CVA1775N 查看數據表（PDF） - Calogic, LLC
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CVA1775N Datasheet PDF : 3 Pages
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CORPORATION
CVA1775N
APPLICATION INFORMATION
The CVA1775N is a high voltage driver and DC bias amplifier
suitable for VGA, Super VGA, IBM® 8514, 1024 x 768
non-interlaced display applications. The CVA1775N features
80V and low power dissipation. The part is housed in the
industry standard 16-pin PDIP.
Thermal Considerations
The transfer characteristics of the CVA1775N application are
shown in Figure 1. Since this is a class A input stage, power
supply current increases as the input signal increases and
consequently power dissipation also increases.
The CVA1775N can be used without a heat sink. Under white
screen condition, i.e. 25V output, dissipation is 0.6W/channel.
Under gray level conditions CL =12pf, VOUT = 45P-P, the
dissipation is 1.1W/channel.
The output of CVA1775N is not short circuit proof.
TYPICAL CHARACTERISTICS
7.25V
RISE TIME
FIGURE 1. CVA1775N DC CHARACTERISTICS
80
2
1.8
70
1.6
60
1.4
50
1.2
1.0
40
0.8
30
0.6
0.4
20
0.2
10
0
0
-0.2
VOUT
VIN (VOLTS)
Q3-POWER
POWER/OUTPUT STAGE
1T-25
7.25V
FALL TIME
-2.75V
8.25V
20ns/DIV
1S-49
CROSS HATCH
WHITE BACKGROUND
-2.75V
8.25V
20ns/DIV
1S-50
CROSS HATCH
BLACK BACKGROUND
-2.75V
20ns/DIV
1T-01
-1.75V
20ns/DIV
1T-02
Information furnished by Calogic is believed to be accurate and reliable. However, no responsibility is assumed for its use: nor for any infringement of patents or other
rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent rights of Calogic.
CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025
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