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Optoisolators (Photocouplers)
CNZ3731, CNC7C501, CNZ3734, CNC2S501, CNC7C502, CNC7H501 (ON3731, ON3732, ON3734, ON3731A, ON3732A, ON3734A)
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 5.2 max. 0.5 min. 4 3
Unit : mm
2.54 min.
4.580.3
1 2 7.620.3 6.20.5
3.850.3 2.0
0 to
15
0 to
15
1: Anode 2: Cathode 3: Emitter 4: Collector
CNC7C501/CNC7C502
LED Mark 1 2 3 4 7.620.3 6.20.5 5.2 max. 0.5 min. 8 7 6 5
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
9.660.3
3.850.3 2.0
0.25 -0
+0.15
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 5.2 max. 0.5 min. 16 15 14 13 12 11 10 9
Applications
Telephones FAX Programmable controllers Signal transfer between circuits with different potentials and impedances Telephone exchange
3.850.3 2.0
Pin Connection
CNZ3731 CNC2S501
1 4
CNZ3734 CNC7H501
1 16
0
5 to 1
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
Note) The part numbers in the parenthesis show conventional part number.
0.25 -0
+0.15
1 , 3 , 5 , 7 : Anode 2 , 4 , 6 , 8 : Cathode 15 9,11,13,15: Emitter 0 to 10,12,14,16: Collector
16-0.50.1 16-1.20.15 2.540.25
19.820.5
8-0.50.1 8-1.20.15 2.540.25
4-0.50.1 4-1.20.15 2.540.25
0.25 -0
+0.15
Unit : mm
2.54 min.
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 PT VISO*4 Topr Tstg
150 200
mW mW Vrms C C
*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 -- V F
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 -- I F
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
;;; ;
Caution for Safety
Gallium arsenide material (GaAs) is used in this product.
DANGER
Therefore, do not burn, destroy, cut, crush, or chemically decompose the product, since gallium arsenide material in powder or vapor form is harmful to human health. Observe the relevant laws and regulations when disposing of the products. Do not mix them with ordinary industrial waste or household refuse when disposing of GaAs-containing products.
Request for your special attention and precautions in using the technical information and semiconductors described in this material
(1) An export permit needs to be obtained from the competent authorities of the Japanese Government if any of the products or technologies described in this material and controlled under the "Foreign Exchange and Foreign Trade Law" is to be exported or taken out of Japan. (2) The technical information described in this material is limited to showing representative characteristics and applied circuit examples of the products. It does not constitute the warranting of industrial property, the granting of relative rights, or the granting of any license. (3) The products described in this material are intended to be used for standard applications or general electronic equipment (such as office equipment, communications equipment, measuring instruments and household appliances). Consult our sales staff in advance for information on the following applications: * Special applications (such as for airplanes, aerospace, automobiles, traffic control equipment, combustion equipment, life support systems and safety devices) in which exceptional quality and reliability are required, or if the failure or malfunction of the products may directly jeopardize life or harm the human body. * Any applications other than the standard applications intended. (4) The products and product specifications described in this material are subject to change without notice for reasons of modification and/or improvement. At the final stage of your design, purchasing, or use of the products, therefore, ask for the most up-to-date Product Standards in advance to make sure that the latest specifications satisfy your requirements. (5) When designing your equipment, comply with the guaranteed values, in particular those of maximum rating, the range of operating power supply voltage and heat radiation characteristics. Otherwise, we will not be liable for any defect which may arise later in your equipment. Even when the products are used within the guaranteed values, redundant design is recommended, so that such equipment may not violate relevant laws or regulations because of the function of our products. (6) When using products for which dry packing is required, observe the conditions (including shelf life and afterunpacking standby time) agreed upon when specification sheets are individually exchanged. (7) No part of this material may be reprinted or reproduced by any means without written permission from our company.
Please read the following notes before using the datasheets
A. These materials are intended as a reference to assist customers with the selection of Panasonic semiconductor products best suited to their applications. Due to modification or other reasons, any information contained in this material, such as available product types, technical data, and so on, is subject to change without notice. Customers are advised to contact our semiconductor sales office and obtain the latest information before starting precise technical research and/or purchasing activities. B. Panasonic is endeavoring to continually improve the quality and reliability of these materials but there is always the possibility that further rectifications will be required in the future. Therefore, Panasonic will not assume any liability for any damages arising from any errors etc. that may appear in this material. C. These materials are solely intended for a customer's individual use. Therefore, without the prior written approval of Panasonic, any other use such as reproducing, selling, or distributing this material to a third party, via the Internet or in any other way, is prohibited. 2001 MAR

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