itr - d3t - sd6 - 4 ds-5896 rev 01 - digital transmitter: a dfb laser diode is employed for upstream transmis sion at oc-24 (1244mbps). the optical transmitter includes a back facet photodetector to monitor laser power for apc control. - digital receiver: an apd with tia is employed for downstream data rec eption at oc-48 (2488mbps). a post amplifier is als o included for cml output compatibility. - analog receiver: 870mhz forward path video (catv) receiver with mult iple gain stages, automatic gain control (agc), and status indicators. agc moca rf tilt / surge protection rf detector microcontroller a dc optical triplexer module 1550nm pin receiver 1310nm laser wdm tia 1490nm apd receiver rx section lim. amp. tx section ldd video section 1310nm upstream 1490nm downstream 1555nm downstream rx data tx data triplexer block diagram rf out 1310/1490/1555nm integrated triplexer transceiver features single fiber, integrated triplexer transceiver compliant to fsan g.984.5 specifications voice/data/video fttx ont/onu applications 1310nm tx, 1490nm rx, 1555nm video rx 1244mbps tx / 2488mbps rx asymmetric data rate burst mode upstream transmission 18dbmv minimum rf output power (with mixed gpon ch annel plan) 870mhz video bandwidth -40 to 85oc case operation feedback video acg operation 20km reach 28db power budget
absolute maximum ratings usage of this transceiver shall adhere to the follo wing absolute maximum ratings. the unit. these are stress ratings only, and funct ional operation of the unit at these or any other c onditions beyond those section s of the specifications is not implied. exposure t o absolute maximum rating conditions for extended p eriods may affect unit table 1 - absolute maximum ratings parameter ambient storage temperature operating case temperature operating case humidity range esd sensitivity (human body model) lead soldering temperature vdd_+12v vcc_rx vcc_tx vcc_c module characteristics table 2 - module characteristics parameter 1555nm external to 1490 nm rx isolation 1490nm external to 1555nm rx isolation 1310nm external to 1555nm video isolation 1310nm external to 1490nm data isolation 1310nm tx to 1490nm rx optical crosstalk 1310nm tx to 1555nm rx optical crosstalk g.984.5 wavelength blocking filter (wbf) back reflection @ 1310nm back reflection @ 1555nm back reflection @ 1490nm total 3.3v supply current total 12v supply current psrr (power supply rejection) itr absolute maximum ratings usage of this transceiver shall adhere to the follo wing absolute maximum ratings. stresses beyond those in table 1 m ay cause permanent damage to the unit. these are stress ratings only, and funct ional operation of the unit at these or any other c onditions beyond those s of the specifications is not implied. exposure t o absolute maximum rating conditions for extended p eriods may affect unit minimum maximum -40 85 oc -40 85 oc 10% 90% non - 1000 v - 260oc 10 sec - 15 v -0.4 +4.2 v -0.4 vcc_rx + 1 v -0.4 +4.2 v minimum typical maximum 32 - - 32 - - 40 - - 30 - - - - -47 - - -47 7 7 22 22 - - - - - - - - db, 1441 nm to 1450 nm db, 1530 nm to 1539 nm db, 1400 nm to 1441 nm db, 1539 nm to 1625 nm - - -6 - - -32 - - -20 - - 350 - - 225 - - 100 itr - d3t - sd6 - 4 ds-5896 