EL6293 Datasheet, PDF (1/2 Pages) Intersil Corporation – Laser Diode Driver with Waveform Generator

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Data Sheet
July 15, 2004
EL6293
FN7271
Laser Diode Driver with Waveform
Generator
The EL6293 is a highly integrated
laser diode driver designed to support
multi-standard writable optical drives.
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.
This programmable architecture allows reprogramming of
the timers to support different media, 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 EL6293 also contains a fast I/V amplifier with
programmable sampler that allows the user to sample any
level of the output waveform by using an external
photodiode.
The EL6293 requires 3.3V and 5V supplies, with all the
logical interface operating on the 3.3V supply.
Get FULL DATASHEET
Features
• Complete programmable laser diode driver
• 350mA maximum total output
• 8-bit x 8-bit multiplying DAC output provides 8-bit full scale
adjustment and 8-bit resolution at any full scale output
• 0.17ns timer resolution
• Two laser outputs allows read/write DVD and CD
combinations
• Programmable waveform values support 2.6GB DVD-
RAM, 4.7GB DVD-RAM, DVD-R, DVD+RW, DVD-RW,
CD-RW, and CD-R
• Analog input supports APC
• HFM oscillator programmable to 100mA_P-P from 100MHz
to 500MHz
• PLL allows reduced-frequency clock on flex cable
• Separate serial input works up to 25Mb/sec
• Fast I/V amplifier with sampler
• Pb-free Available as an Option
Applications
• Combination DVD writable and CD writable drives
• DVD camcorders
• DVD video recorders
Ordering Information
PART
NUMBER
EL6293CL
EL6293CL-T7
EL6293CL-T13
PACKAGE
32-Pin QFN
32-Pin QFN
32-Pin QFN
TAPE & REEL PKG. DWG. #
-
MDP0046
7”
MDP0046
13”
MDP0046
EL6293CLZ
32-Pin QFN
-
(See Note)
(Pb-free)
MDP0046
EL6293CLZ-T7 32-Pin QFN
7”
(See Note)
(Pb-free)
MDP0046
EL6293CLZ-
32-Pin QFN
13”
T13 (See Note) (Pb-free)
MDP0046
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.
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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