el6938 Intersil Corporation, el6938 Datasheet
el6938
Manufacturer Part Number
el6938
Description
Laser Diode Driver With Waveform Generator
Manufacturer
Intersil Corporation
Datasheet
1.EL6938.pdf
(2 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
el6938CLZ
Manufacturer:
INTERSIL
Quantity:
20 000
Laser Diode Driver with Waveform
Generator
It accomplishes this by incorporating a waveform generator
wherein the diode currents and timing details can be
programmed before operation. The data input circuitry
inspects the NRZ serial data waveform and generates
programmed waveforms in recognition of 3, 4, 5, or 6 or
more clock periods of space changing to 3, 4, 5, or 6 or more
clock periods of mark, and vice versa.
The architecture allows reprogramming of the timers to
support different media, Blue, DVD, or CD standards, and
different speeds. The programming is accomplished through
a serial interface port. Two outputs are provided to support
dual-laser multi-standard optical heads. The clock and NRZ
inputs can be either standard CMOS or LVDS, selectable
through a program bit.
The EL6938 requires 2.5V and 5V supplies, with all the
logical interface operating on the 2.5V supply.
Get FULL DATASHEET
The EL6938 is a highly integrated
laser diode driver designed to support
multi-standard writable optical drives.
®
1
Data Sheet
Copyright © Intersil Americas Inc. 2004. All Rights Reserved. Elantec is a registered trademark of Elantec Semiconductor, Inc.
1-888-INTERSIL or 321-724-7143
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
Features
• Complete programmable laser diode driver
• 500mA maximum total output
• 10-bit x 10-bit multiplying DAC output provides 10-bit full
• 54 psec timer resolution
• Two laser outputs allows read/write DVD and CD
• Programmable waveform values support CD-R, CD-RW,
• Two analog inputs support slope and read APC
• HFM oscillator programmable to 100mA
• PLL allows reduced-frequency clock on flex cable
• Separate serial input works up to 100MHz
• Programmable HFM offset when HFM is off
• Pb-free available
Applications
• Combination DVD writable and CD writable drives
• DVD camcorders
• DVD video recorders
Ordering Information
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.
EL6938CL
EL6938CL-T7
EL6938CL-T13
EL6938CLZ
(See Note)
EL6938CLZ-T7
(See Note)
EL6938CLZ-T13
(See Note)
PART NUMBER
scale adjustment and 10-bit resolution at any full scale
output
combinations
DVD-RAM, DVD-R, DVD-RW, DVD+R, DVD+RW, and
Blue
to 500MHz
All other trademarks mentioned are the property of their respective owners.
June 24, 2004
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
32-Pin QFN (5x6mm)
32-Pin QFN (5x6mm)
32-Pin QFN (5x6mm)
32-Pin QFN (5x6mm)
32-Pin QFN (5x6mm)
32-Pin QFN (5x6mm)
PACKAGE
(Pb-Free)
(Pb-Free)
(Pb-Free)
TAPE &
REEL
13”
13”
7”
7”
-
-
P-P
EL6938
from 100MHz
PKG. DWG. #
FN7410
MDP0046
MDP0046
MDP0046
MDP0046
MDP0046
MDP0046
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el6938 Summary of contents
Page 1
... Two outputs are provided to support dual-laser multi-standard optical heads. The clock and NRZ inputs can be either standard CMOS or LVDS, selectable through a program bit. The EL6938 requires 2.5V and 5V supplies, with all the logical interface operating on the 2.5V supply. Get FULL DATASHEET 1 ...
Page 2
... However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see www.intersil.com 2 EL6938 ...