rev 01 ay cause permanent damage to the unit. these are stress ratings only, and funct ional operation of the unit at these or any other c onditions beyond those indicated in the operational s of the specifications is not implied. exposure t o absolute maximum rating conditions for extended p eriods may affect unit reliability. unit/conditions non -condensing 10 sec unit/conditions db db db db db db db, 1441 nm to 1450 nm db, 1530 nm to 1539 nm db, 1400 nm to 1441 nm db, 1539 nm to 1625 nm db db db ma ma mvp-p
functional characteristics the following tables list the performance specifications for table 3 C digital transmitter specifications parameter minimum operating voltage data rate average optical output power, p o output power at transmit off extinction ratio transmitter output eye center wavelength optical rise and fall time side mode suppression ration (smsr) differential input voltage, v in input impedance, differential common-mode input voltage gnd_tx + tx burst enable time tx burst disable time jitter generation itr performance specifications for the various functional block s of the integrated optical transceiver module. minimum typical maximum unit 3.14 3.30 3.46 v v cc referenced to gnd_tx - 1244.16 - mbps 0.5 - 5 dbm - - -40 dbm 10 - - db prbs 2 23 - 1, nrz, 50% duty cycle g.984.2 figure 3 1290 1330 nm - 250 - ps 20% to 80% - - per ieee px20 (tables 60 300 - 1800 mvp-p txd+/-. dc - - 100 - txd+/- gnd_tx + 1.4 - vcc - (v in /2) - 0.1 v dc coupled - - 12.86 ns 16 bits data @ 1244mbps - - 12.86 ns 16 bits data @ 1244mbps - - 0.2 ui 4 khz to 10 mhz itr - d3t - sd6 - 4 ds-5896 rev 01 s of the integrated optical transceiver module. notes referenced to gnd_tx 1, nrz, 50% duty cycle 20% to 80% per ieee px20 (tables 60 -8, 60-9) - coupled 16 bits data @ 1244mbps 16 bits data @ 1244mbps 4 khz to 10 mhz
table 4 C digital receiver specifications parameter minimum operating voltage data rate operational wavelength range received optical power bit error rate (ber) cid data output rise and fall time signal detect assertion level signal detect de-assertion level a signal detect hysteresis differential output voltage signal detect output high voltage signal detect output low voltage rssi range b rssi accuracy a rx outputs are squelched upon signal detect de b externally calibrated. itr minimum typical maximum unit 3.14 3.30 3.46 v v cc referenced to gnd_rx - 2488.32 - mbps 1480 - 1500 nm -28 - -8 dbm prbs 2 23 - 1, 50% duty cycle - 10 -10 72 bits - 160 - ps 20% to 80% - -28 dbm transition during increasing light -38 - - dbm transition during decreasing light 0.5 - - db 600 - 900 mv cml output , 2.4 - - v lvttl with internal pull up asserts high when input data amplitude is above threshold - - 0.4 v lvttl. de- asserts low when input data amplitude is below threshold -28 - -8 dbm -3 - +3 db rx outputs are squelched upon signal detect de -assert itr - d3t - sd6 - 4 ds-5896 rev 01 notes referenced to gnd_rx 1, 50% duty cycle 20% to 80% transition during increasing light transition during decreasing light , ac coupled (0.1 m f) lvttl with internal pull up resistor. asserts high when input data amplitude is above threshold . asserts low when input data amplitude is below threshold .
