NEC's 1550 nm InGaAsP MQW DFB NX8504BE-CC LASER DIODE IN COAXIAL PACKAGE NX8504CE-CC for 622 Mb/s APPLICATION FEATURES DESCRIPTION • PEAK EMISSION WAVELENGTH: λP = 1550 nm NEC's NX8504BE-CC and NX8504CE-CC are 1550 nm Distributed Feed-Back (DFB) laser diode coaxial modules with optical isolator. • OPTICAL OUTPUT POWER: Pf = 2.0 mW These modules are ideal as a light source for Synchronous Digital Hierarchy (SDH) system, STM-4, long-haul L-4.2, L-4.3 ITU-T recommendations. • INTERNAL OPTICAL ISOLATOR • InGaAs MONITOR PIN-PD • WIDE OPERATING TEMPERATURE RANGE: TC = -10 to +85°C • WITH SC-UPC CONNECTOR • BASED ON TELCORDIA RELIABILITY ELECTRO-OPTICAL CHARACTERISTICS (TC = -10 to +85°C, unless otherwise specified) PART NUMBER SYMBOLS Pf PARAMETERS AND CONDITIONS Optical Output Power from Fiber, CW VOP Operating Voltage, Pf = 2.0 mW ITH Threshold Current TC = +25°C NX8504BE-CC, NX8504CE-CC UNITS MIN TYP MAX mW 2.0 V 1.1 1.6 mA mA 15 25 50 2 PTH Threshold Output Power, IF = ITH µW IMOD Modulation Current Pf = 2.0 mW, TC = 25°C Pf = 2.0 mW mA mA 11 9 20 35 55 Pf = 2.0 mW, TC = 25°C Pf = 2.0 mW Temperature Dependence of Differential Efficiency, ηd (@ TC °C) ∆ηd = 10 log ηd (@ 25 °C) W/A W/A dB 0.060 0.036 -3 0.100 0.150 0.200 1530 1550 1570 ηd ∆η d Kink λp Differential Efficiency Kink, Pf = Up to 2.4 mW (Refer to defenitions) % Peak Emission Wavelength, Pf = 2.0 mW nm -1.6 ±20 nm/°C 0.10 0.12 Spectral Width, Pf = 2.0 mW, -20 dB down width nm 0.3 1.0 Side Mode Suppression Ratio, Pf = 2.0 mW dB tr Rise Time, 10 to 90%, Ppk = 2.0 mW, IF = ITH ns tf Fall Time, 90 to 10%, Ppk = 2.0 mW, IF = ITH ns Im Monitor Current, VR = 5 V, Pf = 2.0 mW µA ID Monitor Dark Current Ct Monitor PD Terminal Capacitance, VR = 5 V, f = 1 MHz ∆λ/∆T ∆λ SMSR LINm γ1 Temperature Dependence of Peak Emission Wavelength 100 VR = 5 V, TC = 25 °C VR = 5 V 30 40 0.5 0.5 1000 2000 nA nA 1.0 10 50 500 pF 1.0 20 0.5 1.0 Linearity, VR = 5 V, Pf = 0.2 to 2.0 mW (Refer to defenitions) % Tracking Error, Im = const. (Refer to defenitions) dB 200 10 California Eastern Laboratories NX8504BE-CC, NX8504CE-CC ABSOLUTE MAXIMUM RATINGS1 (TC = 25°C, unless otherwise specified) SYMBOLS PARAMETERS UNITS RATINGS 150 IF Forward Current of LD mA Pf Optical Output Power mW 5.0 VR Reverse Voltage of LD V 2.0 2.0 IF Forward Current of PD mA VR Reverse Voltage of PD V 15 TC Operating Case Temperature °C -10 to +85 TSTG Storage Temperature °C -40 to +85 TSLD Lead Soldering Temperature (10 s) °C 260 % 85 RH Relative Humidity, (noncondensing) Note: 1. Operation in excess of any one of these parameters may result in permanent damage. PARAMETER DEFINITIONS Kink : kink Pf (mW) IF - Pf 2.4 dPo PK dPK IF - ηd 0 kink = |dPK| x 100 [%] PK dPK = dPo MAX PK ≤ 2.4 (mW) IF (mA) Linearity : LINm Pf (mW) 2.0 LINm = PK |dPL| x 100 [%] PL dPL = dPo MAX 0.2 < PL < 2.0 (mW) PL dPL dPo 0.2 0 Im (mA) Tracking Error : γ Pf (mW) TC = 25°C Pf γ = |10 log 2.0 2.0 TC = -10 to +85C Pf 0 Im Im (mA) | [dB] NX8504BE-CC, NX8504CE-CC TYPICAL PERFORMANCE CURVES (TC = 25°C, unless otherwise specified) OPTICAL OUTPUT POWER vs. MONITOR CURRENT OPTICAL OUTPUT POWER vs. FORWARD CURRENT OPtical Output Power , Pf (mW) 85 °C 0°C = -4 25° C 4.0 TC OPtical Output Power , Pf (mW) 4.0 3.0 2.0 1.0 0 20 40 60 80 3.0 +85°C 2.0 1.0 0.0 100 0.4 0.8 1.2 1.6 