jog-00884 oki electronics com p onents rev. 2 [10. 2001] of3631b-c3 preliminary 2.5gbps apd-preamplifier coaxial module with single mode fiber . 1/4 1. description of3631b-c3 is an optical receiver module for digital transmission systems up to 2.5gbps. it uses an ingaas avalanche photodiode with a low noise preamplifier. it operates from +3.3v to +5.0v tia supply voltage. package style is a hermetically sealed coaxial package with single mode fiber pigtail. 2. features data rate up to 2.5gbps high responsivity ingaas-apd : 8.5a/w wide dynamic range typical sensitivity : -32dbm low noise small coaxial package 3. application sonet oc-48/sdh stm-16 applications long-haul transmission systems up to 2.5gbps 4.optical and electrical characteristics (wavelength=1310nm , ta =25c , v dd =3.3v, unless otherwise specified) parameter symbol test conditions min. typ. max. unit wavelength - 1250 - - 1620 nm apd breakdown voltage vbr i d =10a 40 60 80 v temperature coefficient of vbr* - 0.10 0.15 0.25 %/c =1.55m,v b =35~78v,m=10 8.0 8.5 - - apd responsivity r apd =1.31m,v b =35~78v,m=10 7.5 8.5 - - a/w responsivity r r l =100 ? , m=10, pin=-30dbm, differential 12 - - - - kv/w bandwidth bw f 3db , r l =100 ? , m=10 1550 1850 - - mhz sensitivity prmin 2.488gbps, nrz, ber=10 -10 , prbs2 -23 ?1, m=mopt. - - -32 -30.5 dbm overload prmax 2.488gbps, nrz, ber=10 -10 , prbs2 -23 ?1, m= 3 -7 -5 - - dbm v dd =3.3v - - 30 63 ma supply current i dd pin = 0mw v dd =5.0v - - 40 73 ma recommended tia supply voltage v dd - 3.0 - - 5.5 v optical return loss orl - - - - - -27 db *) temperature coefficient of breakdown voltage. = v b (25 c+ ? t c) - v b (25 c) v b (25 c) ? ? t c 100 (% / c)
jog-00884 oki electronics components of3631b-c3 . 2/4 5.absolute maximum rating (ta = 25 c, unless otherwise specified) parameter symbol rating unit apd supply voltage vr 0 to vbr v tia supply voltage v dd 6.0 v apd forward current if 4 ma apd reverse current ir 1(cw) ma operating temperature top -40 to +85 c storage temperature tstg -40 to +85 c 6. connector and fiber specifications parameter specifications unit type sm - - mode field diameter 10 m cladding diameter 125 m jacket diameter 900 m length 1 (min.) m connector fc/pc or sc/pc - - 7.ordering information of3631 b - c3 - _ _ _ _ ex.) of3631b-c3-affc fiber b: sm flange af: angled sf: straight connector fc sc of3631 with sm fiber, angled flange, and fc connector.
jog-00884 oki electronics components of3631b-c3 . 3/4 8.outline drawing all dimensions in millimeters package no. of3631b-c3-af__ (unit: mm) pin connection 1 v dd 2 v apd 3 v out- 4 v out+ 5 gnd(case) gnd (case) apd pre-amp 1 4 5 2 v out- 3 v out+ v dd v apd
jog-00884 oki electronics components of3631b-c3 . 4/4 all dimensions in millimeters package no. of3631b-c3-sf__ (unit: mm) pin connection 1 v dd 2 v apd 3 v out- 4 v out+ 5 gnd(case) copyright 2001 oki electric industry co., ltd gnd (case) apd pre-amp 1 4 5 2 v out- 3 v out+ v dd v apd
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