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MAX3795

Maxim Integrated Products
Part Number MAX3795
Manufacturer Maxim Integrated Products
Description 1Gbps to 4.25Gbps Multirate VCSEL Driver
Published Nov 17, 2008
Detailed Description 19-3387; Rev 0; 8/04 1Gbps to 4.25Gbps Multirate VCSEL Driver with Diagnostic Monitors General Description The MAX3795 ...
Datasheet PDF File MAX3795 PDF File

MAX3795
MAX3795

Overview
19-3387; Rev 0; 8/04 1Gbps to 4.
25Gbps Multirate VCSEL Driver with Diagnostic Monitors General Description The MAX3795 is a high-speed VCSEL driver for smallform-factor (SFF) and small-form-factor pluggable (SFP) fiber optic transmitters.
It contains a bias generator, a laser modulator, and comprehensive safety features.
The automatic power control (APC) adjusts the laser bias current to maintain average optical power over changes in temperature and laser properties.
The driver accommodates common-cathode and differential www.
DataSheet4U.
com configurations.
The MAX3795 operates up to 4.
25Gbps.
It can switch up to 15mA of laser modulation current and source up to 15mA of bias current.
Adjustable temperature compensation is provided to keep the optical extinction ratio within specifications over the operating temperature range.
The MAX3795 interfaces with the Dallas DS1856/DS1859 to meet SFF-8472 timing and diagnostic requirements.
The MAX3795 accommodates various VCSEL packages, including low-cost TO-46 headers.
The MAX3795 safety circuit detects faults that could cause hazardous light levels and disables the VCSEL output.
The safety circuits are compliant with SFF and SFP multisource agreements (MSAs).
The MAX3795 is available in a compact 4mm ✕ 4mm, 24-pin thin QFN package and operates over the -40°C to +85°C temperature range.
The MAX3795 is pin-forpin compatible with the MAX3740A and is available in lead-free packages.
♦ 3.
3V ±10% Single Supply ♦ 2mA to 15mA Modulation Current ♦ 1mA to 15mA Bias Current ♦ 52ps Transition Time ♦ 8.
4ps Deterministic Jitter ♦ Optional Peaking Current to Improve VCSEL Edge Speed ♦ Supports Common-Cathode and Differential Configuration ♦ Safety Circuits Compliant with SFF and SFP MSAs ♦ Pin Compatible to MAX3740A Features ♦ Supports All SFF-8472 Digital Diagnostics MAX3795 Ordering Information PART MAX3795ETG MAX3795ETG+ TEMP RANGE PIN-PACKAGE -40°C to +85°C 24 Thin QFN (4mm x 4mm) -40°C to +85°C 24 Thin QFN (4mm x 4mm) +Denotes ...


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