 0 Low Temperature Storage -40°C, 500h n = 11, C = 0 Operation Life (High Temperature) +60°C, VCC = 5 V, 500h n = 11, C = 0 Mechanical Shock 100 m/s 2 , 6.0 ms 3 times/±X, ±Y, ±Z direction n = 6, C = 0 Variable Frequency Vibration 10-to-55-to-10 Hz in 1 minute Amplitude: 1.5 mm 2h in each X, Y, Z direction n = 6, C = 0 Table 2. Quality Level DEFECT INSPECTION ITEM/TEST METHOD AQL (%) Major Defect Electro-optical characteristics defect 0.4 Minor Defect Defect on appearance and dimension (crack, split, chip, scratch, stain)* 1.0 GP2Y0A21YK 4 Data Sheet Figure 4. GP2Y0A021YK Example of Output Distance Characteristics NOTES: 0 0 0.5 1 1.5 2 2.5 3 3.5 White paper (Reflectance ratio 90%) Gray paper (Reflectance ratio 18%) 10 20 30 40 50 60 70 80 AN AL O G V O LT AG E O UT PU T (V ) DISTANCE TO REFLECTIVE OBJECT (cm) GP2Y0A21YK-6 GP2Y0A21YK 5 Data Sheet Figure 5. GP2Y0A021YK Example of Output Characteristics with Inverse Number of Distance NOTES: White paper (Reflectance ratio 90%) Gray paper (Reflectance ratio 18%) 0.5 1 1.5 2 2.5 3 3.5 0 0 0.05 0.1 0.15 0.2 INVERSE NUMBER OF DISTANCE (1/cm) AN AL O G V O LT AG E O UT PU T (V ) 80 cm 50 cm 30 cm 25 cm 20 cm 15 cm 10 cm 8 cm 7 cm 6 cm 5 cm 40 cm GP2Y0A21YK-7 GP2Y0A21YK 6 Data Sheet PACKAGE SPECIFICATIONS φ3.2 HOLE φ3.2 HOLE STAMP R3.75 LIGHT DETECTOR SIDE R3.75 PCB CONNECTOR LIGHT EMITTER SIDE STAMP EXAMPLE 2Y0A21 5 3 Month (1 to 9, X, Y, Z) Year (2005:5) Model Name 10.1 3.75 7. 2 8. 4 13 .0 ( ) 37.0 2.0 6.3 LENS CASE 29.5 20 ±0.1 (Note 1)4.5 (Note 1) 14.75 7.5 16.34.15 13 .5 2- 1. 5 1.2 3.3 2Y0A21 13 18 . 9+ 0. 3 - 0. 3 1 3 1 VO Connector: J.S.T. Trading Company, LTD S3B-PH VCC GND2 3 2 NOTES: 1. Dimensions shall reference lens center. 2. Unspecified tolerance shall be ±0.3 mm. 3. ( ): Reference value. 4. Scale: 2/1, dimensions are in mm. GP2Y0A21YK-3 SIGNAL NAMEPIN CONNECTOR SIGNAL MATERIAL Lens: Acrylic acid resin (Visible light cut-off resin) Case: Carbonic ABS (Electro-conductive resin) PCB: Paper phenol GP2Y0A21YK 7 Data Sheet PACKING SPECIFICATION TRAY PACKING METHOD 1. Each tray holds 50 pieces. Packing methods are shown in (A). 2. Each box holds 10 trays. Pads are added to top and bottom, and between layers, as in (B). top and bottom. Put pads between each tray (9 pads total) see above drawing (B). 3. The box is sealed with craft tape. (C) shows the location of the Model number, Quantity, and Inspection date. 4. Package weight: Approximately 4 kg. MODEL NUMBER PACKING TAPE PRODUCT TRAYS (10-TRAY/CASE) PRODUCT PAD (CORRUGATED CARDBOARD) (9 SHEETS/CASE BETWEEN TRAYS) PAD (CORRUGATED CARDBOARD) (2 SHEETS/CASE: TOP AND BOTTOM) PACKING CASE QUANTITY DATE 2 3 4 1 5 (A) (B) (C) PART NAME Packing case Corrugated cardboard Pad Corrugated cardboard Tray Polystyrene MATERIAL GP2Y0A21YK-9 GP2Y0A21YK 8 Data Sheet NOTES • Keep the sensor lens clean. Dust, water, oil, and other contaminants can deteriorate the characteris- tics of this device. Applications should be designed to eliminate sources of lens contamination. • When using a protective cover over the emitter and detector, ensure the cover efficiently transmits light throughout the wavelength range of the LED (λ = 850 nm ± 70 nm). Both sides of the protective cover should be highly polished. Use of a protective cover may decrease the effective distance over which the sensor operates. Ensure that any cover does not negatively affect the operation over the intended application range. • Objects in proximity to the sensor may cause reflec- tions that can affect the operation of the sensor. • Sources of high ambient light (the sun or strong arti- ficial light) may affect measurement. For best results, the application should