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EL6119CL-T13
EL6119CL-T13 | |
|---|---|
| Manufacturer Part Number | EL6119CL-T13 |
| Manufacturer | Intersil Corporation |
| EL6119CL-T13 datasheets |
|
Availability: In stock
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Data Sheet
Dual 4-Channel Laser Diode Driver +
Oscillator
The EL6119 is a dual four-channel
laser diode current amplifier that
provides controlled current to both a
CD and DVD laser diode. Channels 2, 3, and 4 should be
used as the write channels, with switching speeds of
approximately one nanosecond rise/fall time. All four
channels are summed together at the I
OUT
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 I
(virtually ground). The current seen at this pin is then
amplified to become a current source at pin I
Output current pulses are enabled when an ‘L’ signal is
applied to the WEN pin. No output current flows when WEN
is ‘H’ and additional laser diode protection is provided since
the WEN input will float high when open. Complete I
shutoff is also achieved by holding the ENABLE pin low,
which will override the WEN control pins.
Each laser driver has a separate ENABLE pin to allow total
shutdown of each laser driver when not in use.
An on-chip 500MHz oscillator is provided to allow output
current modulation when in read mode. The oscillator is
enabled when the OSCEN pin is held high. Complete control
of amplitude and frequency is set by two external resistors
connected to ground at pins R
and R
FREQ
in this data sheet for further explanation).
Ordering Information
PART
NUMBER
PACKAGE
TAPE & REEL
EL6119CL
32-Pin QFN
-
EL6119CL-T13
32-Pin QFN
13”
1
Copyright © Intersil Americas Inc. 2003-2004. All Rights Reserved. Elantec is a registered trademark of Elantec Semiconductor, Inc.
June 15, 2004
Features
• Leadless plastic 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
output, allowing
use of external resistors to ground
• Oscillator to 500MHz
• Oscillator to 100mA
pin
IN
• Single +5V supply (±10%)
.
• Disable feature for power-up protection and power savings
OUT
• CMOS control signals
Applications
OUT
• CD + DVD Combo applications
• Writable optical drives
• Laser diode current switching
(see graphs
AMP
PKG. DWG. #
Get FULL DATASHEET
MDP0046
MDP0046
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
|
1-888-INTERSIL or 321-724-7143
All other trademarks mentioned are the property of their respective owners.
EL6119
FN7208
PK/PK
Intersil (and design) is a registered trademark of Intersil Americas Inc.
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