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PDF EL6290CL Data sheet ( Hoja de datos )
| Número de pieza | EL6290CL | |
| Descripción | Laser Diode Driver with Waveform Generator | |
| Fabricantes | Elantec Semiconductor | |
| Logotipo |  |
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EL6290C - Product Brief
Laser Diode Driver with Waveform Generator
Features
• Complete programmable laser
diode driver
• 250mA maximum output
• 8bit x 8bit multiplying DAC output
provides 8bit full scale adjustment
and 8bit resolution at any full scale
output
• 0.5ns 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
100mAp-p from 200 to 500MHz
• PLL allows reduced-frequency
clock on flex cable
• Separate serial input works up to
25Mb/sec
Applications
• Combination DVD writable and
CD writable drives
• DVD Camcorders
• DVD Video Recorders
Ordering Information
Part No
EL6290CU
EL6290CL
EL6290CJ
Temp. Range
0°C to +75°C
0°C to +70°C
0°C to +70°C
Package
24-Lead QSOP
32-Lead QFN
32-Lead LPP
Outline #
MDP00040
MDP0045
MDP0046
General Description
The EL6290C is a highly integrated laser diode driver designed to sup-
port 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 cir-
cuitry 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 EL6290C operates on a 5V supply, but has a separate logical
interface supply for 3.3V interface operation.
The EL6290C is availiable in a 24-lead QSOP, or in a 32-lead QFN
package for improved thermal performance and reduced board area
usage.
Connection Diagrams
1 SDIO
2 SCLK
3 R/W
4 CLK
5 NRZ
6 VSL
7 GND
8 VSA
9 RFREQ
10 RSET
11 IAPC
12 GND
SEN 24
MON 23
VSO 22
OUT1 21
OUT1 20
GND 19
VSO 18
OUT2 17
OUT2 16
VSO 15
L/G 14
ENA 13
1 CLK
2 NRZ
3 VSL
4 GND
5 GND
6 NC
7 VSA
8 VSA
9 RFREQ
VSO 25
OUT1 24
OUT1 23
GND 22
VSO 21
VSO 20
OUT2 19
OUT2 18
VSO 17
Note: All information contained in this data sheet has been carefully checked and is believed to be accurate as of the date of publication; however, this data sheet cannot be a “controlled document”. Current revisions, if any, to these
specifications are maintained at the factory and are available upon your request. We recommend checking the revision level before finalization of your design documentation.
© 2001 Elantec Semiconductor, Inc.
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| EL6290C | Laser Diode Driver with Waveform Generator | Elantec Semiconductor |
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| EL6290CL | Laser Diode Driver with Waveform Generator | Elantec Semiconductor |
| EL6290CU | Laser Diode Driver with Waveform Generator | Elantec Semiconductor |
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