GP2D12/GP2D15 GP2D12/GP2D15 General Purpose Type Distance Measuring Sensors ■ Features ■ Outline Dimensions 6.3 Lens case R3.75 φ3.2 hole 3.75 Light emitter side 10.1 4.15 1 16.3 3 Connector 1.2 Made by 3.3 J.S.T. MFG, CO., LTD. S3B-PH 13 2 +0.5 18.9−0.3 R3.75 7.5 1. TVs 2. Personal computers 3. Cars 4. Copiers Light detector side 8.4 7.2 4.5 φ3.2 hole 14.75 ■ Applications PWB Terminal connection ■ Absolute Maximum Ratings (Ta=25°C, Vcc=5V) Parameter Supply voltage Output terminal voltage Operating temperature Storage temperature ★ 37 29.5 ★20±0.1 2-1.5 13.5 1. Less influence on the color of reflective objects, reflectivity 2. Line-up of distance output/distance judgement type Distance output type (analog voltage) : GP2D12 Detecting distance : 10 to 80cm Distance judgement type : GP2D15 Judgement distance : 24cm (Adjustable within the range of 10 to 80cm) 3. External control circuit is unnecessary 4. Low cost (Unit : mm) Symbol Rating −0.3 to +7 VCC VO −0.3 to Vcc +0.3 Topr −10 to +60 −40 to +70 Tstg Unit V V °C °C ❈ The dimensions marked ★ are described the dimensions of lens center position. ❈ Unspecified tolerance : ±0.3mm 1 2 3 VO GND VCC Notice In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device. Internet Internet address for Electronic Components Group http://www.sharp.co.jp/ecg/ GP2D12/GP2D15 ■ Recommended Operating Conditions Parameter Operating supply voltage Symbol VCC Rating 4.5 to +5.5 Unit V ■ Electro-optical Characteristics Parameter Distance measuring range GP2D12 Output terminal voltage GP2D15 Difference of output voltage GP2D12 Distance characteristics of output GP2D15 Average Dissipation current Symbol ∆L VO VOH VOL ∆VO VO ICC MIN. 10 0.25 Conditions *1 *3 L=80cm *1 *1 Output voltage at High *1 Output voltage at Low Output change at L=80cm to 10cm *1 *1 *2 *4 L=80cm *1 Vcc −0.3 − 1.75 21 − TYP. − 0.4 − − 2.0 24 33 (Ta=25°C, VCC=5V) MAX. Unit 80 cm V 0.55 − 0.6 2.25 27 50 V V V cm mA Note) L : Distance to reflective object. *1 Using reflective object : White paper (Made by Kodak Co. Ltd. gray cards R-27 ⋅ white face, reflective ratio ; 90%). *2 We ship the device after the following adjustment : Output switching distance L=24cm±3cm must be measured by the sensor. *3 Distance measuring range of the optical sensor system. *4 Output switching has a hysteresis width. The distance specified by Vo should be the one with which the output L switches to the output H. Fig.1 Internal Block Diagram Fig.2 Internal Block Diagram GP2D12 GP2D15 VCC 5V GND PSD Signal processing circuit PSD Signal processing circuit Voltage regulator Oscillation circuit LED drive circuit LED VCC 5V GND Voltage regulator Oscillation circuit Vo Analog output Output circuit LED drive circuit LED Distance measuring IC Output circuit Distance measuring IC Fig.3 Timing Chart VCC (Power supply) 38.3ms±9.6ms Distance measuring operation First measurment VO (Output) Unstable output Second measurment First output nth measurment Second output 5.0msMAX.(GP2D12) 7.6ms±1.9msTYP.(GP2D15) nth output VCC 12kΩ Vo Digital output GP2D12/GP2D15 Fig.4 Distance Characteristics GP2D15 (Detection) H L Output (V) Output H Hystersis width L Output L (Non detection) H 0 5 10 15 20 25 Output switching point distance L=24±3cm 30 35 40 45 50 55 60 65 70 75 80 Distance to reflective object L (cm) Fig.5 Analog Output Voltage vs. Surface Illuminance of Reflective Object GP2D12 3.0 2.8 L=10cm 2.4 Light source equivalent to sun light Reflective object Kodak Co., Ltd. gray cards R-27 (reflective ratio : 90%) illuminance meter 2.0 1.6 GP2D12 L=30cm 1.2 0.8 Analog output voltage VO (V) Analog output voltage VO (V) 3.0 2.8 Fig.6 Analog Output Voltage vs.Distance to Reflective Object GP2D12 Draft White Gray 2.4 2.0 1.6 1.2 Gray 0.8 0.4 0.4 L=60cm White 0 0 0 2000 4000 6000 0 8000 10000 12000 14000 10 Fig.7 Analog Output Voltage vs.Ambient Temperature GP2D12 3.0 2.8 20 30 40 L=15cm 1.6 L=20cm L=50cm L=40cm L=30cm 0.8 70 80 GP2D12 3.0 2.8 Analog output voltage VO (V) Analog output voltage VO (V) 2.0 60 Fig.8 Analog Output Voltage vs.Detection Distance Kodak Co., Ltd. gray cards R-27 (reflective ratio : 90%) L(Distance to reflective object) X(Detection L=10cm 2.4 50 Distance to reflective object L (cm) Surface illuminance of reflective object (lx) 1.2 Reflectivity 90% 18% distance) 2.4 L=10cm Sensor GP2D12 2.0 −X(Detection distance) 1.6 L=20cm 1.2 0.8 L=40cm L=30cm L=80cm 0.4 0.4 L=60cm L=70cm L=80cm 0 −20 −10 0 10 20 30 40 50 60 70 80 90 Ambient temperature Ta (°C) 0 −5 −4 −3 −2 −1 0 1 2 Detection distance X (cm) 3 4 5 Application Circuits 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 rights. SHARP takes no responsibility for any problems related to any intellectual property right of a third party resulting from the use of SHARP's devices. ●Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device. SHARP reserves the right to make changes in the specifications, characteristics, data, materials, structure, and other contents described herein at any time without notice in order to improve design or reliability. Manufacturing locations are also subject to change without notice. ●Observe the following points when using any devices in this publication. SHARP takes no responsibility for damage caused by improper use of the devices which does not meet the conditions and absolute maximum ratings to be used specified in the relevant specification sheet nor meet the following conditions: (i) The devices in this publication are designed for use in general electronic equipment designs such as: --- Personal computers --- Office automation equipment --- Telecommunication equipment [terminal] --- Test and measurement equipment --- Industrial control --- Audio visual equipment --- Consumer electronics (ii)Measures such as fail-safe function and redundant design should be taken to ensure reliability and safety when SHARP devices are used for or in connection with equipment that requires higher reliability such as: --- Transportation control and safety equipment (i.e., aircraft, trains, automobiles, etc.) --- Traffic signals --- Gas leakage sensor breakers --- Alarm equipment --- Various safety devices, etc. (iii)SHARP devices shall not be used for or in connection with equipment that requires an extremely high level of reliability and safety such as: --- Space applications --- Telecommunication equipment [trunk lines] --- Nuclear power control equipment --- Medical and other life support equipment (e.g., scuba). ●Contact a SHARP representative in advance when intending to use SHARP devices for any "specific" applications other than those recommended by SHARP or when it is unclear which category mentioned above controls the intended use. ●If the SHARP devices listed in this publication fall within the scope of strategic products described in the Foreign Exchange and Foreign Trade Control 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 copyright 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. 115