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參數(shù)資料
| 型號(hào)： | GB4551-CSA |
| 英文描述： | Analog Buffer/Voltage Follower |
| 中文描述： | 模擬緩沖器/電壓跟隨 |
| 文件頁(yè)數(shù)： | 1/5頁(yè) |
| 文件大?。?/td> | 140K |
| 代理商： | GB4551-CSA |
FEATURES
accurate clamping to within
±
1mV
ultra low differential gain (0.03% typ.)
and differential phase (0.03
o
typ.)
wideband unity gain, can typically be flattened to
±
0.1dB at 30MHz
can be configured as a gain stage with reduced
bandwidth.
drives 100pF loads
convenient 8 pin SIP packaging
Pin No.
GB4551
Function
1
2
3
4
5
6
7
8
+IN
V
CC
STB
GND
C
X
V
EE
- IN
OUT
non-inverting input
positive power supply
strobe
ground
external capacitor
negative power supply
inverting input
output
ORDERING INFORMATION
Part Number Package Type Temperature Range
GB4551-CSA 8 Pin SIP
0 to 70
o
C
GENNUM CORPORATION P.O. Box 489, Stn A, Burlington, Ontario, Canada L7R 3Y3 tel. (905) 632-2996 fax: (905) 632-2055
Japan Branch: B-201 Miyamae Village, 2-10-42 Miyamae, Suginami-ku Tokyo 168, Japan tel. (03) 3247-8838 fax: (03) 3247-8839
DATA SHEET
GB4551 Video Buffer with
Strobed DC Restore
Document No. 520 - 52 - 2
DESCRIPTION
The GB4551 is a high performance video buffer with DC
restore primarily used for accurate back porch clamping.
The circuit features a wideband differential amplifier that
can be configured as a gain stage. The output signal
voltage is limited to +2V above the clamp level in order to
prevent damage to crosspoints or other circuits connected
to the output.
The clamping action occurs when the STROBE (STB)
input is taken to ground. A typical application would be for
DC restoration during the back porch period. In this case
the negative-going back porch pulse would be derived
from an external sync separator circuit.
The GB4551 will operate from
±
9V to
±
12V power supplies
and will directly interface with Gennum’s video crosspoint
switches. The 8 pin SIP package is ideally suited for
space restricted board layouts.
APPLICATIONS
Input buffering and DC restoration to crosspoint switches
Accurate back porch video signal clamping
Inter-circuit buffering and DC restoration.
V
CC
500
10k
–IN
OUT
C
X
30k
+IN
V
EE
STROBE
12pF
10k
GND
(+2V OUTPUT CLAMP)
7mA
NOM.
+
-
+
-
SIMPLIFIED CIRCUIT DIAGRAM
All resistors in ohms, all capacitors in microfarads unless otherwise stated.
PIN CONNECTIONS
1 2 3 4 5 6 7 8
GB4551
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| GB4600 | Wideband Unity Gain Voltage Follower |
| GB4600-CDA | Analog Buffer/Voltage Follower |
| GB4600-CKA | Analog Buffer/Voltage Follower |
| GB570 | GB570 - DynamEQ? II WDRC IC |
| GC570 | GC570 - DynamEQ? II WDRC IC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| GB4570 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Monolithic Video Buffer/Clamp |
| GB4570-CDA | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:Monolithic Video Buffer/Clamp |
| GB4570-CKA | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:Monolithic Video Buffer/Clamp |
| GB4570-CTA | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Monolithic Video Buffer/Clamp |
| GB4571 | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:Video Buffer with Precision Strobed DC Restore |
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