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參數(shù)資料
| 型號(hào)： | TOSLINK |
| 廠商： | Toshiba Corporation |
| 英文描述： | Optical Transmission Device |
| 中文描述： | 光傳輸設(shè)備 |
| 文件頁數(shù)： | 19/20頁 |
| 文件大?。?/td> | 1612K |
| 代理商： | TOSLINK |
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(6) Supply Voltage
Modules should be used with a supply voltage within the standard operating conditions. Ensure that the supply voltage does
not exceed the absolute maximum rating even momentarily.
(7) Input Voltage
If a voltage exceeding the absolute maximum rating is applied to the transmitter input, the internal IC may be adversely
affected or destroyed. If there is a possibility of excessive input voltage due to a surge, for example, add a protector circuit to
the input.
(8) Outpu
t
Note that internal ICs can be damaged when the receiver output is low and the output is shorted to the power supply, or when
output is high and is shorted to GND.
(9) Handling Optical Fiber Cables
Do not drop heavy or sharp metal objects onto the optical fiber cable. If the fiber cable breaks, data cannot be transmitted.
Also, transmission loss increases with sharp bends in the fiber cable. Toshiba recommend that, if the cable must be bent during
installation, the bent section should have as large a radius as possible (six to ten times the minimum bending radius).
Some fiber-optic connectors are vertical connectors. When inserting a fiber-optic connector, note the directionality of the
connection. When coupling or decoupling a fiber optic connector, be sure to hold the connector itself. Do not decouple a fiber-
optic connector by pulling on the optical-fiber cord.
(10) Assembling Fiber-Optic Connectors
Since specialized assembly tools are available for the fiber-optic connectors used with TOSLINK devices, people without
specialist knowledge can assemble the connectors.
However, the person who assembled the product is responsible for its characteristics and quality.
When a connector is to be used in an application where reliability is essential,Toshiba recommends purchasing a pre-
assembled product or contacting a specialist with the necessary expertise.
(11) Absolute Maximum Ratings
The absolute maximum ratings must never be exceeded, even momentarily. Even a single rating value must never be
exceeded. The nature of the absolute maximum ratings depend on the product but generally include such parameters as the
input and output currents, input voltage, storage temperature, operating temperature and lead temperature.
If the input current or voltage exceeds the absolute maximum rating value, overvoltage and overcurrent can adversely affect
the internal circuitry of the device. If the rating is grossly exceeded, the wiring may fuse due to heating in the internal circuits, or
the circuitry in the semiconductor chips may be destroyed.
If, for example, the absolute maximum operating temperature, storage temperature or soldering temperature rating is
exceeded, the differences in the coefficients of thermal expansion of the various materials that make up the device can
damage the sealing or open up bonded parts. When using TOSLINK devices, never exceed any of the absolute maximum
ratings.
(12) Recommended Operating Conditions
The recommended operating conditions are conditions recommended to ensure the operation described in the individual
datasheets. To improve the reliability of a device even further, use the device with a derated maximum voltage, current,
temperature or other parameter. Note that the recommended operating conditions are intended to guarantee the stated
operation and do not always guarantee characteristic values.
(13) Smoke and Fire
Since optical modules, connectors and fiber cables are flammable, scorching or burning them may cause them to emit smoke
or burst into flame, which can in turn cause gas emissions. Therefore, do not use these devices in the vicinity of flames, smoke
or any flammable materials.
(14) Disposal Precautions
TOSLINK devices and packaging materials must be disposed of by the user as industrial waste products in an environmentally
appropriate way and in accordance with the law.
(15) Application Precautions
While Toshiba strives to improve the quality and reliability of their products, semiconductor products in general can malfunction
or break down. When using a Toshiba semiconductor product, it is the purchaser's responsibility to design safe equipment
which does not cause loss of life, injury or damage to property.
When incorporating a Toshiba device into a product, check the latest product specifications of the Toshiba device and ensure
that all parameters remain within the absolute maximum ratings and recommended operating condition ranges. In addition,
follow the stipulations in Precautions for Handling Toshiba Semiconductor Products and the Toshiba Semiconductor Reliability
Handbook, with regard to the precautions and conditions described in those document.
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