|
|
零件编号 | GB4570 | ||
描述 | Monolithic Video Buffer/Clamp | ||
制造商 | Gennum | ||
LOGO | |||
1 Page
GB4570 Monolithic
Video Buffer/Clamp
DATA SHEET
FEATURES
• accurate sync tip clamping (± 2 mV typical)
• less than 1 mV clamping distortion
• variable clamping voltage (VEE + 3 V to VCC -4.5 V)
www.DataSheet4U.com
• ultra low differential gain and differential phase
• less than ± 0.15° phase delay variation at 3.58 MHz
• ± 0.1 dB flatness to 80 MHz
• ± 4.5 to ±13.2 V supply voltage range
DESCRIPTION
The GB4570 is a high performance video buffer/clamp used
primarily for sync tip clamping of video signals. Key features
include operation from ± 4.5 to ± 13.2 V supply voltages, ± 0.1
dB flatness to 80 MHz and availability of industry standard DIP
and SOIC packages.
In a typical video application, the GB4570 clamps the sync tip
to a known voltage. The clamping level can be set for normal
sync tip clamping by connecting pin 3 to - 0.286 volts. For
applications requiring non-standard sync tip clamping, the
clamping voltage applied to pin 3 may be varied.
The GB4570 features a tight delay spread of only ± 0.15° at
color burst frequencies and less than ± 1 millivolts clamping
distortion.
PIN CONNECTIONS
GB4570
GND
VIN
VCLAMP
CHOLD
1
2
3
4
8
7
6
5
VCC
VOUT
VEE
NC
AVAILABLE PACKAGING
APPLICATIONS
• Sync tip clamping of NTSC, PAL, SECAM and RGB
Video Signals
• Input buffering and clamping
• Inter-system video signal clamping
SIMPLIFIED CIRCUIT DIAGRAM
VCC
8
8 pin PDIP
8 pin SOIC
VIN 2
COUPLING
CAP
ORDERING INFORMATION
Part Number Package
GB4570-CDA 8 pin PDIP
Temperature Range
0° to 70°C
GB4570-CKA 8 pin SOIC
0° to 70°C
GB4570-CTA 8 pin SOIC Tape 0° to 70°C
-
50k +
4
CHOLD
7 VOUT
6 VEE
3 VCLAMP
Document No. 521 - 18 - 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
|
|||
页数 | 5 页 | ||
下载 | [ GB4570.PDF 数据手册 ] |
零件编号 | 描述 | 制造商 |
GB4570 | Monolithic Video Buffer/Clamp | Gennum |
GB4571 | Video Buffer with Precision Strobed DC Restore | ETC |
GB4571-CDA | Video Buffer with Precision Strobed DC Restore | ETC |
GB4571-CKA | Video Buffer with Precision Strobed DC Restore | ETC |
零件编号 | 描述 | 制造商 |
STK15C88 | 256-Kbit (32 K x 8) PowerStore nvSRAM | Cypress Semiconductor |
NJM4556 | DUAL HIGH CURRENT OPERATIONAL AMPLIFIER | New Japan Radio |
EL1118-G | 5 PIN LONG CREEPAGE SOP PHOTOTRANSISTOR PHOTOCOUPLER | Everlight |
DataSheet8.cn | 2020 | 联系我们 | 搜索 | Simemap |