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EL6290CJ PDF预览

EL6290CJ

更新时间: 2024-11-20 23:14:47
品牌 Logo 应用领域
ELANTEC 驱动器二极管激光二极管
页数 文件大小 规格书
2页 140K
描述
Laser Diode Driver with Waveform Generator

EL6290CJ 数据手册

 浏览型号EL6290CJ的Datasheet PDF文件第2页 
EL6290C - Product Brief  
Laser Diode Driver with Waveform Generator  
Features  
General Description  
• 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  
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.  
• 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  
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.  
• Analog input supports APC  
• HFM oscillator programmable to  
100mAp-p from 200 to 500MHz  
• PLL allows reduced-frequency  
clock on flex cable  
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.  
• Separate serial input works up to  
25Mb/sec  
Connection Diagrams  
Applications  
• Combination DVD writable and  
CD writable drives  
• DVD Camcorders  
24  
1
SDIO  
SCLK  
R/W  
SEN  
MON  
VSO  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
• DVD Video Recorders  
2
3
CLK  
NRZ  
VSL  
GND  
GND  
1
2
3
4
5
6
7
8
9
25  
24  
23  
22  
21  
20  
19  
18  
17  
VSO  
OUT1  
OUT1  
GND  
4
CLK  
OUT1  
Ordering Information  
5
NRZ  
OUT1  
GND  
Part No  
EL6290CU  
EL6290CL  
EL6290CJ  
Temp. Range  
0°C to +75°C  
0°C to +70°C  
0°C to +70°C  
Package  
Outline #  
MDP00040  
MDP0045  
MDP0046  
6
VSL  
24-Lead QSOP  
32-Lead QFN  
32-Lead LPP  
VSO  
7
GND  
VSA  
VSO  
NC  
VSO  
8
OUT2  
VSA  
OUT2  
9
RFREQ  
RSET  
IAPC  
GND  
OUT2  
VSO  
L/G  
VSA  
OUT2  
VSO  
10  
11  
12  
RFREQ  
ENA  
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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