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PRELIMINARY DATA SHEET
PHTOCOUPLER
PS8741
FOR OPTICAL DAA, HIGH LINEAR 16-PIN SOP PHOTOCOUPLER
-NEPOC
TM
Series-
DESCRIPTION
The PS8741 is an optically coupled isolator containing a GaAs LED on the light emitting side (input side) and two photodiodes on the output side. It is suitable for analog control applications such as PCMCIA card, modem, voice telephony and fax machines.
FEATURES
* For PCMCIA * Small and thin package (16-pin SOP: 255 mil, Pin pitch = 1.27 mm, Height = 2.1 mm) * High transfer gain linearity (K3 = 1 % MAX.) * High isolation voltage (BV = 1 500 Vr.m.s.) * Ordering number of taping product: PS8741-F3, F4
APPLICATIONS
* PCMCIA card * Notebook PC, PDA * Modem * Telephone, FAX
The information in this document is subject to change without notice. Before using this document, please confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for availability and additional information.
Document No. P13666EJ1V0DS00 (1st edition) Date Published June 1999 NS CP(K) Printed in Japan
(c)
1998, 1999
PS8741
PACKAGE DIMENSIONS
in millimeters
10.30.3
PIN CONNECTIONS (TOP VIEW)
16 15 14 13 12 11 10 9 K2 LED1 K1 1 2 K1 LED2
PD2 PD1 3 4
PD1
K2 PD2 5 6 7 8
1. LED1 Cathode (CH1) 2. LED1 Anode (CH1) 3. PD1 Cathode (CH1) 4. PD1 Anode (CH1) 5. NC 6. NC 7. PD2 Cathode (CH2) 8. PD2 Anode (CH2)
9. PD1 Anode (CH2) 10. PD1 Cathode (CH2) 11. LED2 Anode (CH2) 12. LED2 Cathode (CH2) 13. PD2 Anode (CH1) 14. PD2 Cathode (CH1) 15. NC 16. NC 7.00.3 4.4 1.3
2.0+0.1 -0.2
0.10.1
0.15+0.10 -0.05
1.9
0.40+0.10 -0.05
0.12 M
1.27
0.50.3
2
Preliminary Data Sheet P13666EJ1V0DS00
PS8741
ABSOLUTE MAXIMUM RATINGS (TA = 25 C, unless otherwise specified)
Parameter Diode Forward Current (DC) Reverse Voltage Power Dissipation Peak Forward Current Detector Reverse Voltage Power Dissipation Isolation Voltage
*2 *1
Symbol IF VR PD IFP VR PC BV PT TA Tstg
Ratings 50 3 80 0.5 20 50 1 500 180 -40 to +85 -40 to +100
Unit mA V mW/ch A V mW/ch Vr.m.s. mW C C
Total Power Dissipation Operating Ambient Temperature Storage Temperature
*1 PW = 100 s, Duty Cycle = 1 % *2 AC voltage for 1 minute at TA = 25 C, RH = 60 % between input and output
ELECTRICAL CHARACTERISTICS (TA = 25 C)
Parameter Diode Forward Voltage Reverse Current Terminal Capacitance Detector Coupled Dark Current Servo Gain (IPD1/IF) Forward Gain (IPD2/IF) Transfer Gain (K2/K1) Transfer Gain Linearity K3 Temperature Coefficient Symbol VF IR Ct ID K1 K2 K3 VCC = 5 V, IF = 2 mA VCC = 5 V, IF = 2 to 10 mA VCC = 5 V, IF = 2 to 10 mA IF = 5 mA VR = 3 V V = 0 V, f = 1 MHz VCC = 5 V, IF = 0 mA VCC = 5 V, IF = 2 mA 0.3 0.3 0.75 30 1 1.0 1.0 1.0 0.3 0.005 25 1.8 1.8 1.25 1 % %/C Conditions MIN. TYP. 1.1 MAX. 1.4 10 Unit V
A
pF nA %
K3 K3/T
Preliminary Data Sheet P13666EJ1V0DS00
3
PS8741
APPLICATION EXAMPLES
VCC
+ LED1 VIN - VCC
PD1
PD2
- VOUT + VCC
LED2 VCC
+ PD2 VOUT - + PD1 - VIN
4
Preliminary Data Sheet P13666EJ1V0DS00
PS8741
USAGE CAUTIONS
1. Since this product is sensitive to electro-static discharge, take anti-ESD measures, such as using a wrist strap, while handling it. 2. Recommended Soldering Conditions (1) Handling (Soldering iron) * Temperature * Time * Flux 260 C or below 5 seconds or less Rosin flux containing small amount of chlorine (The flux with a maximum chlorine content of 0.2 Wt % is recommended.) (2) Infrared reflow soldering * Peak reflow temperature * Time of temperature higher than 210 C * Preheating conditions * Number of reflows * Flux 3. Fluxes Avoid removing the residual flux with freon-based and chlorine-based cleaning solvent. 235 C (Package surface temperature) 30 seconds or less 120 to 160 C (Package surface temperature), 60 to 90 seconds One Rosin flux containing small amount of chlorine (The flux with a maximum chlorine content of 0.2 Wt % is recommended.)
