GP2D150A Optoelectronic Device FEATURES • Factory set trigger point: 15° • Digital Output • Range: 4 to 30 cm 1 2 3 • Typical response time: 39 ms • Typical start up delay: 46 ms • Average current consumption: 33 mA PIN SIGNAL NAME DESCRIPTION 1 VO The GP2D150A is a distance measuring sensor with digital output. 2 GND 3 VCC GP2D150A-5 Figure 1. Pinout GND VCC PSD SIGNAL PROCESSING CIRCUIT VOLTAGE REGULATOR VCC OSCILLATOR CIRCUIT OUTPUT CIRCUIT LED DRIVE CIRCUIT LED 12 kΩ VO DISTANCE MEASURING IC GP2D150A-2 Figure 2. Block Diagram 1 Data Sheet GP2D150A ELECTRICAL SPECIFICATIONS Absolute Maximum Ratings Ta = 25°C, VCC = 5 VDC PARAMETER SYMBOL RATING UNIT Supply Voltage VCC -0.3 to +7.0 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 REMARKS Open collector output Operating Supply Voltage PARAMETER SYMBOL RATING UNIT Operating Supply Voltage VCC 4.5 to 5.5 V Electro-optical Characteristics Ta = 25°C, VCC = 5 VDC PARAMETER SYMBOL Measuring Distance Range ΔL Output Terminal Voltage CONDITIONS MIN. TYP. MAX. UNIT NOTES 3 — 30 cm 1, 3 VOH Output voltage at high level VCC -0.3 — — V 1 VOL Output voltage at low level — — 0.6 V 1 1, 2, 4 Output Distance Characteristics VO 12.5 15 17.5 cm Average Supply Current ICC — 33 50 mA NOTES: 1. Measurements made with Kodak R-27 Gray Card, using the white side, (90% reflectivity). 2. Each device is factory set for output switching at L = 15 cm ±2.5 cm. 3. Distance measuring range of the sensor optics. 4. Output switching has hysteresis. The distance specified by VO is the distance at which the output switches from LOW to HIGH. 5. L = Distance to reflective object. VCC (POWER SUPPLY) 38.3 ms ±9.6 ms DISTANCE MEASURMENT OPERATING 1st MEASUREMENT 2nd MEASUREMENT nth MEASUREMENT VO (OUTPUT) UNSTABLE OUTPUT 1st OUTPUT 2nd OUTPUT nth OUTPUT 7.6 ms ±1.9 ms GP2D150A-3 Figure 3. Timing Diagram 2 Data Sheet GP2D150A REALIABILITY The reliability of requirements of this device are listed in Table 1. Table 1. Reliability TEST ITEMS FAILURE JUDGEMENT CRITERIA TEST CONDITIONS SAMPLES (n), DEFECTIVE (C) Temperature Cycling One cycle -40°C (30 min.) to +70°C in 30 minutes, repeated 25 times 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 Operational Life (High Temperature) +60°C, VCC = 5 V, 500h Mechanical Shock 100 m / s2, 6.0 ms 3 times / ±X, ±Y, ±Z direction Initial × 0.8 > VO VO > Initial × 1.2 n = 11, C = 0 n = 11, C = 0 n = 6, C = 0 10-to-55-to-10 Hz i n 1 minute Variable Frequency Vibration Amplitude: 1.5 mm 2 h i n e a c h X, Y, Z direction n = 6, C = 0 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%. INCOMING 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. Table 2. Quality Level DEFECT INSPECTION ITEM/TEST METHOD AQL (%) 0.4 Major Defect Electro-optical characteristics defect Minor Defect Defect to appearance or dimensions (crack, split, chip, scratch, stain)* 1.0 NOTE: Any one of these that affects the Electro-optical Characteristics shall be considered a defect. 3 Data Sheet GP2D150A H→L OUTPUT [V] HIGH HYSTERESIS WIDTH LOW L→H 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 SET-UP DETECTION DISTANCE L = 15 ±2.5 cm DISTANCE TO REFLECTIVE OBJECT L (cm) GP2D150A-4 Figure 4. GP2D150A Example of Output Distance Characteristics 4 Data Sheet GP2D150A PACKAGE SPECIFICATIONS STAMP STAMP EXAMPLE GP2D150A 5 3 GP2D150A 84 Month (1 to 9, X, Y, Z) Year (2005 = 5) Model Name 37.0 29.5 4.5 (Note 1) 6.3 LIGHT DETECTOR SIDE 19.7 ±0.1 (Note 1) LENS CASE 2.0 +0.3 18.9 -0.3 8.4 13.0 R3.75 φ3.2 HOLE 7.2 LIGHT EMITTER SIDE φ3.2 HOLE R3.75 3.75 CONNECTOR 10.1 1.2 PCB 14.75 7.5 4.15 3.3 16.3 13.5 MATERIAL 2-1.5 1 2 3 Lens: Acrylic acid resin (Visible light cut-off resin) Case: Carbonic ABS (Electro-conductive resin) PCB: Paper phenol CONNECTOR SIGNAL PIN SIGNAL NAME NOTES: 1. Dimensions reference lens center. 2. Unspecified tolerances are ±0.3 mm. 3. Dimensions are in mm. 1 VO 2 GND 3 VCC Connector: J.S.T. Trading Company, LTD S3B-PH GP2D150A-1 5 Data Sheet GP2D150A PACKING SPECIFICATION 2 PAD (CORRUGATED CARDBOARD) (2 SHEETS/CASE: TOP AND BOTTOM) 3 PRODUCT TRAYS (10-TRAY/CASE) PRODUCT 4 PAD (CORRUGATED CARDBOARD) (9 SHEETS/CASE BETWEEN TRAYS) 1 PACKING CASE (B) TRAY 5 PACKING TAPE (A) PART NAME MATERIAL Packing case Corrugated cardboard Pad Corrugated cardboard Tray Polystyrene MODEL NUMBER (C) QUANTITY DATE 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 packing tape. (C) shows the location of the Model number, Quantity, and Inspection date. 4. Package weight: Approximately 4 kg. 6 GP2D150A-8 Data Sheet GP2D150A NOTES • Using the sensor with a mirror can induce measurement errors. Often, changing the incident angle on the mirror can correct this problem. • Keep the sensor lens clean. Dust, water, oil, and other contaminants can deteriorate the characteristics of this device. Applications should be designed to eliminate sources of lens contamination. • If a prominent boundary line exists in the surface being measured, it should be aligned vertically to avoid measurement error. See Figure 5 for further details. • 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. • When measuring the distance to objects in motion, align the sensor so that the motion is in the horizontal direction instead of vertical. Figure 6 illustrates the preferred alignment. • A 10 µF (or larger) bypass capacitor between VCC and GND near the sensor is recommended. • Objects in proximity to the sensor may cause reflections that can affect the operation of the sensor. • To clean the sensor, use a dry cloth. Use of any liquid to clean the device may result in decreased sensitivity or complete failure. • Sources of high ambient light (the sun or strong artificial light) may affect measurement. For best results, the application should be designed to prevent interference from direct sunlight or artificial light. • Excessive mechanical stress can damage the internal sensor or lens. (AVOID IF POSSIBLE) (PREFERRED) GP2D150A-6 Figure 5. Proper Alignment to Surface Being Measured (AVOID IF POSSIBLE) (PREFERRED) DIRECTION OF MOVEMENT DIRECTION OF MOVEMENT GP2D150A-7 Figure 6. Proper Alignment to Moving Surfaces 7 Data Sheet GP2D150A 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. Manufacturing locations are also subject to change without notice. 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