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D2547P57 Datasheet(PDF) 6 Page - Agere Systems |
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D2547P57 Datasheet(HTML) 6 Page - Agere Systems |
6 / 14 page Wavelength-Selected, High-Power D2587P-Type (with Wavelength Data Sheet, Rev. 2 Locker)/D2547P-Type Isolated DFB Laser Modules July 2001 6 Agere Systems Inc. Characteristics (continued) Minimum and maximum values are testing requirements. Typical values are device characteristics and are results of engineering evaluations; they are for information purposes only and are not part of the testing requirements. * Standard operating condition is 5.0 V reverse bias. † Ratio of thermistor resistance at 0 °C to thermistor resistance at 50 °C. * Custom wavelengths available. † The ST ferrule key is not aligned to slow axis of fiber. Connector is intended for testing purposes only. Table 4. D2547P-Type Electrical Characteristics (at 25 °C laser temperature) Parameter Symbol Test Conditions Min Typ Max Unit Threshold Current ITH — — 15 40 mA Drive Current — LF = 20 mW — — 165 mA Laser Forward Voltage VLF LF = 20 mW (CW) — 2 2.5 V Monitor Reverse-bias Voltage* VRMON —3 5 10 V Back-facet Monitor Current: IRMON PO = 20 mW (CW) 0.2 — — mA Monitor Dark Current ID IF = 0, VRMON = 5 V — 0.01 0.1 µA Input Impedance ZIN —— 25 — Ω Thermistor Current ITC —10 — 100 µA Resistance Ratio† — — 9.1 9.6 10.1 — Thermistor Resistance RTH TL = 25 °C 9.5 — 10.5 k Ω Laser Submount Temperature TLASER — 20 — 35 °C TEC Current ITEC TL = 25 °C, TC = 70 °C — — 1.7 A TEC Voltage VTEC TL = 25 °C, TC = 70 °C — — 2.8 V TEC Capacity ∆TTC = 70 °C — — 50 °C Table 5. D2547P-Type Optical Characteristics (at 25 °C laser temperature) Parameter Symbol Test Conditions Min Typ Max Unit Peak Optical Output Power PP —20.0 — — mW Center Wavelength* (See Ordering Information, page 12.) λC TL = TSET λC = λITU ± 0.1 nm 1528.77 — 1610.06 nm Line Width (3 dB full width) ∆λ CW, PF = 20.0 mW — 2 10 MHz Side-mode Suppression Ratio SMSR CW 35 45 — dB Relative Intensity Noise RIN CW, PF = 20 mW 200 MHz < f < 10 GHz — — –135 dB/Hz Optical Isolation — TC = 0 °C to 75 °C 30 — — dB Optical Polarization Extinction Ratio† — 0 °C to 75 °C 20 — — dB FM Efficiency FM fMOD = 30 kHz, PF = 20 mW — 100 — MHz/mA Wavelength Drift (EOL) ∆λC Tested over 25-year lifetime —— ±0.1 nm |
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