1 zarlink semiconductor inc. zarlink, zl and the zarlink semiconductor logo are trademarks of zarlink semiconductor inc. copyright 2003-4, zarlink semiconductor inc. all rights reserved. features ? 850 nm oxide confined vcsel ? power monitored ? data rate up to 3.1 gbps ? high fibre coupling efficiency ? optical field stable over temperature and current applications ? high speed data communication and telecommunication ? gigabit ethernet / infiniband / fibrechannel / atm figure 1 - pin diagram description the zl60002 is a high speed to-46 assembled 850 nm vcsel (vertical cavity surface-emitting laser). the product converts electrical current into optical power to be used for fibre optic communications. the device incorporates a photodiode which monitor the optical power by produ cing a current proportional to the output power which allow for feedback control. the zl60002 has a narrow beam divergence which is stable over temperature and current. this give rise to high and stable fibre coup ling efficiency without any additional lenses. bottom view vcsel monitor the vcsel anode is in electrical contact cathode anode vcsel anode monitor cathode with the case. april 2004 zl60002 high speed 2.5 gbps 850 nm vcsel data sheet ordering information zl60002/tbd to-46 with lens -0 c to +70 c warning: laser radiation, avoid exposure to beam. class 3b laser product, potential eye hazard. warnin g labels in each box
zl60002 data sheet 2 zarlink semiconductor inc. ?at 25 c case temperature unless otherwise stated. note 1: ansi x3.230-1994 note 2: infiniband sec. 8.5.3.2 note 3: over operating current and bias over threshold absolute maximum ratings parameter symbol min. typ. max. unit storage temperature t s -40 +100 c operating temperature (case) t o 0+70c continuous forward current (f<10 khz) i f 15 ma reverse voltage v r 5v soldering temperature (2 mm from case for 10 sec) t sld 260 c vcsel thermal characteristics parameter symbol min. typ. max. unit thermal resistance ? infinite heat sink r thjc 1000 c/w thermal resistance ? no heat sink r thja 1300 c/w temp. coefficient - wavelength d /dt j 0.06 nm/c optical power ? variation (0 ? 70 c) ? p o 0.3 %/c threshold current ? variation (0 ? 70 c) ? i th 0.6 ma electro-optical characteristics ? parameter symbol min. typ. max. unit test condition fiber-coupled power (50/125 m fibre) p fibre 0.5 mw i f = 7 ma optical power p o 1.3 mw i f = 7 ma threshold current (0 ? 70 c) i th 14.5ma forward voltage v f 1.6 2.2 v i f = 7 ma centre wavelength c 830 850 860 nm i f = 7 ma rms spectral width ? 0.85 nm i f = 7 ma differential resistance r diff 50 ? i f = 7 ma relative intensity noise rin -120 db/hz i f = 7 ma, note 1 optical rise time (20%-80%) t r 80 130 ps note 2 optical fall time (20%-80%) t f 100 140 ps note 2 beam divergence (1/e 2 ) q 5 15 note 3
zl60002 data sheet 3 zarlink semiconductor inc. figure 2 - threshold current over temperature figure 3 - optical power vs forward current monitor diode characteristics photodiode parameters symbol min. typ. max. unit test condition monitor current i pd 0.1 1 ma p coup =0.5mw monitor current temperature variation di pd /dt 0.3 %/ c p coup =0.5mw dark current i d 20 na v r =3v capacitance c 15 pf v r =3v, freq = 1mhz 0% 20% 40% 60% 80% 100% 120% 140% -40 -20 0 20 40 60 80 100 temperature (c) relative threshold current 16 0% 20% 40% 60% 80% 100% 120% 0 2 4 6 8 10 12 14 forward current (ma) relative optical power
zl60002 data sheet 4 zarlink semiconductor inc. figure 4 - monitor current vs fiber coupled power 0 0,2 0,4 0,6 0,8 1 1,2 1,4 0 0,2 0,4 0,6 0,8 1 1,2 1,4 1,6 fiber coupled power (mw) monitor current (ma)
b o t t o m v i e w ( 1 0 : 1 ) s i d e v i e w ? z a r l i n k s e m i c o n d u c t o r 2 0 0 2 . a l l r i g h t s r e s e r v e d . i s s u e a c n d a t e a p p r d . p r e v i o u s p a c k a g e c o d e s t i t l e d r a w i n g t y p e p a c k a g e c o d e 1 j s 0 0 4 0 7 7 r 1 a 2 2 - m a r - 0 3 t d / b e j s 0 0 4 0 7 7 p a c k a g e d r a w i n g , t o - 4 6 w i t h l e n s t b 1 , 0 ` 0 , 2 0 , 9 ` 0 , 2 2 , 5 4 n 0 , 4 n - 0 0 , 0 7 + ( 3 x ) n 0 , 9 m a x 1 4 ` 0 , 5 0 . 2 5 m a x g l a s s o v e r m o u l d ( 2 x ) w e l d e d 0 , 6 n 4 , 7 l e n s n 1 . 5 ` 0 . 0 5 n 1 , 1 9 ( 2 x ) 3 , 8 r 0 , 4 m a x n o t e s : - 1 . a l l d i m e n s i o n s i n m m . 2 . g e n e r a l t o l . i s o - 2 7 6 8 - m k . 3 . c o a t i n g : c a s e : n i 1 , 5 - 2 , 5 m . h e a d e r : n i m i n 0 , 5 m / a u m i n 1 , 5 m . 4 5 r 2 , 7
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