AFBR-57B4APZ

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1. Description

The SFP transceiver provides system designers the ability to implement DC-50 Mbaud data transmission over 2 km with (62.5 µm/125 µm) multimode fibers. The transceiver supports LC duplex connector and is lead free, RoHS compliant. Using the two-wire serial interface defined in the SFF-8472 MSA, the AFBR-57B4APZ provides real-time information on module temperature, transmitter supply voltage, and receiver average input power.

2. Features

    1. Data rate support from DC to 50 Mbaud

    2. Single 3.3V power supply

    3. Manufactured in an ISO 9001 certified facility

    4. 850-nm VCSEL transmitter

    5. Link distance up to 2 km with 62.5 µm/125 µm multimode fiber

    6. Low current and low power dissipation

    7. Hot pluggable SFP connector

    8. Compatible with SFP MSA specification

    9. Class 1 FDA IEC60825-1 laser safety compliant

  10. Operating temperature –40°C to +85°C

  11. Excellent EMI and EMC behavior

  12. Integrated 850-nm VCSEL and driver IC with LVTTL input logic transmitter

  13. Integrated PIN diode and digitalizing IC with LVTTL output logic receiver

3. Applications

    1. Power substation automation

    2. HVDC

    3. Industrial networking over multimode fiber

4. Transmitter

The transmitter consists of 850-nm Class 1 laser compliant VCSEL with an integrated driver IC. The VCSEL driver operates at 3.3V. It receives LVTTL electrical input and converts it into a modulated current driving the VCSEL. The VCSEL is packaged in an optical subassembly. The optimized lens system of the optical subassembly couples the emitted optical power very efficiently into multimode fibers.

5. Receiver

The receiver uses a fully integrated single-chip solution that provides excellent immunity to EMI and fast transient dV/dt rejection. The receiver directly converts optical signal to a digital LVTTL/LVCMOS signal. The receiver operates at 3.3V. 

6. Module Package

The transceiver package is compatible with the Small Form Pluggable (SFP) MSA with the LC duplex connector option. The hot-pluggable capability of the SFP package allows the module to be installed even when host is online and operating. The transceiver requires a 3.3V DC power supply for optimal performance.