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| E2V0034-37-X1 electronic components OL4492L, OL5492L/A, OL5492L/B LASER DIODES 1.48, 1.51, 1.52 mm Coaxial DFB Laser Module OL4492L, OL5492L/A, OL5492L/B GENERAL DESCRIPTION The OL4492L, OL5492L/A, and OL5492L/B are MQW-DFB laser diode coaxial modules with optical isolator and single-mode fiber pigtails. These modules are optimal light sources for WDM supervisory channel in SDH system with optical in-line amplifier. FEATURES * * * * * * Single-mode fiber output: Pf=2 mW Side mode suppression ratio: 30dB Includes monitor PD for power control Built-in optical isolator Wide operation temperature range Multi-quantum-well (MQW) structure APPLICATIONS * WDM supervisory channel in SDH system with optical in-line amplifier 1/6 LASER DIODES OL4492L, OL5492L/A, OL5492L/B PACKAGE DIMENSIONS (Unit: mm) * OL4492L, OL5492L/A, OL5492L/B f6.8 2-f2.2 7 12.7 17 e f4 4-f0.45 6.4 r q CASE LD w q 1 w 2 r PD e 13 4 26.6 2/6 LASER DIODES OL4492L, OL5492L/A, OL5492L/B ABSOLUTE MAXIMUM RATINGS Parameter Fiber Output LD Forward Current PD Reverse Voltage PD Forward Current Operating Temperature Storage Temperature Symbol Pf IF (LD) VR (PD) IF (PD) Topr Tstg -- -- Ta=25C Test Conditions Ratings 3 150 20 10 0 to +65 -40 to +85 Unit mW mA V mA C C OPTICAL AND ELECTRICAL CHARACTERISTICS (Ta=25C) Parameter Threshold Current Fiber Output Power Operating current Side Mode Suppresion Ratio Rise Time Fall Time Forward Voltage PD Dark Current Monitor Current Symbol Test Conditions Ith Pf Iop SMSR tr tf VF IDARK Im -- CW Pf=2 mW Pf=2 mW Ibias=Ith Pf=2 mW, 10% to 90% Pf=2 mW VR(PD)=5 V VR (PD)=5 V, Pf=2 mW Min. -- 2 -- 30 -- -- -- -- 50 Typ. -- -- -- -- -- -- 1.1 0.5 -- Max. 40 -- 120 -- 0.5 0.5 1.5 20 -- Unit mA mW mA dB ns ns V nA mA Peak Wavelength (Ta=0 to 65C) Model OL4492L OL5492L/A OL5492L/B lp Pf=2mW Symbol Test Conditions Min. 1470 1500 1510 Max. 1490 1520 1530 nm Unit 3/6 LASER DIODES OL4492L, OL5492L/A, OL5492L/B TYPICAL CHARACTERISTICS * OL4492L Fiber Output Power vs. Forward Current (Ta=25C) 3.5 (Pf-Im) (Pf-IF) 2.1 2.8 Fiber Output Power Pf (mW) 1.4 0.7 0 0 20 40 60 80 Forward Current IF (mA) 100 0 0.4 0.8 1.2 1.6 Monitor Current Im (mA) 2 * OL4492L Oscillation Spectrum (Ta=25C) 5 Relative Intensity (dB) -15 -35 -55 -75 1469.1 1479.1 Wavelength (nm) 1489.1 4/6 LASER DIODES OL4492L, OL5492L/A, OL5492L/B TYPICAL CHARACTERISTICS (Continued) * OL5492L/A Fiber Output Power vs. Forward Current (Ta=25C) 3 (Pf-IF) (Pf-Im) 2.4 Fiber Output Power Pf (mW) 1.8 1.2 0.6 0 0 20 40 60 80 Forward Current IF (mA) 100 0 0.4 0.8 1.2 1.6 Monitor Current Im (mA) 2 * OL5492L/A Oscillation Spectrum (Ta=25C) 5 Relative Intensity (dB) -15 -35 -55 -75 1499.9 1509.9 Wavelength (nm) 1519.9 5/6 LASER DIODES OL4492L, OL5492L/A, OL5492L/B TYPICAL CHARACTERISTICS (Continued) * OL5492L/B Fiber Output Power vs. Forward Current (Ta=25C) 3 (Pf-Im) (Pf-IF) 1.8 2.4 Fiber Output Power Pf (mW) 1.2 0.6 0 0 20 40 60 80 Forward Current IF (mA) 100 0 0.4 0.8 1.2 1.6 Monitor Current Im (mA) 2 * OL5492L/B Oscillation Spectrum (Ta=25C) 5 Relative Intensity (dB) -15 -35 -55 -75 1513.9 1523.9 Wavelength (nm) 1533.9 6/6 |
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