SIEMENS SINGLE CHANNEL 1L74 DUAL CHANNEL ILD74 QUAD CHANNEL ILQ74 PHOTOTRANSISTOR OPTOCOUPLER FEATURES Package Dimensions in Inchas (mm) 7400 Serles T7L Compatible 1L74 (Single Channel) * Transter Ratlo, 35% Typical * Coupling Capacitance, 0.5 pF Si 55 - upling Capacitance P| ; Pin One ID Anode Lslease Ingle, Dual, & Quad Channel 248 (6.30) 4 ry * Industry Standard DIP Package 256 (6.50) Cathode [Ey [by Pecoterto * Underwriters Lab File #52744 Wl nc Hy] [AE mitter 4 VDE Approvals #0884 (Optional with WEL SC Option 1, Add -X001 Suftix) 23, _ aoe min. . DESCRIPTION . The |L74 is an optically coupled pair with a op. "710(2.79) Gallium Arsenide infrared LED and a silicon NPN crstoan | 15g (384) phototransistor. Signal information, including a OC pe ise hp lavel, can be transmitted by the device while Sar tees a maintaining a high degree of electrical isolation 82) gk between input and output. The IL74 is especially g8 2 designed for driving medium-speed logic, where it 8s may be used to eliminate troublesome gound loop ILD74 {Dual Channet) = and noise problems. Also it can be used to Oy Bp dy fo Pin One LO. replace relays and transformers in many digital F a Anode ne a Emitter interface applications, as well as analog applica- 255 (6.48) Cathode [2] [7 } Collector tions such as CRT modulation. 266 (6.61) Calhode [3 [ ) Collector The ILO74 has two isciated channels in a single ao Mer gy ler Anoge aa] Emit DIP package; the ILQ74 has four isolated chan- 379 (9.63) PE] Frater nels per package. 390 (8.91) 0300.76} 130 (3.30) ~| 045 (1.14) 150 (3.81) a Typ. 9 rt (202) eg 135 (3.4 018.40 owt A 100 (2.54) Typ. O42 (30) ILQ74 (Quad Channel} , Anode ory aa Emitter One Cathode 2}-T S178 Coltectar Agyatgyes oY Cathoda a K pacoen os6 (6.48 Anode {7 ~. SZ Emitter Fe at, Anode [Fy Ee Emitter t TOSS S I Cathoda (EL Kf) collector F79119.77) Cathode [7] . Ke Collector 790 (20.07) Anode [B] 13) Emitter .030 (76) 5 | fe-.045 (1.14) 10 {3.98} ae. 150 (3.81) Lye joy oy I 1p. 1 Ura as eo bea ~ 0301.76) asf Typ. 135 (3.43) 018 (26) 040 (1.02) ~ Coa (203 ot 022 (56) 100 (2.54) Typ. 012 (30) 5-73 Maximum Ratings Emitter (each channel) Peak Reverse Voltage oo. Continuous Forward Gurreant 0. ieee 60 mA Power Dissipationat 25C .. . 100 mW Darate Linearly from 25C .... . 1.33 mW Detector (each channel) Collector-Emitter Breakdown Voltage ... Emitter-Base Breakdown Voltage .......... Collector-Base Breakdown Voltage .. Power Dissipation at 25C .........., Derate Linearly from 25C... Package Isclation Test Voltage (l=1 $@C.) 300 VACaws Isolation Resistance Vig=500 V, Ta=25C .... . 210" 0 Vip=500 V, Ty=100C .. . . 2g Totai Package Dissipation at 25C Ambient (LED Plus Detector) . 200 mv ILD74 400 mw IL74Q .. feet e at ecenteeeescnnenae . 500 mw Derate Linearly from 26C IL74 vue 2.7 mW ILD74 5.93 mw LO?4 ... 6.67 mWweC Creepage . 7 mm min. Clearance .. 7mm min. Storage Temperature ..... ~55C ta + 150C Operating Temperature ... ~55C to + 100C Lead Soldering Time at 260C 0.0... 4 . 