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POF Transceiver OLKDX-EERWBC

Description
COMOSS OLKDX is a plugless digital-to-optical transceiver module that is fully compatible for IEEE 802.3u Fast Ethernet data communication standard. OLKDX with smaller housing provides a novel termination solution for bare plastic optical fiber (POF). OLKDX owns cheaper, quicker and easier feature in POF network solutions. OLKDX allows a bare POF cable that is cut into any expected length by COMOSS knife tools. The transmitter of OLKDX is combined with RCLED (Resonant Cavity Light Emitting Diode) and integrated CMOS IC that meets LVDS (Low Voltage Differential Signal) and CML (Current Mode Logic). The reciver of OLKDX is combined with PIN photo diode, integrated TIA (Transimpedance Amplifier) and LA (Limiting Amplifier) IC that also meets LVDS and CML. Therefore, OLKDX is able to use in Fast Ethernet Hub ports directly. Its applications involve in PCs, consumer electronic devices, digital home network and embedded car network.

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Datasheet


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Absolute Maximum Rating
Parameter Symbol Min. Max. Unit Test Condition
Storage Temperature Tstg -40 100 °C  
Operating Temperature Top -20 70 °C  
Recommended Soldering Temperature Tsld   260(1) °C 2.2mm below seating plane
Supply Voltage VCC -0.5 4.5 V  
Key Features
  1. Cheaper, quicker and easier termination solution
  2. Data rate: meet IEEE 802.3u Std.
  3. Peak wavelength: 660±10 nm
  4. Spectral width: 25 nm
  5. Operating temperature: -40~70 °C
  6. Transmission Length : 100 meters at 100Mbps @NA=0.3 POF
  7. Integrated optical lens
  8. Built in LVDS and CML compatible IC for TX and RX
  9. Built in Wake-on-LAN specification
  10. Low power consumption
  11. Reinforced Polymer package

Optical and Electrical Characteristics of Transmitter
Parameter Symbol Min. Typ. Max. Unit
Peak Wavelength λ 640 660 670 nm
Spectral Width Δλ   23 30 nm
Mean Optical Power between –20~70 °C P0 -8.5<   -2.0 dBm
Optical Rise Time (20%~80%) 250Mbps tr   1.5 2.0 ns
Optical Fall Time (80%~20%) tf   2.0 3.0 ns
Extinction Ratio R 10.0     dB
Systematic Jitter 100Mbps       855 ps
Random Jitter 100Mbps       855 ps
Supply Voltage VCC 3.0 3.3 3.6> V
Supply Current ICC     55 mA
Baud Rate for 8B/10B     100   Mbps
Common Mode Input Voltage   GND+0.8   Vcc-0.8 V
Swing Input Voltage   100   1200 mV
Waking Input Voltage       100 mV
Delay time of Optical Power OFF  

 0.02

  

 20

 us
Delay time of Optical Power ON       5 us

*All specifications are subject to change without notice.

Optical and Electrical Characteristics of Receiver
Parameter Symbol Min. Typ. Max. Unit
Receivable Optical Power Sensitivity

   -24 -26 -28 dBm
Rise and Fall Time       2.0 ns
Supply Voltage VCC 3.0 3.3 3.6 V
Supply Current ICC     45 mA
Offset Common Mode Voltage     1.2   V
Differential Output Voltage   500   600 mV
Differential Output Impedance     100   ohm
SD (Signal Detect) ON Output Voltage   2.4     V
SD (Signal Detect) OFF Output Voltage   0   0.4 V
SD Assert / Deassert Time   0.5 5 100 us>

*All specifications are subject to change without notice.

Special Functions
  1. The function of Rex is to allow the designer to adjust optical power of RCLED.
    Two settings are as follows:
    1. Rex is tied to ground (set to low). This setting is default and recommended setting for normal operation.
    2. Rex is tied to 3.3V (set to high). The output power of RCLED is reduced by 3 dBm.
  2. SD (Signal Detect) is a LVCMOS signal.

Order Information

OLKDX - E E R W B C



Data Rate Mode
  • E: 100 Mbps for Ethernet
Function Type
  • E: Ethernet type (100Mbps)
Construction Type
  • R: Right angle contacts (DIP) for PCB end
Mounting Type
  • W: Without locating peg and mounting hole
Color Option
  • B: Black, 2.2mm O.D. (Ethernet type)
Logo Option
  • C: With COMOSS logo

OptoLock® is a registered trade mark of Firecomms