tga4851 - sl 4 channel 28g b/s qsfp28 modulator driver preliminary data sheet: rev - 0 3/04 /2015 - 1 of 1 - disclaimer: subject to change without notice ? 201 5 qorvo www.qorvo.com applications ? 28 gb/s qsfp28 / cfp4 / cfp2 quad driver ? eml driver product features s - parameter ? qsfp28, cfp4, cfp2 100g quad driver ? adjustable output amplitude, 1 to 3 vpp ? low additive rms jitter, 6 00 fsec ? gain, 1 1 db at 15 ghz ? channel - to - channel isolation, 30 db ? low dc power dissipation, 1 5 0 m w @ 1.5 vpp at vd = 3 v , per channel ? rise and fall times , 1 2 .5 psec ? package size : 3 . 75 x 7.52 x 0. 70 mm general description eye diagram the qorvo tga4851 - sl is a 4 channel optical modulator driver amplifier designed for the qs fp2 8 100 gb/s optical market s. the tga4851 - sl i s a compact smt package with 11 db of gain and 1.5 vpp output power and 3 db bw of 25 ghz . the tga4851 - sl includes four wideband mmic amplifiers and by pass capacitors inside the package and provides client side designers with system critical features such as: low power dissipation, high signal to noise ratio (snr), fast rise and fall times, and low out put j itter . the tga4851 - sl is rohs compliant. evaluation boards are available upon request. vd = 3 v, idq = 50 ma, vc = 0 v, 28 gb/ s, 25 c ordering information part no. eccn descriptio n tga4851 - sl 5a991.b 4 channel 28 gb/s modulator driver -6 -4 -2 0 2 4 6 8 10 12 14 0 5 10 15 20 25 30 35 40 45 50 s21 (db) frequency (ghz) s21 vs. frequency vd = 3 v, id = 50 ma, vc = 0.0 v, 25 c
|
