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1-108 h dual channel low input current, high gain optocouplers technical data features ? high current transfer ratio C 1800% typical ? low input current requirements C 0.5 ma ? low output saturation voltage C 0.1 v ? high density packaging ? performance guaranteed over temperature 0 cto70 c ? lsttl compatible ? high output current C 60 ma ? safety approval ul recognized - 2500 v rms for 1 minute and 5000 v rms* for 1 minute csa approved ? available in 8 pin dip and so-8 footprint ? mil-std-1772 version available (hcpl-5730/5731) ? surface mount gull wing option available for 8-pin dip (option 300) applications ? digital logic ground isolation ? telephone ring detector ? level shifting ? eia rs-232c line receiver ? polarity sensing ? low input current line receiver - long line or party line ? microprocessor bus isolation ? current loop receiver ? line voltage status indicator -low input power dissipation hcpl-2730 HCPL-0730 hcpl-2731 hcpl-0731 description these dual channel optocouplers contain a separated pair of gaasp light emitting diodes optically coupled to a pair of integrated high gain photo detectors. they provide extremely high current transfer ratio and excellent input- output common mode transient immunity. a separate pin for the photodiodes and first gain stages (v cc ) permits lower output satura- tion voltage and higher speed operation than possible with conventional photodarlington type optocouplers. in addition, v cc may be as low as 1.6 v functional diagram caution: it is advised that normal static precautions be taken in handling and assembly of this component to prevent damage and/or degradation which may be induced by esd. *5000 v rms/1 minute withstand voltage rating is for option 020 (hcpl-2730, hclp-2731) products only. a 0.1 m f bypass capacitor connected between pins 5 and 8 is recommended. v o2 v o1 v cc gnd anode 1 cathode 1 cathode 2 anode 2 7 5 6 8 2 3 4 1 truth table led on off v o low high 5965-3597e
1-109 without adversely affecting the parametric performance. these dual channel optocouplers are available in an 8-pin dip and in an industry standard so-8 package. the following is a cross reference table listing the 8-pin dip part number and the electrically equivalent soic-8 part number. 8-pin dip so-8 hcpl-2730 HCPL-0730 hcpl-2731 hcpl-0731 the so-8 does not require through holes in a pcb. this package occupies approximately one-third the footprint area of the standard dual-in-line package. the lead profile is designed to be compatible with standard surface mount processes. guaranteed operation at low input currents and the high current transfer ratio (ctr) reduce the magnitude and effects of ctr degradation. the outstanding high temperature performance of this split darlington type output amplifier results from the inclusion of an integrated emitter-base bypass resistor which shunts photodiode and first stage leakage currents to ground. the hcpl-2731/0731 have a 400% minimum ctr at an input current of only 0.5 ma making it ideal for use in low input current applications such as mos, cmos, and low power logic interfacing or rs232c data transmission systems. in addition, the high ctr and high output current capability make this device extremely useful in applications where a high fanout is required. compatibility with high voltage cmos logic systems is guaranteed by the 18 v v cc and v o specifica- tions and by testing output high leakage (i oh ) at 18 v. the hcpl-2730/0730 are speci- fied at an input current of 1.6 ma and have a 7 v v cc and v o rating. the 300% minimum ctr allows ttl to ttl interfacing at this input current. important specifications such as ctr, leakage current, and output saturation voltage are guaranteed over the 0 c to 70 c temperature range to allow trouble-free system operation. selection for lower input currents down to 250 m a is available upon request. selection guide widebody 8-pin dip package hermetic (300 mil) small outline so-8 (400 mil) single and dual single dual minimum absolute dual single channel channel channel single input on maxi- channel channel package package package channel current minimum mum packages package hcpl- hcpl- hcpl- package (i f ) ctr v cc hcpl- 6n139 [1] 2731 0701 [1] 0731 hcnw139 [1] 0.5 ma 400% 18 v 6n138 [1] 2730 0700 [1] 0730 hcnw138 [1] 1.6 ma 300% 7 v hcpl-4701 [1] 4731 [1] 070a [1] 073a [1] 40 m a 800% 18 v 0.5 ma 300% 20 v 5701 [1] 5700 [1] 5731 [1] 5730 [1] note: 1. technical data are on separate hp publications.
