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| SLD131UL GaAlAs Laser Diode Description The SLD131UL is a low-power consumption and low-noise laser diode developed for portable CDs. Features * Low current consumption IOP: 20mA (PO = 2.5mW) * Supports single power supply. * Low noise Applications * Portable CDs Structure * GaAlAs double hetero laser diode * PIN photodiode to monitor laser beam output Absolute Maximum Ratings (Tc = 25C) * Optical power output PO 4 mW * Reverse voltage VR LD 2 V PD 15 V * Operating temperature Topr -10 to +60 C * Storage temperature Tstg -40 to +85 C M-259 Connection Diagram 3 COMMON Pin Configuration PD 2 1 LD 2 1 3 1. LD anode 2. PD anode 3. COMMON Bottom View Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits. -1- E94615-PK SLD131UL Electrical and Optical Characteristics (TC = 25C) Item Threshold current Operating current Operating voltage Wavelength Monitor current Perpendicular Rediation angle Positional accuracy Parallel Asymmetry Position Angle Ith Iop Vop p Im // SR X, Y, Z D AS ID CT Po = 2.5mW Po = 2.5mW | Z // -Z | VR = 5V VR = 5V, f = 1kHz 0.2 0.6 Po = 2.5mW Po = 2.5mW Po = 2.5mW Po = 2.5mW Po = 2.5mW VR = 5V 1.7 760 0.08 20 8 Symbol Conditions Min. Typ. 16 20 1.9 790 0.11 39 13 TC : Case temperature Max. 28 30 2.5 810 0.6 45 25 25 150 4 0.9 15 150 30 Unit mA mA V nm mA degree degree % m degree mW/mA m nA pF Differential efficiency Astigmatism Dark current of PD capacitance of PD Power SR = SL SR SL - SR SL + SR -7 0 7 // -2- SLD131UL Example of Representative Characteristics Optical power output vs. Forward current characteristics 5.0 Tc = 10C 4.5 Tc = 10C 60C 20C 30C 40C 50C 60C Po = 2.5mW, Tc = 25C Far field pattern (FFP) PO - Optical power output [mV] 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 0 5 10 15 20 25 Relative radiant intensity // 30 0.3 35 IF [mA] Imon [mA] -40 -30 -20 -10 0 Angle [ ] 10 20 30 40 0.1 0.2 IF - Forward current [mA] Threshold current vs. Temperature characteristics 100 80 Differential efficiency vs. Temperature characteristics 1.0 Po = 2.5mW D - Differential efficiency [mW/mA] 20 40 60 80 Ith - Threshold current [mA] 60 0.8 40 0.6 0.4 20 0.2 10 -20 0 0.0 -20 0 20 40 60 80 Tc - Case temperature [C] Tc - Case temperature [C] PIN diode voltage and current characteristics 0.25 Po = 2.5mW, Tc = 25C Monitor current vs. Temperature characteristics 1.0 0.8 0.6 Po = 2.5mW Im - Monitor current [mA] Current [mA] 0.4 0 0.2 -0.25 -1.0 0.0 Voltage [V] 1.0 0.1 -20 0 20 40 60 80 Tc - Case temperature [C] -3- SLD131UL Power dependence of far field pattern (Parallel to junction) Tc = 25C Power dependence of far field pattern (Perpendicular to junction) Tc = 25C Relative radiant intensity Relative radiant intensity Po = 4mW Po = 4mW Po = 2.5mW Po = 2.5mW Po = 1mW Po = 1mW -40 -30 -20 -10 0 Angle [ ] 10 20 30 40 0 -40 -30 -20 -10 0 Angle [ ] 10 20 30 40 Temperature dependence of far field pattern (Parallel to junction) Po = 2.5mW Temperature dependence of far field pattern (Perpendicular to junction) Po = 2.5mW Tc = 60C Relative radiant intensity Relative radiant intensity Tc = 50C Tc = 40C Tc = 60C Tc = 50C Tc = 40C Tc = 30C Tc = 20C Tc = 10C -40 -30 -20 -10 0 Angle [ ] 10 20 30 40 Tc = 30C Tc = 20C Tc = 10C -40 -30 -20 -10 0 Angle [ ] 10 20 30 40 -4- SLD131UL Power dependence of oscillating spectrum Tc = 25C Po = 1mW Relative radiant intensity Po = 2.5mW Po = 4mW 780 785 790 - Wavelength [nm] 795 800 -5- SLD131UL Temperature dependence of oscillating spectrum PO = 2.5mW Tc = 60C Relative radiant intensity Tc = 40C Tc = 20C 785 790 795 - Wavelength [nm] 800 805 -6- SLD131UL Package Outline Unit: mm M-259 Reference Slot 1.0 0.5 3 90 2 1 Window Glass 0.8 0 5.6 - 0.05 4.4 MAX 3.8 MAX 0.6 0.5 MIN 0.4 0.2 5 30 1.26 2 3 1 3 - 0.45 PCD 2.0 Reference Plane LD Chip & Photo Diode Optical Distance = 1.35 0.15 SONY CODE EIAJ CODE JEDEC CODE M-259 6.5 1.2 0.1 3.1 MAX PACKAGE WEIGHT 0.3g -7- |
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