optoway spb-2820lwg *********************************************************************************************************************************************************************** ********************************************************************************************************************************************************************** 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 1/1/2009 v2.0 1 spb-2820lwg / SPB-2820BLWG (rohs compliant) 1270 nm tx / 1330 nm rx , 10.3 gbps digital diagnostic 1-fiber sm lc sfp+ transceiver ********************************************************************************************************************************************************************** features l 1-fiber bi-directional sfp optical transceiver l up to 10.3 gbps bi-directional data links l compliant with sfp+ msa l compliant to ieee 802.3ae 10gbase-bx l sff-8472 digital diagnostic function l simplex lc connector l 1270 nm dfb ld transmitter l 1330 nm receiver l distance up to 20 km l ac/ac coupling according to msa l single +3.3 v power supply l rohs compliant l 0 to 70 o c operating: spb-2820lwg l -10 to 85 o c operating: SPB-2820BLWG l class 1 laser international safety standard iec 60825 compliant applications l 10g ethernet links description the spb-2820lwg series single mode transceiver is small form factor pluggable module for bi-directional serial optical data communications such as ieee 802.3ae 10gbase-bx by using 1270 nm transmitter and 1330 nm receiver. it is with the sfp 20-pin connector to allow hot plug capability. digital diagnostic functions are available via an i 2 c series bus specified in the sfp msa sff-8472. the transmitter section uses a multiple quantum well 1270 nm dfb laser and is a class 1 laser compliant according to international safety standard iec 60825. the receiver section uses an integrated 1330 nm detector preamplifier (idp) mounted in an optical header and a limiting post-amplifier ic. 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 (gb/s) 10gbase distance (km) tx (nm) rx (nm) package temp ( o c) rohs compliant spb-2820lwg 10.3 bx 20 1270 dfb 1330 lc sfp+ with dmi 0 to 70 yes SPB-2820BLWG 10.3 bx 20 1270 dfb 1330 lc sfp+ with dmi -10 to 85 yes absolute maximum ratings parameter symbol min max units notes storage temperature tstg -40 85 o c operating case temperature topr 0 -10 70 85 o c spb-2820lwg SPB-2820BLWG relative humidity rh 0 85 % non condensing power supply voltage vcc 0 3.6 v input voltage --- gnd vcc v output current iout 0 30 ma recommended operating conditions parameter symbol min typ max units / notes power supply voltage vcc 3.13 3.3 3.47 v power supply current i cc (tx+rx) 200 300 ma operating case temperature topr 0 -10 70 85 o c / spb-2820lwg o c / SPB-2820BLWG data rate 10.3125 gb/s
optoway spb-2820lwg *********************************************************************************************************************************************************************** ********************************************************************************************************************************************************************** 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 1 /1/2009 v2.0 2 transmitter optical specifications (0 o c < topr < 70 o c, 3.13v < vcc < 3.47v) parameter symbol min typ max units notes average launch power po, avg -2 2 dbm 1 output center wavelength l c 1260 1270 1280 nm output spectrum width l 1 nm -20 db width side mode suppression ratio smsr 30 db relative intensity noise rin -128 db/hz average launch power of off transmitter -30 dbm 1. output power is power coupled into a 9/125 m m single-mode fiber. receiver optical specifications (0 o c < topr < 70 o c, 3.13v < vcc < 3.47v) parameter symbol min typ max units notes sensitivity at 10.3 gb/s -14 dbm 2, average power receiver overload p max 0.5 --- dbm los -- deasserted los d --- --- -18 dbm transition: low to high los -- asserted los a -30 --- --- dbm transition: high to low wavelength of operation l c 1320 1340 nm 3 2. measured with average power; ber < 10 -12 and prbs 2 31 -1. 3. at least 30 db optical isolation for the wavelength 1260 to 1280 nm. electrical characteristics parameter symbol min typ max units notes high-speed signal (cml) interface specification input data rate 10.3125 gb/s differential input impedance rin 100 differential data input amplitude 150 1000 mvpp internally ac coupled output data rate 10.3125 gb/s differential output impedance rout 100 differential data output amplitude 350 600 700 mvpp internally ac coupled low-speed signal (lvttl) interface specification input high voltage 2.0 vcc+0.3 v input low voltage gnd 0.8 v output high voltage 2.4 vcc v output low voltage gnd 0.5 v
optoway spb-2820lwg *********************************************************************************************************************************************************************** ********************************************************************************************************************************************************************** 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 1 /1/2009 v2.0 3 connection diagram pin signal name description pin signal name description 1 v ee t transmitter signal ground 11 v ee r receiver signal ground 2 tx_fault transmitter fault indication. logic 1 output = laser fault. logic 0 output = normal operation 12 rd- inverse receiver data out 3 tx_disable logic 1 input (or no connection) = laser off, logic 0 = laser on. 13 rd+ receiver data out 4 sda modulation definition 2 C two wires serial id interface 14 v ee r receiver signal ground 5 sdl modulation definition 1 C two wires serial id interface 15 v cc r receiver power C 3.3v 5% 6 mod-abs modulation definition 0 C ground in module 16 v cc t transmitter power C 3.3v 5% 7 rs0 rx rate select (lvttl). this pin has an internal 30k pulldown to ground. a signal on this pin will not affect module performance. 17 v ee t transmitter signal ground 8 rx_los loss of signal out (oc). 18 td+ transmitter data in 9 rs1 tx rate select (lvttl). this pin has an internal 30k pulldown to ground. a signal on this pin will not affect module performance. 19 td- inverse transmitter data in 10 v ee r receiver signal ground 20 v ee t transmitter signal ground module definition module definition pin 4 pin 5 pin 6 interpretation by host 4 sda scl mod-abs serial module definition protocol module definition 4 specifies a serial definition protocol. for this definition, upon power up, sda and sdl appear as no connector (nc) and mod-abs is ttl low. when the host system detects this condition, it activates the serial protocol. the protocol uses the 2-wire serial cmos e 2 prom protocol of the atmel at24c01a/02/04 family of components.
optoway spb-2820lwg *********************************************************************************************************************************************************************** ********************************************************************************************************************************************************************** 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 1 /1/2009 v2.0 4 recommended circuit schematic 0.1 f 22 f 0.1 f 22 f vee r post amp ld driver z=50 z=50 z=50 z=50 vee t 4 .7 h 4 .7 h td - td + vcc t vcc r rd - rd + 100 sfp+ module serdes 100 los rd - rd + td - td + 0.1 f protocol eeprom module detect scl sda loss of singal tx_disable tx_fault mod_abs scl sda 10 k 10 k 10 k 10 k tx_fault tx_disable (1,17,20) 3 2 18 19 16 15 12 13 8 (10,11,14) 6 5 4 10 k vcc 3.3v vcc 3.3v ic ic depending on serdes 0.1 f 30k 30k rs1 rs0 7 9 tx rate select rx rate select package diagram units in mm note: specifications subject to change without notice.
optoway spb-2820lwg *********************************************************************************************************************************************************************** ********************************************************************************************************************************************************************** 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 1 /1/2009 v2.0 5 revision history version subject release date 1.0 initial datasheet 2008/7/1 2.0 change wavelength to 1270 nm and 1330 nm to have less dispersion penalty. 2009/1/1
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