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8/10/04 p age 1 of 17 ?2004 fairchild semiconductor corporation l vttl/lvcmos compatible low input current high gain split darlington optocouplers single channel: fod070l fod270l dual channel: fod073l description the fod070l, fod270l and fod073l optocouplers consist of an algaas led optically coupled to a high gain split darlington photodetector. these devices are speci?d to operate at a 3.3v supply voltage. the split darlington con?uration separating the input photodiode and the ?st stage gain from the output transistor permits lower output saturation voltage and higher speed operation than possible with conventional darlington phototransistor optocoupler. in the dual channel device fod073l, an inte- gr ated emitter ?base resistor provides superior stability over temperature. the combination of a very low input current of 0.5 ma and a high current transfer ratio of 2000% makes this family particularly useful for input interface to mos, cmos, lsttl and eia rs232c, while output compatibility is ensured to lvcmos as well as high fan-out lvttl requirements. an internal noise shield provides exceptional common mode rejection of 10 kv/?. features ? ow power consumption ? ow input current - 0.5 ma ? v ailable in single channel 8-pin dip (fod270l), 8-pin soic (fod070l) and dual channel 8-pin soic high ctr-2000% high cmr-10 kv/? guaranteed performance over temperature 0? to 70? ? .l. recognized (file # e90700) ? vttl/lvcmos compatible output applications digital logic ground isolation ?lvttl/lvcmos ? elephone ring detector eia-rs-232c line receiver high common mode noise line receiver ? bus isolation current loop receiver truth table led v o on low off high 8 8 1 8 1 1 1 2 3 4 5 6 7 8 + _ v f v cc v b v o gnd fod070l / fod270l n/c n/c 1 2 3 4 5 6 7 8 + _ v f1 v cc v 01 v 02 gnd fod073l v f2 _ +
8/10/04 p age 2 of 17 ?2004 fairchild semiconductor corporation l vttl/lvcmos compatible low input current high gain split darlington optocouplers single channel: fod070l fod270l dual channel: fod073l **all typicals at t a = 25? absolute maximum ratings (no derating required up to 85?) p arameter symbol value units storage temperature t stg -40 to +125 ? operating temperature t opr -40 to +85 ? lead solder temperature (wave solder only. see re?w pro?e for surface mount devices) t sol 260 for 10 sec ? emitter dc/average forward input current each channel i f (avg) 20 ma p eak forward input current (50% duty cycle, 1 ms p.w.) each channel i f (pk) 40 ma p eak transient input current - ( 1 ? p.w., 300 pps) each channel i f (trans) 1.0 a reverse input voltage each channel v r 5v input power dissipation each channel p d 35 mw detector av erage output current each channel i o (avg) 60 ma emitter-base reverse voltage (fod070l, fod270l) each channel v eb 0.5 v supply voltage, output voltage each channel v cc , v o -0.5 to 7 v output power dissipation each channel p d 100 mw electrical characteristics (t a = 0 to 70? unless otherwise speci?d) individual component characteristics p arameter test conditions symbol device min typ** max unit emitter t a =25? v f all 1.35 1.7 v input forward voltage each channel (i f = 1.6 ma) 1.75 input reverse breakdown v oltage (t a =25?, i r = 10 ?) bv r all 5.0 v each channel detector logic high output current (i f = 0 ma, v o = v cc = 3.3 v) i oh fod070l fod270l 0.05 25 ? each channel fod073l logic low supply current i f = 1.6 ma, v o = open, v cc = 3.3v i ccl fod070l fod270l 0.5 1.5 ma fod073l 0.8 3 i f1 = i f2 = 1.6ma v o1 = v o2 = open, v cc = 3.3 v logic high supply current i f = 0 ma, v o = open, v cc = 3.3v i cch fod070l fod270l 0.01 1 ? fod073l 0.01 2 i f1 = i f2 = 0ma v o1 = v o2 = open, v cc = 3.3 v
