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Maxim rolls smallest multirate VCSEL driver

Posted: 28 Dec 2002 ?? ?Print Version ?Bookmark and Share

Keywords:maxim integrated products? max3741? multirate vcsel driver? optical module driver?

Maxim Integrated Products' MAX3741 3.3V multirate VCSEL driver occupies a 3-by-3mm footprint and is claimed to be the smallest multirate VCSEL driver to meet the requirements for SFF/SFP modules with digital diagnostics.

The 16-pin QFN is suitable for SFP- and SFF-8472-compatible shortwave optical modules. When coupled with a controller IC, the MAX3741 meets all required digital diagnostics and timing requirements, the company said.

Operating from 1Gbps to 3.2Gbps, this device can be used in GbE, Fibre Channel, and OC-48 modules for short-reach applications. The MAX3741 has a selectable peaking current, making it easy to interface with most VCSELs.

The MAX3741 operates from a single 3.3V supply and has a programmable bias current range of 1mA to 15mA, as well as a current range of 2mA to 15mA. It has an edge-speed transition time of 65ps and generates 12ps deterministic jitter and 1ps random jitter. The VCSEL driver can be used in common cathode and differential configurations.

It is screened for operation over the -40C to 85C temperature range and is priced starting at $6.75 (1,000-up).

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