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ISL4089

更新时间： 2024-11-20 04:22:51
品牌 Logo 应用领域
英特矽尔 - INTERSIL 视频放大器
页数 文件大小 规格书
9页 345K
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DC-Restored Video Amplifier

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ISL4089 数据手册

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ISL4089  
®
Data Sheet  
June 28, 2006  
FN6192.1  
DC-Restored Video Amplifier  
Features  
The ISL4089 is complete DC-restored monolithic video  
amplifier sub-system. It contains a high performance video  
amplifier and a nulling, sample-and-hold amplifier designed  
to establish a programmable DC output level.  
• Complete video level DC-restoration system  
• 0.03% differential gain and 0.05° differential phase  
accuracy  
• 300MHz -3dB small signal bandwidth at A = 1  
V
When the HOLD logic input “0” is applied the DC restore  
function is active. The sample-and-hold amplifier loop is  
closed and used to null the DC offset of the video amplifier.  
This can occur during sync, or, at any time that a black level  
is expected. When the HOLD input “1” is applied, the  
correcting voltage is stored on the video amplifier’s input  
coupling capacitor. This condition must be true during active  
video. The restored DC voltage level can be adjusted using  
• 150MHz -3dB small signal bandwidth at A = 2  
V
• 300V/µs Slew Rate  
• 0.1dB flatness to 80MHz  
• +5V single supply operation  
• TTL/CMOS compatible hold signal  
• Pb-free plus anneal available (RoHS compliant)  
an external reference voltage applied to the V  
pin.  
REF  
The device operates from a single +5V supply and is ideal  
for +5V only systems when used with a sync separator, such  
as the EL1883.  
Applications  
• Input amplifier in video equipment  
• DC-restoration amplifier in video mixers  
The ISL4089 is intended to directly replace the EL4089 only  
in certain applications. This direct replacement requires that  
the single positive supply is no higher than +5.5V and that no  
part of the clamped output goes below ground. The NC on  
pin 6 is not internally connected, so it can be connected to  
the -5V pin in existing EL4089 applications.  
Related Documents  
• AN1261: ISL4089EVAL1 User’s Guide  
• AN1089: EL4089 and EL4390 DC-Restored Video  
Amplifier  
The ISL4089 is specified for operation over -40°C to +85°C  
temperature range.  
Ordering Information  
PART  
TAPE &  
PKG.  
PART NUMBER MARKING  
REEL PACKAGE DWG. #  
Pinout  
ISL4089IBZ  
(See Note)  
4089IBZ  
4089IBZ  
-
8 Ld SO  
(Pb-free)  
MDP0027  
MDP0027  
ISL4089  
(8 Ld SOIC)  
TOP VIEW  
ISL4089IBZ-T7  
(See Note)  
7”  
8 Ld SO  
(Pb-free)  
NOTE: Intersil Pb-free plus anneal products employ special Pb-free  
material sets; molding compounds/die attach materials and 100%  
matte tin plate termination finish, which are RoHS compliant and  
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-020.  
V+  
IN-  
-
+
VOUT  
N/C  
GND  
IN+  
VREF  
+
HOLD  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.  
Copyright © Intersil Americas Inc. 2006. All Rights Reserved.  
1
All other trademarks mentioned are the property of their respective owners.  
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