Transmit up to 100m with a drive current of just 6mA

3rd April 2014
Nat Bowers

Extending their portfolio of TOSLINK fibre optic modules, the TOxX1350-series from Toshiba supports signal transmission from DC or any data rates up to 10Mb/s. Transmission distances of 40-100m can be achieved with a drive current of only 6mA and it is possible to operate the transmitter with a drive current of only 1.5mA to achieve transmission distances of 0.2-50m.

Transmission distances of up to 100m are achieved by Toshiba’s latest APF (all plastic fibre) TOSLINK devices. As applications related to renewable energy are increasingly sensitive to losses in the generation and storage process, the modules have been optimised to ensure low power consumption. The devices have an operating temperature range from -40 to +85°C and support a power supply voltage of 5V.

Toshiba’s TOSLINK is a data transmission system that utilises optical signals in place of electrical signals. It does not emit any electromagnetic noise, and performs more reliably than electrical data transmission, as the optical cable is not susceptible to electromagnetic interference.The latest models enable high speed, long distance and low consumption current optical communications, making them suited for transmission of control signals in energy sensitive applications including wind and photovoltaic power generation systems, control devices, battery controllers and various industrial devices.

The TORX1350 receiving module uses a single-chip light sensor IC, which contains a photodiode, an amplifier and a waveform shaping circuit (automatic threshold control circuit (ATC)) and operates at 9mA (typical) and 20mA (maximum). Utilising an original high-power, high-reliability red LED the TOTX1350 transmitter products can be driven using currents as low as 1.5mA. This drive current is 90% lower than that of existing TOSLINK products.

The modules are available in both horizontal-type and vertical-type packages that are compatible with the JIS F05 optical connector. TOTX1350(F) and TORX1350(F) are horizontal-type optical transmitting and receiving modules; and TOTX1350(V,F) and TORX1350(V,F) are vertical-type optical transmitting and receiving modules.

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