1.25g sfp ddm transceiver 1310nm dfb laser diode transmitter ingaas pin photodiode receiver 1.2 compliant with sfp msa and sff-8472 with duplex lc receptacle 1.3 compliant with 1.25 gbps gigabitethernet 1.4 compatible with 1.063 gbps fiber channel 1.5 digital diagnostic monitoring 1.6 hot-pluggable 1.7 metal enclosure for lower emi 1.8 +3.3v single power supply 1.9 operation data rate from100mb/s to 1.27gb/s 1.10 qualified to meet the intent of bellcore reliability practices 1.11 lvpecl logic interface simplifies interface to external circuitry 1.12 lvttl logic level rx los 1.13 withpull de-latch 1.14 40 km with 9/125 μm single mode fiber (smf) of maximum interconnect distances 1.15 complies with rohs directive (2002/95/ec) 2.1 absolute maximum ratings parameter symbol min. max.unit storage temperature tstg -40 +85 °c pt7420-51-2w(+) 0 +70 operating temperature tc pt7420-52-2w(+) -40 +85 °c input voltage - gnd vcc v power supply voltage vcc-vee -0.5 +3.6 v 2.2 operatingenvironment parameter symbol min. typ. max. unit note power supply voltage vcc +3.1 +3.3 +3.5 v - power supply current icc - 200 300 ma 1 pt7420-51-2w(+) 0 - +70 case temperature (operating) tcpt7420-52-2w(+) -40 - +85 °c - data rate - - 1.25 - gb/s - 2.3 transmitter e-o characteristics parameter symbol min. typ. max. unit note center wavelength λ 1280 1310 1335 nm - spectral width (-20db)δλ - - 1.0 nm - side mode suppression ratio smsr 30 - - db - average optical output power po -3 - +2 dbm - extinction ratio er 9 - - db - transmitter enable voltage ven 0 - 0.8 v - transmitterdisable voltage vd 2.0 - vcc v - single ended data input swing vinpp 250 - 1200 mv - optical rise/fall time tr/tf - - 0.26 ns 2 2.4 receiver o-e characteristics parameter symbol min. typ. max. unitnote operate wavelength - 1260 - 1580 nm - sensitivity sen - -25 -22 dbm 3 saturation psat -3 - - dbm 3 los asserted - -40 - - dbm los de-asserted - - - -23 dbm los hysteresis - - 1.5 - db highlevel: alarm single ended data output swing voutpp 185 - 1000 mv - los low voltage vlout - - 0.8 v - los high voltage vhout 2.0 - - v -

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深圳市嘉亿通科技有限公司
何先生
13534019792
深圳龙岗南湾街道吉厦早禾坑工业区A栋二楼