Calogic LLC CVA2400A Datasheet
CORPORATION
1Q-42
GND
TAB
7
9
V
CC
11,10,8
V
BIAS
V
OUT
1,3,5
V
IN
2,4,6
Gain/Peaking
Control
= 1200
W
R
1
50
W
Low Cost
Triple CRT Driver
Preliminary Data Sheet
CVA2400A
FEATURES
•• Rise/Fall Ti me. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.0ns
•• Swing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65V
•• Supply Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90V
APPLICATIONS
•• CRT driver for up to 76kHz Mo nito rs
•• Excellent Gray Scale Linearity
•• Emitter Peaki n g Option
•• Adjustabl e Gain
CONNECTION DIAGRAM AND SIM PLIFI ED SCHEM ATIC
11
10
9
8
7
6
5
4
3
2
1
GND = TAB
TOP VIEW
T11A PACKAGE
1
V
OUT
2
V
OUT
V
CC
3
V
OUT
V
BIAS
Gain/Peaking
Control
3
V
IN
Gain/Peaking
Control
2
V
IN
Gain/Peaking
Control
V
1
IN
P-P
1N-22
DESCRIPTION
The CVA2400A contains three wide band triple amplifiers,
specifically designed to drive a CRT. It features no crossover
distortion for excellent gray scale linearity, external emitter
peaking to maximize the high frequency gai n at the cross hatch
pattern and an adjustable gain for ease of use. This device can
drive monitors with resolutions of 1280 X 1024 (interlaced) with
pixel frequencies of 176MHz.
The part is housed in the industry standard 11-lead TO-220
molded power pack age. The heat sink is gr ounded.
ORDERING INFORMATION
Part Package Temperature
o
CVA2400A T11A 0
3
2
1
C to +1 1 0oC
CALOGIC CORPOR ATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-65 6-2900 , FAX: 510-651-3025
CVA2400A
GND
TAB
1Q-43
V
IN
V
BIAS
C1 = 0.01mF
C2 = 100
m
F
C3 = 0.1
m
F
C7 = 40pF (TYP)
D1, D2 = FHD400
R1 = 82
W
R2 = 15
W
C4 = 100mF
C6 = 8pF
R2
R1
C6
C4C3
C2C1
D2
D1
VIDEO
INPUT
V 9
CC
1,3,5
7
11,10,8
V
OUT
C7
V
PG
2,4,6
TEKTRONIX
FET PROBE
MODEL 620 1
(CAP. 1.5pF)
CVA2400A
ABSOLUTE MAXIMUM RATINGS
Supply Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100V
Storage Tempera tu re. . . . . . . . . . . . . . . . . . . -25
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . +175
o
C to +125oC
o
CORPORATION
Case Temperatur e. . . . . . . . . . . . . . . . . . . . . . . 0
Lead Temperat ure . . . . . . . . . . . . . . . . . . . . . . . . . . . . +300
o
C to +1 1 0oC
o
C
C
DC ELECTRICAL CHARACTERISTICS Vs = 80V, CL = 8pF, DC
INPUT BIAS
= 12V, VIN = 3.2V, V
OUT
= 50V
p-p
. T
CASE
= +25oC.
See Figure 1.
SYMBOL CHARACTERISTICS MIN TYP MAX UNITS
I
cc
V
OUT DC
A
v
R
IN
AC ELECTRICAL CHARACTERISTICS Vs = 80V, CL = 8pF, DC
Supply Current 30 35 40 mA
Output DC Level 40 45 50 V
Voltage Gain 14 14.4 15 V
Input Impedance 10,000 12,000 20,000 Ω
Gain Matc h ing 0.2 0.7 dB
INPUT BIAS
= 12V, VIN = 3.2V, V
OUT
= 45V
p-p
. T
CASE
= +25oC.
See Figure 1.
SYMBOL CHARACTERISTICS MIN TYP MAX UNITS
T
r
T
f
L
e
OS Overshoot 3 7 %
Rise Time 6 7 ns
Fall Time 4.5 5.5 ns
Linearity 6%
FIGURE 1. TEST CIRCUIT
CALOGIC CORPOR ATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-65 6-2900 , FAX: 510-651-3025
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