Laser Diodes GH20707A2A/GH20707A2B GH20707A2A/GH20707A2B Dual-wavelength(1 Package) Laser Diode for DVD-ROM/DVD Video(654nm-7mW, 788nm-7mW) Features Outline Dimensions 2 902 + 0.1 o1.8 - 0.2 No cap glass 0.40.1 o2 1 Model No. +0 o5.6 - 0.025 2 o4.4 MAX. o3.550.1 (1) GH20707A2A ....Dual power supply (2) GH20707A2B ....Single power supply Applications 0.5 MIN. Emission point Z=1.270.08 2.30.5 Reference plane 1.20.1 6.51.0 (1) DVD-ROM drives (2) DVD video players (3) CD-ROM drives 0.5 MAX. (Unit : mm) 0.40.1 (1) Dual-wavelength type With 2-laser chips for CD-ROM and for DVD-ROM (2) Wavelength : TYP. 788nm/654nm (3) Maximum optical power output : 7mW/7mW (CW) (4) Operating temperature : MAX. 70C (5) 5.6mm package(4 - lead) 4 - o0.450.1 1 : Dimension measured at lead base 2 : Within 0.6mm from reference plane Tolerance 0.2mm 4 1 3 2 Z X Terminal connection Y Red laser Infrared laser Monitor PD q e r Absolute Maximum Ratings Parameter 3 Reverse voltage 1 PO Laser Monitor photodiode Operating temperature w w GND Rating Red laser Infrared laser 7 7 2 Vrd 30 V Top(c) -10 to +70 C V Storage temperature Tstg -40 to +85 C Soldering temperature Tsld 300 C 3 48 GH20707A2B mW Vrl 1 2 r Unit 2 1 e (TC=25C 1) Symbol Optical power output q GND GH20707A2A Red laser Infrared laser Monitor PD Case temperature At the position of 1.6mm or more from the lead base (Within 3s) CW (Continuous Wave) drive Notice Internet 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 address for Electronic Components Group http://sharp-world.com/ecg/ Laser Diodes Distance between Laser Emission Points and Emission Point Accuracy Unit : m Distance between laser emission points MIN. TYP. MAX. L 100 110 120 dX 76 104.5 119.7 dY 8 34.2 65 dZ -10 0 10 L Y Emission point = Center of of red laser the stem dX X dY GH20707A2A/GH20707A2B Emission point of infrared laser Unit : m Red laser emission point accuracy 80 Y 80 Z 80 Emission point of red laser Emission point of infrared laser Z dZ X Reference plane CL Electro-optical Characteristics1 Parameter Unit TYP. MAX. Conditions MIN. TYP. MAX. - - 34 45 mA - 47 60 mA Ith - 23 35 Iop - 33 49 Operating voltage - 2.2 2.7 - 1.9 2.3 V 640 654 660 783 788 793 nm 8.8 11 13.7 28 34 -20 - 40 +20 % 23 Parallel Vop p // 23 Perpendicular Ripple Misalignment angle 2 MIN. Threshold current Half intensity angle 1 Conditions - Operating current Wavelength 4 Symbol (TC=25C) Infrared laser Red laser 3 Parallel Rl // 3 Perpendicular Po=5mW 7 8.5 10 25 29 Po=5mW -20 - 35 +20 -1.5 - +1.5 -1.5 - +1.5 -2 - +2 -2 - +2 Differential efficiency d 3mW I(5mW)-I(2mW) 0.3 0.55 0.8 5mW I(5mW)-I(2mW) 0.14 0.38 0.57 mW/mA Interference pattern intensity Po=5mW - - 1 Po=5mW - - 0.99 - Initial value, CW (Continuous Wave) drive Angle at 50% peak intensity (full-width at halfmaximum) 3 4 Parallel to the junction plane (X-Z plane), Perpendicular to the junction plane (Y-Z plane) Rl=P/P P : the maximum deviation of the far field pattern from its approximate curve P : the peak of the approximate curve Electrical Characteristics of Photodiode Parameter Symbol (TC=25C) Infrared laser Red laser Conditions MIN. TYP. MAX. Conditions MIN. TYP. MAX. Unit Output current Im Po=5mW Vrd=5V 0.04 0.2 0.4 Po=5mW Vrd=5V 0.3 0.65 1.2 mA Dark current ID Vrd=5V - - 150 Vrd=5V - - 150 nA * Please refer to the chapter "Handling Precautions" Notice Internet 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 address for Electronic Components Group http://sharp-world.com/ecg/ 49 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