optek technology inc. ? 1645 wallace drive, carrollton, texas 75006 phone: (972) 323-2200 or (800) 341-4747 fax: (972) 3 23-2396 sensors@optekinc .com www. optekinc.com issue c 11/2010 page 1 of 3 optek reserves the right to make changes at any time in or der to improve design and to s upply the best product possible. photologic? optically coupled isolator OPI125, opi126, opi127, opi127-032, opi128 applications: ? high voltage isolation between input and output ? electrical isolation in dirty environments ? industrial equipment ? medical equipment ? office equipment description: each OPI125 , opi126 , opi127, opi127-032 and opi128 consists of an optically coupled isolator with a gallium arsenide infrared emitting diode coupled to a monolithic integr ated circuit. this circuit incorporates a photodiode, a linear amplifier and a schmitt trigger on a single silicon ch ip. for maximum long-term stability, both the diode and the photologic? sensor are hermetically sealed in separat e packages and then mounted in a high dielectric plastic housing. these devices feature ttl/lsttl compatib le logic level output that can drive up to 8 ttl loads directly without additional circuitry. also featured are medium-speed data rates to 250 kbit/s , with typical rise and fall times of 70 nanoseconds. *ul recognition is for 15kv dc to 100 c. tx and txv processing is available. for more inform ation, contact your local representative or optek. features: ? four output options ? 15 kv input-to-output isolation voltage ? direct ttl/sttl interface ? high noise immunity product photo here rohs ordering information part number led peak wavelength sensor photologic? isolation voltage (,000) t plh / t phl typ (s) i f (ma) typ / max v ce (volts) max lead length / spacing * length OPI125 890 nm or 935 nm totem pole 15 5 / 5 7.5 / 25 35.0 0.40" / 0.75" 0.75? [19mm] opi126 open collector opi127 inverted totem pole opi127- 032 inverted totem pole 1.26? [32mm] opi128 inverted open collector 0.75? [19mm] ? data rates to 250 kbit/s ? hermetically sealed ? tx-txv process available ? ul file no. e 58730 * * see table pin # led pin # photologic? 1 anode 3 output 2 cathode 4 vcc 5 ground inches [millimeters] dimensions are in:
optek technology inc. ? 1645 wallace drive, carrollton, texas 75006 phone: (972) 323-2200 or (800) 341-4747 fax: (972) 3 23-2396 sensors@optekinc .com www. optekinc.com issue c 11/2010 page 2 of 3 optek reserves the right to make changes at any time in or der to improve design and to s upply the best product possible. photologic? optically coupled isolator OPI125, opi126, opi127, opi127-032, opi128 absolute maximum ratings ( t a = 25 o c unless otherwise noted) storage temperature -55 c to +100 c operating temperature -55 c to +100 c input-to-output isolation voltage (1)(2) 15 kvdc lead soldering temperature (1/16? (1.6 mm) from case for 5 seconds with soldering iron) (3) 260 c input diode forward dc current 25 ma reverse dc voltage 2 v power dissipation (4) 200 mw output photosensor output photologic? power dissipation (5) 120 mw/ c duration of output short to vcc or ground (OPI125, opi127) 1.00 second duration of output short to vcc (opi126, opi128) 1.00 second voltage at output lead (opi126, opi128) 35 v supply voltage, v cc (not to exceed 3 seconds) +10 v notes: (1) measured with input and output leads shorted. (2) ul recognition is for 3750 vac to 100 c. (3) rma flux is recommended. duration can be exten ded to 10 seconds maximum when flow soldering. (4) derate linearly 1.33 mw/ c above 25 c. (5) derate linearly 3.40 mw/ c above 25 c. OPI125 - totem pole output opi126 - open collector output opi128 - inverted open collector output opi127 - inverted totem pole output
optek technology inc. ? 1645 wallace drive, carrollton, texas 75006 phone: (972) 323-2200 or (800) 341-4747 fax: (972) 3 23-2396 sensors@optekinc .com www. optekinc.com issue c 11/2010 page 3 of 3 optek reserves the right to make changes at any time in or der to improve design and to s upply the best product possible. photologic? optically coupled isolator OPI125, opi126, opi127, opi127-032, opi128 electrical characteristics ( t a = -40 o c to +85 c unless otherwise noted) symbol parameter min typ max units test conditions diode input (see op130 and op230 for additional information - for reference only) v f forward voltage - - 1.5 v i f = 10 ma, t a = 25 c i r reverse current - - 100 a v r = 2 v, t a = 25 c i f (+) led positive-going threshold current - - 7.5 ma v cc = 5 v, t a = 25 c i f (+)/i f (-) hysteresis ratio - 2.0 - - - photologic? output (see op800 and op801 for additional information - for reference only) v cc operating supply voltage 45 - 5.5 v - i cc supply current - - 20 ma v cc = 5.5 v, i f = 0 or 7.5 ma v ol low level output voltage OPI125 opi126 opi127 opi128 - - - - - - - - 0.40 0.40 0.40 0.40 v v cc = 4.5 v, i ol = 13 ma, i f = 0 ma v cc = 4.5 v, i ol = 13 ma, i f = 0 ma v cc = 4.5 v, i ol = 13 ma, i f = 7.5 ma v cc = 4.5 v, i ol = 13 ma, i f = 7.5 ma v oh high level output voltage OPI125 opi127 2.4 2.4 - - - - v v cc = 4.5 v, i oh = -800 a, i f = 7.5 ma v cc = 4.5 v, i oh = -800 a, i f = 0 ma i os short circuit output current OPI125 opi127 -20 -20 - - -120 -120 ma v cc = 5.5 v, i f = 7.5ma, output = gnd v cc = 5.5 v, i f = 0 ma, output = gnd i oh high level output current opi126 opi128 - - - - 100 100 a v cc = 4.5 v, v oh = 30 v, i f = 7.5 ma v cc = 4.5 v, v oh = 30 v, i f = 0 ma t r , t f output rise time, output fall time OPI125, opi127 - 100 - ns v cc = 5 v, t a = 25 c, i f = 0 or 10 ma, f = 10 khz, d.c. = 50%, rl = 8 ttl loads output rise time, output fall time opi126, opi128 - 100 - v cc = 5 v, t a = 25 c, i f = 0 or 10 ma, f = 10 khz, d.c. = 50%, rl = 360 ? t plh , t phl propagation delay, low-high, high-low OPI125, opi127 - 5 - s v cc = 5 v, t a = 25 c, i f = 0 or 10 ma, f = 10 khz, d.c. = 50%, rl = 8 ttl loads propagation delay, low-high, high-low opi126, opi128 - 5 - v cc = 5 v, t a = 25 c, i f = 0 or 10 ma, f = 10 khz, d.c. = 50%, rl = 360 ? notes: (1) measured with input and output leads shorted in air with a ma ximum relative humidity of 50%. if suitably encapsulated or o il- imm e r sed, th e i so l a ti o n v o lt age i s in c r eased t o 2 5 kv minim u m.
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