10 sec. Electrical Characteristics (T,=25C) Symbol Min. Typ. Max. Unit Emitter Forward Voltage Ve 13 16 Vv Reverse Currant la 01 100A Capacilance Co 25 pF Detector Collector-Emitter Breakdown Voltage BVceg = 20 50 v Coliector-Ermitter Leakage Current Iceo 5.0 500 nA Coltactor-Emitter Capacitance Cee 10.0 pF Package DC Current Transfer Ratio CTRy, 12.5 35 % Collector-Emittar Saturation Voltage Vecea 03 O85 Vv Resistance, Input to Output Rio 100 Ga Capacitance, Input to Output Co 05 pF Switching Times lon: lore 30 us Condition Ip=20 MA Vqr3.0V Vqz0 Ic=1 mA Vee=5 V, Ips Voe=0, F=1 MHz p= 16 mA, Vop=5 V Igz2 mA, p=16 mA, Ag=100 12, Vop=10V, lo=? mA IL74ALO74ALQ74 Figure 1. Forward voltage versus forward Figure 2. Normalized non-saturated and current saturated CTR at T,=25C versus LED current 14 15 , Nommalizedjto: > 13 a= -56C F Voe = 10V)IF = 10mA 12 Ta = 25C i i. Ta = 25C gio [ CTRER{saH] Vee =A 1. Bio $ 0.5 5 08 cf 2 |NCTRISAT a 08 E NCTR re z ~ 07 oof a JA 1 10 100 JA 10 100 IF - Forward Current - mA IF - Len Current - mA Figure 3. Normallzed non-saturated and Figure 4. Normalized non-saturated and saturated CTR at T,=50C versus LEO current saturated CTR at Ty=70C versus LED current 150 Normalized to: 1.5 [-Nommalizediio. Vee = TOV IF = 10mA L Ta = 25C a 1 | CTRea(sat) YY ce = 0.4 05 Lome ; oO" Ta=oc y, NCTR(SAT) | Voce = 10V, IF = 10mA, Tal= 28C CTRca(sat}IVce = 0.4V o = o a . ! Ta = 50C tn A NCTR(SAT ) Optocouplers {Optoisolators} o7) NCTR - Normalized CTR CTR - Normalized CTA + NCTR + INCTR 0.0 pe an 0.0 aero pe ae t 1 10 +00 A 1 10 100 F- LED Current -mA IF - LED Current - mA Figure 5. Normalized non-saturated and Figure 6. Collector-emitter current versus saturated CTR at T,=85C versus LED current temperature and LED current 16 E Normatizedfo | 36 o Vee = 10V,}F = 10mA, Ta = 25C E 30 z 10 CTRee(saty Vce = 0.4V a w= 25 : Wa E 20 3 Ld 45 , 05 oI 3 10 Ta = 85C z F e NCTR(SAT) 6 5 =z 00 - ~_ NC TR 8 0 A 10 100 = o 1 2 30 40 50 6 IF Leo Current - mA iF-LED Current -mA IL74ALD74/ILO74 5-75 iceo - Collector-Emitter - nA ieb - Collector Base Photocurrent - pA NHFE - Normalized HFE Figure 7. Collector-emitter leakage current versus temperature 10 104 109 10? 10! 10 1o7! 10"n0.~2~0~C~:*<CtSC<a SSC Ta- Ambient Temperature - C 100 Figure 9. Collector base photocurrent versus LED current 1000 Ta = 26C Icb = 1.0357 IF 41,3631 va a va -t 1 10 IF - LED Currant - mA att a 100 = = a o = 100 Figure 11. Normalized non-saturated HFE versus base current and temperature 12 Normalized to: Ib = 2OuA 1.0 Voa=10 Ta = 25C 0.8 0.6 o4 1 10 100 Ib - Base Currant - pA 1000 Figure 13. Propagation delay veraue collector load resistor NCTReb - Normalized CTAcb Normatized Photocurrent NHFE(sat) - Normalized Saturated HFE Figure &. Normalized CTRcb versus LED current and temperature 15 7 Normalized to: IF =10 mA 10 Neb = 93V _ a = 25C _ Lo os A Oo 25C Fie 50C oy 70C 0.0 1 10 100 IF - LED Current- mA Figure 10. Normalized photocurrent versus It and temperature 10 to Ta =25C If=1 1 J 1 Wt-LED Current-r Figure 12. Normalized saturated HFE versus base current and temperature 15 [ T L Normalized to: . Vea = 10V 10 70C_- 50C Io=20pA _| bege Ta = 25C 20C Q 05 T Vee = 0.4V Pe oo L reer 10 100 1000 Ib - Base Current - (iA) Figure 14, Propagation delay veraus collector load reslator 1000 E Ta = 25C, IF = 10m ] 25 1000 Eta = 26C, IF = 10m ] 25 4 r Veo =6V,Vih=1.5 1 2 4 Veo=5V, Vih=1.5 A tpHL wa toHL a i jae boo i 20 i 5 100 ma 20 E XY aA 4 = XY aA i 10 wo 4 15 ; 10 ae J 15 F tpl ] : E tpLH ] r 4 = ' 4 2, Cow wl io a, vo ul io a 1 19 100 a 1 10 100 FAL - Collector Load Resistor KQ RL+ Collector Load Realstor- Ki) IL74ILD74fiLOFa