8/10/04 p age 3 of 17 ?2004 fairchild semiconductor corporation l vttl/lvcmos compatible low input current high gain split darlington optocouplers single channel: fod070l fod270l dual channel: fod073l **all typicals at t a = 25? ** all typicals at ta = 25? transfer characteristics (t a = 0 to 70? unless otherwise speci?d) p arameter test conditions symbol device min typ** max unit coupled current transfer ratio (notes 1,2) (i f = 0.5 ma, v o = 0.4 v, v cc = 3.3v) ctr all 400 7000 % logic low output voltage output voltage (note 2) (i f = 1.6 ma, i o = 8 ma, v cc = 3.3v) v ol all 0.07 0.3 v (i f = 5 ma, i o = 15 ma, v cc = 3.3v) all 0.07 0.4 switching characteristics (t a = 0 to 70? unless otherwise speci?d., v cc = 3.3 v) p arameter test conditions symbol device min typ** max unit propagation delay time to logic low (r l = 4.7 k ? , i f = 0.5 ma) (note 2) (fig. 17) t phl fod070l fod270l 3 30 ? fod073l 5 propagation delay time to logic high (r l = 4.7 k ? , i f = 0.5 ma) (note 2) (fig. 17) t plh fod070l fod270l 50 90 ? fod073l 25 common mode transient immunity at logic high (i f = 0 ma, |v cm | = 10 v p-p ) t a = 25? (r l = 2.2 k ? ) (note 3) (fig. 18) |cm h | all 1,000 10,000 v/? common mode transient immunity at logic low (i f = 1.6 ma, |v cm | = 10 v p-p , r l = 2.2 k ? ) t a = 25? (note 3) (fig. 18) |cm l | all 1,000 10,000 v/?
8/10/04 p age 4 of 17 ?2004 fairchild semiconductor corporation l vttl/lvcmos compatible low input current high gain split darlington optocouplers single channel: fod070l fod270l dual channel: fod073l ** all typicals at t a = 25? 1. current transfer ratio is de?ed as a ratio of output collector current, i o , to the forward led input current, i f , times 100%. 2. pin 7 open. (fod070l and fod270l only) 3. common mode transient immunity in logic high level is the maximum tolerable (positive) dv cm /dt on the leading edge of the common mode pulse signal, v cm , to assure that the output will remain in a logic high state (i.e., v o >2.0 v). common mode transient immunity in logic low level is the maximum tolerable (negative) dv cm /dt on the trailing edge of the common mode pulse signal, v cm , to assure that the output will remain in a logic low state (i.e., v o <0.8 v). 4. device is considered a two terminal device: pins 1, 2, 3 and 4 are shorted together and pins 5, 6, 7 and 8 are shorted togeth er. 5. for dual channel devices, ci-o is measured by shorting pins 1 and 2 or pins 3 and 4 together and pins 5 through 8 shorted together. 6. measured between pins 1 and 2 shorted together, and pins 3 and 4 shorted together. isolation characteristics (t a = 0 to 70? unless otherwise speci?d) characteristics test conditions symbol device min typ** max unit input-output insulation leakage current (relative humidity = 45%) (t a = 25?, t = 5 s) (v i-o = 3000 vdc) (note 4) i i-o all 1.0 ? withstand insulation test voltage (r h 50%, t a = 25?) (note 4) ( t = 1 min.) v iso fod070l fod073l 2500 v rms fod270l 5000 resistance (input to output) (note 4) (v i-o = 500 vdc) r i-o all 10 12 ? capacitance (input to output) (note 4,5) (f = 1 mhz) c i-o all 0.7 pf input-input insulation leakage current (rh 45%, v i-i = 500 vdc (note 6) i i-i fod073l 0.005 ? input-input resistance (v i-i = 500 vdc) (note 6) r i-i fod073l 10 11 ? input-input capacitance (f = 1 mhz) (note 6) c i-i fod073l 0.03 pf notes
