isocom components ltd unit 25b, park view road west, park view industrial estate, brenda road hartlepool, cleveland, ts25 1yd tel: (01429) 863609 fax :(01429) 863581 isocom inc 720 e., park boulevard, suite 104, plano, tx 75074 usa tel: (972) 423-5521 fax: (972) 422-4549 3/10/97 db91085-aas/a2 iso - logic inverter schmitt trigger interrupter switch h21l1, H21L2 h22l1, h22l2 optical centre line 12.7 e 3.0 1 2 5 4 9.0 8.0 11.1 10.5 0.45 0.40 7.62 6.6 3.3 3.0 2.8 2.54 dimensions in mm 3 1 2 pin 5 g nd pin 3 v cc pin 4 v o optic al centre line 12.7 e 3.0 1 2 5 4 9.0 8.0 11.1 10.5 0.45 0.40 7.62 6.6 3.3 3.0 2.8 2.54 3 1 2 pin 3 v cc pin 4 v o 25.7 24.1 19.05 pin 5 g nd h22l1 h22l2 h21l1 H21L2 voltage regulator 4 out 3 v cc 5 g nd amp 1 2 description the h21l_ and h22l_ series of transmissive photointerrupters are single channel switches consisting of a gallium arsenide infrared emitting diode coupled to a high speed integrated circuit detector. the output incorporates a schmitt trigger which provides hysteresis for noise immunity and pulse shaping. the gap in the plastic housing provides a means of interrupting the signal with an opaque material, switching the output from an 'on' into an 'off' state. features l built in schmitt trigger circuit l open collector output l high sensitivity l 3mm gap between led and detector l 1mm aperture over led and detector applications l floppy disk drives, copiers, printers, facsimilies, vcr's, cassette tape recorders, automatic vending machines
db91085-aas/a2 parameter min typ max units test condition input forward voltage (v f ) 1.1 1.6 v i f = 20ma reverse voltage (v r )6vi r = 10 m a reverse current (i r )10 m av r = 3v detector operating voltage range v cc 415v low level supply current i ccl 1.6 5 ma v cc = 5v, i f = 20ma high level supply current i cch 1.0 5 ma v cc = 5v, i f = 0ma low level output voltage v ol 0.4 v v cc = 5v, i f = 30ma r l = 270 w high level output current i oh 100 m av cc = 15v, i f = 0ma v o = 15v turn-on threshold current i f ( on ) h21l1, h22l1 30 ma v cc = 5v, r l = 270 w H21L2, h22l2 15 ma v cc = 5v, r l = 270 w turn-off threshold current i f ( off ) h21l1, h22l1 0.5 ma v cc = 5v, r l = 270 w H21L2, h22l2 0.5 ma v cc = 5v, r l = 270 w hysteresis ratio i f ( off ) / i f ( on ) 0.5 0.9 v cc = 5v, r l = 270 w rise time tr 0.1 m sv cc = 5v i f = 20ma fall time tf 0.05 m sr l = 270 w note 1 special selections are available on request. please consult the factory. 3/10/97 electrical characteristics ( t a = 25c unless otherwise noted ) absolute maximum ratings (25 c unless otherwise specified) storage temperature -40c to +85c operating temperature -25c to +85c lead soldering temperature 260c (5 secs maximum) infrared emitting diode power dissipation 75 mw forward current ( continuous ) 50 ma forward current ( peak ) 1 a (pulse width 100 m s, duty ratio = 0.01) reverse voltage 6v photo detector power dissipation 250 mw output current 50ma allowed range v 35 0 to 35v allowed range v 45 0 to 40v
db91085-aas/a2 3/10/97 50 -25 0 25 50 75 100 125 ambient temperature t a ( c ) 0 300 collector power dissipation p c (mw) collector power dissipation vs. ambient temperature 0 1.0 2.0 3.0 v cc = 5v ambient temperature t a ( c ) -25 0 25 50 75 100 -25 0 25 50 75 100 ambient temperature t a ( c ) low level output voltage v ol ( v ) low level output voltage vs. ambient temperature 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 1 low level output voltage v ol ( v ) low level output voltage vs. low level output current low level output current i ol ( ma ) 0.1 0.01 0.02 0.2 0.5 supply current vs. ambient temperature supply current i cc (ma) v cc = 5v i f = 30ma t a = 25c 0.1 0.2 0.5 1 2 5 10 0 0.1 0.2 0.3 0.4 rise time, fall time tr, tf ( m s) rise time, fall time vs. load resistance load resistance r l ( k w) 0.5 ambient temperature t a ( c ) 60 30 20 10 0 40 50 -25 0 25 50 75 100 125 forward current vs. ambient temperature forward current i f (ma) 100 150 200 250 1 10 50 100 0.05 v cc = 5v i f = 30ma t a = 25c 0.6 i cch i ccl v cc = 5v i f = 30ma i ol = 30ma 5ma 16ma tf tr
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