Electronics TOTX193 handbook
Contents
1. off when it is low level Note 3 All Plastic Fiber 980 1000 um Note 4 Between input of TOTX193 and output of a fiber optic receiving module TORX193 Note 5 Measure with a standard optical fiber with fiber optic connectors Valued by peak 2 2001 08 10 TOSHIBA TOTX193 4 Example of Typical Characteristics Note 6 Variation of fiber output power dB o Variation of Pulse width distortion ns Pulse width distortion ns Pf Supply voltage Atw Supply voltage Peak value Ta 25 C Pulse width 165 ns Pulse cycle 330 ns TORX193 4 75 5 0 5 25 4 75 5 0 5 25 Supply voltage V Supply voltage V Pulse width distortion Received optic power Ta 25 C Vec 5V Pulse width 165 ns Pulse cycle 330 ns Fiber length 2m H TORX193 CL 10 pF 30 28 26 24 22 20 18 16 14 12 Received optic power dBm Note 6 There give characteristic examples and its values are not guaranteed 3 2001 08 10 TOSHIBA TOTX193 Pf Ambient temperature Veco 5V Peak value Variation of fiber output power dB 40 20 0 25 50 70 85 100 Ambient temperature C Atw Ambient temperature Veco 5V Pulse width 165 ns Pulse cycle 330 ns TORX193 Variation of Pulse width distortion ns 40 20 0 25 50 70 85 100 Ambient temperature C Note 6 There give characteristic examples and its values are not guaranteed 4 2001 08 10 TOSHIBA TOTX1932. only as a guide for the applications of our products No responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third parties which may result from its use No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others e The information contained herein is subject to change without notice 7 2001 08 10 WWW ALLDATASHEET COM Copyright Each Manufacturing Company All Datasheets cannot be modified without permission T his datasheet has been download from www AllDataSheet com 100 Free DataSheet Search Site Free Download No Register Fast Search System www AlIDataSheet com file C Documents and Settings seektime HEt S H 111 html2006 01 18 2S 5 28 50
3. operating ranges as set forth in the most recent TOSHIBA products specifications Also please keep in mind the precautions and conditions set forth in the Handling Guide for Semiconductor Devices or TOSHIBA Semiconductor Reliability Handbook etc The TOSHIBA products listed in this document are intended for usage in general electronics applications computer personal equipment office equipment measuring equipment industrial robotics domestic appliances etc These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and or reliability or a malfunction or failure of which may cause loss of human life or bodily injury Unintended Usage Unintended Usage include atomic energy control instruments airplane or spaceship instruments transportation instruments traffic signal instruments combustion control instruments medical instruments all types of safety devices etc Unintended Usage of TOSHIBA products listed in this document shall be made at the customer s own risk Gallium arsenide GaAs is a substance used in the products described in this document GaAs dust and fumes are toxic Do not break cut or pulverize the product or use chemicals to dissolve them When disposing of the products follow the appropriate regulations Do not dispose of the products with other industrial waste or with domestic garbage The information contained herein is presented
4. 5 Application Circuit Fiber Optic Connector Insertion Side Fiber Optic Tranamittin Module g fs Soldered to PC board Soldered to PC board Q Q Q Input Vcc GND Bottom View 6 Precautions during use 1 2 3 4 5 6 7 Maximum rating The maximum ratings are the limit values which must not be exceeded when using the device Any one of the rating must not be exceeded If The maximum rating is exceeded the characteristics may not be recovered In some extreme cases the device may be permanently damage Life of light emitters When the optical module is used for over a long period degeneration of characteristics is mostly due to lowering of the fiber output power Pf This is caused by the degradation of the optical output of the LED s used as the light source The cause of degradation of the optical output of the LED s may be defects in wafer crystallization or mold resin stress The detailed causes are however not clear The life of light emitters is greatly influenced by operating conditions and usage environment as well as the life characteristics unique to the device Thus when selecting a light emitter and setting the operating conditions Toshiba recommends that you check the life characteristics Depending on the environment conditions Toshiba recommends maintenance such as regular checks on the amount of optical output Soldering Optical modules use semiconductor de