8/10/04 p age 5 of 17 ?2004 fairchild semiconductor corporation l vttl/lvcmos compatible low input current high gain split darlington optocouplers single channel: fod070l fod270l dual channel: fod073l t ypical performance curves fig. 1 input forward current vs forward voltage fig. 2 current transfer ratio vs. input forward current (fod270l only) v f - forward voltage (v) 1.1 1.0 0.9 1.2 1.3 1.4 1.5 1.6 1.7 i f - forward current (ma) 0.001 0.01 0.1 1 10 100 i f - forward current (ma) 110 0.1 ctr - current transfer ratio (%) 0 500 1000 1500 2000 2500 3000 3500 4000 4500 v o - output voltage (v) 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 0 20 40 60 80 100 120 140 fig. 6 dc transfer characterstics (fod073l only) i o - output current (ma) t a = 85 c t a = 70 c t a = 25 c t a = -40 c t a = 0 c 4ma 3.5ma 2.5ma 0.5ma 3ma 2ma 1ma t a = 25 c v cc = 3.3v i f = 5ma i f = 4.5ma 1.5ma fig. 5 dc transfer charactersitics (fod070l, fod270l) v o - output voltage (v) 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 i o - output current (ma) 0 20 40 60 80 100 120 140 160 t a = 25 c v cc = 3.3v i f = 5ma i f = 4.5ma 4ma 3.5ma 2.5ma 1.5ma 0.5ma 3ma 2ma 1ma v o = 0.4v v cc = 3.3v t a = 25 c t a = 85 c t a = 70 c t a = 25 c t a = 0 c t a = -40 c fig. 3 current transfer ratio vs. input forward current (fod070l only) fig. 4 current transfer ratio vs. input forward current (fod073l only) i f - forward current (ma) 110 0.1 ctr - current transfer ratio (%) 0 500 1000 1500 2000 2500 3000 3500 4000 4500 i f - forward current (ma) 110 0.1 ctr - current transfer ratio (%) 0 500 1000 1500 2000 2500 3000 3500 v o = 0.4v v cc = 3.3v t a = 25 c t a = 85 c t a = 70 c t a = 25 c t a = 0 c t a = -40 c v o = 0.4v v cc = 3.3v t a = 25 c t a = 85 c t a = 70 c t a = 25 c t a = 0 c t a = -40 c
8/10/04 p age 6 of 17 ?2004 fairchild semiconductor corporation l vttl/lvcmos compatible low input current high gain split darlington optocouplers single channel: fod070l fod270l dual channel: fod073l t ypical performance curves fig. 7 supply current vs input forward current fig. 8 output current vs input forward current (fod270l only) (fod270l, fod070l, fod073l) i f - input forward current (ma) 0.1 1 10 i cc - (per channel) - supply current (ma) 0.01 0.1 1 10 i f - input forward current (ma) 0.1 1 10 i o - output current (ma) 1 10 100 fig. 9 output current vs input forward current (fod070l only) fig. 11 propagation delay vs. input forward current (fod070l only) fig. 12 propagation delay vs. ambient temperature (fod073l only) fig. 10 output current vs input forward current (fod073l only) i f - forward current (ma) i f - input forward current (ma) 0.1 1 10 i o - output current (ma) 1 10 100 012345 678910 t a - ambient temperature ( c) -40 -20 0 20 40 60 80 100 t phl - propagation delay to logic low ( s) t