Transmissive Photosensors (Photo Interrupters) ON1109 Photo Interrupter Unit : mm Mark for indicating LED side ø1.5 For contactless SW, object detection 2-C2.0±0.3 28.0±0.35 17.0±0.3 5.0±0.2 A Device center ,,,, 13.0±0.2 1.0±0.2 2-0.45±0.2 4.0 min. 3.0±0.2 A' (12.0) Features 7.0±0.2 Fast response : tr, tf = 6 µs (typ.) Small output current variation against change in temperature (2.54) SEC. A-A' 22.4±0.2 2 Highly precise position detection : 0.7 mm 3.0±0.3 2.0±0.2 Outline ON1109 is a photocoupler in which a high efficiency GaAs infrared light emitting diode is used as the light emitting element, and a high sensitivity phototransistor is used as the light detecting element. The two elements are arranged so as to face each other, and objects passing between them are detected. 1 3 2-ø3.2±0.2 2 4 Deep and wide gap between emitting and detecting elements 3 1 4 Pin connection (Note) ( ) Dimension is reference Absolute Maximum Ratings (Ta = 25˚C) Parameter Symbol Ratings Reverse voltage (DC) Input (Light Forward current (DC) emitting diode) Power dissipation Unit VR 3 V IF 50 mA PD*1 75 mW IC 20 mA Output (Photo Collector to emitter voltage VCEO transistor) Emitter to collector voltage VECO 30 V 5 V Collector power dissipation PC*2 100 mW Operating ambient temperature Topr –25 to +85 ˚C Storage temperature Tstg –30 to +100 ˚C Collector current Temperature *1 Input power derating ratio is 1.0 mW/˚C at Ta ≥ 25˚C. *2 Output power derating ratio is 1.34 mW/˚C at Ta ≥ 25˚C. Electrical Characteristics (Ta = 25˚C) Parameter Symbol Conditions typ max Unit 1.2 1.5 V VR = 3V 10 µA VCE = 10V 200 nA Forward voltage (DC) VF IF = 50mA IR Collector cutoff current ICEO Input characteristics Reverse current (DC) Output characteristics Collector to emitter capacitance CC VCE = 10V, f = 1MHz Collector current IC VCE = 10V, IF = 20mA Transfer Response time tr , tf* VCC = 10V, IC = 1mA, RL = 100Ω characteristics Collector to emitter saturation voltage VCE(sat) IF = 50mA, IC = 0.1mA * min 5 pF 0.3 mA µs 6 0.3 V Switching time measurement circuit Sig.IN VCC (Input pulse) Sig.OUT (Output pulse) RL ,, ,, 50Ω 90% 10% td tr tf td : Delay time tr : Rise time (Time required for the collector current to increase from 10% to 90% of its final value) tf : Fall time (Time required for the collector current to decrease from 90% to 10% of its initial value) 1 Transmissive Photosensors (Photo Interrupters) IF , IC — Ta IF — VF IC — IF 10 2 60 VCE = 10V Ta = 25˚C Ta = 25˚C IF 30 IC 20 30 20 10 1 10 –1 10 10 0 – 25 40 Collector current 40 IC (mA) 50 IF (mA) 50 Forward current IF , IC (mA) 60 Forward current, collector current ON1109 0 20 40 60 80 0 100 0 Ambient temperature Ta (˚C ) 0.4 0.8 1.2 1.6 2.0 10 –2 10 –1 2.4 Forward voltage VF (V) VF — Ta 1 IC — VCE IC — Ta 10 2 1.6 160 VCE = 10V IF = 20mA 0.8 0.4 20 40 60 80 10mA 1 10 –1 10 –2 10 –1 100 IC (%) 20mA Ambient temperature Ta (˚C ) 1 ICEO — Ta tr (µs) Rise time ICEO (µA) Dark current 10 –1 10V RL = 1kΩ 500Ω 10 100Ω 1 Sig.IN VCC V1 50Ω Sig. V1 OUT V2 V2 RL 20 40 60 80 Ambient temperature Ta (˚C ) 2 100 tr , ,, 10 –3 10 –1 10 –2 10 –1 40 60 80 100 100 VCC = 10V Ta = 25˚C 10 2 0 20 IC — d 1 10 –4 – 40 – 20 0 Ambient temperature Ta (˚C ) tr — IC 10 3 VCE = 24V 40 Collector to emitter voltage VCE (V) 10 10 –2 80 0 – 40 – 20 10 2 10 120 td 90% 10% VCE = 10V Ta = 25˚C IF = 20mA IC (%) 0 IF = 30mA 80 Relative output current 0 – 40 – 20 10 Relative output current 10mA IC (mA) IF = 50mA Collector current Forward voltage VF (V) Ta = 25˚C 1.2 10 2 10 Forward current IF (mA) 60 Criterion 0 d 40 20 tf 1 Collector current IC (mA) 10 0 0 1 2 3 4 Distance d (mm) 5 6