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| Optoisolators (Photocouplers) CNZ3731, CNC7C501, CNZ3734 CNC2S501, CNC7C502, CNC7H501 Optoisolators Overview The CNZ3731 series of optoisolators consist of a GaAs infrared LED which is optically coupled with a Si NPN Darlington phototransistor, and housed in a small DIL package. The series provides high I/O isolation voltage and high collector/emitter isolation voltage, as well as a high current transfer ratio (CTR). This opto isolator series also includes the two-channel CNC7C501 and the fourchannel CNZ3734, and A type of these models with increased collector to emitter breakdown voltage (VCEO > 350V). CNZ3731/CNC2S501 LED Mark 4.580.3 1 2 7.620.3 6.20.5 3.850.3 2.0 5.2 max. 0.5 min. 4 3 4-0.50.1 4-1.20.15 2.540.25 15 Unit : mm 2.54 min. 0.25 -0 +0.15 0 to 15 0 to 1: Anode 2: Cathode 3: Emitter 4: Collector CNC7C501/CNC7C502 LED Mark 1 2 3 4 7.620.3 6.20.5 3.850.3 2.0 9.660.3 5.2 max. 0.5 min. 8 7 6 5 0.25 -0 +0.15 Unit : mm 2.54 min. Features High collector to emitter breakdown voltage : VCEO > 300 V, A type : VCEO > 350 V High current transfer ratio with Darlington phototransistor output : CTR = 4000% (typ.) High I/O isolation voltage : VISO 5000 Vrms Small DIL package for saving mounting space UL listed (UL File No. E79920) A-type models have a guaranteed internal insulating distance of 0.4 mm 0 5 to 1 0 5 to 1 1,3: Anodee 2,4: Cathode 5,7: Emitter 6,8: Collector CNZ3734/CNC7H501 LED Mark 1 2 3 4 5 6 7 8 7.620.3 6.20.5 3.850.3 2.0 5.2 max. 0.5 min. 16 15 14 13 12 11 10 9 0.25 -0 +0.15 Applications Telephone exchange FAX Programmable controllers Signal transfer between circuits with different potentials and impedances 19.820.5 Pin Connection CNZ3731 CNC2S501 1 4 CNZ3734 CNC7H501 1 16 0 5 to 1 1 , 3 , 5 , 7 : Anode 2 , 4 , 6 , 8 : Cathode 15 9,11,13,15: Emitter 0 to 10,12,14,16: Collector 2 3 Top View 2 3 15 14 CNC7C501 CNC7C502 1 8 4 5 13 12 2 3 7 6 6 7 11 10 4 5 Top View 8 9 Top View 16-0.50.1 16-1.20.15 2.540.25 Telephones 8-0.50.1 8-1.20.15 2.540.25 Unit : mm 2.54 min. 1 CNZ3731, CNC7C501, CNZ3734, CNC2S501, CNC7C502, CNC7H501 Absolute Maximum Ratings (Ta = 25C) Parameter Reverse voltage (DC) Forward current (DC) Input (Light emitting diode) Pulse forward current Power dissipation Collector current Output (Photo Collector to emitter voltage transistor) Emitter to collector voltage Collector power dissipation Total power dissipation Isolation voltage, input to output Operating ambient temperature Storage temperature *1 *2 *3 Optoisolators (Photocouplers) Symbol VR IF IFP*1 PD *2 Ratings CNZ3731 6 50 1 75 150 300 0.3 300 320 5000 -30 to +100 -55 to +125 150 200 300 320 5000 -30 to +100 -55 to +125 CNC7C501 CNZ3734 CNC2S501 6 50 1 75 150 350 0.3 CNC7C502 CNC7H501 Unit V mA A mW mA V V IC VCEO VECO PC *3 150 200 mW mW Vrms C C PT VISO *4 Topr Tstg *4 Pulse width 100 s, repeat 100 pps Input power derating ratio is 0.75 mW/C at Ta 25C. Output power derating ratio is 3.0 mW/C at Ta 25C (CNZ3731, CNC2S501). Output power derating ratio is 0.75 mW/C at Ta 25C (CNC7C501, CNC2S502, CNZ3734, CNC7H501). AC 1min., RH < 60 % Electrical Characteristics (Ta = 25C) Parameter Input Forward voltage (DC) characteristics Capacitance between pins Collector cutoff current Output characteristics Collector