p - propagation delay ( s) t plh - propagation delay to logic high ( s) 0 4 3 2 1 5 44 52 50 48 46 54 i f - forward current (ma) 0.1 1 10 i o - output current (ma) 0.1 10 1 100 t a = 25 c v cc = 3.3v fod270l or fod070l fod073l v o = 0.4v v cc = 3.3v t a = 25 c t a = 85 c t a = -40 c t a = 0 c t a = 25 c t a = 70 c v o = 0.4v v cc = 3.3v t a = 25 c t a = -40 c t a = 70 c, 85 c t a = 0 c t a = 25 c t plh t plh t phl t phl 0 40 30 20 10 50 60 70 v o = 0.4v v cc = 3.3v t a = 25 c t a = -40 c t a = 70 c, 85 c t a = 0 c t a = 25 c t a = 25 c v cc = 3.3v r l = 4.7k ? 1/f = 100 s duty cycle = 10% v cc = 3.3v if = 0.5ma r l = 4.7k ? 1/f = 100 s duty cycle = 10%
8/10/04 p age 7 of 17 ?2004 fairchild semiconductor corporation l vttl/lvcmos compatible low input current high gain split darlington optocouplers single channel: fod070l fod270l dual channel: fod073l t ypical performance curves fig. 13 propagation delay vs. ambient temperature (fod070l, fod270l) fig. 14 propagation delay to logic low vs pulse period (fod073l, fod070l, fod270l) t a - ambient temperature ( c) t - pulse period (ms) -40 0.01 0.1 1 10 -20 0 20 40 60 80 100 t phl - propagation delay to logic low ( s) t plh - propagation delay to logic high ( s) t plh t plh t plh t phl t phl t phl 0 8 6 4 2 10 12 14 t phl - propagation delay to logic low ( s) 1 10 100 0 80 60 40 20 100 120 140 fig. 15 propagation delay vs. input forward current (fod270l only) fig. 16 propagation delay vs. input forward current (fod073l only) i f - input forward current (ma) i f - input forward current (ma) 012345 678910 t phl - propagation delay to logic low ( s) t plh - propagation delay to logic high ( s) 0 2 1 3 4 5 42 50 48 46 44 52 012345 678910 t phl - propagation delay to logic low ( s) t plh - propagation delay to logic high ( s) 0 4 2 6 8 12 10 16 24 22 20 18 26 28 v cc = 3.3v if = 0.5ma r l = 4.7k ? 1/f = 200 s duty cycle = 10% t a = 25 c v cc = 3.3v i = 0.5ma r l = 4.7k ? duty cycle = 50 s fod070l, fod270l fod073l t a = 25 c v cc = 3.3v r l = 4.7k ? 1/f = 100 s duty cycle = 10% t a = 25 c v cc = 3.3v r l = 4.7k ? 1/f = 100 s duty cycle = 10%
8/10/04 p age 8 of 17 ?2004 fairchild semiconductor corporation l vttl/lvcmos compatible low input current high gain split darlington optocouplers single channel: fod070l fod270l dual channel: fod073l f i g . 17 s witchin g t i me t est circuit t t plh ol v o v o 3 . 3 v 50% f i 50% t phl t 4 5 noise 1 2 3 s hi e l d 8 7 6 o v v cc v 01 v 02 g nd v f1 - + f2 v f i + f i mo nit or l r 0 .1 v 3 i monitor f 4 t r = 5 n s ge n e r ato r pulse z = 50 o v f v v i v f 2 1 v o v v o 6 5 g nd 7 8 v o b v b l r cc v c + 3 . 3 v + 3 . 3 v 0 .1
8/10/04 p age 9 of 17 ?2004 fairchild semiconductor corporation l vttl/lvcmos compatible low input current high gain split darlington optocouplers single channel: fod070l fod270l dual channel: fod073l fig. 18 common mode immunity test circuit test circuit for fod073l test circuit for fod070l and fod270l pulse gen cm v v ff b a +- +3.3 v o v - i f 3 4 f v 2 1 shield noise 6 o 5 gnd 7 8 v b v cc v l r switch at a : i = 0 ma f switch at b : i = 1.6 ma f t r v o o v ol v 3.3 v 0 v 10% 10% 90% cm v 10 v gnd + - f2 v v f1 - +3.3 v cc v l v 02 v r 01 v o v cm a b pulse gen f i +- + 0.1 f f t ff v 90% 1 3 4 2 shield noise 8 6 5 7 0.1 f
