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data sheet 1 2002-05-01 medium power bidi ? optical standard module 1310 nm emitting, 1310 nm receiving sbm52214x fiber optics bidi ? is a registered trademark of infineon technologies features designed for application in passive-optical networks integrated wavelength division multiplexer (wdm) or beam splitter bi-directional transmission in one optical window single fiber solution fp-laser diode with multi-quantum well structure class 3b laser product suitable for bit rates up to 1.25 gbit/s ternary photodiode at rear mirror for monitoring and control of radiant power low noise / high bandwidth pin diode hermetically sealed subcomponents, similar to to 46 with singlemode fiber pigtail
sbm52214x pin configuration data sheet 2 2002-05-01 pin configuration figure 1 transmitter figure 2 receiver other pinnings on request / different drawing set required for non standard pinning available pinnings type transmitter receiver sbm52214x 2 (standard) 1 (standard) 1 2 3 4 2.54 mm transmitter (bottom view) 1 4 2 3 md ld pinning 1 (on request) 1 4 2 3 md ld pinning 2 (standard) 1 2 3 2.54 mm 1 2 3 2.54 mm receiver (bottom view) pinning 1 pinning 2 2 3 1 pinning 1 (standard) 3 2 1 pinning 2 (on request)
sbm52214x description data sheet 3 2002-05-01 description the infineon module for bidirectional optical transmission has been designed for different optical networks structures. in the last few years the structure has changed from point to point planned for broad band isdn to a point to multipoint passive optical network (pon) architecture for the optical network in the subscriber loop. a transceiver can be realized with discrete elements ( figure 3 ). transmitter and receiver with pigtails are connected with a fiber-coupler (2:1 or 2:2, wavelength independent or wdm). figure 3 realization with discrete elements infineon has realized this transceiver configuration in a compact module called a bidi ? ( figure 4 ). this module is especially suitable for separating the opposing signals at the ends of a link. it replaces a discrete solution with a transmitter, receiver and coupler. the basic devices are a laser diode and a photodiode, each in a to package, plus the filter in the beam path. a lens in the to laser concentrates the light and enables it to be launched into the single-mode fiber of the module. in the same way the light from the fiber is focused onto the small, light-sensitive area of the photodiode to produce a high photo current. the mirror for coupling out the received signal is arranged in the beam so that the transmitter and receiver are at right angles to each other. this means the greatest possible degree of freedom in the layout of the electric circuit. coupler 2:1 or 2:2 3 db wavelength independent or wavelength division multiplexing transmitter receiver
sbm52214x description data sheet 4 2002-05-01 figure 4 compact realization of the transceiver in one module a decisive advantage of the module is its use of standard to components. these devices, produced in large quantities, are hermetically sealed and tested before they are built in. this makes a very substantial contribution to the excellent reliability of the module. the solid metal package of the module serves the same purpose. it allows the use of modern laser welding techniques for reliable fixing of the different elements and the fiber holder. to-detector glass lens fiber beam splitter to- laser
sbm52214x technical data data sheet 5 2002-05-01 technical data absolute maximum ratings parameter symbol limit values unit min. max. module operating temperature range at case t c ?40 85 c storage temperature range t stg ?40 85 soldering temperature ( t max = 10 s, 2 mm distance from bottom edge of case) t s 260 laser diode direct forward current i f max 120 ma radiant power cw p f, rad 2mw reverse voltage v r 2v monitor diode reverse voltage v r 10 v forward current i f 2ma receiver diode reverse voltage v r 10 v forward current i f 2ma optical power into the optical port p port 1.5 mw
sbm52214x technical data data sheet 6 2002-05-01 the electro-optical characteristics described in the following tables are only valid for use within the specified maximum ratings or under the recommended operating conditions. transmitter electro-optical characteristics parameter symbol limit values unit min. typ. max. optical output power (maximum) p f, max 1.2 mw emission wavelength center of range, p f = 0.5 p f, max. trans 1270 1350 nm spectral width (rms) 5 temperature coefficient of wavelength tc 0.5 nm/k threshold current (whole temperature range) i th 245ma forward voltage, p f = 0.5 p f, max. v f 1.5 v radiant power at i th p th 50 w slope efficiency (?40...85c) 20 100 mw/a variation of 1st derivative of p/i (0.1 to 1.0 mw) s var ?30 30 % differential series resistance r s 8 ? rise time (10%?90%) t r 100 200 ps fall time (10%?90%) t f 270 500 monitor diode electro-optical characteristics parameter symbol limit values unit min. max. dark current, v r = 5 v, p f = 0, t = t max i r 200 na photocurrent, v r = 5 v, p f = 0.5 p f, max i p 50 1500 a capacitance, v r = 5 v, f = 1 mhz c 5 10 pf tracking error 1) , v r = 5 v 1) the tracking error te is the maximum deviation of p f at constant current i mon over a specified temperature range and relative to the reference point: i mon, ref = i mon ( t = 25c, p f = 0.5 p f, max. ). thus, te is given by: te ?1 1 db te db [] 10 p f t c [] p f 25c [] ------------------------ - log =
