TGA4947-SL dual channel 40gb/s & 100gb/s modulator driver product summary: rev - 9/17/2012 - 1 of 1 - disclaimer: subject to change without notice ? 2012 triquint semiconductor, inc. connecting the digital world to the global network ? applications ? 40 gb/s optical market: dqpsk ? 100 gb/s optical market: dp-qpsk product features eye diagram ? 40 & 100 gb/s performance ? dual channel, single-ended input and output ? integrated broadband bias tees ? adjustable output amplitude, 3 vpp ? 9 vpp ? channel / channel isolation, 30 db to 40 ghz ? low additive rms jitter, 600 fsec ? high output drive, 8vpp with 0.4 vpp input ? gain, 30 db at 20 ghz ? low dc power dissipation, 2.4 w total for vout = 6 vpp at vd=5 v ? rise and fall times, 10.5 psec ? hot pluggable ? package size: 16 x 10.5 x 3.6 mm vout = 7 vpp, 32 gbps vin=0.5 vpp vd = 5 v, pdiss = 1.2 w per channel general description channel-channel isolation the triquint TGA4947-SL is a dual channel optical modulator driver amplifier designed for the 40 and 100 gb/s optical markets. the TGA4947-SL is a compact smt package with 30 db channel to channel isolation up to 40 ghz. the TGA4947-SL consists of two channels of three high performance wideband amplifiers and integrated broadband bias tees assembled in a 16 x 10.5 x 3.6 mm package, requiring a minimum of off-chip components. a single TGA4947-SL placed between the mux and optical modulator provides oems with a modulator driver surface mount solution. the TGA4947-SL provides metro and long haul designers with system critical features such as: l ow power dissipation, high signal to noise ratio (snr) , high voltage drive capability (3 vpp amplitude adjustable up to 9 vpp), fast rise and fall times, low output jitter, and low input drive sensitivity (0.4 vpp ? 1 vpp at vout = 8vpp). the TGA4947-SL finish is lead-free . rohs compliant. evaluation boards and bias boards are available upo n request. ordering information part no. eccn description TGA4947-SL 5a991.b dual channel 40 &100 gb/s modulator driver -80 -70 -60 -50 -40 -30 -20 -10 0 0 10 20 30 40 50 isolation (db) frequency (ghz) TGA4947-SL dual driver isolation vs frequency vd = 7 v, vc1 = 0.5 v, vc2 = 0.25 v, vc3 = 0.05 v, idq1 = 45 ma, idq2 = 52 ma, idq3 = 90 ma isolation i channel isolation q channel
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