EL6915CL [INTERSIL]
Laser Diode Driver w/ Waveform Generator; 激光二极管驱动器瓦特/波形发生器
| 型号： | EL6915CL |
| 厂家： | 
Intersil |
| 描述： | Laser Diode Driver w/ Waveform Generator |
| 文件： | 总2页 (文件大小：97K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
EL6915
®
Data Sheet
July 7, 2004
FN7276.1
Laser Diode Driver w/ Waveform Generator
Features
• Complete programmable laser diode driver
The EL6915 is a highly integrated
laser diode driver designed to support
• 350mA maximum total output
multi-standard writable optical drives.
• 8-bit x 8-bit multiplying DAC output provides 8-bit full scale
adjustment and 8-bit resolution at any full scale output
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 part also has an
IV amplifier with concurrent read and write sampling. The
gains of the IV amplifier are programmable, eliminating the
need for external potentiometers.
• 100ps timer resolution
• Two laser outputs allows read/ write DVD and CD
combinations
• Programmable waveform values support CD-R, CD-RW,
DVD-RAM, DVD-R, DVD-RW, DVD+R, and DVD+RW
• Two analog inputs support slope and read APC
• HFM oscillator programmable to 100mA
to 500MHz
from 100MHz
P-P
The 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 clock and NRZ
inputs can be either standard CMOS or LVDS, selectable
through a program bit.
• PLL allows reduced-frequency clock on flex cable
• Separate serial input works up to 100MHz
• Dual sampled IV amplifier with programmable sample
select and gain select
• Programmable HFM offset when HFM is off
• Pb-free available
The EL6915 operates on a 5V supply for the analog circuits
and a 3.3V supply for the digital circuits.
Applications
• Combination DVD writable and CD writable drives
Ordering Information
TAPE &
PART NUMBER
EL6915CL
PACKAGE
38-Pin QFN
38-Pin QFN
38-Pin QFN
REEL
PKG. DWG. #
MDP0046
MDP0046
MDP0046
MDP0046
• DVD camcorders
-
7”
13”
-
• DVD video recorders
EL6915CL-T7
EL6915CL-T13
EL6915CLZ
(Note)
38-Pin QFN
(Pb-Free)
EL6915CLZ-T7
(Note)
38-Pin QFN
(Pb-Free)
7”
MDP0046
MDP0046
EL6915CLZ-T13
(Note)
38-Pin QFN
(Pb-Free)
13”
Get FULL DATASHEET
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.
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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EL6915
All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9000 quality systems.
Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without
notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and
reliable. 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
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