plastic fiber optic 50 mbps photologic detector IF-D97 plastic fiber optic 50 mbps photologic detector IF-D97 37 industrial fiber optics, inc. www.i-fiberoptics.com d escription the IF-D97 is a high-speed photologic detector housed in a ?onnector-less?style plastic fiber optic package. the detector contains an ic with a photodiode, linear amplifier and schmitt trigger featuring an act logic compatible totem pole out- put. optical response of the IF-D97 extends from 400 to 1050 nm, making it compatible with a wide range of visible and ir led and laser diode sources. the detector package features an internal micro-lens and a precision-molded pbt housing to ensure efficient optical coupling into standard 1000 ? core plastic fiber cable. a pplication h ighlights the fast transition times of the IF-D97 make it suitable for medium-speed digital data links. link distances in excess of 75 meters at data rates of 50 mbps are pos- sible using standard 1000 ? core plastic fiber and an if-e98 led. the integrated design of the IF-D97 provides simple, cost-effective implementation in a wide variety of digital applications. f eatures no optical design required mates with standard 1000 ? core jacketed plastic fiber cable internal micro-lens for efficient coupling inexpensive plastic connector housing connector-less fiber termination and connection interference-free transmission from light-tight housing totem-pole output totally integrated solution lower current stand-by model available as special order m aximum r atings (t a = 25?) operating temperature range (t op ) ..............................-10 to 70? storage temperature range (t stg ) ............................- 40 to 85? soldering temperature (2 mm from case bottom) (t s ) t 5s ..................................240? supply voltage, (v s )............... -.5 to 7 v power dissipation (p tot ) t a =25? ..................100 mw de-rate above 25? ...........1.7 mw/? a pplications ? pc-to-peripheral data links ? motor controller triggering ? local area networks ? medical instruments ? automotive electronics ? digitized video ? electronic games ? robotics communications ? reduction of lightning and voltage transient susceptibility parameter symbol min typ max unit peak sensitivity peak 800 nm spectral sensitivity (s=10% of s max ) ? 400 1050 nm operating voltage v cc 4.75 5 5.25 v supply current i cc 40ma light required to trigger (v cc =5 v, er (+) 17 ? =660 nm) -17 dbm high level output voltage (i oh = -2.0 ?) v oh 2 v low level output voltage (i oh = .6 ma) v ol 1v output rise and fall times (f= 10.0 khz, r l = 10 ttl loads) t r , t f 7ns propagation delay time t p ?2 ns c haracteristics (t a =25?) catalogfilm_12601. 12/20/01 4:31 pm page 69
IF-D97 plastic fiber optic 50 mbps photologic detector IF-D97 plastic fiber optic 50 mbps photologic detector 38 industrial fiber optics, inc. www.i-fiberoptics.com f igure 4. case outline. 1 2 3 4 m m m notes: 1. y and z are datum dimensions and t is a datum surface. 2. positional tolerance for d (2 pl): 3. positional tolerance for f dim (2 pl): 4. positional tolerance for h dim (2 pl): 5. positional tolerance for q (2 pl): 6. positional tolerance for b (2 pl): 7. dimensioning and tolerancing per ansi y14.5m, 1982. 8. controlling dimension: inch 0.25 (0.010) t y z m m m 0.25 (0.010) t y z m m m 0.25 (0.010) t y z m m m 0.25 (0.010) t y z m 0.25 (0.010) t millimeters inches dim min max min max a b c d e f g h j k l n q r s u v w x 23.24 25.27 .915 .995 8.64 9.14 .340 .360 9.91 10.41 .390 .410 1.52 1.63 .060 .064 4.19 4.70 .165 .185 0.35 0.51 .014 .020 .007 .013 3.81 bsc .150 bsc 7.62 bsc .300 bsc 2.54 bsc .100 bsc 6.98 bsc .275 bsc 5.08 bsc .200 bsc 0.18 0.33 .210 .240 5.30 6.10 .413 .433 10.48 10.99 .032 .042 0.83 1.06 .295 .305 7.49 7.75 .397 .427 10.10 10.68 .045 .065 1.14 1.65 .120 .130 3.05 3.30 vcc out gnd 74act08 7 14 IF-D97 10 f .1 f f igure 3. typical interface circuit. f iber t ermination i nstructions 1. cut off the ends of the optical fiber with a single- edge razor blade or sharp knife. try to obtain a precise 90-degree angle (square). 2. insert the fiber through the locking nut and into the connector until the core tip seats against the internal micro-lens. 3. screw the connector locking nut down to a snug fit, locking the fiber in place. f igure 1. typical detector response versus wavelength. 400 500 600 700 800 900 1000 1100 wavelength (nm) normalized response 0.0 0.2 0.4 0.6 0.8 1.0 f igure 2. normalized threshold irradiance vs. amb. temp. tbd p ackage i dentification : black housing w/ copper dot pin 1. ground pin 2. q pin 3. ground pin 4. v cc catalogfilm_12601. 12/20/01 4:31 pm page 66
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