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data sheet the information in this document is subject to change without notice. before using this document, please confirm that this is the latest version. not all devices/types available in every country. please check with local nec representative for availability and additional information. ? 1998, 1999 document no. p13548ej3v0ds00 (3rd edition) date published september 1999 ns cp(k) printed in japan the mark ? ? ? ? shows major revised points. laser diode ndl7405p series 1 310 nm optical catv return path applications ingaasp mqw laser diode module with isolator description the ndl7405p series is a 1 310 nm uncooled isolated coaxial fp (fabry perot) laser diode, which has a newly developed multiple quantum well (mqw) structure. it is especially designed for optical catv return path applications. features ? low distortion imd2 = - 40 dbc max. *1 imd3 = - 50 dbc max. *1 ? high cnr cnr = 43 db min. *1 ? output power p f = 1.0 mw ? long wavelength l c = 1 310 nm ? internal ingaas monitor pd and isolator ? single mode fiber pigtail with fc-spc connector, sc-spc connector or sc-apc connector ? wide operating temperature range t c = - 40 to +85 c *1 2 ch, fiber loss = 7 db, omi = 20 %
data sheet p13548ej3v0ds00 2 ndl7405p series package dimensions (in millimeters) ndl7405p optical fiber sm-9/125 length: 1 m 5.30.8 201.0 29.01.0 f 60.1 4.10.8 f 3.20.25 f 70.2 8 15 f 0.9 f 0.450.05 pin connections 4 1 3 2 pd ld case f 70.2 4 3 2 1 p.c.d. = 2 f ndl7405p1 f 0.9 f 0.450.05 optical fiber sm-9/125 length: 1 m 2.00.2 201.0 29.01.0 4.00.2 f 3.20.25 f 70.2 8 15 12.70.2 17.00.2 f 2 C 2.2 60.1 f pin connections 4 1 3 2 pd ld case 4 3 2 1 7.20.3 1.00.1 p.c.d. = 2 f 3.70.3 ndl7405p2 optical fiber sm-9/125 length: 1 m 19.51.0 29.31.0 f 3.20.25 f 70.2 8 15 0.50.2 0.3 2.51.0 f 0.9 f 4C 0.450.05 0.3 pin connections pd 3 2 4 1 ld case 70.2 120.15 16.0 f 16 f p.c.d. = 2 ndl7405p4 pin connections pin no. function 1 2 3 4 5 6 7 8 nc pd anode pd cathode nc nc ld cathode ld anode nc 12.60.2 6.30.2 12.60.2 24.71.0 optical fiber sm-9/125 length: 1 m 70.2 f 12.60.2 10.20.2 1.270.2 2.540.3 5.10.2 3.60.5 5.10.1 3.810.3 2.540.3 0.2 4 3 2 1 5 6 7 8 4C 0.45 pin 2, 3, 6, 7 f 4C0.5 pin 1, 4, 5, 8 2 3 2 C 2.5 f 4 3 2 1
data sheet p13548ej3v0ds00 3 ndl7405p series ordering information part number available connector flange type NDL7405PC with fc-spc connector no flange ndl7405pd with sc-spc connector ndl7405px with sc-apc connector ndl7405p1c with fc-spc connector flat mount flange ndl7405p1d with sc-spc connector ndl7405p1x with sc-apc connector ndl7405p2c with fc-spc connector vertical flange ndl7405p2d with sc-spc connector ndl7405p2x with sc-apc connector ndl7405p4c with fc-spc connector lead bend ndl7405p4d with sc-spc connector ndl7405p4x with sc-apc connector absolute maximum ratings (t c = 25 c, unless otherwise specified) parameter symbol ratings unit forward current of ld i f i th + 50 ma reverse voltage of ld v r 2.0 v forward current of pd i f 10 ma reverse voltage of pd v r 15 v operating case temperature t c - 40 to +85 c storage temperature t stg - 40 to +85 c lead soldering temperature (10 s) t sld 260 c
