nec's superlattice apd module with internal preamplifier for 10 gb/s applications NR4270MU-CC ? superlattice avalanche photo diode ? internal gaas transimpedance preamplifier ? receiver for 10 gb/s transmission (stm-4, oc-192) ? minimum receiver sensitivity p r = -24 dbm max ? transimpedance z t = 60 db ? min ? 17-pin mini-butterfly package with single mode fiber ? ac coupled-differential output ? with sc-upc connector nec's NR4270MU-CC is a 10 gb/s superlattice avalanche photo diode (apd) receiver in a 17-pin mini-butterfly package with an internal preamplifier. this module is ideal as a receiver for sonet oc-192 and synchronous digital hierarchy (sdh) systems, stm-64, and itu-t recommendations. description california eastern laboratories part number NR4270MU-CC symbols parameters and conditions units min typ max v br reverse breakdown voltage, i d = 10 av16?32 1 temperature coefficient of reverse breakdown voltage, mv/ c5 ? 40 t c = 0 to +70 c i d dark current, v r = v br x 0.9 a? ? 1.2 s sensitivity, m = 1 a/w 0.63 ? ? p r minimum receiver sensitivity, prbs = 2 31 ?1, m = mopt dbm ? -25 -24 10 gb/s, nrz, p o overload, ber = 10 -12 m = 3 dbm -8 -7 ? fc cut-off frequency, r l = 50 ? , m = 9, p in = -20 dbm ghz 7.0 8.0 ? s 22 rf outputreturn loss, to 6 ghz db ? ? 10 6 to 8 ghz db ? ? 8 z t transimpedance, r l = 50 ? db ? 60 ? ? p d ic power dissipation mw ? 500 600 orl optical return loss db ? ? 27 r th thermistor resistance k ? 9.5 10 10.5 electro-optical characteristics (t c = 25 c, v ss = -5.2 v, = 1550 nm, unless otherwise specified) features note: 1. = ? t c ? v br
absolute maximum ratings 1 (t c = 25 c, unless otherwise specified) symbols parameters units ratings i f apd forward current ma 5 v r apd reverse voltage v v br i r apd reverse current ma 1.0 v ss ic supply voltage v -6 to 0 t c operating case temperature c0 to +70 t stg storage temperature c -40 to +85 t sld lead soldering c 350 (3 sec.) temperature note: 1. operation in excess of any one of these parameters may result in permanent damage. NR4270MU-CC typical performance curves (t c = 25 c) dark current and photo current vs. reverse voltage reverse voltage, v r (v) dark current, photo current, i ph (a) i ph i d 10 ?1 10 ?2 10 ?3 10 ?5 10 ?6 10 ?7 10 ?8 10 ?9 10 --10 10 ?4 0510 15 2 5 20 v ss = -5.2 v, = 1550 nm, m = 9, p in = -20 dbm, r l = 50 ? 0246 81012 3 0 -3 -6 -9 -12 -15 -18 -21 v ss = -5.2 v, = 1550 nm, m = 9, p in = -20 dbm, r l = 50 ? 200 150 100 50 0 -50 -100 -150 -200 024681012 frequency response group delay vs. frequency frequency, f (ghz) frequency, f (ghz) response (db) group delay (psec)
NR4270MU-CC typical performance curves (t c = 25 c) v ss = -5.2 v, = 1550 nm, m = 9 02 4 6 81012 10 0 -10 -20 -30 -40 -50 -60 9.953 gb/s, = 1550 nm, nrz, prbs = 2 ?1, v ss = -5.2 v, m = 10 31 10 -5 10 -6 10 -7 10 -8 10 -9 10 -12 10 -11 10 -10 -32 -31 -30 -29 -28 -27 -25 -24 -23 -22 -26 9.953 gb/s, = 1550 nm, nrz, prbs = 2 ?1 31 r l = 50 ? , v ss = -5.2 v, m = 10 error rate characteristics eye diagram average received power p (dbm) rf output return loss vs. frequency frequency, f (ghz) rf output return loss, s 22 (db) relative intensity (40 mv/div.) input wave (20 ps/div.) bit error rate relative intensity (40 mv/div.) p in = -20 dbm output wave form (20 ps/div.) remark: the graphs indicate nominal characteristics.
outline dimensions (units in mm, 0.2 mm unless otherwise specified) pin no. symbol function pin no. symbol function pin no. symbol function 1 gnd ground (0.0v) 8 out output (invert) 15 thm thermistor 2 vapd apd cathode 9 gnd ground (0.0v) 16 thm thermistor 3n cn c1 0 out output (non-invert) 17 gnd ground (0.0 v) 4v ss power supply (-5.2v) 11 gnd ground (0.0v) 5n cn c1 2 gnd ground (0.0v) 6 gnd ground (0.0v) 13 nc nc 7 gnd ground (0.0v) 14 nc nc pin connections 0.2 9.6 0.3 0.2 3.1 2-0.7 2-1.0 2.25 3.0 9.8 4.90.3 0.7 3.1 1.0 0.3 10.75 7.5 1.05 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 0.9 optical fiber (smf) length: 1 m min with sc connector 17.85 2.0 3.950.15 0.15 2.12 0.5 0.6 9.8 2.25 3.3 3.8 3.85 3.4 0.20.1 life support applications these nec products are not intended for use in life support devices, appliances, or systems where the malfunction of these prod ucts can reasonably be expected to result in personal injury. the customers of cel using or selling these products for use in such applications do so at their own risk and agree to fully indemnify cel for all damages resulting from such improper use or sale. NR4270MU-CC part number available connector NR4270MU-CC with sc-upc connector ordering information a business partner of nec com p ound semiconductor devices, ltd . 02/27/2003 parameter specification unit mode field diameter 9.5 1 m cladding diameter 125 2 m maximum cladding noncircularity 2 % maximum core/cladding concentricity 1.6 % outer diameter 0.9 0.1 mm cut-off wavelength 1100 to 1270 nm minimum fiber bending radius 30 mm fiber length 1000 min mm flammability ult1581 vw-1 optical fiber characteristics fiber length: 1000 mm min sc-upc connector 35 2 mm 8.99 0.5 mm
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