The MAX3741 is a high-speed VCSEL driver for smallform-
factor (SFF) and small-form-factor pluggable (SFP)
fiber-optic LAN transmitters. It contains a bias generator,
laser modulator, and peaking current option to improve
VCSEL edge speed. The driver accommodates common
cathode and differential configurations.
The MAX3741 operates up to 3.2Gbps. It can switch up
to 15mA of laser modulation current and source up to
15mA of bias current. The MAX3741 is designed to interface
with a digital potentiometer and control circuitry.
The MAX3741 accommodates various VCSEL packages,
including low-cost TO-46 headers.
The MAX3741 is available in a compact 3mm x 3mm
16-pin thin QFN package and operates over a temperature
range of -40°C to +85°C.
Key Features
Applications/Uses
2mA to 15mA Modulation Current
1mA to 15mA Bias Current
Optional Peaking Current to Improve VCSEL Edge
Speed
Supports Common Cathode and Differential
Configuration
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