optoway trs-72120g *********************************************************************************************************************************************************************** *********************************************************************************************************************************************************************** optoway technology inc. no .3 8, kuang fu s. road, hu kou, hsin chu industrial park, hsin chu, taiwan 303 tel: 886-3-5979798 fax: 886-3-5979737 e-mail: sales@optoway.com.tw http: // www.optoway.com.tw 10/1/2005 v3.0 1 trs-72120g / trs-72120tg / TRS-72120FG / trs-72120cg / trs-72120ctg / trs-72120cfg 5v / 1550 nm / 1.25 gbps rohs compliant optical single-mode transceiver ********************************************************************************************************************************************************************** features l duplex sc single mode transceiver: trs-72120g l duplex st single mode transceiver: trs-72120tg l duplex fc single mode transceiver: TRS-72120FG l compliant with ieee-802.3z gigabit ethernet l 1550 dfb ld transmitter l 32 db power budget at least l distance up to 120 km l industry standard 1 x 9 footprint l single +5 v power supply l rohs compliant l 0 to 70 o c operating l pecl signal detect output: trs-72120g l ttl signal detect output: trs-72120cg l wave solderable and aqueous washable l class 1 laser international safety standard iec 60825 compliant applications l switch to switch interface l high speed interface for file servers l high performance desktops description the trs-72120g series single mode transceivers is low power, high performance module for bi-directional serial optical data communications such gigabit ethernet and fibre channel. this module is designed for single mode fiber and operates at a nominal wavelength of 1550 nm. a guaranteed minimum optical link budget of 32 db is offered which can correspond to a link distance of over 120 km (assuming worst case fiber loss of 0.22 db/km). the transmitter section uses a multiple quantum well laser and is a class 1 laser compliant according to international safety standard iec 60825. the receiver section uses an integrated ingaas detector preamplifier (idp) mounted in an optical header and a limiting post-amplifier ic. a pecl logic interface simplifies interface to external circuitry. laser safety this single mode transceiver is a class 1 laser product. it complies with iec 60825 and fda 21 cfr 1040.10 and 1040.11. the transceiver must be operated within the specified temperature and voltage limits. the optical ports of the module shall be terminated with an optical connector or with a dust plug. order information p/no. bit rate (mb/s) 1000 base distance (km) wavelength (nm) voltage (v) package temp. ( o c) tx power (dbm) rx sens. (dbm) rohs compliant trs-72120g 1250 ezx 120 1550 dfb 5 1x9 sc 0 to 70 5 to 0 -32 y note: trs-xxxxx f for fc duplex transceiver, trs-xxxxx t for st duplex transceiver, trs-xxxxx- em for sc duplex transceiver with extended emi shielding, trs-xxxxx c x for transceiver with ttl signal detection output. absolute maximum ratings parameter symbol min max units notes storage temperature tstg -40 85 o c operating temperature topr -5 70 o c soldering temperature --- 260 o c 10 seconds on leads only power supply voltage vcc 0 6 v input voltage --- gnd vcc v output current iout 0 30 ma recommended operating conditions parameter symbol min typ max units power supply voltage vcc 4.75 5 5.25 v operating temperature topr 0 70 o c / air flow 1m/sec data rate 1250 1300 mb/s power supply current icc 200 300 ma
optoway trs-72120g *********************************************************************************************************************************************************************** ************************************************************************************************************************************************************************ optoway technology inc. no .3 8, kuang fu s. road, hu kou, hsin chu industrial park, hsin chu, taiwan 303 tel: 886-3-5979798 fax: 886-3-5979737 e-mail: sales@optoway.com.tw http: // www.optoway.com.tw 10/1/2005 v3.0 2 transmitter specifications (0 o c < topr < 70 o c, 4.75v < vcc < 5.25v) parameter symbol min typ max units notes optical optical transmit power po 0 --- 5 dbm 1 output center wavelength l 1480 1580 nm output spectrum width dl --- --- 1 nm -20 db width side mode suppression ratio smsr 30 db extinction ratio e r 9 --- --- db output eye compliant with ieee 802.3z optical rise time t r 0.26 ns 20% to 80% values optical fall time t f 0.26 ns 20% to 80% values relative intensity noise rin -120 db/hz total jitter tj 0.227 ns 2 electrical data input current C low i il -350 m a data input current C high i ih 350 m a differential input voltage v ih - v il 300 mv data input voltage C low v il - v cc -2.0 -1.58 v 3 data input voltage -- high v ih - v cc -1.1 -0.74 v 3 notes: 1. output power is power coupled into a 9/125 m m single mode fiber. 2. measured with a 2 7 -1 prbs. 3. these inputs are compatible with 10k, 10kh and 100k ecl and lvpecl inputs. receiver specifications (0 o c < topr < 70 o c, 4.75 v < vcc < 5.25v) parameter symbol min typ max units notes optical sensitivity --- --- --- -32 dbm 1 maximum input power pin -9 --- dbm signal detect -- asserted pa --- --- -32 dbm transition: low to high signal detect -- deasserted pd -45 --- --- dbm transition: high to low signal detect -- hysteresis 1.0 --- db wavelength of operation 1260 --- 1600 nm electrical data output voltage C low v ol - v cc -2.0 -1.58 v 2 data output voltage C high v oh - v cc -1.1 -0.74 v 2 signal detect output voltage -- low v ol - v cc -2.0 -1.58 v signal detect output voltage -- high v oh - v cc -1.1 -0.74 v trs-72120g signal detect output voltage -- low v sdl 0.5 v signal detect output voltage -- high v sdh 2.0 v trs-72120cg notes: 1. minimum sensitivity and saturation levels at ber=1e-12 for a 2 7 -1 prbs. 2. these outputs are compatible with 10k, 10kh and 100k ecl and pecl outputs.