table 5 C video receiver specifications parameter minimum 12v operating voltage range frequency range receiver wavelength (bandwidth) responsivity analog channels digital channels channel bandwidth channel spacing video pd monitor accuracy agc time constant received average optical power rf channel output power 50 mhz a rf channel output power 450 mhz a rf channel output power 870 mhz a,b s22 output return loss distortions cso ctb carrier to noise ratio (cnr) a) valid with cw carriers with register 32 = 00 b) equivalent value of digital channel frequencies itr minimum typical maximum unit 11.7 - 13.2 v 50 - 870 mhz 1550 1555 1560 nm 0.8 - - a/w 40 - - omi = 4.3%/channel 63 - - omi = 2.15%/channel - 4 - mhz - 6 - mhz - - 10 % 0.5 - - s -8 - 2 dbm 18 - - dbmv 19.5 - - dbmv 21 - - dbmv 14 20 - db 75 - - -65 -62 -55 -55 dbc for digital channels, cso max an ctb max will be 7 db higher 46 - - db valid with cw carriers with register 32 = 00 channel frequencies is 6 db lower. itr - d3t - sd6 - 4 ds-5896 rev 01 notes omi = 4.3%/channel omi = 2.15%/channel for digital channels, cso max an ctb max will be 7 db higher
table 6 C suggested start-up sequence step 1 power up the host system, with the reset pin pulled to ground via a <= 4.7k 2 drive the reset pin low. 3 set the ben control lines to disable the transmitter 4 ensure power to the unit is on. 5 drive the reset pin high to release the unit to bec ome operational. 6 wait approximately 250ms until the interrupt pin go es low. 7 read bytes a2.70/71/74/75 to clear the interrupt co ndition. verify that byte a2.75 bit 7 was set. use multi 70/71 and bytes 74/75. 8 wait 50ms. verify that the interrupt pin has change d to high. 9 the unit is now ready for normal figure 1 - recommended transceiver module start itr action power up the host system, with the reset pin pulled to ground via a <= 4.7k resistor. lines to disable the transmitter (ben lines must be driven with differential logic) drive the reset pin high to release the unit to bec ome operational. wait approximately 250ms until the interrupt pin go es low. read bytes a2.70/71/74/75 to clear the interrupt co ndition. verify that byte a2.75 bit 7 was set. use multi wait 50ms. verify that the interrupt pin has change d to high. the unit is now ready for normal operation. recommended transceiver module start -up sequence itr - d3t - sd6 - 4 ds-5896 rev 01 (ben lines must be driven with differential logic) . read bytes a2.70/71/74/75 to clear the interrupt co ndition. verify that byte a2.75 bit 7 was set. use multi -byte read of bytes
pin definitions refer to table 7 for a description of the function of each i/o pin. table 7 - module pin definitions pin number label 1 gnd_a common 2 gnd_rx digital rx 3 vcc_rx digital rx vcc 4 sd signal detect output. lvttl with internal 3.3k is above threshold. 5 rxd+ rx data output 6 rxd- rx data bar output 7 nc decoupled with 0.01u 8 ben- burst enable bar input, internally dc coupled 9 gnd_tx digital tx 10 txd+ tx data input, 11 gnd_tx digital tx 12 txd- tx data bar input, 13 vcc_tx digital tx vcc 14 sda i 2 c data input/output. lvttl 15 scl i 2 c clock 16 int interrupt output. lvttl with internal 100k 17 vdd_+12v video rx 12v vdd 18 vcc_3.3v microcontroller vcc 19 reset reset input. lvttl. internal 20 gnd_a common 21 rf_gnd rf g round 22 rf_signal rf signal 23 rf_gnd rf g round itr for a description of the function of each i/o pin. definition common ground digital rx ground digital rx vcc signal detect output. lvttl with internal 3.3k w pull- up. asserts high when input optical signal level is above threshold. rx data output , cml. 50 terminated to vcc and ac coupled to module output (0.1 data bar output , cml. 50 terminated to vcc and ac coupled to module output (0.1 decoupled with 0.01u f to ground burst enable bar input, internally dc coupled . active low digital tx ground tx data input, cml. internally dc coupled. 100 differential termination. digital tx ground tx data bar input, cml. internally dc coupled. 100 differential termination digital tx vcc c data input/output. lvttl c clock input. lvttl interrupt output. lvttl with internal 100k w pull-up. active low. video rx 12v vdd microcontroller vcc reset input. lvttl. internal pull up. active low. common ground round round itr - d3t - sd6 - 4 ds-5896 rev 01 up. asserts high when input optical signal level module output (0.1 m f) module output (0.1 m f) termination .