5. ATOTXA TOTX193 FIBER OPTIC TRANSMITTING MODULE TOTX193 FIBER OPTIC TRANSMITTING Unit mm MODULE FOR DIGITAL AUDIO EQUIPMENT AND NAVIGATION SYSTEM a Conform to JEITA standard CP 1201 For Digital audio interfaces including fiber optic inter connections TTL interface LED is driven by differential circuit Pin connection GND Current limiting resistor of LED Vcc Input N C N C 1 Maximum Ratings Ta 25 C Storage Temperature 40 to 85 Operating Temperature 40 to 85 Input Voltage 0 5 to Vcc 0 5 Soldering Temperature 260 Note 1 Note 1 Soldering time lt 10 s More than 1 mm apart from the package Handling precaution The LEDs used in this product contain GaAs Gallium Arsenide Care must be taken to protect the safety of people and the environment when scrapping or terminal processing 1 2001 08 10 TOSHIBA TOTX193 2 Recommended Operating Conditions Characteristics 3 Electrical and Optical Characteristics Ta 25 C Vcc 5 V Characteristics Symbol Test Condition Pulse width 165 ns Pulse Width Distortion Pulse cycle 330 ns CL 10 pF 25 25 ns Using TORX193 Fiber Output Power APF 1m R 8 2 kQ Note 5 21 15 dBm 660 om Peak Emission Wavelength Low Level Input Current Note 2 For data rate gt 3 Mb s the duty factor must be such as kept 25 to 75 LED is on when input signal is high level it is
6. nsceiving module Solder the fixed pin pins 5 and 6 of fiber optic transmitting module TOTX193 to the printed circuit board to fix the module to the board Solvent When using solvent for flux removal do not use a high acid or high alkali solvent Be careful not to pour solvent in the optical connector ports If solvent is inadvertently poured there clean with cotton tips Protective cap When the fiber optic transmitting module TOTX193 is not in use use the protective cap 5 2001 08 10 TOSHIBA TOTX193 8 9 10 11 12 Supply voltage Use the supply voltage within the Typ operating condition Vcc 5 0 25V Make sure that supply voltage does not exceed the maximum rating value of 7V even instantaneously Input voltage If a voltage exceeding the maximum rating value Vcc 0 5V is applied to the transmitter input the internal IC may degrade causing some damage If excessive voltage due to surges may be added to the input insert a protective circuit Soldering condition Solder at 260 C or less within ten seconds Precaution on waste When discarding devices and packing materials follow procedures stipulated by local regulations in order to protect the environment against contamination Compound semiconductors such as GaAs are used as LED materials for this module When discarding waste or at final processing attention must be paid to workers and the environment Precaution on use Toshiba is conti
7. nually working to improve the quality and the reliability of its products Nevertheless semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress It is the responsibility of the buyer when utilizing Toshiba products to observe standards of safety and to avoid situations in which a malfunction or failure of a Toshiba product could cause loss of human life bodily injury or damage to property In developing your designs please ensure that Toshiba products are used within specified operating ranges as set forth in the most recent product specifications Also please keep in mind the precautions and conditions set forth in the Toshiba Semiconductor Reliability Handbook 6 2001 08 10 TOSHIBA TOTX193 RESTRICTIONS ON PRODUCT USE 000707EAC e TOSHIBA is continually working to improve the quality and reliability of its products Nevertheless semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress It is the responsibility of the buyer when utilizing TOSHIBA products to comply with the standards of safety in making a safe design for the entire system and to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life bodily injury or damage to property In developing your designs please ensure that TOSHIBA products are used within specified
8. vices internally However in principle optical modules are optical components At soldering take care that flux dose not contact the emitting surface or detecting surface Also take care at flux removal after soldering Some optical modules come with protective cap The protective cap is used to avoid malfunction when the optical module is not in use Not that it is not dust or waterproof As mentioned before optical modules are optical component Thus in principle soldering where there may be flux residue or flux removal after soldering is not recommended Toshiba recommends that soldering be performed without the optical module mounted on the board Then after the board is cleaned solder the optical module manually Do not perform any further cleaning If the optical module cannot be soldered manually use non halogen chlorine free flux and make sure without cleaning there is no residue such as chlorine This is one of the ways to eliminate the effects of flux In such a case check the reliability Vibration and shock This module is resin molded construction with wire fixed by resin This structure is relatively sound against vibration or shock In actual equipment there are some cases where vibration shock and stress is applied to soldered parts or connected parts resultingin line cut Attention must be paid to the design of the mechanism for applications which are subject to large amounts of vibration Fixing fiber optical tra
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