SY84402LMG TR Micrel Inc, SY84402LMG TR Datasheet

SY84402LMG TR

Manufacturer Part Number

SY84402LMG TR

Description

IC VCSEL DVR 4.25GBPS 3.3V 10MLF

Manufacturer

Micrel Inc

Type

Laser Diode Driverr

Datasheet

1.SY84402LMG_TR.pdf (7 pages)

Specifications of SY84402LMG TR

Data Rate

4.25Gbps

Number Of Channels

Voltage - Supply

3 V ~ 3.6 V

Current - Supply

50mA

Operating Temperature

-40°C ~ 85°C

Package / Case

10-MLF®, QFN

Mounting Type

Surface Mount

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Other names

576-3702-2
SY84402LMG TR

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General Description

The SY84402L is a 3.3V VCSEL driver for applications up

to 4.25Gbps. The driver comes in a 2mm x 2mm MLF

package which makes it less than half the size of any other

driver operating at that rate. The variable output swing on

the SY84402L makes it ideal for use as a VCSEL driver as

well as a backplane driver/receiver.

The operational range of the SY84402L control input is

from V

minimum output swing). VCTRL can also be driven by a

DAC such as those contained in the MIC300X, Micrel’s

FOM controller family.

The SY84402L provides a VT output for use as a DC bias

for AC-coupling to the device. The input termination

network can easily be modified to handle a DC-coupled

PECL output to save board space by simply tying the VT

terminal to ground through a 50 Ohm resistor. The VT pin

should be used only as a bias for this device as its current

sink/source capability is limited.

All datasheets and support documentation can be found

on Micrel’s web site at: www.micrel.com.

___________________________________________________________________________________________________________

Typical Application

October 2009

MicroLeadFrame and MLF are registered trademarks of Amkor Technology, Inc.

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (

-1.42V (for maximum output swing) to V

(for

Features

• 3.3V power supply

• Operates from 100Mps up to 4.25Gbps

• 100k-compatible PECL/ECL I/O

• Guaranteed operation over –40°C to +85°C temperature

• Fully controllable with Micrel MIC300X controller

• Available in ultra-small 10-pin MLF

Applications

• Multirate LAN, SAN applications up to 4.25Gbps:

• SFF, SFP Modules

• Backplane receiver

408

range

package

Ethernet, GbE, FC

) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

4.25Gbps VCSEL Driver

SY84402L

hbwhelp@micrel.com

(2mm x 2mm)

or (408) 955-1690

M9999-102809-A

Related parts for SY84402LMG TR

SY84402LMG TR Summary of contents

Page 1

... All datasheets and support documentation can be found on Micrel’s web site at: www.micrel.com. ___________________________________________________________________________________________________________ Typical Application MicroLeadFrame and MLF are registered trademarks of Amkor Technology, Inc. Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 ( October 2009 SY84402L 4.25Gbps VCSEL Driver Features • ...

Page 2

Micrel, Inc. Ordering Information Part Number SY84402LMGTR (1) Note: 1. Pb-Free package is recommended for new designs. Pin Configuration Pin Description Pin Pin Name Pin Function Number 1 GND GND and Exposed pad must be tied to most negative supply. ...

Page 3

Micrel, Inc. Absolute Maximum Ratings Supply Voltage (V ) .................................. –0.5V to +4.0V CC Input Voltage (V ) .......................................... –0. LVPECL Output Current (I ) OUT Continuous .......................................................... 50mA Surge ................................................................. 100mA Input Current Source or sink ...

Page 4

Micrel, Inc. AC Electrical Characteristics V = +3.3V ±10% and GND = 0V Symbol Parameter Maximum Data Rate Output Rise/Fall Times r f (20% to 80%) Notes: 6. Output with VCTRL = V – 1.42V. ...

Page 5

Micrel, Inc. Functional Block Diagram Functional Description As shown on the block diagram above, the driver is composed from an input buffer, Enable and polarity block, and output buffer. In order to accommodate VCSELs with different polarity and keep the ...

Page 6

Micrel, Inc. Input and Output Stages Figure 1a. Simplified Driver Input Stage Interfacing Driver Input to Different Logic Drivers Figure 2a. AC-Coupled Input to LVPECL Figure 2c. AC-Coupled Input to CML October 2009 Figure 1b. Simplified Driver Output Stage Figure ...

Page 7

Micrel, Inc. Package Information Package Notes: 1. Package meets Level 2 qualification. 2. All parts are dry-packaged before shipment. 3. Exposed pads must be soldered to a plane equivalent to device GND for proper thermal management. MICREL, INC. 2180 FORTUNE ...

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