data sheet p13548ej3v0ds00 4 ndl7405p series electro-optical characteristics (t c = 25 c, optical reflection - - - - 40 db, unless otherwise specified) parameter symbol conditions min. typ. max. unit forward voltage v f i f = 30 ma 1.1 1.5 v threshold current i th cw 10 25 ma cw, t c = 85 c2550 operating current i op cw 25 40 ma cw, t c = 85 c5080 differential efficiency from fiber h d p f = 1.0 mw 0.050 0.100 w/a p f = 1.0 mw, t c = 85 c 0.036 0.070 center wavelength l c p f = 1.0 mw, rms ( - 20 db), t c = - 40 to +85 c 1 260 1 310 1 360 nm spectral width s p f = 1.0 mw, rms ( - 20 db), t c = - 40 to +85 c 4.0 nm 2nd order inter-modulation distortion imd2 *1 - 40 dbc 3rd order inter-modulation distortion imd3 *1 - 50 dbc carrier to noise ratio cnr *1 43 db monitor current i m v r = 5 v, p f = 1.0 mw 100 700 1 000 m a dark current i d v r = 5 v 0.1 10 na tracking error g *2 i m = const., p f = 1.0 mw, t c = - 40 to +85 c - 1.0 1.0 db *1 conditions: p f = 1.0 mw, t c = - 40 to +85 c, 2 channel unmodulated carriers 13 mhz and 19 mhz, optical reflection = - 40 db, fiber loss = 7 db, omi = 20 %/ch @ t c = - 40 to +85 c *2 g = 10 log i m p f (mw) p f 1.0 i m (@ p f (25 ?c) = 1.0 mw) 0 t c = C40 to +85 ?c t c = 25 ?c p f 1.0 mw
data sheet p13548ej3v0ds00 5 ndl7405p series typical characteristics (t c = 25 c, unless otherwise specified) forward current vs. forward voltage forward current i f (ma) forward voltage v f (v) 100 60 40 20 0 80 0.5 1.0 1.5 2.0 2.5 longitudinal mode from fiber relative intensity (db) wavelength l (nm) 10 C10 C30 C50 C70 0 C20 C40 C60 1 295 1 310 1 325 100 10 1 C60 0 40 80 100 C40 C20 20 60 operating current and threshold current vs. case temperature case temperature t c (?c) operating current i op (ma), threshold current i th (ma) i th i op @p f = 1 mw 0.18 0.12 0.06 0.00 C40 C60 C20 0 20 40 60 80 100 temperature depenedence of differential efficiency from fiber case temperature t c (?c) differential efficiency from fiber d (w/a) h 0 1.0 2.0 3.0 4.0 5.0 20 40 60 80 100 forward current i f (ma) optical output power from fiber p f (mw) optical output power from fiber p f (mw) optical output power from fiber vs. forward current t c = C 40 ?c +85 ?c 0.5 0 1.0 2.0 3.0 4.0 5.0 1.0 1.5 monitor current i m (ma) optical output power from fiber vs. monitor current +25 ?c
data sheet p13548ej3v0ds00 6 ndl7405p series 1 340 1 360 1 320 1 300 1 280 1 260 C20 0 40 80 100 C60 C40 20 60 temperature dependence of center wavelength case temperature t c (?c) center wavelength l c (nm) C20 0 40 80 100 C60 C40 20 60 C80 C75 C70 C65 C60 C55 C50 C45 C40 40 44 48 52 56 60 64 68 72 p f = 1 mw, 2-ch, 7 db optical loss, m = 20 %/ch case temperature t c (?c) 2nd order inter-modulation distortion imd2 (dbc), carrier to noise ratio cnr (db) 3rd order inter-modulation distortion imd3 (dbc) imd2, imd3, cnr vs. case temperature optical modulation index omi (%/ch) 2nd order inter-modulation distortion imd2 (dbc), carrier to noise ratio cnr (db) 3rd order inter-modulation distortion imd3 (dbc) optical output power from fiber p f (mw) 2nd order inter-modulation distortion imd2 (dbc), carrier to noise ratio cnr (db) 3rd order inter-modulation distortion imd3 (dbc) imd2, imd3, cnr vs. optical output power from fiber imd2, imd3, cnr vs. optical modulation index 2-ch, 7 db optical loss, m = 20 %/ch p f = 1 mw, 2-ch, 7 db optical loss C80 0.25 0.50 0.75 1.00 1.50 1.25 1.75 C75 C70 C65 C60 C55 C50 C45 C40 40 44 48 52 56 60 64 68 72 C80 C75 C70 C65 C60 C55 C50 C45 C40 40 44 48 52 56 60 64 68 72 5 101520253035 imd2@6 mhz imd2@32 mhz imd3@7 mhz imd3@25 mhz cnr@13 mhz cnr@19 mhz imd2@6 mhz imd2@32 mhz cnr@13 mhz cnr@19 mhz imd2@6 mhz imd2@32 mhz imd3@7 mhz imd3@25 mhz cnr@13 mhz cnr@19 mhz imd3@7 mhz imd3@25 mhz remark the graphs indicate nominal characteristics.