1-110 ordering information specify part number followed by option number (if desired). example: hcpl-2731#xxx 020 = 5000 v rms/1 minute ul rating option.* 300 = gull wing surface mount option, 50 per tube.** 500 = tape and reel packaging option, 1000 per reel. option data sheets available. contact your hewlett-packard sales representative or authorized distributor for information. *for hcpl-2731 and hcpl-2730 only. **gull wing surface mount option applies to through hole parts only. schematic i f2 6 5 gnd 3 4 v o2 v f2 i o2 + i f1 8 7 v cc 1 2 v o1 i cc v f1 i o1 + hcpl-2731/0731 shield use of a 0.1 ? bypass capacitor connected between pins 5 and 8 is recommended (see note 8)
1-111 9.65 ?0.25 (0.380 ?0.010) 1.78 (0.070) max. 1.19 (0.047) max. hp xxxxz yyww date code 1.080 ?0.320 (0.043 ?0.013) 2.54 ?0.25 (0.100 ?0.010) 0.51 (0.020) min. 0.65 (0.025) max. 4.70 (0.185) max. 2.92 (0.115) min. dimensions in millimeters and (inches). 5 6 7 8 4 3 2 1 5?typ. option code* ul recognition ur 0.254 + 0.076 - 0.051 (0.010 + 0.003) - 0.002) 7.62 ?0.25 (0.300 ?0.010) 6.35 ?0.25 (0.250 ?0.010) type number *marking code letter for option numbers "l" = option 020 option numbers 300 and 500 not marked. package outline drawings 8-pin dip package (hcpl-2731/hcpl-2730) 8-pin dip package with gull wing surface mount option 300 (hcpl-2731/hcpl-2730) 0.635 ?0.25 (0.025 ?0.010) 12?nom. 9.65 ?0.25 (0.380 ?0.010) 0.635 ?0.130 (0.025 ?0.005) 7.62 ?0.25 (0.300 ?0.010) 5 6 7 8 4 3 2 1 9.65 ?0.25 (0.380 ?0.010) 6.350 ?0.25 (0.250 ?0.010) 1.016 (0.040) 1.194 (0.047) 1.194 (0.047) 1.778 (0.070) 9.398 (0.370) 9.906 (0.390) 4.826 (0.190) typ. 0.381 (0.015) 0.635 (0.025) pad location (for reference only) 1.080 ?0.320 (0.043 ?0.013) 4.19 (0.165) max. 1.780 (0.070) max. 1.19 (0.047) max. 2.54 (0.100) bsc dimensions in millimeters (inches). lead coplanarity = 0.10 mm (0.004 inches). 0.254 + 0.076 - 0.051 (0.010 + 0.003) - 0.002)
1-112 small outline so-8 package (hcpl-0731/HCPL-0730) note: use of nonchlorine activated fluxes is highly recommended. regulatory information the hcpl-2731/2730 have been approved by the following organizations: ul recognized under ul 1577, component recognition program, file e55361. 240 d t = 115?, 0.3?/sec 0 d t = 100?, 1.5?/sec d t = 145?, 1?/sec time ?minutes temperature ?? 220 200 180 160 140 120 100 80 60 40 20 0 260 123 456789101112 xxx yww 8765 4 3 2 1 5.842 ?0.203 (0.236 ?0.008) 3.937 ?0.127 (0.155 ?0.005) 0.381 ?0.076 (0.016 ?0.003) 1.270 (0.050) bsg 5.080 ?0.127 (0.200 ?0.005) 3.175 ?0.127 (0.125 ?0.005) 1.524 (0.060) 45?x 0.432 (0.017) 0.228 ?0.025 (0.009 ?0.001) type number (last 3 digits) date code 0.305 (0.012) min. dimensions in millimeters (inches). lead coplanarity = 0.10 mm (0.004 inches). 0.152 ?0.051 (0.006 ?0.002) 7 solder reflow temperature profile (hcpl-073x and gull wing surface mount option 300 parts). csa approved under csa component acceptance notice #5, file ca 88324.
