fiber optic lan components lc sff duplex ofe 2.5 gbps hft219x-521 honeywell www.honeywell.com/sensing/vcsel features ? prealigned fixed lc duplex optical front end (ofe) ? vcsel packaged with a back monitor photodiode ? common anode and common cathode polarities available ? to-46 hermetic package for vcsel and pin + preamp ? 3.3 v operation ? gaas pin detector and bicmos preamplifier ? differential output for low noise ? high speed >1ghz ? laser signal is attenuated ? unattenuated versions available as well (hft2193-522 and hft2194-522) laser radiation avoid exposure to beam class 3b laser product the hft219x-52x is a single package transmitter and receiver designed to interface with the lc style optical connectors. the transmitter is a high performance 850nm vcsel (vertical cavity surface emitting laser) packaged for high speed data communications. this product combines all the performance advantages of vcsel with a custom designed power monitor diode. the power monitor diode can be used with an appropriate feedback control circuitry to set a maximum power level for each vcsel. attenuating coatings are available on the laser transmitter to simplify design and assist in meeting eye safety requirements. the pin + preamp converts optical power into a differential output electrical signal. as the light increases, the differential output voltage increases, limiting at input powers above ?10dbm. the differential output is designed to be ac coupled into a data amplifier. the honeywell hft219x-521 is designed to interface with 50/125 and 62.5/125 m multimode fiber within an lc style interface.
fiber optic lan components lc sff duplex ofe 2.5 gbps hft219x-521 2 honeywell for application help: call 1-800-537-6945 www.honeywell.com/sensing/vcsel vcsel parameters electro-optical characteristics (t a =25 o c unless otherwise stated) vcsel parameters test condition symbol min. typ. max. units notes peak fiber coupled optical power (see threshold current and slope efficiency which control power output) i f =9 ma peak 50/125 m fiber na=0.20 p oc 350 w 1 threshold current i th 13 5 ma threshold current temperature variation t a = 0 o c to 70 o c ? i th -1.5 1.5 ma 2 slope efficiency p oc =0.5 mw 0.028 0.14 mw/ma 3 slope efficiency temperature variation t a = 0 o c to 70 o c ? / ? t -6000 ppm/ o c peak wavelength i f =9 ma p 830 850 860 nm p temp coefficient i f =9 ma ? p / ? t 0.06 nm/ o c spectral bandwidth i f =9 ma, fwhm ? 0.85 nm laser forward voltage i f =9 ma v f 1.8 2.2 v laser reverse voltage i r =10 a bvr ld -10 v rise and fall time bias above threshold (20%-80%) t r t f 130 150 ps 4 relative intensity noise 1 ghz bw rin -130 -122 db/hz series resistance i f =9 ma r s 18 25 40 ohms series resistance temperature coefficient i f =9 ma, 0 o c to 70 o cdr s /dt -3000 ppm/ o c photodiode parameters test condition symbol min. typ. max. units notes monitor current p oc =0.5 mw i pd 0.42 ma monitor current temperature variation p oc =0.5 mw ? i pd / ? t 0.2 %/ o c dark current po=0 mw, v r =3 v i d 20 na pd reverse voltage po=0 mw, i r =10 a bvr pd 30 115 v 5 pd capacitance v r =0 v, freq=1 mhz v r =3 v, freq=1 mhz c75 40 100 55 pf notes: 1. operating power is set by the peak operating current i peak =i bias +i modulation . 2. operation at temperatures outside the specified range may result in the threshold current exceeding the maximums defined in the electro-optical characteristics table. 3. slope efficiency is defined as ? po/ ? if at a total power output of 0.5 mw. slope efficiency is intentionally lowered to the values shown by optical attenuation. 4. rise and fall times are sensitive to drive electronics. 5. to safeguard the vcsel from current spike damage, short the vcsel anode and cathode to each other during photodiode bvr verification testing. additionally to safeguard the pin photodiode, limit the photodiode reverse voltage in accordance with the absolute maximum rating
fiber optic lan components lc sff duplex ofe 2.5 gbps hft219x-521 3 honeywell for application help: call 1-800-537-6945 www.honeywell.com/sensing/vcsel receiver parameters electro-optical characteristics (vcc=3.3v, ac coupled to 50 ? , 0 c fiber optic lan components lc sff duplex ofe 2.5 gbps hft219x-521 4 honeywell for application help: call 1-800-537-6945 www.honeywell.com/sensing/vcsel absolute maximum ratings parameter rating storage temperature -40 to +85 c operating temperature 0 to +70 c lead solder temperature 260 c, 10 sec. continuous optical output power (any current) 5 mw laser diode reverse voltage (i r =10 a) 5 v laser continuous forward current, heat-sinked 15 ma pin photodiode forward current 10 ma power supply voltage (pin + preamp) 3.8 v incident optical power 0 dbm average, +4 dbm peak notice stresses greater than those listed under ?absolute maximum ratings? may cause permanent damage to the device. this is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operations section fo r extended periods of time may affect reliability. notice the inherent design of this component causes it to be sensitive to electrostatic discharge (esd). to prevent esd-induced damag e and/or degradation to equipment, take normal esd precautions when handling this pr oduct order guide catalog listing description HFT2190-521 attenuated, common anode hft2191-521 attenuated, common cathode
