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D572-20AS Datasheet(PDF) 3 Page - Agere Systems |
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D572-20AS Datasheet(HTML) 3 Page - Agere Systems |
3 / 8 page Advance Data Sheet D572-Type 1.5 µm Uncooled DFB FastLight Laser Module February 2000 for 2.5 Gbits/s and High-Bandwidth Applications 3 Lucent Technologies Inc. Handling Precautions CAUTION: This device is susceptible to damage as a result of electrostatic discharge (ESD). Take proper precautions during both handling and testing. Follow EIA * Standard EIA-625. Although protection circuitry is designed into the device, take proper precautions to avoid exposure to ESD. * EIA is a registered trademark of Electronic Industries Association. Electro-Optical Characteristics 1. BOL value; EOL = 80 mA. 2. The slope efficiency is used to calculate the modulation current for a desired output power. This modulation current plus the threshold current comprise the total operating current for the device. 3 1510 nm wavelength also available. 4. Corrected for electrical pulse fall time. 5. VR = reverse voltage. Table 2. Electro-Optical Characteristics (over operating temperature range unless otherwise noted) Parameter Symbol Test Conditions Min Typ Max Unit Operating Temperature Range T — –25 — 70 °C Optical Output Power PF CW, peak — 2 — mW Threshold Current ITH T = 25 °C T = full range 5 2 11 — 15 60 mA mA Modulation Current IMOD CW, PF = 2.0 mW, T = 25 °C CW, IMON = constant, T = full range 15 7.5 25 — 35 601 mA mA Slope Efficiency2 SE CW, PF = 2.0 mW, T = 25 °C 57 — 133 µW/mA Center Wavelength3 λC PF = 2.0 mW, CW 1530 1550 1570 nm Spectral Width (–20 dB) ∆λ PF = 2.0 mW — — 1 nm Side-mode Suppression Ratio SMSR CW, PF = 2.0 mW 30 40 — dB Tracking Error TE IMON = constant, CW — — 1.5 dB Spontaneous Emission PTH I = (0.9) ITH — — 100 µW Rise/Fall Times tR, tF 10%—90% pulse4, T = 25 °C — 0.125 0.175 ns Dispersion Penalty DP 1200 ps/nm—1600 ps/nm; typical, 1350 ps/nm — — 2.0 dB Optical Return Loss ORL CW 18 — — dB Forward Voltage VF At bias coil — 1.0 1.6 V Input Impedance R — — 25 — Ω Monitor Current IMON VR5 = 5 V 100 — 1000 µA Monitor Dark Current ID VR5= 5 V — 10 200 nA Wavelength Tempera- ture Coefficient — — — 0.09 0.12 nm/ °C |
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