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EL6215 Datasheet(PDF) 1 Page - Intersil Corporation

Part No. EL6215
Description  3-Channel Laser Diode Driver Oscillator
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Maker  INTERSIL [Intersil Corporation]
Homepage  http://www.intersil.com/cda/home
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EL6215 Datasheet(HTML) 1 Page - Intersil Corporation

   
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1
®
FN7223
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. 2001,2004. All Rights Reserved. Elantec is a registered trademark of Elantec Semiconductor, Inc.
All other trademarks mentioned are the property of their respective owners.
EL6215
3-Channel Laser Diode Driver + Oscillator
The EL6215 is a high-performance
three channel laser driver that
provides controlled current to a
grounded laser diode. Write channels 2 and 3 should be
used as the write channels, with switching speeds of
approximately one nanosecond rise/fall time. All three
channels are summed together at the IOUT output, allowing
the user to create multilevel waveforms in order to optimize
laser diode performance. The level of the output current is
set by an analog voltage applied to an external resistor
which converts the voltage into a current at the IIN pin
(virtually ground). The current seen at this pin is then
amplified to become a current source at pin IOUT.
An on-chip 500MHz oscillator is provided to allow output
current modulation when in any mode. This is turned on
when the OSCEN pin is held high. Complete control of
amplitude and frequency is set by two external resistors
connected to ground at pins RFREQ and RAMP (see graphs
in this data sheet for further explanation).
Features
• Shrink-Small Outline Package
• Voltage-controlled output current source requiring one
external set resistor per channel
• Rise time = 0.8ns
• Fall time = 0.8ns
• On chip oscillator with frequency and amplitude control by
use of external resistors to ground
• Oscillator to 500MHz
• Oscillator to 100mA pk/pk
• Single +5V supply (±10%)
• Disable feature for power-up protection and power
savings
• Pb-free Available as an Option
Applications
• CD-RW applications
• Writable optical drives
• Laser diode current switching
Ordering Information
PART NO.
PACKAGE
TAPE & REEL
PKG. DWG. #
EL6215CL
24-Pin QFN
-
MDP0046
EL6215CL-T7
24-Pin QFN
7”
MDP0046
EL6215CL-T13
24-Pin QFN
13”
MDP0046
EL6215CU
24-Pin QSOP
-
MDP0040
EL6215CU-T7
24-Pin QSOP
7”
MDP0040
EL6215CU-T13
24-Pin QSOP
13”
MDP0040
EL6215CUZ
(See Note)
24-Pin QSOP
(Pb-free)
-
MDP0040
EL6215CUZ-T7
(See Note)
24-Pin QSOP
(Pb-free)
7”
MDP0040
EL6215CUZ-
T13 (See Note)
24-Pin QSOP
(Pb-free)
13”
MDP0040
NOTE: Intersil Pb-free products employ special Pb-free material
sets; molding compounds/die attach materials and 100% matte tin
plate termination finish, which is compatible with both SnPb and
Pb-free soldering operations. Intersil Pb-free products are MSL
classified at Pb-free peak reflow temperatures that meet or exceed
the Pb-free requirements of IPC/JEDEC J Std-020B.
Data Sheet
June 15, 2004
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