data sheet p13548ej3v0ds00 7 ndl7405p series reference document name document no. nec semiconductor device reliability/quality control system c 11159e quality grades on nec semiconductor devices c11531e semiconductor device mounting technology manual c10535e semiconductor selection guide products & packages(cd-rom) x13769x
data sheet p13548ej3v0ds00 8 ndl7405p series [memo]
data sheet p13548ej3v0ds00 9 ndl7405p series [memo]
data sheet p13548ej3v0ds00 10 ndl7405p series [memo]
data sheet p13548ej3v0ds00 11 ndl7405p series caution within this device there exists gaas (gallium arsenide) material which is a harmful substance if ingested. please do not under any circumstances break the hermetic seal. danger invisible laser radiation avoid direct exposure to beam output power mw max wavelength nm class lllb laser product avoid exposure-invisible laser radiation is emitted from this aperture nec corporation nec building, 7-1, shiba 5-chome, minato-ku, tokyo 108-01, japan type number: manufactured: serial number: this product conforms to fda regulations as applicable to standards 21 cfr chapter 1. subchapter j. semiconductor laser
ndl7405p series the export of this product from japan is prohibited without governmental license. to export or re-export this product from a country other than japan may also be prohibited without a license from that country. please call an nec sales representative. the information in this document is subject to change without notice. before using this document, please confirm that this is the latest version. no part of this document may be copied or reproduced in any form or by any means without the prior written consent of nec corporation. nec corporation assumes no responsibility for any errors which may appear in this document. nec corporation does not assume any liability for infringement of patents, copyrights or other intellectual property rights of third parties by or arising from use of a device described herein or any other liability arising from use of such device. no license, either express, implied or otherwise, is granted under any patents, copyrights or other intellectual property rights of nec corporation or others. descriptions of circuits, software, and other related information in this document are provided for illustrative purposes in semiconductor product operation and application examples. the incorporation of these circuits, software, and information in the design of the customer's equipment shall be done under the full responsibility of the customer. nec corporation assumes no responsibility for any losses incurred by the customer or third parties arising from the use of these circuits, software, and information. while nec corporation has been making continuous effort to enhance the reliability of its semiconductor devices, the possibility of defects cannot be eliminated entirely. to minimize risks of damage or injury to persons or property arising from a defect in an nec semiconductor device, customers must incorporate sufficient safety measures in its design, such as redundancy, fire-containment, and anti-failure features. nec devices are classified into the following three quality grades: "standard", "special", and "specific". the specific quality grade applies only to devices developed based on a customer designated "quality assurance program" for a specific application. the recommended applications of a device depend on its quality grade, as indicated below. customers must check the quality grade of each device before using it in a particular application. standard: computers, office equipment, communications equipment, test and measurement equipment, audio and visual equipment, home electronic appliances, machine tools, personal electronic equipment and industrial robots special: transportation equipment (automobiles, trains, ships, etc.), traffic control systems, anti-disaster systems, anti-crime systems, safety equipment and medical equipment (not specifically designed for life support) specific: aircraft, aerospace equipment, submersible repeaters, nuclear reactor control systems, life support systems or medical equipment for life support, etc. the quality grade of nec devices is "standard" unless otherwise specified in nec's data sheets or data books. if customers intend to use nec devices for applications other than those specified for standard quality grade, they should contact an nec sales representative in advance. m7 98. 8

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