Toshiba TOTX178S User Guide
Summary
This datasheet provides detailed specifications for the TOTX178S Fiber Optic Transmitting Module, designed for reliable digital audio signal transmission. The module is crucial for applications requiring compliant data transfer under the JEITA Standard CP-1201. This comprehensive manual covers technical parameters, including maximum operating ratings, electrical and optical characteristics (e.g., up to 6 Mb/s data rate and 5m transmission distance), and essential handling precautions for optimal integration. It is ideal for electronics engineers developing consumer or industrial equipment like computers, office devices, and measuring instruments.
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TOTX178S
FIBER OPTIC TRANSMITTING MODULE
TOTX178S
FIBER OPTIC TRANSMITTING Unit: mm MODULE FOR DIGITAL AUDIO INTERFACE
Conforms to JEITA Standard CP−1201 (For Digital Audio Interfaces including Fiber Optic inter−connections). LED is driven by differential circuit.
1. Maximum Ratings (Ta = 25°C)
Characteristics Symbol Rating Unit
Storage Temperature Tstg −40 to 70 °C Operating Temperature Topr −20 to 70 °C Supply Voltage VCC −0.5 to 7 V Input Voltage VIN −0.5 to VCC + 0.5 V Soldering Temperature Tsol 260 (Note 1) °C
Note 1: Soldering time ≤ 10 seconds (At a distance of 1 mm from the package).
2. Recommended Operating Conditions
Characteristics Symbol Min Typ. Max Unit
Supply Voltage VCC 4.75 5.0 5.25 High−Level Input Voltage VIH 2.0 ― VCC Low−Level Input Voltage VIL 0 ― 0.8 V
Handling precaution: The LED’s used in this product contain Ga As (Gallium Arsenide).
Care must be taken to protect the safety of people and the environment when scrapping or terminal processing.
Page Summary Contents For Toshiba TOTX178S User Guide
Manual Details
| Brand | Toshiba |
|---|---|
| Pages | 5 |
| File Size | 106.77 KB |
| Published | June 02, 2026 |
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Frequently Asked Questions
What is the maximum transmission distance of the module using APF?
With a pulse width of 165 ns, the transmission distance can reach up to 5 meters.
Can this optical module be soldered directly to a board?
Soldering is not recommended; ideal procedure involves manually soldering it after cleaning the board separately from the component.
What materials are hazardous if I dispose of this product?
The product contains Gallium Arsenide (GaAs), and you must follow appropriate regulations, avoiding disposal with general waste.
What environmental factors affect the light emitter's operational life?
The lifetime is influenced by operating conditions and the specific environment in which it is used. Regular checks are recommended.