fiber optic lan components lc sff duplex ofe 2.5 gbps hft219x-521 5 honeywell for application help: call 1-800-537-6945 www.honeywell.com/sensing/vcsel typical performance curves emitted power vs. current: power varies approximately linearly with current above threshold. current emitted power i th typical i op , p op threshold current vs. temperature: threshold current varies parabolically with temperature; thus it can be nearly constant for a limited temperature range. temperature threshold current t min , i min i th = == = i min [1.110 -4 (t-t min ) 2 +1] emission intensity vs. wavelength: typical 10 ma spectrum comprises multiple lines corresponding to multiple transverse modes. wavelength emission intensity fwhm of envelope typically <0.5 nm notice the inherent design of this component causes it to be sensitive to electrostatic discharge (esd). to prevent esd- induced damage and/or degradation to equipment, take normal esd precautions when handling this pr oduct. danger the vcsel is a class iiib laser and should be treated as a potential eye hazard. due to the size of the com ponent, the applicable warning logotype, aperture label, and certification/ identification label cannot be placed on the component itself. these labels can be found on the individual envelope in which the vcsel unit is packaged, or attached to the shipping package.
fiber optic lan components lc sff duplex ofe 2.5 gbps hft219x-521 6 honeywell for application help: call 1-800-537-6945 www.honeywell.com/sensing/vcsel figure 1: internal schematic diagram of the hfd3180-102 figure 2: recommended interface circuit for the hfd3180-102 r=10 = ? c 1 = 10 nf c 2 = data rate dependant (22nf for rates > 1gb vcc inverted output n on-inverted internal limiting amplifier preamplifier ground pin hfd3180 vcc ground inverted output n on-inverted outpu t 50 ohm transmission line 50 ohm transmission line c 2 c 2 c 1 r input input limiting amplifier or test equipment
fiber optic lan components lc sff duplex ofe 2.5 gbps hft219x-521 7 honeywell for application help: call 1-800-537-6945 www.honeywell.com/sensing/vcsel
fiber optic lan components lc sff duplex ofe 2.5 gbps hft219x-521 7/23/01 honeywell inc. 11 west spring street freeport, illinois 61032 printed with soy ink on 50% recycled paper honeywell inc. optoelectronics facility 830 east arapaho road richardson, texas 75081 honeywell control systems ltd. zodiac house calleva park aldermaston, berkshire rg7 8hw england helping you control your world pk xxxx x dmm printed in usa warranty/remedy honeywell warrants goods of its manufacture as being free of defective materials and faulty workmanship. commencing with the date of shipment, honeywell?s warranty runs for 18 months. if warranted goods are returned to honeywell during that period of coverage, honeywell will repair or replace without charge those items it finds defective. the foregoing is buyer?s sole remedy and is in lieu of all other warranties, expressed or implied, including those of merchantability and fitness for a particular purpose . while we provide application assistance, personally and through our literature, it is up to the customer to determine the suita bility of the product in the application. specifications may change at any time without notice. the information we supply is believed to be accurate and reliable as of this printing. however, we assume no responsibility for its use. sales and service honeywell sensing and control serves its customers through a worldwide network of sales offices and distributors. for applicat ion assistance, current specifications, pricing or name of the nearest authorized distributor, contact a nearby sales office or cal l: telephone internet 1-800-367-6786 (usa) http:// www. honeywell.com/sensing/vcsel 1-800-737-3360 (canada) info.sc@honeywell.com +49 (0) 89 35813310 (germany) +65-580-3312 (singapore) +44 (0) 118 981 9511 (uk) fax 1-972-470-4326 (customer response center) 1-972-470-4549 (fax on demand) +49 (0) 89 3599971 (germany) +65 445 3033 (singapore) +44 (0) 118 981 7513 (uk)
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