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NDL7620P1 Datasheet(PDF) 1 Page - NEC |
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NDL7620P1 Datasheet(HTML) 1 Page - NEC |
1 / 4 page 1310 nm OPTICAL FIBER COMMUNICATIONS InGaAsP STRAINED MQW-DFB LASER DIODE COAXIAL MODULE FOR 2.5 Gb/s NDL7620P SERIES FEATURES • PEAK EMISSION WAVELENGTH: λP = 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 +70 °C • λ/4 - PHASE-SHIFTED DFB The NDL7620P Series is a 1310 nm λ/4-phase-shifted DFB (Distributed Feed-Back) laser diode coaxial module with inter- nal 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 +70 °C. It is designed for STM-16 applications. DESCRIPTION California Eastern Laboratories Note: Pf (mW) TC = 25 °C (at Pf (25 °C) = 2 mW) TC = 0 to +70 °C 2 0 Pf Im Im Pf 1. γ = 10 log 2mW PART NUMBER NDL7620P Series PACKAGE OUTLINE SYMBOLS PARAMETERS AND CONDITIONS UNITS MIN TYP MAX VF Forward Voltage, Pf = 2 mW, TC = 25 °C V 0.9 1.4 Pf Optical Output Power from Fiber, IF = ITH + 40 mA mW 2.0 ITH Threshold Current mA 45 ηd Differential Efficiency from Fiber, Pf = 2 mW W/A 0.05 ∆ηd Temperature Dependence of Differential Efficiency dB -3.5 -2.5 from Fiber, ∆ηd = 10 log λp Peak Emission Wavelength, Pf = 1 mW, Ib = ITH, nm 1290 1310 1330 2.5 G/s-NRZ, PN 1/2 SMSR Side Mode Suppression Ratio, Pf = 1 mW, Ib = ITH,dB 30 40 2.5 G/s-NRZ, PN 1/2 tr Rise Time, 10-90%, Ib = 0.9 x Ith ps 40 125 tf Fall Time, 90-10%, Ib = 0.9 X Ith ps 100 200 Im Monitor Current, VR = 5 V, Pf = 2 mW µA 50 2000 ID Monitor Dark Current, VR = 5 V, TC = 25 °C nA 0.5 5.0 Ct Monitor PD Terminal Capacitance, VR = 5 V pF 1.0 1.5 γ1 Tracking Error, Im = const. dB 1.0 ELECTRO-OPTICAL CHARACTERISTICS (TC = 0 to +70 °C, unless otherwise specified) ηd (TC = 70° C) ηd (TC = 25° C) |
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