to emitter capacitance DC current transfer ratio Isolation capacitance, input to output Isolation resistance, input to output Transfer characteristics Rise time Fall time *1 DC Symbol IR VF Ct ICEO CC CTR*1 CISO RISO tr *2 Conditions VR = 3V IF = 50mA VR = 0V, f = 1MHz VCE = 200V VCE = 10V, f = 1MHz VCE = 2V, IF = 1mA f = 1MHz VISO = 500V VCC = 10V, IC = 10mA, Rt = 100 min typ 1.35 30 max 10 1.5 200 Unit A V pF nA pF % pF s s Reverse current (DC) 10 1000 1011 40 15 1.0 4000 0.7 tf*3 Collector to emitter saturation voltage VCE(sat) IF = 1mA, IC = 2mA current transfer ratio (CTR) is a ratio of output current against DC input current. IC x 100 (%) IF V CTR = *2 *3 tr : Time required for the collector current to increase from 10% to 90% of its final value tf : Time required for the collector current to decrease from 90% to 10% of its initial value 2 Optoisolators (Photocouplers) CNZ3731, CNC7C501, CNZ3734, CNC2S501, CNC7C502, CNC7H501 PD -- Ta 200 400 PC -- Ta 10 5 IFP -- DR IFP (mA) Pulse width 100s Ta = 25C PD (mW) PC (mW) 150 300 10 4 CNZ3731 CNC2S501 200 Allowable pulse forward current Collector power dissipation LED Power dissipation 100 10 3 50 100 CNC7C501/ CNC7C502 CNZ3734/ CNC7H501 10 2 0 - 30 0 25 50 75 100 125 0 - 30 0 25 50 75 100 125 10 10 -3 10 -2 10 -1 1 Ambient temperature Ta (C ) Ambient temperature Ta (C ) Duty ratio DR IF -- VF 60 Ta = 25C 50 160 Pc(max.) IC -- VCE 10 3 IF = 5mA Ta = 25C IC -- VCE(sat) Ta = 25C IF = 5mA IC (mA) IF (mA) IC (mA) 120 3mA 2mA 10 2 2mA 1mA 40 Collector current Collector current Forward current 30 80 1.5mA 10 0.5mA 20 1mA 40 1 10 0.5mA 0 0 0.4 0.8 1.2 1.6 2.0 2.4 0 0 2 4 6 8 10 -1 0 0.4 0.8 1.2 Forward voltage VF (V) Collector to emitter voltage VCE (V) Collector saturation voltage VCE(sat) (V) IC -- IF 10 3 VCE = 2V Ta = 25C 10 6 CTR -- IF 120 Relative CTR -- Ta Relative DC current transfer ratio CTR (%) VCE = 2V Ta = 25C IF = 1mA VCE = 2V 10 2 DC current transfer ratio CTR (%) IC (mA) 10 5 100 Collector current 10 10 4 80 1 10 3 60 10 -1 10 -1 1 10 10 2 10 2 10 -1 1 10 10 2 40 - 40 - 20 0 20 40 60 80 100 Forward current IF (mA) Forward current IF (mA) Ambient temperature Ta (C ) 3 CNZ3731, CNC7C501, CNZ3734, CNC2S501, CNC7C502, CNC7H501 Optoisolators (Photocouplers) VCE(sat) -- Ta 1.6 10 -5 IF = 1mA IC = 2mA 1.4 10 -6 ICEO -- Ta VCE = 200V ICEO -- VCE Ta = 25C Collector to emitter saturation voltage VCE(sat) (V) ICEO (A) 1.2 10 -7 Dark current Dark current 1.0 10 -8 ICEO (A) 10 -8 0.8 10 -9 10 -9 0.6 10 -10 0.4 - 40 - 20 0 20 40 60 80 100 10 -11 - 40 - 20 0 20 40 60 80 100 10 -10 10 10 -2 10 -3 Ambient temperature Ta (C ) Ambient temperature Ta (C ) Collector to emitter voltage VCE (V) Response time -- External load resistance characteristics 10 3 VCC = 10V IC = 10mA Ta = 25C tr Response time measurement circuit 10 2 Sig.IN tf td ts VCC V1 5ms Response time (s) 10 V1 50 V2 td tr ts tf 90% 10% 1 10 -1 10 -2 10 -1 1 10 External load resistance RL (k) Frequency characteristics 10 VCE = 4V Ta = 25C IC = 10mA ,,, , ,,, , RL = 10 RL Measurement circuit of frequency characteristics VCC AV (dB) 0 +10V 50k 16V 100F - Voltage gain ,, - 10 100 1k Sig.IN Sig.OUT 50 RL IC = 10mA 4mAp - p + - 20 50 5k ,,, 1 10 10 2 10 3 - 30 10 -1 Frequency f (kHz) 4 ,,, , |
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