jog-00726 oki electronics com p onents rev. 3 [09. 2001] od8612b/d 2.5gbps pin-preamplifier coaxial module with single/multi mode fiber 1. description od8612 is an optical receiver module for digital transmission systems up to 2.5gbps. it uses an ingaas pin 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 or multi mode fiber pigtail. 2. features data rate up to 2.5gbps high responsivity ingaas pin pd : 0.85a/w typical sensitivity : -24dbm low noise differential output small coaxial package 3. application sonet oc-48/sdh stm-16 applications 4.optical and electrical characteristics (wavelength=1310nm , ta =25 c , v dd =3.3v, unless otherwise specified) parameter symbol test conditions min. typ. max. unit wavelength - 1250 - - 1620 nm =1.55 m 0.80 0.85 - - pd responsivity r pd =1.31 m 0.75 0.80 - - a/w 1.5 *1 2.0 *1 - - responsivity r r l =100 ? , pin=-17dbm, differential, ac 1.3 *2 1.8 *2 kv/ w bandwidth b w f 3db , r l =100 ? 1550 1850 - - mhz sensitivity prmin 2.488gbps, nrz, ber=10 -10 , prbs2 23 1 - - -24 -22.5 dbm overloadprmax 2.488gbps, nrz, ber=10 -10 , prbs2 23 1 -3 0 - - dbm output impedance zout pin = 0mw, single ended 45 50 60 ? v dd =3.3v - - 30 63 m a supply current i dd pin = 0mw v dd =5.0v - - 40 73 m a recommended tia supply voltage v dd - 3.0 3.3 3.6 v optical return loss orl - - - - - -27 db *1: od8612b, *2: od8612d.
jog-00726 oki electronics components od8612b/d 5.absolute maximum rating (ta = 25 c, unless otherwise specified) parameter symbol rating unit tia supply v oltage v dd 6.0 v pd reverse current ir 2(cw) m a operating temperature top -40 to + 85 c storage t emperature tstg -40 to +85 c 6. connector and fiber specifications -od8612b 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 - - -od8612d parameter specifications unit type mm - - mode field diameter 50 m cladding diameter 125 m jacket diameter 900 m length 1 (min.) m connector fc/pc or sc/pc - - 7.ordering information od8612_ - _ _ _ _ ex.) od8612b- affc fiber b: sm d:mm flange af: angled sf: straight connector fc sc od8612 with sm fiber, angled flange , and fc connector .
jog-00726 oki electronics components od8612b/d 8.outline drawing all dimensions in millimeters package no. od8612b/d-af __ (unit: mm) pin connection 1v out+ 2v dd 3v out- 4 gnd(case) gnd (case) pin-pd pre-amp 1 4 3 v out- 2 v out+ v dd
jog-00726 oki electronics components od8612b/d all dimensions in millimeters package no. od8612b/d-sf__ (unit: mm) copyri g ht 2001 oki electric industry co. , ltd
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