datasheet | july 2013 fiber optics | rev 2013.07 information contained herein is deemed reliable and accurate as of the issue date. emcore reserves the right to change the desi gn or specification at any time without notice. applications 1310 nm transmission wireless/das applications long distances high optical splits features oc-48 pinout compatible telecordia technologies tm 468 compliant industrial temperature range ? stable even in harsh environments the 1615a 1310 nm dfb laser modules are designed for both wireless and distributed antenna system applications . this highly-linear oc-48 pinout compatible device delivers superior distortion performance over an enhanced temperature range of -40 ? c to +85 ? c. performance highlights parameter min typical max units wavelength 1300 - 1320 nm slope efficiency 0.30 - - mw/ma temperature range -40 - +85 ? c frequency range 5 - 2700 mhz 2 nd order imd 62 - - db 3 rd order imd 70 - - db absolute maximum ratings stresses in excess of the absolute maximum ratings can cause permanent damage to the device. these are absolute stress ratings only. functional operation of the device is not implied at t hese or any other conditions in excess of those given in the operational sections of the data sheet. exposure to absolute maximum ratings for extended periods can adversely affect device reliability. parameter symb l condition min max unit operating temperature range t c continuous -40 +85 c storage temperature range t stg - -40 +85 c laser forward dc current - - - 150 ma photodiode reverse voltage v rpd - - 10 v laser reverse voltage, dc - - - 1 v esd - hbm: r = 1500 ohm, c = 100pf -500 500 v tec current i tec continuous -1.9 1.9 a 1615a 1310 nm dfb laser module
datasheet | july 2013 fiber optics | rev 2013.07 information contained herein is deemed reliable and accurate as of the issue date. emcore reserves the right to change the desi gn or specification at any time without notice. electrical/optical characteristics laser temperature (tl) = 25c, i f = i op , beginning of life (bol) parameter symbol condition min typ max unit wavelength - - 1300 - 1320 nm slope efficiency ? i op =i th +40ma 0.3 - - mw/ma optical isolation iso - 30 - - db optical return loss orl tc 40 - - db side mode suppression ratio smsr - 35 - - db threshold current i th - - - 20 ma operating current i op - - - 120 ma monitor pd responsivity r pd v rm =5v 10 - 200 a/mw thermistor resistance r th t op = 25 ? c 9.5 10 10.5 kohm thermistor temp. coefficient tc th t op = 25 ? c - -4.4 - %/ ? c tec current i tec -40 datasheet | july 2013 fiber optics | rev 2013.07 information contained herein is deemed reliable and accurate as of the issue date. emcore reserves the right to change the desi gn or specification at any time without notice. outline drawing (dimensions are in inches & mm) electrical schematics tec isolator 10k 12nh 100 ld mpd es d (-) (+) (-) (+) (+) 3.3v 0.01uf rf c hoke 1 2 3 4 5 6 7 8 9 10 11 12 13 14 nc case gnd 22 (-) (+) figure 1.1615a laser schematic fi g ure 2. 1615a circuit schematic with su gg ested matchin g circui t 1615a 1310 nm dfb laser module
datasheet | july 2013 fiber optics | rev 2013.07 information contained herein is deemed reliable and accurate as of the issue date. emcore reserves the right to change the desi gn or specification at any time without notice. pin definitions ordering information part number descriptions 1615A-SC-20 dfb 1310 nm, sc/apc connector laser safety this product meets the appropriate standard in title 21 of t he code of federal regulations (cfr). fda/cdrh class 1 laser product. this device has been classified with the fda/cdrh under accession number 0220191. all versions of this laser are class 1 laser produc t, tested according to iec 60825-1:2007/en 60825-1:2007 single-mode fiber pigtail with sc/apc connectors (standard). wavelength = 1.3 ? m. maximum power = 50 mw. because of size constraints, laser safety labeling (including an fda class 1 label) is not affixed to the module, but attached to the outside of the shipping carton. product is not shipped with power supply. caution: use of controls, adjustments and procedures other than those specified herein may result in hazardous laser radiation exposure. pin description 1 thermistor 2 thermistor 3 dc laser bias (-) 4 mpd anode (-) 5 mpd cathode (+) 6 thermal electric cooler (+) 7 thermal electric cooler (-) 8 case ground 9 case ground 10 nc 11 laser common (+) 12 laser modulation (-) 13 laser common (+) 1615a 1310 nm dfb laser module
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