1-113 absolute maximum ratings (no derating required up to 85 c) parameter symbol min. max. units storage temperature t s -55 125 c operating temperature t a -40 85 c average forward input current i f(avg) 20 ma peak forward input current i fpk 40 ma (50% duty cycle, 1 ms pulse width) reverse input voltage (each channel) v r 5v input power dissipation (each channel) p i 35 mw output current (each channel) i o 60 ma supply voltage and output voltage v cc -0.5 18 v (hcpl-2731, hcpl-0731) (v cc - pin 8-5, v o - pin 7,6-5) -note 1 supply voltage and output voltage v cc -0.5 7 v (hcpl-2730, HCPL-0730) (v cc - pin 8-5, v o - pin 7,6-5) -note 1 output power dissipation (each channel) -note 12 p o 100 mw total power dissipation (each channel) p t 135 mw lead solder temperature (for through hole devices) 260 c for 10 sec., 1.6 mm below seating plane reflow temperature profile see package outline drawings section (for soic-8 and option #300) insulation related specifications (hcpl-2731/2730/0731/0730) 8-pin dip (300 mil) so-8 parameter symbol value value units conditions minimum external air l(101) 7.1 4.9 mm measured from input terminals to gap (external output terminals, shortest distance clearance) through air. minimum external l(102) 7.4 4.8 mm measured from input terminals to tracking (external output terminals, shortest distance creepage) path along body. minimum internal plastic 0.08 0.08 mm through insulation distance, conductor gap (internal clearance) to conductor, usually the direct distance between the photoemitter and photodetector inside the optocoupler cavity. tracking resistance cti 200 200 volts din iec 112/ vde 0303 part 1 (comparative tracking index) isolation group iiia iiia material group din vde 0110 option 300 C surface mount classification is class a in accordance with cecc 00802.
1-114 recommended operating conditions parameter symbol min. max. units power supply voltage (hcpl-2731/hcpl-0731) v cc 4.5 18 v power supply voltage (hcpl-2730/HCPL-0730) v cc 4.5 7 v forward input current (on) i f(on) 0.5 12 ma forward input voltage (off) v f(off) 0 0.8 v operating temperature t a 070 c
1-115 electrical specifications 0 c t a 70 c, 4.5 v v cc 18 v, 0.5 ma i f(on) 12 ma, 0 v v f(off) 0.8 v, unless otherwise specified. all typicals at t a = 25 c. (see note 8.) device parameter sym. hcpl- min. typ.* max. units test conditions fig. note current ctr 2731 400 1800 5000 % i f = 0.5 ma v cc = 4.5 2, 3 2 transfer 0731 v o = 0.4 v 500 1600 2600 i f = 1.6 ma 2730/0730 300 1600 2600 i f = 1.6 ma logic low v ol 2731 0.1 0.4 v i f = 1.6 ma, v cc = 4.5 v 1 output 0731 i o = 8 ma voltage 0.1 0.4 i f = 5.0 ma, i o = 15 ma 0.2 0.4 i f = 12 ma, i o = 24 ma 2730/0730 0.1 0.4 i f = 1.6 ma, i o = 4.8 ma logic high i oh 2731/0731 0.05 100 m av o = v cc = 18 v i f = 0 ma 2 output current 2730/0731 0.1 250 v o = v cc = 7 v logic low i ccl 2731/0731 1.2 3 ma v cc = 18 v i f1 = i f2 = 1.6 ma 5 supply v 01 = v 02 = open current 2730/0730 0.9 v cc = 7 v logic high i cch 2731/0731 0.005 20 m av cc = 18 v i f1 = i f2 = 0 ma, 5 supply v 01 = v 02 = open current 2730/0730 0.004 v cc = 7 v input v f 1.4 1.7 v t a = 25 c4 forward voltage 1.75 i f = 1.6 ma input bv r 5.0 v i r = 10 m a, t a = 25 c2 reverse breakdown voltage temperature d v f -1.8 mv/ ci f = 1.6 ma coefficient d t a of forward voltage input c in 60 pf f = 1 mhz, v f = 0 2 capacitance *all typical values at t a = 25 c and v cc = 5 v, unless otherwise noted. ratio
