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| 1310 nm OPTICAL FIBER COMMUNICATIONS InGaAsP STRAINED MQW-DFB LASER DIODE COAXIAL MODULE FOR 2.5 Gb/s FEATURES * PEAK EMISSION WAVELENGTH: P = 1310 nm * HIGH SPEED RESPONSE: tr = 40 ps tf = 100 ps * INTERNAL OPTICAL ISOLATOR * InGaAs MONITOR PIN-PD * WIDE OPERATING TEMPERATURE RANGE: TC = 0 to +70C * /4 - PHASE-SHIFTED DFB NDL7620P SERIES DESCRIPTION The NDL7620P Series is a 1310 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 a wide temperature range of 0 to +70C. It is designed for STM-16 applications. ELECTRO-OPTICAL CHARACTERISTICS (TC = 0 to +70 C, unless otherwise specified) PART NUMBER PACKAGE OUTLINE SYMBOLS VF Pf ITH d d PARAMETERS AND CONDITIONS Forward Voltage, Pf = 2 mW, TC = 25C Optical Output Power from Fiber, IF = ITH + 40 mA Threshold Current Differential Efficiency from Fiber, Pf = 2 mW Temperature Dependence of Differential Efficiency d (TC = 70 C) from Fiber, d = 10 log d (TC = 25 C) Peak Emission Wavelength, Pf = 1 mW, Ib = ITH, 2.5 G/s-NRZ, PN 1/2 Side Mode Suppression Ratio, Pf = 1 mW, Ib = ITH, 2.5 G/s-NRZ, PN 1/2 Rise Time, 10-90%, Ib = 0.9 x Ith Fall Time, 90-10%, Ib = 0.9 X Ith Monitor Current, VR = 5 V, Pf = 2 mW Monitor Dark Current, VR = 5 V, TC = 25C Monitor PD Terminal Capacitance, VR = 5 V Tracking Error, Im = const. UNITS V mW mA W/A dB 0.05 -3.5 -2.5 MIN 0.9 2.0 45 NDL7620P Series TYP MAX 1.4 p SMSR tr tf Im ID Ct 1 Note: nm dB ps ps A nA pF dB 1290 30 40 100 50 1310 40 125 200 1330 2000 0.5 1.0 5.0 1.5 1.0 Pf Pf 2mW (mW) TC = 25C 1. = 10 log 2 Pf TC = 0 to +70C 0 Im (at Pf (25C) = 2 mW) Im California Eastern Laboratories NDL7620P SERIES ABSOLUTE MAXIMUM RATINGS1 (TC = 0 to +70 C, unless otherwise specified) SYMBOLS IF Pf VR IF VR TC TSTG TSLD PARAMETERS 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) UNITS mA mW V mA V C C C RATINGS 150 5.0 2.0 10 20 0 to +70 -40 to +85 260 Note: 1. Operation in excess of any one of these parameters may result in permanent damage. TYPICAL PERFORMANCE CURVES (TC = 25 C, unless otherwise specified) OPTICAL OUTPUT POWER FROM FIBER vs. FORWARD CURRENT 10 THRESHOLD CURRENT AND OPERATION CURRENT vs. CASE TEMPERATURE 100 Pf = 2 mW Output Power from Fiber, Pf (mW) 8 TC = 0 C 6 25 C Threshold Current, ITH (mA) Operation Current, IOP (mA) 50 IOP 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 CHARACTERISTICS (S11) Pf = 2 mW Return Loss (10 dB/div.) 0.05 Response (3 dB/div.) 0.05 2.25 5.05 2.55 5.05 Frequency, f (GHz) Frequency, f (GHz) NDL7620P SERIES TYPICAL PERFORMANCE CURVES (TC = -40 to +85C) LONGITUDINAL MODE 10 TC = 0 C 2.488 Gb/s, NRZ, Ib = ITH 10 LONGITUDINAL MODE TC = 0 C 2.488 Gb/s, NRZ, Ib = ITH Relative Intensity -30 -70 1.3054 Relative Intensity -30 -70 1.3154 1.3254 1.3114 1.3214 1.3314 Wavelength, (nm) Wavelength, (nm) EYE DIAGRAM TC = 25 C EYE DIAGRAM TC = 70 C Relative Intensity Relative Intensity Time Base (100 ps/div.) Time Base (100 ps/div.) ERROR RATE CHARACTERISTICS 10-5 2.5Gb/s, NRZ, Ref. = -14 dB 10-6 Bit Error Rate 10-7 back to back - - - - after 50 km TC = 0 C 10-8 10-9 10-10 10-11 -36 -35 -34 -33 -32 70 C -31 -30 Average Recieved Power, P (dBm) NDL7620P SERIES OUTLINE DIMENSIONS (Units in mm) NDL7620P Optical Fiber SM-9/125 Length: 1 m Optical Fiber SM-9/125 Length: 1 m NDL7620P1 3.20.25 0.9 3.20.25 0.9 70.2 15 15 70.2 29.01.0 22.2 29.01.0 8 4.10.8 8 5.30.8 0.450.05 2.00.2 4.00.2 201.0 0.450.05 201.0 60.1 60.1 12.70.2 17.00.2 PD PD 3 2 LD CASE P.C.D. = 2 43 12 P.C.D. = 2 43 12 4 70.2 1 4 7.20.3 3.70.3 1 LD CASE 3 2 1.00.1 NDL7620P2 Optical Fiber SM-9/125 Length: 1 m 3.20.25 0.9 ORDERING INFORMATION 15 70.2 8 29.31.0 0.50.2 0.3 2.51.0 19.51.0 0.3 4-0.450.05 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 DESCRIPTION No Flange Flat Mount Flange Vertical Flange 16 2 3 1 4 P.C.D. = 2 2-2.5 70.2 2 PD 1 3 4 LD CASE 120.15 16.0 EXCLUSIVE NORTH AMERICAN AGENT FOR RF, MICROWAVE & OPTOELECTRONIC SEMICONDUCTORS CALIFORNIA EASTERN LABORATORIES * Headquarters * 4590 Patrick Henry Drive * Santa Clara, CA 95054-1817 * (408) 988-3500 * Telex 34-6393 * FAX (408) 988-0279 24-Hour Fax-On-Demand: 800-390-3232 (U.S. and Canada only) * Internet: http://WWW.CEL.COM 02/01/2000 DATA SUBJECT TO CHANGE WITHOUT NOTICE |
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