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Calogic LLC

CVA1775N Datasheet Preview

CVA1775N Datasheet

CRT Driver + DC Bias Amplifier

No Preview Available !

CORPORATION
CRT Driver
+ DC Bias Amplifier
Preliminary Data Sheet
CVA1775N
FEATURES
Little or No Heat Sink Required
Ease of Use
Rise Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <8ns
Fall Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <7ns
APPLICATIONS
14", 15", 17" Monitors with 70KHz Scanning Frequency
DESCRIPTION
The CVA1775N includes a cascode CRT driver and a DC bias
cutoff amplifier. All of the active components are inside the
CVA1775N. Only the passive components and protection diodes
are needed to drive a CRT tube. The CVA1775N can easily
drive 70KHz monitors. With the unique feature of DC bias
circuitry the printed circuit board will shrink as EMI performance
will be improved.
ORDERING INFORMATION
Part Package
CVA1775N
16-PDIP
Temperature
0oC to +110oC
SCHEMATIC, TEST CIRCUIT
GND-CUTOFF 1
2KW
CUTOFF-GAIN (L) 2
2KW
CUTOFF-GAIN (H) 3
33K W
IN-CUTOFF
4
100 W
5
VIN (VIDEO)
R GAIN
100 W
33W
47W
27pF
47W
6
7
8
.010pF
VBIAS (12V)
CVA1775N
16 BIASED-CUTOFF
33K W
15 BIASED-CUTOFF
14
1mF
13
15W
12
10mF
.01 mF
11
15W
10 1.5K W
R LOAD
9
1M
VOUTTO CRT
VOUT(DRIVER)
VCC (80V)
1U-21
CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025




Calogic LLC

CVA1775N Datasheet Preview

CVA1775N Datasheet

CRT Driver + DC Bias Amplifier

No Preview Available !

CVA1775N
CORPORATION
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (Driver Pin #12) . . . . . . . . . . . . . . . . . . . 100V
Supply Voltage (cutoff) . . . . . . . . . . . . . . . . . . . . . . . . . . 250V
Storage Temperature . . . . . . . . . . . . . . . . . . . -25oC to +125oC
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . 175oC
Operating Temperature (Case) . . . . . . . . . . . . . 0oC to +110oC
Lead Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . +300oC
CRT DRIVER DC ELECTRICAL CHARACTERISTICS Vs = 80V, CL = 12pF, VBIAS = 12V, VIN = 2.7V, RL = 1500Ω, TCASE = +25oC.
SYMBOL
CHARACTERISTICS
MIN
TYP
MAX
UNITS
Icc Supply Current
20 26 mA
VOUT DC
Output DC Level
44 50 56
V
Av (Driver)
Voltage Gain
13 15
V
CRT DRIVER AC ELECTRICAL CHARACTERISTICS Vs = 80V, CL = 12pF, VBIAS = 12V, VIN = 2.7V, RL = 1500Ω, TCASE = +25oC.
SYMBOL
CHARACTERISTICS
MIN
TYP
MAX
UNITS
Tr Rise Time
7.5 9 ns
Tf Fall Time
7.5 9
ns
Le Linearity
5%
OS Overshoot
3%
BIAS AMPLIFIER DC ELECTRICAL CHARACTERISTICS Supply Voltage = 150V, VB = 12Vsee test circuit.
SYMBOL
CHARACTERISTICS
TYP
MIN
MAX
UNITS
ICC
VOUT(LOW)
VOUT(HIGH)
Gain
Supply Current
Output Voltage
Output Voltage
Voltage Gain
5
66 60
121 118
13.8 12
5.5 mA
70 V
126 V
16 V/V
Gain
Gain Match
0.5
1 dB
Note 1. Calculate from voltage gain of each channel.
Note 2: VOUT at VIN = 5V, T = 25oC 100oC
CONDITIONS
VIN = 5V
VIN = 5V
VIN = 1V
VOUT/VIN
Note 1
CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025


Part Number CVA1775N
Description CRT Driver + DC Bias Amplifier
Maker Calogic LLC
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CVA1775N Datasheet PDF






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