General Description

The MAX3967 is a programmable LED driver for fiber optic transmitters operating at data rates up to 270Mbps. The circuit contains a high-speed current driver with programmable temperature coefficient (tempco), adjustments for LED prebias voltage, and a disable feature. The circuit accepts PECL data inputs, and operates from a single +2.97V to +5.5V power supply.

Features

♦ TX_DISABLE for SFP Compatibility

♦ Single +2.97V to +5.5V Power Supply

♦ Adjustable Temperature Compensation

♦ Adjustable Modulation Current

♦ Complementary Output Reduces Supply Noise

♦ Programmable LED Prebias Voltage

♦ Available in 24-Pin QFN or Die

Applications

    Multimode LED Transmitters

    Fast Ethernet/FDDI

    155Mbps LAN ATM Transceivers

    ESCON Receivers

    SFP Transceivers