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Sony Semiconductor Electronic Components Datasheet

CXA2067S Datasheet

Preamplifier for High-Resolution Computer Display

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CXA2067S
Preamplifier for High-Resolution Computer Display
Description
The CXA2067S is a bipolar IC developed for high-
resolution computer displays.
30 pin SDIP (Plastic)
Features
Wide-band amplifier: 170 MHz@–3 dB (Typ)
Input dynamic range: 1.0 Vp-p (typ)
High gain preamplifier (17 dB)
R, G and B in a single package (SDIP 30 pins)
I2C bus control
Contrast control
Sub contrast control
Brightness control
OSD contrast control
Cut-off control: 4 channels of DAC output
2 blanking level modes
(0.5 V fixed, pedestal –0.3 V)
Sync separator for sync-on-green
Blanking mixing function
OSC mixing function
Video interval detection function
VBLK sync DAC refresh system
12 V power supply interlocked power saving
function
Absolute Maximum Ratings (Ta=25 °C, GND=0 V)
Supply voltage
VCC/R/G/B 14
V
VCC 7 V
Operating temperature Topr –20 to +75 °C
Storage temperature Tstg –65 to +150 °C
Allowable power dissipation
PD 2.05 W
Recommended Operating Conditions
Supply voltage
VCC/R/G/B 12±0.5
VCC 5±0.5
V
V
Applications
High-resolution computer displays
Structure
Bipolar silicon monolithic IC
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
—1—
E99213


Sony Semiconductor Electronic Components Datasheet

CXA2067S Datasheet

Preamplifier for High-Resolution Computer Display

No Preview Available !

Block Diagram
CXA2067S
SDA 1
SCL 2
COF R 3
I2C BUS
DECORDER
To each MODE SW
D/A CONVERTOR
CUTOFF (R)
CUTOFF (G)
CUTOFF (B)
CUTOFF (RGB)
CONTRAST
SUB CONTRAST (R)
SUB CONTRAST (G)
SUB CONTRAST (B)
OSD GAIN (R)
OSD GAIN (G)
OSD GAIN (B)
BRIGHTNESS (RGB)
LPF
COF G 4
COF B 5
COF RGB 6
RIN 7
5V
VCC 8
Rch
SUB
CONTRAST
CONTRAST
GAIN CONTROL DATA
GAIN
CONTROL
AMP
OSD YS
GENERATOR
BLANKING
MODE
BRIGHTNESS
BLANKING
BUFFER AMP BLANKING PULSE
OSD GAIN (R)
OSD SW
OSD PULSE (13PIN)
YS PULSE (17PIN)
SYNC SEP/VDET
GIN 9
SYNC IN 10
BIN 11
CLP 12
OSD-R 13
to
OSDSW
OSD-G 14
to
OSDSW
OSD-B 15
to
OSDSW
VDET
COMPARATOR
SYNC
SEPARATOR
Gch
Same as R channel
SVSW
Bch
Same as R channel
—2—
30 CSYNC/VDET
29 VCC R
12V
28 S/H-R
27 ROUT
26 GND-R
25 S/H-G
24 GOUT
23 GND-G
22 VCC G
12V
21 S/H-B
20 BOUT
19 GND-B
18 BLKING
17 YS
to
OSDSW
16
12V
VCC B


Part Number CXA2067S
Description Preamplifier for High-Resolution Computer Display
Maker Sony Corporation
Total Page 18 Pages
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