sbm52214x technical data data sheet 7 2002-05-01 receiver diode electro-optical characteristics parameter symbol limit values unit min. max. spectral sensitivity, v r = 5 v, = 1310 nm s rec 0.3 1 a/w rise and fall time (10%?90%) r l = 50 ? , v r = 5 v t r ; t f 1ns total capacitance v r = 5 v, p opt = 0, f = 1 mhz c 1.5 pf dark current, v r = 5 v, p opt = 0 i d 50 na module electro-optical characteristics parameter symbol limit values unit min. max. optical crosstalk 1) 1) optical crosstalk is defined as with: i det,0 : the photocurrent with p f = 0.5 p f, max. , without optical input, cw laser operation, v r = 2 v and i det,1 : the photocurrent without p f , but 0.5 p f, max. optical input power, = 1310 nm. crt ?22 db end of life time characteristics parameter symbol limit values unit min. max. threshold current at t = t max i th 60 ma current above threshold, over full temperature range, at i mon, ref = i mon ( t = 25c, p f = 0.5 p f, max. , bol) ? i f 770 tracking error te ?1.5 1.5 db detector dark current, v r = 2 v, t = t max i r 400 na monitor dark current, v r = 2 v, t = t max i r 1a crt db [] 10 i det.0 i det.1 ----------- - log =
sbm52214x fiber data data sheet 8 2002-05-01 fiber data the mechanical fiber characteristics are described in the following table. fiber characteristics parameter limit values unit min. typ. max. mode field diameter 8 9 10 m cladding diameter 123 125 127 mode field/cladding concentricity error 1 cladding non-circularity 2 % mode field non-circularity 6 cut off wavelength 1270 nm jacket diameter 0.8 1 mm bending radius 30 tensile strength fiber case 5 n length 0.8 1.2 m
sbm52214x eye safety data sheet 9 2002-05-01 eye safety ensure to avoid exposure of human eyes to high power laser diode emitted laser beams. especially do not look directly into the laser diode or the collimated laser beam when the diode is activated. class 3b laser product according to iec 60825-1 figure 5 required labels class iiib laser product according to fda regulations complies with 21 cfr 1040.10 and 1040.11 figure 6 required label laser data wavelength 1310 nm maximum total output power less than 50 mw beam divergence (1/e 2 )10 invisible laser radiation avoid exposure to beam class 3b laser product semiconductor laser invisible radiation class iiib laser product laser radiation - avoid direct exposure to beam
sbm52214x package outlines data sheet 10 2002-05-01 package outlines figure 7 connector options model type sbm52214g sbm51214g sm fc/pc SBM52214N sbm51214n sm sc/pc 0 sbm52214z sbm51214z sm without connector connector type 1) 1mm above to-bottom dimensions in mm
edition 2002-05-01 published by infineon technologies ag, st.-martin-strasse 53, d-81541 mnchen, germany ? infineon technologies ag 2002. all rights reserved. attention please! the information herein is given to describe certain components and shall not be considered as warranted characteristics. terms of delivery and rights to technical change reserved. we hereby disclaim any and all warranties, including but not limited to warranties of non-infringement, regarding circuits, descriptions and charts stated herein. infineon technologies is an approved cecc manufacturer. information for further information on technology, delivery terms and conditions and prices please contact your nearest infineon technologies office in germany or our infineon technologies representatives worldwide. warnings due to technical requirements components may contain dangerous substances. for information on the types in question please contact your nearest infineon technologies office. infineon technologies components may only be used in life-support devices or systems with the express written approval of infineon technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system, or to affect the safety or effectiveness of that device or system. life-support devices or systems are intended to be implanted in the human body, or to support and/or maintain and sustain and/or protect human life. if they fail, it is reasonable to assume that the health of the user or other persons may be endangered. for questions on technology, delivery and prices please contact the infineon technologies offices in germany or the infineon technologies companies and representatives worldwide: see our webpage at http://www.infineon.com. sbm52214x revision history: 2002-05-01 ds0 previous version: page subjects (major changes since last revision) document?s layout has been changed: 2002-aug.

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