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Triple CRT Driver
OUT
OUT
11
10
9
8
7
6
5
4
3
2
1
IN
TOP VIEW
T11A PACKAGE
V 2
V 1
V
V 2
BIAS
V
CC
1L-38
OUT
V 3
IN
V 3
IN
V 1
GND
GND
GND
1T-18B
6
V
CC
1,3,5
V
O
11,9,8
V
IN
7,4,2,TAB
10
V
BIAS
CORPORATION
Preliminary Product Information
CVA2404T
FEATURES
•• Rise/Fall Ti me. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.0ns
•• Swing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65V
P-P
•• Supply Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90V
APPLICATIONS
•• CRT driver for up to 72kHz monitor s with resolutio n up
to 12 80 x 1 02 4.
CONNECTION DIAGRAM
DESCRIPTION
The CVA2404T contains three high impedance, wideband
amplifiers, designed specificall y to dr ive a CRT. The device can
drive monitors with resolutions up to 1280 x 1024 (non-interlaced)
with pixel frequencies of 180MHz.
The product is housed in the industry standard 11 lead
TO-220 m olded power package.
ORDERING INFORMATION
Part Package Temperature
o
CVA2404T T11A -20
C to +100oC
CALOGIC CORPOR ATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-65 6-2900 , FAX: 510-651-3025
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CORPORATION
ABSOLUTE MAXIMUM RATINGS
Supply Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95V
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16W
Storage Tempera tu re. . . . . . . . . . . . . . . . . . . -25
o
C to +125oC
CVA2404T
Operating Temperature . . . . . . . . . . . . . . . . . -20
Lead Temperat ure . . . . . . . . . . . . . . . . . . . . . . . . . . . . +300
o
C to +100oC
o
C
DC ELECTRICAL CHARACTERIST ICS Vs = 80V, DC
INPUT BIAS
= 12V, VIN = 2.4V, T
CASE
= +25oC.
See Figure 1.
SYMBOL CHARACTERISTICS MIN TYP MAX UNITS
I
cc
V
OUT DC
A
v
AC ELECTRICAL CHARACTERIST ICS Vs = 80V, CL = 8pF, DC
Supply Current @ 1MHz 28 mA
Output DC Level 45 50 55 V
Voltage Gain 13 15 17 V
Gain Matc h ing 0.2 dB
INPUT BIAS
= 12V, VIN = 2.4V, V
OUT
= 50V
p-p
. T
CASE
= +25oC.
See Figure 1.
SYMBOL CHARACTERISTICS MIN TYP MAX UNITS
T
r
T
f
L
e
OS Overshoot 5 %
Rise Time 6 ns
Fall Time 6ns
Linearity 5%
FIGURE 1. TEST CIRCUIT
V
CC
C4C3
V
BIAS
C2C1
VIDEO
INPUT
10
V
IN
11,9,8
6
CVA2404T
7,4,2
V
OUT
1,3,5
D1
D2
C6
TEKTRONIX
FET PROBE
MODEL 6201
(CAP. 1.5pF)
GND,TAB
C1 = 0.01mF
m
C2 = 100
C3 = 0.1
F
F
m
C4 = 100
C6 = 8pF
F
m
D1, D2 = FHD400
1T-19
CALOGIC CORPOR ATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-65 6-2900 , FAX: 510-651-3025
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CVA2404T
1T-20
GND,TAB
V
BIAS
C1 = 0.01mF
C2 = 100
m
F
C3 = 0.1
m
F
C4 = 100
m
F
C5 = 2.2
m
F
D1, D2 = FHD400
L = 330 - 390nH
R3 = 47
W
R4 = 47(1/2W)
W
R7 = 33
W
R8 = 39
W
R10 = 680
W
R3
R4
C4C3
C2C1
D2
D1
V
CC
10
1,3,5
V
OUT
C5
SPARK
GAP
CVA2404T
R5
L
V
IN
VIDEO
INPUT
11,9,8
DC BIAS
7,4,2
6
FIGURE 2. APPLICATION CIRCUI T
CORPORATION
Inform at ion furni shed by Calogic is believed to be accurate and reliable. Howe ver, no responsibility is assum ed for its use: nor for any in fring eme nt of pate nts 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 Wh itn ey Place, Fremont, California 94539, Telephone: 510-65 6-2900, FAX: 510-651-3025
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