SY88992L_11 Datasheet, PDF (1/11 Pages) Micrel Semiconductor – 3.3V, 4.25Gbps VCSEL Driver

SY88992L
3.3V, 4.25Gbps VCSEL Driver
General Description
Features
The SY88992L is a single supply 3.3V, low power
consumption, small-form factor VCSEL driver ideal for
use in datacom applications; Ethernet, GbE (Gigabit
Ethernet), and FC (Fibre Channel) applications that
operate from 100Mbps up to 4.25Gbps. The
modulation current is set by applying an external
voltage at the IM_SET pin. The driver features an
adjustable peaking option with variable amplitude and
duration to improve VCSEL edge response. The driver
can deliver modulation current up to 25mA and a
peaking current up to 35% of the modulation current.
This device is intended to be used with Micrel’s
MIC3001 Optical Transceiver Management IC, which
allows for both modulation and bias current control and
monitoring, APC (Automatic Power Control), and
temperature compensation.
All support documentation can be found on Micrel’s
web site at: www.micrel.com.
• Up to 25mA modulation current
• Operates from 100Mbps to 4.25Gbps
• Peaking with variable duration option for better
VCSEL response
• Dual peaking, on the rise and falling edges
• Peaking current proportional to modulation current
• Easy modulation current setting
• Fully controllable with Micrel MIC3001
• Small (3mm x 3mm) 16 pin QFN package
Applications
• Multirate LAN, SAN applications up to 4.25Gbps:
Ethernet, GbE, FC
• SFF, SFP Modules
Markets
• Datacom
________________________________________________________________
Typical Application
January 2006
M9999-011306-A
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