93 hologram lasers hologram lasers GH5CD05B3D absolute maximum ratings (t c =25?c) parameter symbol rating unit ? 1 optical power output p h 4.3 mw reverse voltage laser v r 2v ? 2 operating temperature t opr -20 to +80 ?c ? 2 storage temperature t stg -40 to +85 ?c ? 3 soldering temperature t sold 260 ?c ? 1 output power from hologram laser, cw (continuous wave) drive ? 2 case temperature ? 3 at the position of 1.6mm from the lead base (within 5s) monitor photodiode 30 opic supply voltage v cc 6v v GH5CD05B3D outline dimensions hologram laser for automotive cd drive (unit : mm) features (1) wide operating temperature for use in automotive equipment (2) 3v operation (3 to 5), it is connectable with a chip set of 3v operation (3) for 8 speed cd drives, with built-in opic ? (response speed : min. 12mhz) (both for cd car navigation systems and cd players) (4) thin (4.8mm thickness) and compact package enables thin and compact pick-up design. (5) with built-in beam splitter and diffraction grating ? opic : (optical ic) is a trademark of sharp corporation. an opic consists of a light-detecting element and a signal-processing circuit integrated onto a single chip. applications (1) cd players for automotive use (2) cd car navigation systems z xy z yx y xz 8.2 +0 - 0.030 8.2 +0 - 0.030 7.5max. 6.63 0.1 4.8 +0 - 0.1 4.65max. 3.97 0.1 0.4 0.05 4.8 +0 - 0.1 4.6 0.5 4.77 0.12 2.0 0.1 1.2 0.1 1.38 2.8 0.10 1.4 0.15 1.4 0.15 3 .2 0.15 laser chip reference plane (stem face) hologram device 0.3max. lead edge is within a circle of 1.4mm from the center of lead base. p1.4 0.2 ? 3=4.2 0.2 4.9 0.2 2.45 0.15 2.45 0.15 ? dimensions which shows position of lead pin is measured at lead base. tolerance 0.2 - + - + - + - + - + r v a i v cc y v b d2 d3 d4 d1 d5 w v c e v e u v f o 1/2 v cc t gnd !0 ld q monitor pd oiuy qwe r t !0 z x y top view terminal connection pin configuration notice in the absence of confirmation by device specification sheets, sharp takes no responsibility for any defects that may occur in equ ipment using any sharp devices shown in catalogs, data books, etc. contact sharp in order to obtain the latest device specification sheets before usi ng any sharp device. internet internet address for electronic components group http://sharp-world.com/ecg/
94 hologram lasers notice in the absence of confirmation by device specification sheets, sharp takes no responsibility for any defects that may occur in equ ipment using any sharp devices shown in catalogs, data books, etc. contact sharp in order to obtain the latest device specification sheets before usi ng any sharp device. internet internet address for electronic components group http://sharp-world.com/ecg/ hologram lasers GH5CD05B3D electro-optical characteristics (v cc =5v, v s =1/2 v cc ,t c =25 ? c) parameter symbol max. unit ? 1 focal offset def +0.7 m ? 6 res output amplitude v res 0.49 v differential efficiency d 0.55 mw/ma conditions min. typ. v rf =1.1v -0.7 - 0.25 0.36 2.0mw i(3.0mw)-i(1.0mw) 0.17 0.27 ? 2 focal error symmetry b fes v rf =1.1v -25 - +25 % ? 3 radial error balance b res -25 - +25 % ? 5 fes output amplitude v fes 0.46 0.70 0.94 v p h =3.0mw ? 4 rf output amplitude v rf p h =3.0mw 0.90 1.70 - v v rf =1.1v v rf =1.1v threshold current i th ? -2539ma operating current i op p h =3.0mw - 36 50 ma operating voltage v op p h =3.0mw - 1.75 2.2 v wavelength p p h =3.0mw 770 780 795 nm output current i m p h =3.0mw, v r =15v (0.12) 0.55 1.00 ma ? 1 distance between fes=0 and jitter minimum point at the condition of fes sensitivity = 20%/1? ? 2 (a?) / (a+b) ? 3 offset of hologram laser is included. ? 4 amplitude of v a +v b +2v c (focal servo on, radial servo on) ? 5 v a ? b (focal vibration) ? 6 v e ? f (focal servo on, radial servo off) a? 2 ? (a+b) a (+amplitude of res) b (?mplitude of res) gnd a (+amplitude of fes) b (?mplitude of fes) na=0.50 f =4.5mm na=0.11 f =20.6mm disc (sony : yeds-18) laser driver apc circuit actuator collimated lens hologram laser measuring system of hologram laser
95 hologram lasers notice in the absence of confirmation by device specification sheets, sharp takes no responsibility for any defects that may occur in equ ipment using any sharp devices shown in catalogs, data books, etc. contact sharp in order to obtain the latest device specification sheets before usi ng any sharp device. internet internet address for electronic components group http://sharp-world.com/ecg/ hologram lasers GH5CD05B3D electrical characteristics of monitor photodiode (design standard*) (t c =25?c) electro-optical characteristics of laser diode (design standard*) (t c =25?c) parameter symbol max. unit emission characteristics ? 1 symmetry s // +25 % +15 misalignment position ? x +80 m ? z +80 m interference pattern intensity 0.99 - conditions min. typ. parallel -25 - perpendicular -15 - % -80 - -80 - po=3mw - - s ? y -80 - +80 m po=3mw, into na=0.11 ? parameter symbol max. unit ? 2 sensitivity s- ma/mw 150 terminal capacitance c t -pf conditions min. typ. - 0.20 dark current -- na - 3.5 i d v r =15v electro-optical characteristics of opic for signal detection (design standard*) (t c =25?c) ? 2 for hologram output power ? 1 measuring method of radiation symmetry ? 3 applicable divisions correspond to output terminals. ? 4 difference from vcc/2 ? 5 output amplitude=0db (input signal 100khz) bw=10khz segment no. output d 1 ...............................................v e d 2 ...............................................v a d 3 ...............................................v b d 4 ...............................................v c d 5 ...............................................v f d1 d2 d3 d5 d4 6.3? cb da yz x yz x reference plane laser diode to 33mm (na=0.11) ?.4mm 4-division photodetector (?0mm) parameter definition s// s (p b + p c ) - (p a + p d ) p a + p b + p c + p d (p a + p b ) - (p c + p d ) p a + p b + p c + p d p x : output of light detector x * these parameters are not guaranteed performance, but general specifications of each optical element which makes up a hologram laser. ?please refer to the chapter "handling precautions" parameter symbol unit ? 3 segment supply voltage v cc v- response frequency f cf mhz v a , v b , v c conditions min. typ. 2.8 3.0 12 18 - max. 5.5 supply current i cc v cc =3v 1.8 4.2 6.7 ma - ? 4 output offset voltage v od v cc =3v no light -13 0 +13 mv v e , v f offset voltage difference -13 0 +13 mv v e -v f ? 5 v cc =3v, -3db r l =10k ?, c l =10 p f - 1.2 1.8 - mhz v e , v f f cr v od -11 0 +11 mv v a , v b , v c -11 0 +11 mv v a -v b
150 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 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.
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