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EL6839CLZ PDF预览

EL6839CLZ

更新时间: 2024-11-11 21:54:35
品牌 Logo 应用领域
英特矽尔 - INTERSIL 振荡器驱动器
页数 文件大小 规格书
2页 103K
描述
Dual 4-Channel Driver with Oscillator and LVDS

EL6839CLZ 数据手册

 浏览型号EL6839CLZ的Datasheet PDF文件第2页 
EL6839  
®
Data Sheet  
July 15, 2004  
FN7227.2  
PRELIMINARY  
Dual 4-Channel Driver with Oscillator and  
LVDS  
Features  
• Two channels for CD or DVD  
The EL6839 is a high performance,  
dual output, laser driver for writeable  
DVD drives. The ENA pin enables the  
• Voltage-controlled output current source requiring one  
external set resistor per channel  
• LVDS interface  
• Rise time = 0.8ns  
• Fall time = 0.8ns  
• Channel 2 to 250mA max  
• Channel 3 to 150mA max  
• Channel 4 to 100mA max  
• External 100LVDS termination  
• On chip oscillator with frequency and amplitude control by  
use of external resistors to ground  
chip, while the SEL1 pin selects the I  
pin. Various  
OUT  
waveforms can be generated where the amplitude is  
determined by the currents flowing into I , I , I , and  
INR IN2 IN3  
I
. The timing is determined by the signals at WEN2-  
IN4  
WEN2B, WEN3-WEN3B, and WEN4-WEN4B. The oscillator  
is enabled when OSEN is high. The amplified I current of  
INR  
the selected channel is enabled when the ENA pin is high.  
The total output current is the sum of the read current, the  
enabled write currents, and the oscillator current when  
enabled.  
• Oscillator frequency to 600MHz  
Usually a voltage DAC will drive a resistor that is in series  
with the I  
, I , I , and I  
input. The resistor allows  
• Oscillator amplitude to 100mA  
INR IN2 IN3  
IN4  
P-P  
the user to optimize the current gain for each channel.  
• Single +5V supply (±10%)  
• Chip ENAs for power savings  
• Pb-free available  
WEN2-WEN2B, WEN3-WEN3B and WEN4-WEN4B are  
LVDS input pins with 100external termination. Output write  
current pulses are enabled when a high is applied to the  
WEN2-WEN2B, WEN3-WEN3B, or WEN4-WEN4B pin. The  
write current will flow to the selected output. When SEL1 is  
Applications  
• Super combo drives  
• DVD drives  
high I  
is selected. WENRB enables read and oscillator  
OUT1  
current when low.  
The RF oscillators frequency is determined by R  
or  
FREQ1  
R
, and its amplitude by R  
or R .  
AMP2  
FREQ2  
AMP1  
Ordering Information  
PART  
NUMBER  
EL6839CL  
TEMP. RANGE  
32-Pin QFN  
32-Pin QFN  
32-Pin QFN  
PACKAGE  
PKG. DWG. #  
MDP0046  
MDP0046  
MDP0046  
MDP0046  
-
7”  
13”  
-
EL6839CL-T7  
EL6839CL-T13  
Get FULL DATASHEET  
EL6839CLZ  
(See Note)  
32-Pin QFN  
(Pb-free)  
EL6839CLZ-T7  
(See Note)  
32-Pin QFN  
(Pb-free)  
7”  
MDP0046  
MDP0046  
EL6839CLZ-  
T13 (See Note)  
32-Pin QFN  
(Pb-free)  
13”  
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.  
1
1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.  
Copyright © Intersil Americas Inc. 2004. All Rights Reserved. Elantec is a registered trademark of Elantec Semiconductor, Inc.  
All other trademarks mentioned are the property of their respective owners.  

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