106 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/ gh6c605b3a/gh6c605b3b/gh6c605b5a/gh6c605b5b hologram lasers absolute maximum ratings (t c =25?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) parameter symbol rating unit ? 1 optical power output p h 4.3 mw reverse voltage laser v r 2v ? 2 operating temperature t opr -10 to +70 ?c ? 2 storage temperature t stg -40 to +85 ?c ? 3 soldering temperature t sold 260 ?c monitor photodiode 30 opic supply voltage v cc 6v v gh6c605b3a/gh6c605b3b gh6c605b5a/gh6c605b5b outline dimensions resin type hologram laser for cd- r om drive(equivalent to ? 40 speed) (unit : mm) features (1) with built-in high speed response opic ? (min. 40mhz) (2) for cd-rom drives (equivalent to ? 40 speed) (3) insert frame structure enables easy mounting compared to conventional pin structure. (4) thin and compact package enables thin and compact pick-up design. gh6c605b3a/b : 4.8mm thickness gh6c605b5a/b : 3.0mm thickness (5) with built-in beam splitter and diffraction grating ? o pic : (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. model no. (1) gh6c605b3a/gh6c605b5a ....dual power supply (2) gh6c605b3b/gh6c605b5b ....single power supply applications (1) dvd-rom drives (2) cd-rom drives for notebook pcs ?.2 + 0 0.05 ?.1 to 6.3 ?.6 0.2 3.2 0.15 4.77 0.15 3.8 0.5 2.0 0.15 (0.8 0.2 ) 3.3 0.2 1.2 0.2 12-0.4 0.1 2 0.2 (0.5 0.2 ) ?.5 max. hologram device emission point 1.39 0.1 from reference plane reference plane z x y z x y y z x 3.97 0.2 4.8 + 0 0.1 1.5 0.1 2.4 0.15 ?.2 + 0 0.05 0.4 0.1 45? 1? 45? 1? 4.8 + 0 0.1 0.8 0.2 ? 5=4 0.2 gh6c605b3a gh6c605b3b gh6c605b5a gh6c605b5b ?.2 + 0 0.05 ?.1 to 6.3 ?.6 0.2 3.2 0.15 4.77 0.15 3.8 0.5 2.0 0.15 (0.8 0.2 ) 3.3 0.2 1.2 0.2 12-0.4 0.1 2 0.2 (0.5 0.2 ) ?.5 max. hologram device emission point 1.39 0.1 from reference plane reference plane z x y z x y y z x 3.97 0.2 4.8 + 0 0.1 1.5 0.1 2.4 0.15 ?.2 + 0 0.05 0.4 0.1 45? 1? 45? 1? 4.8 + 0 0.1 0.8 0.2 ? 5=4 0.2 d3 vcc ld gnd v a v b v c v e v f 1/2vcc d4 d1 d2 d5 nc nc monitor pd e ! 1 o y u r t i ! 0 ! 2 q w monitor pd (gh6c605b5a)(gh6c605b3a) (gh6c605b5b)(gh6c605b3b) w qwerty ! 2 ! 1 ! 0 oiu y z x terminal connection pin configuration gh6c605b3a gh6c605b3b qwerty ! 2 ! 1 ! 0 oiu y z x gh6c605b5a gh6c605b5b
107 gh6c605b3a/gh6c605b3b/gh6c605b5a/gh6c605b5b hologram lasers electro-optical characteristics (v cc =5v, t c =25 ? c) ? 1 distance between fes=0 and jitter minimum point at the condition of fes sensitivity = 20%/1? ? 2 (a?) / (a+b) ? 3 ? 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 parameter symbol max. unit ? 1 focal offset def +0.7 m 0.47 v differential efficiency d 0.55 mw/ma conditions min. typ. v rf =0.55v -0.7 - 0.23 0.35 2.0mw i(3.0mw)-i(1.0mw) 0.17 0.27 ? 2 focal error symmetry b fes v rf =0.55v -25 - +25 % ? 3 radial error balance b res -25 - +25 % p h =3.0mw ? 4 rf output amplitude v rf p h =3.0mw 0.42 1.00 - v 0.08 0.12 0.16 v threshold current i th ? -2539ma operating current i op p h =3.0mw - 36 50 ma operating voltage v op p h =3.0mw - 1.85 2.2 v wavelength p p h =3.0mw 770 780 795 nm 0.05 0.2 0.60 ma output current i m p h =3.0mw, v r =15v 0.06 0.32 0.60 ma ? 5 fes output amplitude ? 6 res output amplitude gh6c605b3a/gh6c605b5a gh6c605b3b/gh6c605b5b v fes v rf =0.55v v res v rf =0.55v 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/
108 gh6c605b3a/gh6c605b3b/gh6c605b5a/gh6c605b5b hologram lasers electrical characteristics of monitor photodiode (design standard*) (gh6c605b3a/gh6c605b5a) (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. - 0.11 dark current -- na - 3.5 i d v r =15v electro-optical characteristics of opic for signal detection (design standard*) (t c =25?c) parameter symbol unit ? 3 segment supply voltage v cc v response frequency f cf mhz v a , v b , v c conditions min. typ. 4.5 5 40 55 ? 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 max. 5.5 supply current i cc v cc =5v 6 9 12 ma -15 0 +15 mv v e , v f -15 0 +15 mv v e -v f ? 5 v cc =5v, -3db r l =10k ? , cl=10pf - 57 - mhz v e , v f 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 reference plane to 33mm (na=0.11) 6.3? ?.4mm 4-division photodetector (?0mm) cb da laser diode yz x yz x f cr ? 4 output offset voltage v od v cc =5v no light -25 0 +25 mv v a , v b , v c offset voltage difference ? v od -25 0 +25 mv v a -v b (gh6c605b3b/gh6c605b5b) (t c =25?c) parameter symbol max. unit ? 2 sensitivity s- ma/mw 150 terminal capacitance c t -pf conditions min. typ. - 0.07 dark current -- na - 7.7 i d v r =15v ? 2 for hologram output power * 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" 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/
109 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/ 20 40 60 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 0 optical power output p h (mw) tc=25?c tc=50?c tc=60?c tc=70?c forward current i f (ma) 775 780 785 790 795 800 805 810 wavelength (nm) 0 20406080 case temperature tc( ? c) 0 5 10 15 20 25 30 35 40 45 50 threshold current ith(ma) 0 20406080 case temperature tc( ? c) 01020304050 forward current i f (ma) 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 forward voltage v f (v) optical power output - forward current case temperature dependence of wavelength case temperature dependence of threshold current forward voltage - forward current gh6c605b3a/gh6c605b3b/gh6c605b5a/gh6c605b5b note) characteristics shown in diagrams are typical values. (not assurance value)
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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