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| DATA SHEET LASER DIODE NDL7620P Series 1 310 nm OPTICAL FIBER COMMUNICATIONS InGaAsP STRAINED MQW-DFB LASER DIODE COAXIAL MODULE FOR 2.5 Gb/s DESCRIPTION The NDL7620P Series is a 1 310 nm /4-phase-shifted DFB (Distributed Feed-Back) laser diode coaxial module with internal optical isolator. Newly developed strained Multiple Quantum Well (st-MQW) structure is adopted to achieve stable dynamic single longitudinal mode operation over wide temperature range of 0 to +70 C. designed for STM-16 applications. It is FEATURES * High-speed response * Peak emission wavelength * Wide operating temperature range * Internal optical isolator * /4-phase-shifted DFB * InGaAs monitor PIN-PD tr = 40 ps, tf = 100 ps p = 1 310 nm TC = 0 to +70 C PACKAGE DIMENSIONS in millimeters NDL7620P Optical Fiber SM-9/125 Length: 1 m NDL7620P1 0.9 Optical Fiber SM-9/125 Length: 1 m NDL7620P2 Optical Fiber SM-9/125 Length: 1 m 3.20.25 3.20.25 0.9 3.20.25 0.9 15 70.2 4.10.8 15 15 8.0 29.31.0 70.2 29.01.0 70.2 29.01.0 2- 2.2 8.0 8.0 5.30.8 201.0 4.00.2 0.50.2 2.00.2 60.1 61.0 12.70.2 17.00.2 PIN CONNECTIONS 1.00.1 PD PIN CONNECTIONS PD PIN CONNECTIONS 7.20.3 3 2 P.C.D. = 2 4 1 LD Case 3 43 12 1 6 2 3 4 1 70.2 43 12 70.2 P.C.D. = 2 P.C.D. = 2 2- 2.5 3 2.51.0 201.0 0.45 0.05 0.45 0.05 19.51.0 0.3 4- 0.45 0.05 0.3 2 PD 4 1 LD Case 1 4 LD Case 2 The information in this document is subject to change without notice. Document No. P11351EJ4V0DS00 (4th edition) Date Published February 1998 NS CP(K) Printed in Japan The mark * shows major revised points. 3.70.3 120.15 16.0 (c) 1996 NDL7620P Series ORDERING INFORMATION Part Number NDL7620P NDL7620PC NDL7620PD NDL7620P1 NDL7620P1C NDL7620P1D NDL7620P2 NDL7620P2C NDL7620P2D Available Connector Without Connector With FC-PC Connector With SC-PC Connector Without Connector With FC-PC Connector With SC-PC Connector Without Connector With FC-PC Connector With SC-PC Connector Vertical Flange Flat Mount Flange Flange Type No Flange ABSOLUTE MAXIMUM RATINGS (TC = 0 to +70 C, unless otherwise specified) Parameter Forward Current of LD Optical Output Power from Fiber Reverse Voltage of LD Forward Current of PD Reverse Voltage of PD Operating Case Temperature Storage Temperature Lead Soldering Temperature (10 s) Symbol IF Pf VR IF VR TC Tstg Tsld Ratings 150 5.0 2.0 10 20 0 to +70 -40 to +85 260 Unit mA mW V mA V C C C 2 NDL7620P Series ELECTRO-OPTICAL CHARACTERISTICS (TC = 0 to +70 C, unless otherwise specified) Parameter Forward Voltage Optical Output Power from Fiber Threshold Current Differential Efficiency from Fiber Temperature Dependence of Differential Efficiency from Fiber Peak Emission Wavelength Side Mode Suppression Ratio Rise Time Fall Time Monitor Current Monitor Dark Current Monitor PD Terminal Capacitance Tracking Error Symbol VF Pf Ith Conditions Pf = 2 mW, TC = 25 C IF = Ith + 40 mA MIN. 0.9 2.0 45 Pf = 2 mW 0.05 TYP. MAX. 1.4 Unit V mW mA W/A -2.5 dB d d p SMSR tr tf Im ID Ct *1 d = 10 log d (TC = 70 C) d (TC = 25 C) -3.5 Pf = 1 mW, Ib = Ith, 2.5 G/s-NRZ, PN 1/2 10-90%, Ib = 0.9 x Ith 90-10%, Ib = 0.9 x Ith VR = 5 V, Pf = 2 mW VR = 5 V, TC = 25 C VR = 5 V Im = const. 1 290 30 1 310 40 40 100 1 330 nm dB 125 200 2 000 ps ps 50 0.5 1.0 A nA pF dB 5.0 1.5 1.0 *1 = 10 log Pf 2 mW (mW) Pf TC = 25 C 2 Pf TC = 0 to +70 C 0 Im (@ Pf (25 C) = 2 mW) Im 3 NDL7620P Series TYPICAL CHARACTERISTICS (TC = 25 C, unless otherwise specified) OPTICAL OUTPUT POWER FROM FIBER vs. FORWARD CURRENT Optical Output Power from Fiber Pf (mW) OPERATING CURRENT AND THRESHOLD CURRENT vs. CASE TEMPERATURE 100 Operating Current Iop (mA), Threshold Current Ith (mA) 10 Pf = 2 mW Iop 8 TC = 0 C 6 25 C 50 30 20 Ith 4 70 C 2 10 0 20 40 60 80 100 5 -20 0 20 40 60 80 Forward Current IF (mA) Case Temperature TC (C) FREQUENCY RESPONSE (S21) Pf = 2 mW Return Loss (10 dB/div.) RETURN LOSS CHARACTERISTICS (S11) Pf = 2 mW Response (3 dB/div.) 0.05 2.55 Frequency f (GHz) 5.05 0.05 2.55 Frequency f (GHz) 5.05 LONGITUDINAL MODE 10 TC = 0 C, 2.488 Gb/s, NRZ, Ib = Ith Relative Intensity LONGITUDINAL MODE 10 TC = 70 C, 2.488 Gb/s, NRZ, Ib = Ith Relative Intensity -30 -30 -70 1.3054 1.3154 Wavelength (nm) 1.3254 -70 1.3114 1.3214 Wavelength (nm) 1.3314 4 NDL7620P Series EYE DIAGRAM TC = 25 C EYE DIAGRAM TC = 70 C Relative Intensity Time Base (100 ps/div.) Relative Intensity Time Base (100 ps/div.) ERROR RATE CHARACTERISTICS 10 -5 2.5 Gb/s, NRZ, Ref. = -14 dB 10-6 Bit Error Rate 10-7 10-8 10-9 10-10 10-11 -36 back to back after 50 km TC = 0 C 70 C -35 -34 -33 -32 -31 -30 Average Received Power P (dBm) Remark The measurement of TYPICAL CHARACTERISTICS are only for reference, not guaranteed. 5 NDL7620P Series REFERENCE Document Name NEC semiconductor device reliability/quality control system Quality grades on NEC semiconductor devices Semiconductor device mounting technology manual Semiconductor selection guide Document No. C11159E C11531E C10535E X10679E 6 NDL7620P Series [MEMO] 7 NDL7620P 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. NEC Corporation DANGER INVISIBLE LASER RADIATION AVOID DIRECT EXPOSURE TO BEAM OUTPUT POWER mW MAX WAVELENGTH nm CLASS lllb LASER PRODUCT SEMICONDUCTOR LASER 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. AVOID EXPOSURE-Invisible Laser Radiation is emitted from this aperture 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. 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. 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: Aircrafts, 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. Anti-radioactive design is not implemented in this product. M4 96. 5 |
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