* Leave more than 1.0 mm from the lead roof
Preliminary Data Sheet P13666EJ1V0DS00
5
PS8741
[MEMO]
6
Preliminary Data Sheet P13666EJ1V0DS00
PS8741
[MEMO]
Preliminary Data Sheet P13666EJ1V0DS00
7
PS8741
CAUTION
Within this device there exists GaAs (Gallium Arsenide) material which is a harmful substance if ingested. Please do not under any circumstances break the hermetic seal.
NEPOC is a trademark of NEC Corporation.
* The information in this document is subject to change without notice. Before using this document, please confirm that this is the latest version. * No part of this document may be copied or reproduced in any form or by any means without the prior written consent of NEC Corporation. NEC Corporation assumes no responsibility for any errors which may appear in this document. * NEC Corporation does not assume any liability for infringement of patents, copyrights or other intellectual property rights of third parties by or arising from use of a device described herein or any other liability arising from use of such device. No license, either express, implied or otherwise, is granted under any patents, copyrights or other intellectual property rights of NEC Corporation or others. * Descriptions of circuits, software, and other related information in this document are provided for illustrative purposes in semiconductor product operation and application examples. The incorporation of these circuits, software, and information in the design of the customer's equipment shall be done under the full responsibility of the customer. NEC Corporation assumes no responsibility for any losses incurred by the customer or third parties arising from the use of these circuits, software, and information. * While NEC Corporation has been making continuous effort to enhance the reliability of its semiconductor devices, the possibility of defects cannot be eliminated entirely. To minimize risks of damage or injury to persons or property arising from a defect in an NEC semiconductor device, customers must incorporate sufficient safety measures in its design, such as redundancy, fire-containment, and anti-failure features. * NEC devices are classified into the following three quality grades: "Standard", "Special", and "Specific". The Specific quality grade applies only to devices developed based on a customer designated "quality assurance program" for a specific application. The recommended applications of a device depend on its quality grade, as indicated below. Customers must check the quality grade of each device before using it in a particular application. Standard: Computers, office equipment, communications equipment, test and measurement equipment, audio and visual equipment, home electronic appliances, machine tools, personal electronic equipment and industrial robots Special: Transportation equipment (automobiles, trains, ships, etc.), traffic control systems, anti-disaster systems, anti-crime systems, safety equipment and medical equipment (not specifically designed for life support) Specific: Aircraft, aerospace equipment, submersible repeaters, nuclear reactor control systems, life support systems or medical equipment for life support, etc. The quality grade of NEC devices is "Standard" unless otherwise specified in NEC's Data Sheets or Data Books. If customers intend to use NEC devices for applications other than those specified for Standard quality grade, they should contact an NEC sales representative in advance.
M7 98. 8

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