Hologram Lasers GH5R495A3C GH5R495A3C High Power Output Hologram Features Outline Dimensions Laser for 16 Speed CD-R Drive (Unit : mm) +0 o8.2 - 0.025 +0 o7.5 MAX. o6.630.1 4.8 - 0.1 3.970.1 2.80.15 2.00.1 3.20.15 Hologram device Cap glass 1.20.1 0.3 MAX. 1.27 4.770.12 0.25 Laser chip Reference plane 4.60.5 (1) High power output (pulse MAX. 121mW) (2) For 16 speed CD-R, 40 speed CD-ROM (With built-in MIN. 45MHz OPIC) (3) High coupling efficiency The ellipticity (///) is close to 1. (4) 4.8mm thickness (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. Z 12-o0.30.05 Applications X +0 Y o8.2 - 0.025 (1) CD-R drives (2) CD-RW drives Z X Y Y X +0 4.8 - 0.1 2.80.2 P1.10.154=4.40.15 Dimension measured at lead base 4.90.2 Tolerance 0.2mm Z Terminal connection Pin configuration o Vcc D8 D7 D6 D5 D4 D3 D2 D1 r NC w Swin t VF+H u VE+G e VD !0 V C q VB !11 V A i Vref y GND !2 LD !1 !0 o i u !2 q w er y t X Z Y Top View 1 2 Absolute Maximum Ratings Parameter Optical power output Optical power output (pulse) Reverse voltage 3 OPIC supply voltage Operating temperature Laser (TC=25C) Symbol Rating Unit PHC 85 mW PHP 121 mW VR 2 V VCC 6 V Topr 0 to +60 C 3 Storage temperature Tstg -40 to +85 C 4 Soldering temperature Tsold 260 C 1 2 3 Output power from hologram laser Equivalent to 95mW (CW) from cap glass Output power from hologram laser Equivalent to 135mW (pulse) from cap glass (pulse width : 0.5s, Duty : 50%) Case temperature 4 At the position of 1.6mm from the lead base (Within 5s) 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/ 107 Hologram Lasers GH5R495A3C Electro-optical Characteristics Parameter (TC=25C) Symbol Conditions MIN. TYP. MAX. Unit Focal offset DEF Collimated lens output power 1.5mW, High gain -0.7 - +0.7 m 2 Focal error symmetry BFES Collimated lens output power 1.5mW, High gain -25 - +25 % 3 Radial error balance BRES Collimated lens output power 1.5mW, High gain -25 - +25 % 4 RF output amplitude VRF Collimated lens output power 1.5mW, High gain 0.65 0.94 1.23 V 5 FES output amplitude VFES Collimated lens output power 1.5mW, High gain 0.35 0.59 0.94 V 6 RES output amplitude VRES Collimated lens output power 1.5mW, High gain 0.09 0.19 0.30 V 7 Main spot balance MSB Collimated lens output power 1.5mW, High gain 80 100 120 % 8 Sub spot balance SSB Collimated lens output power 1.5mW, High gain 80 100 120 % Jitter JIT - - 23 ns 1 1 2 Threshold current Ith Collimated lens output power 1.5mW, High gain - - 30 40 mA Operating current Iop Po=80mW - 120 145 mA Operating voltage Po=80mW - 2.2 2.5 V Wavelength Vop p Po=80mW 773 784 797 nm Differential efficiency d 70mW I(80mW)-I(10mW) 0.7 0.85 1.2 mW/mA Distance between FES=0 and jitter minimum point (a-b) / (a+b) a-b 2(a+b) 3 a (+amplitude of FES) a (+amplitude of RES) GND b (-amplitude of RES) b (-amplitude of FES) 4 5 6 7 8 108 Notice Internet Amplitude of VA+VB+VC+VD (focal servo ON, radial servo ON) VB-VA (Focal vibration) Amplitude of (VC-VD)-k1(VE+G-VF+H). k1=(VC+VD)/(VE+G+VF+H)=1 When tracking servo is ON, (VC-VD)-k1(VE+G-VF+H)+ should be 0. (VA+VB) / (VC+VD) VC/VD 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/ Hologram Lasers GH5R495A3C Electro-optical Characteristics of Laser Diode (Design Standard*) Parameter Parallel Symbol d // Perpendicular Deviation Parallel angle Perpendicular o// Stability of differential efficiency Half intensity angle Emission characteristics 11 2 TYP. MAX. Unit - - 40 % 8 9 10 15 17 19 -2 - +2 -3 - +3 Po=95mW o o//(95mW)-o//(3mW) -1 - +1 Kink