8/10/04 p age 10 of 17 ?2004 fairchild semiconductor corporation l vttl/lvcmos compatible low input current high gain split darlington optocouplers single channel: fod070l fod270l dual channel: fod073l pa ck ag e dimensions (through hole) 0.200 (5.08) 0.140 (3.55) 0.100 (2.54) typ 0.022 (0.56) 0.016 (0.41) 0.020 (0.51) min 0.390 (9.91) 0.370 (9.40) 0.270 (6.86) 0.250 (6.35) 3 0.070 (1.78) 0.045 (1.14) 2 41 56 7 8 0.300 (7.62) typ 0.154 (3.90) 0.120 (3.05) 0.016 (0.40) 0.008 (0.20) 15?max pin 1 id. seating plane pa ck ag e dimensions (surface mount) lead coplanarity : 0.004 (0.10) max 0.270 (6.86) 0.250 (6.35) 0.390 (9.91) 0.370 (9.40) 0.022 (0.56) 0.016 (0.41) 0.100 (2.54) typ 0.020 (0.51) min 0.070 (1.78) 0.045 (1.14) 0.300 (7.62) typ 0.405 (10.30) min 0.315 (8.00) min 0.045 [1.14] 32 1 4 567 8 0.016 (0.41) 0.008 (0.20) pin 1 id. pa ck ag e dimensions (0.4"lead spacing) 0.200 (5.08) 0.140 (3.55) 0.100 (2.54) typ 0.022 (0.56) 0.016 (0.41) 0.004 (0.10) min 0.390 (9.91) 0.370 (9.40) 0.270 (6.86) 0.250 (6.35) 3 0.070 (1.78) 0.045 (1.14) 2 41 56 7 8 0.400 (10.16) typ 0.154 (3.90) 0.120 (3.05) 0.016 (0.40) 0.008 (0.20) 0?to 15 pin 1 id. seating plane recommend pad layout for surface mount leadform 0.070 (1.78) 0.060 (1.52) 0.030 (0.76) 0.100 (2.54) 0.295 (7.49) 0.415 (10.54) note all dimensions are in inches (millimeters) 8-pin dip
8/10/04 p age 11 of 17 ?2004 fairchild semiconductor corporation l vttl/lvcmos compatible low input current high gain split darlington optocouplers single channel: fod070l fod270l dual channel: fod073l soic 8 pa ck ag e dimensions (surface mount) lead coplanarity : 0.004 (0.10) max 0.202 (5.13) 0.182 (4.63) 0.021 (0.53) 0.011 (0.28) 0.050 (1.27) ty p 0.164 (4.16) 0.144 (3.66) 0.244 (6.19) 0.224 (5.69) 0.143 (3.63) 0.123 (3.13) 0.008 (0.20) 0.003 (0.08) 0.010 (0.25) 0.006 (0.16) seat ing plane recommend pad layout 0. 024 (0.61) 0. 050 (1.27) 0. 155 (3.94) 0. 275 (6.99) 0. 060 (1.52)
8/10/04 p age 12 of 17 ?2004 fairchild semiconductor corporation l vttl/lvcmos compatible low input current high gain split darlington optocouplers single channel: fod070l fod270l dual channel: fod073l ordering information marking information (fod070l, fod073l) option order entry identi?r description s fod270ls surface mount lead bend (dip package only) sd fod270lsd surface mount; tape and reel (dip package only) (1000 units per reel) sv pending approval surface mount; vde 0884 (dip package only) sdv pending approval surface mount; tape and reel (dip package only); vde 0884 (1000 units per reel) t fod270lt 0.4" lead spacing (dip package only) tv pending approval 0.4" lead spacing, vde 0884 (dip package only) r1 fod070lr1 tape and reel (500 units per reel) (soic 8 package only) r1v pending approval vde, tape and reel (500 units per reel) (soic 8 package only) r2 fod070lr2 tape and reel (2500 units per reel) (soic 8 package only) r2v pending approval vde 0884, tape and reel (2500 units per reel) (soic 8 package only) vp ending approval vde 0884 1 2 6 4 3 5 de?itions 1f airchild logo 2d e vice number 3 vde mark (note: only appears on parts ordered with vde option ?see order entry table) 4 one digit year code, e.g., ? 5t wo digit work week ranging from ?1 to ?3 6 assembly package code 70l s yy x v
