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GB4571-CKA PDF预览

GB4571-CKA

更新时间: 2024-11-19 07:01:07
品牌 Logo 应用领域
GENNUM 放大器光电二极管
页数 文件大小 规格书
5页 152K
描述
Video Buffer with Precision Strobed DC Restore

GB4571-CKA 技术参数

生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP,针数:8
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.82商用集成电路类型:CONSUMER CIRCUIT
JESD-30 代码:R-PDSO-G8功能数量:1
端子数量:8最高工作温度:70 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE认证状态:Not Qualified
最大压摆率:30 mA最大供电电压 (Vsup):13.2 V
最小供电电压 (Vsup):4.5 V表面贴装:YES
温度等级:COMMERCIAL端子形式:GULL WING
端子位置:DUALBase Number Matches:1

GB4571-CKA 数据手册

 浏览型号GB4571-CKA的Datasheet PDF文件第2页浏览型号GB4571-CKA的Datasheet PDF文件第3页浏览型号GB4571-CKA的Datasheet PDF文件第4页浏览型号GB4571-CKA的Datasheet PDF文件第5页 
GB4571 Video Buffer with  
Precision Strobed DC Restore  
DATA SHEET  
FEATURES  
DESCRIPTION  
The GB4571 is a high performance video buffer with DC  
restore used primarily for accurate back porch clamping. Key  
features include operation from ±4.5 V to ±13.2 V supply  
voltages, fast recovery from sudden changes in DC offset,  
±0.1dBflatnessto80MHzandavailabilityofindustrystandard  
DIP and SOIC packages.  
accurate clamping to within ± 1 mV  
less than 1 mV clamping distortion  
variable clamping range (VEE + 3.0 V to VCC - 4.5 V)  
ultra low differential gain and differential phase  
fast recovery from sudden changes in DC offsets  
less than ± 0.15° phase delay variation at 3.58 MHz  
± 0.1 dB flatness to 80 MHz  
In the typical back porch clamping application, a negative  
going back porch pulse from an external sync separator (such  
astheGS4881orGS4882)isappliedtotheGB4571'sSTROBE  
input. While STROBE is low, the GB4571 determines the  
correct DC level shift that should be applied to the input signal  
by integrating over the entire back porch period. This reduces  
sensitivity to noise and improves the accuracy of the DC  
restoration compared to systems using sample and hold  
techniques. Typical clamping accuracy of ±1 mV is achieved  
by the GB4571.  
± 4.5 V to ±13.2 V supply voltage range  
PIN CONNECTIONS  
GB4571  
APPLICATIONS  
8
7
6
5
1
2
3
4
VCC  
CHOLD  
VIN  
• Clamping of NTSC, PAL, SECAM & RGB Video Signals  
• Multimedia Graphics Overlay  
• Production Switchers  
VOUT  
VEE  
VCLAMP  
STROBE  
• Linear Keyers  
GND  
SIMPLIFIED CIRCUIT DIAGRAM  
AVAILABLE PACKAGING  
V
CC  
8
8 pin PDIP  
V
IN  
2
8 pin SOIC  
COUPLING  
CAP  
V
OUT  
7
6
ORDERING INFORMATION  
V
EE  
Part Number  
Package  
Temperature Range  
NON-LNEAR  
V TO I  
CONVERTER  
-
HIGH Z  
BUFFER  
+
GB4571-CDA  
8 pin PDIP  
0° to 70°C  
3
4
V
CLAMP  
GB4571-CKA  
GB4571-CTA  
8 pin SOIC  
0° to 70°C  
0° to 70°C  
STROBE  
8 pin SOIC Tape  
5
1
GND  
C
HOLD  
Document No. 521 - 17 - 01  
GENNUM CORPORATION P.O. Box 489, Stn A, Burlington, Ontario, Canada L7R 3Y3 tel. (905) 632-2996 fax: (905) 632-2055  
Japan Branch: A-302, Miyamae Village, 2-10-42, Miyamae, Suginami-ku, Tokyo 168, Japan  
tel. (03) 3247-8838 fax. (03) 3247-8839  

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