1-116 device parameter sym. hcpl- min. typ.* max. units test conditions fig. note propagation delay t phl 2731 25 100 m st a = 25 c 6, 7, 2 time to logic 0731 8, 9 low at output 120 i f = 0.5 ma rl = 4.7 k w 2730 5 20 t a = 25 c 2731 0730 0731 25 i f = 1.6 ma, rl = 2.2 k w 0.5 2 t a = 25 c 3i f = 12 ma, rl = 270 w propagation delay t plh 2731 10 60 m st a = 25 c 7, 8, 2 time to logic 0731 9 high at output 90 i f = 0.5 ma, rl = 4.7 k w 2730 10 35 t a = 25 c 2731 0730 0731 50 i f = 1.6 ma, rl = 2.2 k w 110 t a = 25 c 15 i f = 12 ma, rl = 270 w common mode |cm h | 1000 10000 v/ m si f = 0 ma, t a = 25 c, 10 2, 6, transient immunity rl = 2.2 k w 7 at logic high |v cm | = 10 v p-p output common mode |cm l 1000 10000 v/ m si f = 1.6 ma, t a = 25 c, transient immunity rl = 2.2 k w at logic low level |v cm | = 10 v p-p output *all typical values at t a = 25 c and v cc = 5 v, unless otherwise noted. switching specifications (ac) over recommended operating conditions (t a = 0 c to 70 c), v cc = 5 v, unless otherwise specified. (see note 8.)
1-117 package characteristics device parameter symbol hcpl- min. typ.* max. units test conditions fig. note input-output momentary v iso 2500 v rms rh 50%, 4, 9 withstand voltage** t = 1 min., option 020 2730 5000 4, 10 2731 resistance r i-o 10 12 w v i-o = 500 vdc 4 (input-output) rh 45% capacitance c i-o 0.6 pf f = 1 mhz 11 (input-output) input-input insulation i i-i 0.005 m a rh 45% 5 leakage current v i-i = 500 vdc input-input insulation r i-i 10 11 w 5 leakage current capacitance c i-i 2730 0.03 pf 5 (input-input) 2731 0730 0.25 0731 *all typical values at t a = 25 c unless otherwise noted. **the input-output momentary withstand voltage is a dielectric voltage rating that should not be interpreted as an input-output continuous voltage rating. for the continuous voltage rating refer to the vde 0884 insulation characteristics table (if appli- cable), your equipment level safety specification or hp application note 1074 entitled optocoupler input-output endurance voltage. notes: 1. pin 5 should be the most negative voltage at the detector side. 2. each channel. 3. dc current transfer ratio (ctr) is defined as the ratio of output collector current, i o , to the forward led input current, i f , times 100%. 4. device considered a two-terminal device: pins 1, 2, 3, and 4 shorted together, and pins 5, 6, 7, and 8 shorted together. 5. measured between pins 1 and 2 shorted together, and pins 3 and 4 shorted together. 6. common mode transient immunity in a logic high level is the maximum tolerable (positive) dv cm /dt of the t a = 25 c common mode pulse, 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 a logic low level is the maximum tolerable (negative) dv cm /dt of the common mode pulse, v cm , to assure that the output will remain in a logic low state (i.e., v o < 0.8 v). 7. in applications where dv/dt may exceed 50,000 v/ m s (such as static discharge) a series resistor, r cc , should be included to protect the detector ic from destructively high surge currents. the recommended value is r cc = 110 w . 8. use of a 0.1 m f bypass capacitor connected between pins 5 and 8 adjacent to the device is recommended. 9. in accordance with ul 1577, each optocoupler is proof tested by applying an insulation test voltage > 3000 v rms for 1 second (leakage detection current limit, i i-o < 5 m a). 10. in accordance with ul 1577, each optocoupler is proof tested by applying an insulation test voltage > 6000 v rms for 1 second (leakage detection current limit, i i-o < 5 m a). 11. measured between the led anode and cathode shorted together and pins 5 through 8 shorted together. 12. derate linearly above 65 c free-air temperature at a rate of 2.3 mw/ c for the so-8 package.