Forward Current, IF (mA) Monitor Current, IM (mA) OPERATING CURRENT AND THRESHOLD CURRENT vs. CASE TEMPERATURE FOWARD CURRENT vs. FORWARD VOLTAGE 100 2.0 50 Forward Current, IF (mA) Threshold Current, ITH (mA) Operation Current, IOP (mA) TC = -40°C +25°C IOP at Pf = 2 mW ITH 10 40 30 20 10 1 -60 -40 -20 0 20 40 60 80 0 100 0.5 1.5 2.0 2.5 Forward Voltage, VF (V) Case Temperature, TC (°C) TEMPERATURE DEPENDENCE OF DIFFERENTIAL EFFICIENCY FROM FIBER TEMPERATURE DEPENDENCE OF PEAK EMISSION WAVELENGTH 0.18 1560 Peak Emission Wavelength, λp (nm) Differential Efficiency from Fiber, ηd (W/A) 1.0 0.12 0.06 1555 1550 1545 1540 0.00 -60 -40 -20 0 20 40 60 80 Case Temperature, TC (°C) Remark: The graphs indicate nominal characteristics 100 -60 -40 -20 0 20 40 60 Case Temperature, TC (°C) 80 100 NX8504BE-CC, NX8504CE-CC TYPICAL PERFORMANCE CURVES (TC = 25°C, unless otherwise specified) EYE DIAGRAM LONGITUDINAL MODE FROM FIBER 10 Relative Intensity, (dB) Relative Intensity, (dB) 0 -10 -20 -30 -40 -50 -60 622 Mb/s-NRZ, Ref = -14dB, 2 Vp-p (6 dB ATT), IB = ITH X 0.9 -70 1540.4 1550.4 1560.4 Time Base (500 ps/div.) Wavelength, λ (nm) ERROR RATE CHARACTERISTICS 10 -6 TC = -40°C, Ref = -14 dB, 622 Mbps-NRZ, 2 Vp-p, IB = ITH X 0.9 Bit Error Rate 10-7 10 -6 TC = 25°C, Ref = -14 dB, 622 Mbps-NRZ, 2 Vp-p, IB = ITH X 0.9 10-7 10-6 10-7 10-8 10-8 10-8 10-9 10-9 10-9 10-10 10-10 10-10 back to back 10-11 after 200 km -39 -38 back to back 10-11 after 200 km after 200 km 10-12 10-12 -40 back to back 10-11 TC = 85°C, Ref = -14 dB, 622 Mbps-NRZ, 2 Vp-p, IB = ITH X 0.9 -37 -36 -35 -34 -33 10-12 -40 -39 -38 -37 -36 -35 -34 Average Received Power, P (dBm) Remark: The graphs indicate nominal characteristics -33 -40 -39 -38 -37 -36 -35 -34 -33 NX8504BE-CC, NX8504CE-CC OUTLINE DIMENSIONS (Units in mm) NX8504CE-CC NX8504BE-CC Optical Fiber(SMF) Length: 0.5 m With SC connector φ3.2±0.25 Optical Fiber(SMF) Length: 0.5 m With SC connector φ0.9 φ3.2±0.25 15 φ0.9 15 φ7±0.2 φ7±0.2 8.2 2±φ2.2 27.8±1.0 8.2 28.1±1.0 2.0±0.2 4.0±0.2 0.5±0.2 φ0.45±0.05 20±1.0 2.5±1.0 19.5±1.0 0.3 4-φ0.45±0.05 0.3 φ6±0.1 12.7±0.2 17.0±0.2 PIN CONNECTIONS PIN CONNECTIONS PD P.C.D. = φ2 43 12 1.0±0.1 4 7.2±0.3 3.7±0.3 3 2 1 3 2 2 P.C.D. = φ2 2-φ2.5 φ16 1 7±0.2 4 PD 1 3 CASE LD CASE 12±0.15 16.0 OPTICAL FIBER CHARACTERISTICS PARAMETER SPEC Mode Field Diameter 9.5±1 Cladding Diameter 125±2 Maximum Cladding Noncircularity 2 Maximum Core/Cladding Concentricity 1.6 Outer Diameter 0.9±0.1 Cut-off Wavelength 1100 to 1270 Minimum Fiber Bending Radius 30 Fiber Length 500±50 Flammability UL1581 VW-1 4 LD ORDERING INFORMATION UNIT µm µm % % mm nm mm mm PART NUMBER AVAILABLE CONNECTOR DESCRIPTION Flat Mount Flange NX8504BE-CC With SC-PC Connector NX8504CE-CC Vertical Mount Flange 35±2 mm 8.99±0.5 mm SC-UPC Connector Fiber Length: 500±50 mm Life Support Applications These NEC products are not intended for use in life support devices, appliances, or systems where the malfunction of these products can reasonably be expected to result in personal injury. The customers of CEL using or selling these products for use in such applications do so at their own risk and agree to fully indemnify CEL for all damages resulting from such improper use or sale. 03/03/2003 A Business Partner of NEC Compound Semiconductor Devices, Ltd.