8/10/04 p age 13 of 17 ?2004 fairchild semiconductor corporation l vttl/lvcmos compatible low input current high gain split darlington optocouplers single channel: fod070l fod270l dual channel: fod073l marking information (fod270l) 1 2 6 4 3 5 270l b yy xx v de?itions 1f airchild logo 2d e vice number 3 vde mark (note: only appears on parts ordered with vde option ?see order entry table) 4t wo digit year code, e.g., ?3 5t wo digit work week ranging from ?1 to ?3 6 assembly package code
8/10/04 p age 14 of 17 ?2004 fairchild semiconductor corporation l vttl/lvcmos compatible low input current high gain split darlington optocouplers single channel: fod070l fod270l dual channel: fod073l carrier tape speci?ations (fod070l and fod073l) 4.0 0.10 1.5 min user direction of feed 2.0 0.05 1.75 0.10 5.5 0.05 12.0 0.3 8.0 0.10 0.30 max 8.3 0.10 3.50 0.20 0.1 max 6.40 0.20 5.20 0.20 1.5 0.1/-0
8/10/04 p age 15 of 17 ?2004 fairchild semiconductor corporation l vttl/lvcmos compatible low input current high gain split darlington optocouplers single channel: fod070l fod270l dual channel: fod073l carrier tape speci?ations (fod270l) description symbol dimension in mm t ape width w 16.0 ?0.3 t ape thickness t 0.30 ?0.05 sprocket hole pitch p 0 4.0 ?0.1 sprocket hole diameter d 0 1.55 ?0.05 sprocket hole location e 1.75 ?0.10 po ck et location f 7.5 ?0.1 p 2 4.0 ?0.1 po ck et pitch p 12.0 ?0.1 po ck et dimensions a 0 10.30 ?.20 b 0 10.30 ?.20 k 0 4.90 ?.20 cover tape width w 1 1.6 ?0.1 cover tape thickness d 0.1 max max. component rotation or tilt 10 min. bending radius r 30 d 0 p t 2 d 0 1 1 w user direction of feed 0 k b 0 a 0 w e d f p p
8/10/04 p age 16 of 17 ?2004 fairchild semiconductor corporation l vttl/lvcmos compatible low input current high gain split darlington optocouplers single channel: fod070l fod270l dual channel: fod073l re?w pro?e (fod070l and fod073l) re?w pro?e (fod270l) ramp up = 2?0 c/sec ? peak reflow temperature: 245 c (package surface temperature) ? time of temperature higher than 183 c for 120?80 seconds ? one time soldering reflow is recommended 230 c, 10?0 s time (minute) 0 300 250 200 150 100 50 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 te mperature ( c) time above 183 c, 120?80 sec 245 c peak ? peak reflow temperature 260 c (package surface temperature) ? time of temperature higher than 245 c 40 seconds or less ? number of reflows three 300 250 200 temperature ( c) 150 100 50 50 100 150 200 250 time (s) 10 s 40 s 260 245
life support policy fairchild? products are not authorized for use as critical components in life support devices or systems without the express written approval of the president of fairchild semiconductor corporation. as used herein: 1. life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. 2. a critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. disclaimer fairchild semiconductor reserves the right to make changes without further notice to any products herein to improve reliability, function or design. fairchild does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights, nor the rights of others. 8/10/04 p age 17 of 17 ?2004 fairchild semiconductor corporation l vttl/lvcmos compatible low input current high gain split darlington optocouplers single channel: fod070l fod270l dual channel: fod073l

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