80 m ingaas pin-pd coaxial module for 622 mb/s, 156 mb/s fiber optic communications and edfa monitor nr7800 series features small dark current: i d = 0.1 na high speed response: fc = 2.5 ghz min. high sensitivity: s = 0.89 a/w at = 1310 nm s = 0.94 a/w at = 1550 nm low operating voltage: v r = 5 v coaxial module with single mode fiber (smf) or gi-50 fiber with sc connector: standard, fc connector: option (refer to ordering information) the nr7800 series are ingaas pin photo diode (pin-pd) coaxial modules with single mode fiber. these modules are designed for long wavelength optical communication systems and are ideal as recievers for synchronous digital hierarchy (sdh) system, stm-4 and stm-1, itu-t recommendations. description part number nr7800 series symbols parameters and conditions units min typ max i d dark current, v r = 5 v, t c = 25?c na 0.1 1.0 v r = 5 v 20 c t terminal capacitance, v r = 5 v, f = 1 mhz, t c = 25?c pf 1.0 1.5 s sensitivity, v r = 5 v, = 1310 nm a/w 0.78 0.89 v r = 5 v, = 1550 nm 0.80 0.94 ? s t temperature dependence of sensitivity, % -5 5 v r = 5 v, = 1550 nm ? s p polarization dependence of sensitivity, % -2.5 2.5 v r = 5 v, = 1550 nm, t c = 25?c ? s w wavelength dependence of sensitivity, % -2.5 2.5 v r = 5 v, = 1520 to 1560 nm, t c = 25?c fc cut-off frequency, v r = 5 v, t c = 25?c ghz 2.5 orl optical return loss, smf db 30 gi-50 fiber 28 electro-optical characteristics (t c = 40 c to +85?c, unless otherwise specified) california eastern laboratories
dark current, i d (na) temperature dependence of dark current absolute maximum ratings 1 (t c = 25 c, unless otherwise specified) symbols parameters units ratings v r reverse voltage v 20 i f forward current ma 10 p in optical input power mw 8 t c operating case temp. c -40 to +85 t stg storage temperature c -40 to +85 t sld lead soldering temp. c 260 (10 sec.) rh relative humidity % 85 (noncondensing) wavelength dependence of quantum efficiency responsivity (relative value), ? s/s (%) operating case temperature, t c ( c) reverse voltage, v r (v) dark current,i d (na) reverse voltage dependence of dark current quantum efficiency, (%) wavelength, ( m) typical performance curves (t c = 25 c, unless otherwise specified) temperature dependence of responsivity note: 1. operation in excess of any one of these parameters may result in permanent damage. nr7800 series 100 80 60 40 20 0 0.9 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1.0 10 0 -10 -60 -40 -20 0 20 40 60 80 100 = 1300 nm t c = 75 c 25 c 0 c -25 c 50 c 10 1.0 0.1 0.01 0.001 10 020 v r = 5 v 10 1 10 0 10 -1 10 -2 10 -3 -60 -40 -20 0 20 40 60 80 100 operating case temperature, t c ( c) remark:the graphs indicate nominal characteristics.
nr7800 series typical performance curves (t c = 25 c, unless otherwise specified) 1. anode (negative) 2. cathode (positive) 3. case remark:the graphs indicate nominal characteristics. nr7800bp/br outline dimensions (units in mm) frequency response response (db) frequency, f (ghz) v r = 5 v = 1300 nm p in = -10db r l = 50 ? 0 5.0 2.5 12 9 6 3 0 -3 -6 -9 -12 -15 reverse voltage dependence of terminal capacitance terminal capacitance, c t (pf) reverse voltage, v r (v) 2 0.3 0.5 1 10 3 1 0.3 0.1 f = 1.0 mhz pin connections 0.9 optical fiber (smf) length: 1 m min with sc-upc connector 8.00.3 7.00.2 4.00.2 2.2 3.2 2.2 0.450.05 18.31.0 25.51.0 1.20.2 20.01.0 12.70.2 17.00.2 p.c.d. = 2.0 7.20.3 3.70.3 1.00.1 6.0 3 1 2 16.00.2 0.5 0.450.05 0.9 optical fiber length: 1 m min 7.00.2 8.00.3 0.50.2 6.0 15.0 25.31.0 4.3 p.c.d. = 2.0 4 r1.250.2 2 2.5 8.50.2 1 2 3 12.00.15 7.00.2 14.01.0 2 3 1 1. anode (negative) 2. cathode (positive) 3. case pin connections nr7800cp/cr
nr7800 series optical fiber characteristics parameter units specification smf gi-50 mode field diameter m 9.5 1 core diameter m 50 3 cladding diameter m 125 2 125 2 maximum cladding noncircularity % 2 2 maximum core/cladding concentricity % 1.6 4.0 outer diameter mm 0.9 0.1 0.9 0.1 cut-off wavelenght nm 1100 to 1270 minimum fiber bending radius mm 30 30 fiber length mm 1000 min 1000 min flammability ul1581 vw-1 352 mm fiber length: 1000 mm min connector 8.990.5 mm part number flange type fiber type available connector 1 nr7800bp-bc flat mount flange smf with fc-upc connector nr7800bp-cc with sc-upc connector NR7800BR-BB gi-50 fiber with fc-spc connector nr7800br-cb with sc-spc connector nr7800cp-bc vertical mount smf with fc-upc connector nr7800cp-cc flange with sc-upc connector nr7800cr-bb gi-50 fiber with fc-spc connector nr7800cr-cb with sc-spc connector note: 1. sc connector: standard fc connector: option ordering information exclusive north american agent for rf, microwave & optoelectronic semiconductors california eastern laboratories ?headquarters ?4590 patrick henry drive ?santa clara, ca 95054-1817 ?(408) 988-3500 ?telex 34-6393 ?fax (408) 988-0279 24-hour fax-on-demand: 800-390-3232 (u.s. and canada only) ?internet: http://www.cel.com 06/19/2001 data su bject to change without notice
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