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EL6202CW-T7

Description
Laser Driver Oscillator
File Size110KB,8 Pages
ManufacturerIntersil ( Renesas )
Websitehttp://www.intersil.com/cda/home/
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EL6202CW-T7 Overview

Laser Driver Oscillator

®
EL6202
Data Sheet
June 11, 2004
FN7217.1
Laser Driver Oscillator
The EL6202 consists of a variable
amplitude, push only, oscillator that
also supplies the laser DC current. It is
designed to easily interface to existing ROM controllers,
reducing parts count, and power dissipation.
The reduction of parts count and the small package allows
the oscillator to be placed closer to the laser, thus reducing
EMI. Also, the turn-on and turn-off edges are slew rate
limited to reduce higher harmonics.
The total current drawn from the power supply can be less
than the laser threshold current due to the unique push-only
modulation method. The average current is less than the
peak oscillator current, and can be less than half of the
oscillator current. The power control current supplied from
the main board is reduced to less than 2mA.
One external resistor sets the oscillator frequency. A current
applied to the I
IN
terminal determines the amplitude of the
oscillator and laser DC current. If the oscillator amplitude is
set very low, the output and oscillator are disabled. The part
is available in the space-saving SOT23-5 package. It is
specified for operation from 0°C to +70°C.
Features
• Low power dissipation
• Reduced parts count from the conventional solution
• User-selectable frequency from 60MHz to 600MHz
controlled with a single resistor
• User-selectable amplitude from 15mA
PK-PK
to
100mA
PK-PK
controlled by 0.3mA to 2mA input current
• Auto turn-off threshold
• Soft edges for reduced EMI
• Small SOT23-5 package
Applications
• DVD players
• DVD-ROM drives
• Combo drives
• MO drives
• General purpose laser noise reduction
• Local oscillator capability
Pinout
EL6202
(5-PIN SOT-23)
TOP VIEW
Ordering Information
PART NUMBER
EL6202CW-T7
PACKAGE
5-Pin SOT-23
5-Pin SOT-23
TAPE & REEL PKG. DWG. #
7” (3K pcs)
7” (250 pcs)
MDP0038
MDP0038
1
VDD
RFREQ
5
EL6202CW-T7A
2
GND
3
IOUT
IIN
4
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright © Intersil Americas Inc. 2003-2004. All Rights Reserved. Elantec is a registered trademark of Elantec Semiconductor, Inc.
All other trademarks mentioned are the property of their respective owners.

EL6202CW-T7 Related Products

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Description Laser Driver Oscillator Laser Driver Oscillator Laser Driver Oscillator

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