optoway trs-72120g *********************************************************************************************************************************************************************** ************************************************************************************************************************************************************************ optoway technology inc. no .3 8, kuang fu s. road, hu kou, hsin chu industrial park, hsin chu, taiwan 303 tel: 886-3-5979798 fax: 886-3-5979737 e-mail: sales@optoway.com.tw http: // www.optoway.com.tw 10/1/2005 v3.0 3 connection diagram receiver signal ground 1 (rx gnd) receiver data out 2 (rd+) n/c receiver data out bar 3 (rd - ) signal detect 4 (sd) receiver power supply 5 (rx vcc) top view transmitter power supply 6 (tx vcc) transmitter data in bar 7 (td - ) transmitter data in 8 (td+) n/c transmitter signal ground 9 (tx gnd) pin symbol notes 1 rx gnd directly connect this pin to the receiver ground plane 2 rd+ see recommended circuit schematic 3 rd - see recommended circuit schematic 4 sd active high on this indicates a received optical signal 5 rx vcc +5v dc power for the receiver section 6 tx vcc +5v dc power for the transmitter section 7 td - see recommended circuit schematic 8 td+ see recommended circuit schematic 9 tx gnd directly connect this plan to the trransmitter ground plane recommended circuit schematic 10nf 10uf 10nf 10uf rx gnd 1 2 3 4 5 6 7 8 9 post amp ld driver z=50r z=50r z=50r z=50r cdr or phy device tx gnd 1uh 1uh pecl pecl td- td+ tx vcc rx vcc rd- rd+ 0.1uf 0.1uf 100r transceiver serdes ic r1 r2 sd rd- rd+ td- td+ r3 r5 r4 r6 vcc 5v vcc 5v vcc 5v vcc 5v for ttl sd level r1=r2=n.c. ,r3=r5=82r ,r4=r6=130r for pecl sd level r1=r3=r5=82r ,r2=r4=r6=130r vcc 5v sd level the split-load terminations for ecl signals need to be located at the input of devices receiving those ecl signals. the power supply filtering is required for good emi performance. use short tracks from the inductor l1/l2 to the module rx vcc and tx vcc. a gnd plane under the module is required for good emi and sensitivity performance.
optoway trs-72120g *********************************************************************************************************************************************************************** ************************************************************************************************************************************************************************ optoway technology inc. no .3 8, kuang fu s. road, hu kou, hsin chu industrial park, hsin chu, taiwan 303 tel: 886-3-5979798 fax: 886-3-5979737 e-mail: sales@optoway.com.tw http: // www.optoway.com.tw 10/1/2005 v3.0 4 package diagram units in mm 1) sc type with extended shielding tx optical rx optical trs-72120-emg / trs-72120c-emg 2) st type rx optical tx optical trs-72120tg / trs-72120ctg
optoway trs-72120g *********************************************************************************************************************************************************************** ************************************************************************************************************************************************************************ optoway technology inc. no .3 8, kuang fu s. road, hu kou, hsin chu industrial park, hsin chu, taiwan 303 tel: 886-3-5979798 fax: 886-3-5979737 e-mail: sales@optoway.com.tw http: // www.optoway.com.tw 10/1/2005 v3.0 5 3) fc type tx optical rx optical 13.9 5.97 10.18 34.5max 20.32 0.75 13.7 10 25.4 2.54*8 20.32 o1.3 12.7 TRS-72120FG / trs-72120cfg note: specifications subject to change without notice.
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