1-118 figure 7. propagation delay vs. temperature. figure 8. propagation delay vs. input diode forward current. figure 6. propagation delay to logic low vs. pulse period. figure 4. input diode forward current vs. forward voltage. figure 5. supply current per channel vs. input diode forward current. figure 1. dc transfer characteristics. figure 2. current transfer ratio vs. forward current. figure 3. output current vs. input diode forward current. 012 v o ?output voltage ?v i o ?output current ?ma 60 30 0 i f = 5.0 ma i f = 4.5 ma i f = 4.0 ma i f = 3.5 ma i f = 1.0 ma t a = 25?c v cc = 5.0 v i f = 0.5 ma i f = 1.5 ma i f = 2.0 ma i f = 2.5 ma i f = 3.0 ma i f ?forward current ?ma 2500 2000 1000 500 0.1 1.0 ctr ?current transfer ratio ?% 10 1500 0 v cc = 5.0 v v o = 0.4 v t a = 25?c t a = 0?c t a = 70?c t a = 85?c t a = -40?c i f ?input diode forward current ?ma 100 10 0.1 0.1 1 10 i o ?output current ?ma 1.0 t a = 85?c t a = 25?c t a = -40?c v cc = 5.0 v v o = 0.4 v i f ?input diode forward current ?ma 50 40 20 10 02 4 6 t p ?propagation delay ?? 10 8 30 0 60 v cc = 5 v t a = 25?c 70 t phl r l = 2.2 k w or 4.7 k w t plh r l = 4.7 k w t plh r l = 2.2 k w 050 t a e temperature e c t p e propagation delay e m s 18 0 10 20 30 40 60 70 80 90 6 9 12 15 21 24 27 30 33 36 hcpl-2731/0731 (i f = 0.5 ma, r l = 4.7 k w ) hcpl-2730/0730 (i f = 1.6 ma, r l = 2.2 k w ) t phl 3 t plh t plh t phl v f ?forward voltage ?v 100 10 0.1 0.01 1.1 1.2 1.3 1.4 i f ?forward current ?ma 1.6 1.5 1.0 0.001 1000 i f t = 25? a v f + i f ?input diode forward current ?ma 100 10 0.1 1.0 i cc (per channel) ?supply current ?ma 10 1.0 t a = 25?c 100 0.1 hcpl-2731 v cc = 18 v hcpl-2730 hcpl-2731 v cc = 7 v t ?input pulse period ?ms 100 10 0.01 0.1 t phl ?propagation delay to logic low ?? 1.0 1.0 t a = 25?c 10 0.1 hcpl-2731/0731 i f = 0.5 ma r l = 4.7 k w hcpl-2730/0730 hcpl-2731/0731 i f = 1.6 ma r l = 2.2 k w 0 v o i f v ol t phl t 50 ? 1.5 v 5 v
1-119 figure 10. test circuit for transient immunity and typical waveforms. figure 9. switching test circuit. v o pulse gen. z = 50 w t = 5 ns o r i monitor f i f 0.1? l r +5 v c = 15 pf l r m 7 5 6 8 2 3 4 1 1.5 v 5 v t phl o v i f ol v 0 5 v t plh 1.5 v ol v o v i f v o i f 0.1 ? l r +5 v a b pulse gen. v cm + v ff cc r (see note 7) 110 w o v 5 v ol v o v 10 v 0 v 10% 90% 90% 10% switch at a: i = 0 ma f switch at b: i = 1.6 ma f cm v t r t f t , t = 16 ns rf 7 5 6 8 2 3 4 1

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