itr - d3t - sd6 - 4 ds-5896 rev 01 package diagram notes 1. dimensions in inches [mm] 2. minimum fiber bend radius = 1.18 [30.00] 23.5 1.5 [597 38]
ordering information table 8 - ordering information part no. application ITR-D3T-SD6-4 gpon ont 1244.16mb/s / table 9 - device handling/esd protection the devices are static sensitive and may easily be damaged if care is not taken during handling. the f ollowing handling pract recommended. 1 devices should be handled on benches with conductive and grounding surfaces. 2 all personnel, test equipment and tools shall be gr ounded. 3 do not handle the devices by their leads. 4 store devices in protective foam or carriers. 5 avoid the use of non-conductive plastics, rubber, or silk in the area where the devices are h andled 6 all modules shall be packaged in materials that are anti 7 avoid applications of any voltage higher than maxim um rated voltages to this part. for proper operati on, any vin or vout sho constrained to the range gnd (vin or vout) either gnd or vcc). unused outputs must be left op en. itr data rate laser source 1244.16mb/s / 2488.32mb/s 1310nm dfb the devices are static sensitive and may easily be damaged if care is not taken during handling. the f ollowing handling pract on benches with conductive and grounding surfaces. all personnel, test equipment and tools shall be gr ounded. store devices in protective foam or carriers. rubber, or silk in the area where the devices are h andled all modules shall be packaged in materials that are anti - static to protect against adverse electrical enviro nments. avoid applications of any voltage higher than maxim um rated voltages to this part. for proper operati on, any vin or vout sho (vin or vout) vcc. unused inputs must always be tied to an appro priate logic voltage (e.g either gnd or vcc). unused outputs must be left op en. itr - d3t - sd6 - 4 ds-5896 rev 01 temp. range -40 to 85c the devices are static sensitive and may easily be damaged if care is not taken during handling. the f ollowing handling pract ices are static to protect against adverse electrical enviro nments. avoid applications of any voltage higher than maxim um rated voltages to this part. for proper operati on, any vin or vout sho uld be vcc. unused inputs must always be tied to an appro priate logic voltage (e.g .
itr - d3t - sd6 - 4 ds-5896 rev 01 warnings handling precautions: this device is susceptible to damage as a result of electrostatic discharge (esd ). a static free environment is highly recommended. follow guidelines according to proper esd procedures. laser safety: radiation emitted by laser devices ca n be dangerous to human eyes. avoid eye exposure to direct or indirect radiation. legal notice important notice! all information contained in this document is subje ct to change without notice, at source photonics s ole and absolute discretion. source photonics warrants performance of its products to current spe cifications only in accordance with the companys s tandard one-year warranty; however, specifications designated as preliminary are given to describe c omponents only, and source photonics expressly disc laims any and all warranties for said products, including express, implied, and statutory warrantie s, warranties of merchantability, fitness for a par ticular purpose, and non-infringement of proprietar y rights. please refer to the companys terms and con ditions of sale for further warranty information. source photonics assumes no liability for applicati ons assistance, customer product design, software p erformance, or infringement of patents, services, or intellectual property described herein. no licen se, either express or implied, is granted under any patent right, copyright, or intellectual property right, and source photonics makes no representations or wa rranties that the product(s) described herein are f ree from patent, copyright, or intellectual propert y rights. products described in this document are not intended for use in implantation or other life sup port applications where malfunction may result in injury or death to persons. source photonics custom ers using or selling products for use in such appli cations do so at their own risk and agree to fully defend and indemnify source photonics for any damag es resulting from such use or sale. ? copyright source photonics, inc. 2007~2008 all rights reserved. all information contained in this document is subje ct to change without notice. the products described in this document are not intended for use in implantation or other life supp ort applications where malfunction may result in in jury or death to persons. the information contained in this document does not affect or change source photonics product specific ations or warranties. nothing in this document shall operate as an express or implie d license or indemnity under the intellectual prope rty rights of source photonics or third parties. all information contained in this do cument was obtained in specific environments, and i s presented as an illustration. the results obtained in other operating environments ma y vary. the information contained in this document is provi ded on an as is basis. in no event will source ph otonics be liable for damages arising directly from any use of the information contained in this document. contact s ource p hotonics 20550 n ordhoff s t . c hatsworth , ca 91311 sales@sourcephotonics.com tel: 818-773-9044 fax: 818-576-9486 or visit our website: http://www.sourcephotonics.com
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