K-LI P1=27mW, P2=81mW, P3=135mW - - 15 % Electro-optical Characteristics of OPIC for Signal Detection9 Output offset voltage Offset voltage difference, Gain switching 10 MIN. o// Supply current 9 Conditions Po=10 to 135mW Beam shift Parameter 11 (TC=25C) (TC=25C, VCC=5V, Vref=2.1V) Symbol Conditions MIN. TYP. MAX. Unit ICC1 High gain, Gain switching SW=H - 20 25 mA mA 10 Segment ICC2 Low gain, Gain switching SW=L - 30 35 Vod Vod Common to high/low gain, No light -25 2 +25 mV A, B Common to high/low gain -30 - +30 mV A, B 0.1F or more capacitor should be added between OPIC power supply terminal and GND, Vref terminal and GND. (at the position of 10mm or less from the lead base) Applicable divisions correspond to output terminals. A : VA, VB, VC, VD B : VE+G, VF+H Difference from Vref Electro-optical Characteristics of Hologram Laser (Design Standard*)1 Parameter Focal error signal capture range Focal error signal sensitivity (TC=25C) MIN. TYP. MAX. - Conditions - - 14 - Unit m - - - 13 - %/m Symbol 1 Collimated lens Actuator Disc (SONY : YEDS-18) Laser driver ACC drive Hologram laser NA=0.186 f =10.74mm NA=0.50 f =3.0mm Measuring System of Hologram Laser 2 * These parameters are not guaranteed performance, but general specifications of each optical element which makes up a hologram laser. 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/ 109 Hologram Lasers GH5R495A3C Optical Characteristics of Hologram Device (Design Standard*) Parameter Symbol Hologram diffraction 0 th efficiency 1st - Hologram diffraction D1,D2 angle Except D1,D2 - Grating diffraction efficiency - Grating diffraction angle - - Conditions MIN. TYP. MAX. Unit =780nm 77 82 - % 6 7 9 % =780nm - 21.1 - - 26.4 - 6.7 9 12.4 - - 2.8 - MIN. TYP. MAX. -80 - +80 Unit m -80 - +80 m -80 - +80 m 0:1 =780nm Electro-optical Characteristics of Laser Diode (Design Standard*) Parameter Misalignment position Symbol x Conditions y - z 4,5,6,7 Reference voltage Vref - 2.00 2.1 2.21 V Reference voltage terminal current Iref Common to high/low gain, No light -0.5 1 2 mA fcm Common to high/low gain, -3dB 45 60 - MHz A fcs Common to high/low gain, -3dB 1 2 - MHz B Vpk2 Common to high/low gain f=0.1 to 45MHz - - 3 dB A fnm Hign gain, 50 end BW=30kHz, f=28.8MHz - -74 -68 dBm A A Response frequency 7 Noise level Unit 4.5 5 5.5 V Sensitivity 1 Rm1 Main amp, Hign gain 18 24 30 mV/W Rm2 0.72 0.96 1.2 mV/W A Sensitivity 3 Rm3 Main amp, Low gain Sub amp, Hign gain 72 96 120 mV/W B Sensitivity 4 Rm4 Sub amp, Low gain 2.88 3.84 4.8 mV/W B - 30 - ns A 1 - - V A, B tset Maximum output voltage 7 MAX. Sensitivity 2 Settling time 6 TYP. Segment VCC Symbol MIN. 3 Supply voltage Peaking level 5 (TC=25C, VCC=5V, Vref=2.1V) Conditions - 4,6,7 4 (TC=25C) Electro-optical Characteristics of OPIC for Signal Detection (Design Standard*) Parameter 3 (TC=25C) Vomax Output voltage 500mV 5mV Low gain, fall time f=6.9 MHz Common to high/low gain, Vref reference Appricable divisions correspond to output terminals. A : VA, VB, VC, VD B : VE+G, VF+H Light source is a laser diode of =780nm. -3dB level (0dB level is taken for output level when f=0.1MHz) 10W of DC light is applied to the center of each photodiode, and 4W of AC light is irradiated. BW=10kHz 5k of resistor and 10pF of capacitor should be connected in parallel between output terminal and Vref terminal. * 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" 110 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/ 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