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SY88922

Micrel Semiconductor
Part Number SY88922
Manufacturer Micrel Semiconductor
Description SDH/SONET 2.5Gbps LASER DIODE DRIVER
Published Sep 24, 2005
Detailed Description Micrel, Inc. SDH/SONET 2.5Gbps LASER DIODE DRIVER SY88922 SY88922 FEATURES DESCRIPTION ■ Up to 2.5Gbps operation ■ ...
Datasheet PDF File SY88922 PDF File

SY88922
SY88922

Overview
Micrel, Inc.
SDH/SONET 2.
5Gbps LASER DIODE DRIVER SY88922 SY88922 FEATURES DESCRIPTION ■ Up to 2.
5Gbps operation ■ 25mA peak drive current ■ Separate modulation control ■ Separate output enable for laser safety ■ Differential inputs for data ■ 75KΩ input pulldown resistor ■ Designed for use with SY88923, SY88904 or SY88905 ■ Available in a tiny 10-pin (3mm) MSOP The SY88922 is a high-speed current switch for driving a semiconductor laser diode in optical transmission applications.
The output current, or modulation current IMOD, is DC current controlled by IRSET, current through the resistor RSET.
The output OUT is HIGH when output enable is HIGH.
The device incorporates complementary open collector outputs with a capability of driving peak current of 25mA.
The resistor REXT must be placed between /OUT and VCC to dissipate the worst case power.
RSER is recommended to compensate for laser diode matching issues.
The SY88922 utilizes the high performance bipolar ASSET™ technology.
A...


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