be designed to pre- vent interference from direct sunlight or artificial light. • Using the sensor with a mirror can induce measure- ment errors. Often, changing the incident angle on the mirror can correct this problem. • If a prominent boundary line exists in the surface being measured, it should be aligned vertically to avoid measurement error. See Figure 6 for further details. • When measuring the distance to objects in motion, align the sensor so that the motion is in the horizontal direction instead of vertical. Figure 7 illustrates the preferred alignment. • A 10 µF (or larger) bypass capacitor between VCC and GND near the sensor is recommended. • To clean the sensor, use a dry cloth. Use of any liq- uid to clean the device may result in decreased sen- sitivity or complete failure. • Excessive mechanical stress can damage the internal sensor or lens. Figure 6. Proper Alignment to Surface Being Measured Figure 7. Proper Alignment to Moving Surfaces GP2Y0A21YK-1 (AVOID IF POSSIBLE) (PREFERRED) GP2Y0A21YK-2 DIRECTION OF MOVEMENT DIRECTION OF MOVEMENT (AVOID IF POSSIBLE) (PREFERRED) GP2Y0A21YK NOTICE The circuit application examples in this publication are provided to explain representative applications of SHARP devices and are not intended to guarantee any circuit design or license any intellectual property right. SHARP takes no responsibility for any problems related to any intellectual property right of a third party resulting from the use of SHARP devices. SHARP reserves the right to make changes in the specifications, characteristics, data, materials, structures and other contents described herein at any time without notice in order to improve design or reliability. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device. Manu- facturing locations are also subject to change without notice. In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that occur in equipment using any SHARP devices shown in catalogs, data books, etc. The devices listed in this publication are designed for standard applications for use in general electronic equip- ment. SHARP’s devices shall not be used for or in connection with equipment that requires an extremely high level of reliability, such as military and aerospace applications, telecommunication equipment (trunk lines), nuclear power control equipment and medical or other life support equipment (e.g. Scuba). SHARP takes no responsibility for dam- age caused by improper use of device, which does not meet the conditions for use specified in the relevant specifi- cation sheet. If the SHARP devices listed in the publication fall within the scope of strategic products described in the Foreign Exchange and Foreign Trade Law of Japan, it is necessary to obtain approval to export such SHARP devices. This publication is the proprietary product of SHARP and is copyrighted, with all rights reserved. Under the copy- right laws, no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical for any purpose, in whole or in part, without the express written permission of SHARP. Express written permission is also required before any use of this publication may be made by a third party. Contact and consult with a SHARP representative if there are any questions about the contents of this publication. ©2005 by SHARP Corporation Reference Code SMA05008 SHARP CORPORATION SALES & MARKETING GROUP ELECTRONIC COMPONENTS & DEVICES 22-22 NAGAIKE-CHO, ABENO-KU, OSAKA 545-8522, JAPAN PHONE: (81) 6-6621-1221 FAX: (81) 6117-725300, 6117-725301, 6117-725302 http://sharp-world.com/products/device Specifications are subject to change without notice. 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