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MAX3967 - 270Mbps SFP LED Driver

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.

Key Features

  • Ordering Information PART MAX3967ETG MAX3967E/D TEMP RANGE -40°C to +85°C -40°C to +85°C PIN-.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-3252; Rev 0; 5/04 270Mbps SFP LED Driver MAX3967 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. The SFP LED driver can switch up to 100mA into typical high-speed light-emitting diodes. As temperature increases, the device’s modulation current increases with a tempco that is programmable from 2500ppm/°C to 12,000ppm/°C. The modulation current is programmed with a single external resistor.