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Calogic LLC

CVA3424 Datasheet Preview

CVA3424 Datasheet

185MHz CRT Driver

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CORPORATION
185MHz CRT Driver
CVA3424A / CVA3424
FEATURES
Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185MHz
Rise/Fall Time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5ns
Swing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40VP-P
•• Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80V
APPLICATIONS
CRT Driver for 2000 x 1600, 1600 x 1280 and 1280 x 1024
Monitors
DESCRIPTION
The CVA3424 Family is a video driver amplifier designed
specially to drive high resolution color monitors. With rise and
fall time of under 2.5ns and 185MHz bandwidth, this device
will provide excellent drive capability for the 2000 x 1600,
1600 x 1280 and 1280 x 1024 monitors.
ORDERING INFORMATION
Part Package
CVA3424AT
CVA3424T
TO-220
TO-220
Temperature
-20oC to +90oC
-20oC to +90oC
CONNECTION DIAGRAM AND SIMPLIFIED SCHEMATIC
11
Vcc
10
NC
9
Vout
8
GND
7
GND
6
GND
5
NC
4
NC
3
Vin
2
NC
1
NC
PIN 1 DESIGNATOR
T11A
1C-04
VCC
11
RF
3.66k
Vin
3
R B 142
CVA3424
Vout
9
GND
6,7,8
1B-04




Calogic LLC

CVA3424 Datasheet Preview

CVA3424 Datasheet

185MHz CRT Driver

No Preview Available !

CVA3424A / CVA3424
CORPORATION
ABSOLUTE MAXIMUM RATINGS
Supply Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85V
Storage Temperature . . . . . . . . . . . . . . . . . . -25oC to +100oC
Operating Temperature . . . . . . . . . . . . . . . . . -20oC to +90oC
Lead Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . +300oC
DC ELECTRICAL CHARACTERISTICS VS = 80V, CL = 10pF, Vout = 40Vp-p. See Figure 1. TA = +125oC unless otherwise noted.
SYMBOL
CHARACTERISTICS
MIN
TYP
MAX
UNITS
ICC Supply Current
45 55 mA
VinDC
Iput DC Level
1.4 1.6 1.8
V
VoutDC
Output DC Level
34 40 46
V
AV Voltage Gain
11 13 15
V
Gain Matching
0.2 dB
AC ELECTRICAL CHARACTERISTICS VS = 80V, CL = 10pF, Vout = 40Vp-p. See Figure 1. TA = +125oC unless otherwise noted.
SYMBOL CHARACTERISTICS
CVA3424A
MIN TYP MAX
CVA3424
MIN TYP MAX
UNITS
tr Rise Time
2.2 2.9
2.5 3.5
ns
tf Fall Time
2.5 2.9
2.7 3.5
ns
BW Bandwidth
185
150 MHz
Le Linearity
5
5%
OS / US Overshoot / Undershoot
8
8%
FIGURE 1. TEST CIRCUIT
INPUT
C3
C2
R1
R4
11
VCC
3
CVA3424
Vin
9
Vout
R2
R5
C4
D1
R6
D2
6,7,8
GND
R1 = 270
R2 = 12k (1 W)
R4 = 300k
R5 = 15
R6 = 15
C2 = Variable 4 to 150pF
Typical 27pF
C3 = 46pF
C4 = 10 µf/160V
C6 = 0.01 µf/160V
CL = 10pF (Including
Parasitics)
VC C
1
C6
L1
OUTPUT
CL
D1 = DS464
D2 = DS464
L1 = 150nH
1B-05


Part Number CVA3424
Description 185MHz CRT Driver
Maker Calogic LLC
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CVA3424 Datasheet PDF






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