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参数资料
| 型号： | EL6291CY |
| 英文描述： | Laser Diode Driver with Waveform Generator |
| 中文描述： | 激光二极管驱动器，带有波形发生器 |
| 文件页数： | 1/2页 |
| 文件大小： | 138K |
| 代理商： | EL6291CY |
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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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
0.17 nsec 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 200MHz to
600MHz
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
Temp. Range
Package
Outline #
EL6291CY
0°C to +70°C
32-Pin QFN
MDP0045
EL6291CL
0°C to +70°C
32-Pin LPP
MDP0046
General Description
The EL6291C 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 EL6291C requires 3.3V and 5V supplies, with all the logical
interface operating on the 3.3V supply.
The EL6291C is available in 32-pin LPP and 32-pin QFN packages
for improved thermal performance and reduced footprint.
Connection Diagram
25
24
23
22
21
20
19
32
31
30
29
28
10
11
12
13
14
1
2
3
4
5
6
7
Thermal Pad
CLK
NRZ
VSL
GND
NC
VSL
VSO
OUT1
GND
VSO
OUT2
R
/W
SC
LK
SD
IO
SE
N
BU
SY
RS
ET
IA
PC
NC
G
N
D
G
N
D
8
9
15
16
18
17
27
26
OUT2
VSO
VSA
RFREQ
EN
A
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VS
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32-Pin LPP Top View
EL6291C - Product Brief
Laser Diode Driver with Waveform Generator
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相关代理商/技术参数 |
参数描述 |
|---|---|
| EL6293 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Laser Diode Driver with Waveform Generator |
| EL6293C | 制造商:ELANTEC 制造商全称:ELANTEC 功能描述:Laser Diode Driver with Waveform Generator |
| EL6293CL | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Laser Diode Driver with Waveform Generator |
| EL6293CL-T13 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Laser Diode Driver with Waveform Generator |
| EL6293CL-T7 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Laser Diode Driver with Waveform Generator |
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