TOAD345-RX/topd345-rx series 2. 5 gb / s optical receiver optical communication devices march 2001 application sonet / sdh (oc-48 / stm-16) applications features TOAD345-RX: apd and tia sensitivity ? 33 dbm (typ. @ ber = 1 x 10 ? 10 ) overload ? 7.5 dbm (typ. @ ber = 1 x 10 ? 10 ) topd345-rx: pin-pd and tia sensitivity ? 25 dbm (typ. @ ber = 1 x 10 ? 10 ) overload ? 0.0 dbm (typ. @ ber = 1 x 10 ? 10 ) wavelength: 1.3/1.55 m differential output package size: 19.2 mm (w) x 20.2 mm (d) x 8.1 mm (h)
TOAD345-RX/topd345-rx series block diagram TOAD345-RX/topd345-rx series TOAD345-RX/topd345-rx series note: (1) TOAD345-RX, (2) topd345-rx item symbol min typ. max unit note absolute maximum ratings electrical and optical characteristics (2.48832 gb/s, nrz, prbs 2 23 ?, = 1.55 m, tc = 25 ?c) symbol item rating note unit storage temperature tstg ? 40 to +85 ? c operating case temperature tc 0 to +70 ? c optical input power pr ? 4 dbm (1) 3 dbm (2) voltage supply vss ? 6 to 0 v soldering temperature / time tsol / tsol 260 / 5 ? c / s supply current iss ? 130 ma (1) sensitivity ps ? 33.0 ? 31.5 dbm (2) overload pol ? 8.5 ? 7.5 dbm (2) cut-off frequency fc 1.25 1.6 3.0 ghz output data voltage vpp 30 1000 mvpp optical input smf ingaas apd (pin-pd) gaas pre-amp +v r (apd, pin-pd) vss: ? 5.2 v data output (+) data output ( ? ) TOAD345-RX note: (1) vss = ? 5.2 v, (2) at ber = 1 x 10 ? 10 item symbol min typ. max unit note supply current iss ? 130 ma (1) sensitivity ps ? 25.0 ? 23.5 dbm (2) overload pol ? 1.0 ? 0.0 dbm (2) cut-off frequency fc 1.25 1.7 3.3 ghz output data voltage vpp 30 1000 mvpp topd345-rx dimensional eye diagram 4-m3 0.100deep (4-m3x2.54deep) 0.196 (4.98) 14 8 0.118 (3 0) precaution (a) power supply a surge-free before turnin avoid causin (b) the product
x series unit note note (1) (2) ma (1) dbm (2) dbm (2) ghz mvpp d ata o utput (+) d ata o utput ( ? ) unit note ma (1) dbm (2) dbm (2) ghz mvpp dimensional outline and pin assignment eye diagram unit: inch (mm) gnd gnd data out (+) data out ( ? ) gnd nc nc pin assignment 1 2 3 4 5 6 7 8 9 10 11 12 13 14 gnd v r (apd, pd) gnd vss ( ? 5.2 v) gnd thermistor gnd pin pinfunction function 7 1 4-m3 0.100deep (4-m3x2.54deep) 0.319 (8.1) 0.196 (4.98) 0.120 (3.05) 0.157 (4.00) 0.015 (0.38) 0.100 x 6 = 0.600 (2.54 x 6 = 15.24) 0.720 (18.3) 0.075 (1.910) 0.500 (12.7) 0.716 (18.18) 0.755 (19.18) 14 8 0.118 (3.0) 0.500 (12.7) 0.795 (20.19) 0.100 (2.54) (hole side) hole side 0.220 ( 5.6) 0.157-0.236 (4-6) precautions (a) power supply: transient electric spike may cause a damage to the photodiode or ic chips. a surge-free power supply and a slow starter circuit should be used. to avoid causing an electrical surge, pins should not be connected or disconnected on the test fixture before turning the power off. (b) the product should be grounded for obtaininng the performance. data (+) data ( ? ) (x: 100 ps/div, y: 100 mv/div) (condition: 2.48832 gb/s, prbs 2 23 ? 1, pr = ? 30 dbm)
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