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Sony Semiconductor Electronic Components Datasheet

CXA2055P Datasheet

Preamplifier for High Resolution Computer Display

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CXA2055P pdf
CXA2055P
Preamplifier for High Resolution Computer Display
Description
The CXA2055P is a bipolar IC developed for high
resolution computer displays.
28 pin DIP (Plastic)
Features
Built-in wide band amplifier
(130 MHz/–3 dB typ.@4 Vp-p)
Input dynamic range : 1.0 Vp-p (typ.)
R, G and B in a single package
I2C bus control
Contrast control
Subcontrast control
Brightness control
OSD contrast control
Power save function
Input clamp pulse polarity selection
Output composite sync polarity selection
5-channel, 8-bit D/A
Blanking level control
Built-in sync separator (G channel only)
Built-in blanking mixing function
Built-in OSD mixing function
Built-in ABL function
Video interval detection function
Applications
High resolution computer displays
Structure
Bipolar silicon monolithic IC
Absolute Maximum Ratings (Ta=25 °C)
Supply voltage
VCC
14 V
Operating temperature
Topr
–20 to +75 °C
Storage temperature Tstg
–65 to +150 °C
Allowable power dissipation
PD 1794 mW
(when mounted on a 11.5 cm × 12.0 cm substrate)
Operating Conditions
Recommended supply voltage
VCC1
VCC2
12±0.5
5±0.25
1 SDA VDET/COFF-RGB 28
2 SCL DA/CSYNC/ABL 27
3 COFF-R
R-S/H 26
4 COFF-G
R-OUT 25
5 COFF-B
GND-R 24
6 RIN
G-S/H 23
7 VCC2
G-OUT 22
8 GIN
GND-G 21
9 SYNC CON
VCC1 20
10 BIN
B-S/H 19
11 CLP
B-OUT 18
12 OSD-R
GND-B 17
13 OSD-G
BLK 16
14 OSD-B
YS 15
V
V
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—
E96Z18-TE


Sony Semiconductor Electronic Components Datasheet

CXA2055P Datasheet

Preamplifier for High Resolution Computer Display

No Preview Available !

CXA2055P pdf
CXA2055P
SDA 1
SCL 2
COFF-R 3
I2C BUS
DECODER
To each MODE switch
D/A CONVERTER
BLANKING
VDET LEVEL
CUTOFF (R)
CUTOFF (G)
CUTOFF (B)
CUTOFF (RGB)
CONTRAST
SUB CONTRAST (R)
SUB CONTRAST (G)
SUB CONTRAST (B)
OSD GAIN
BRIGHTNESS (R)
BRIGHTNESS (G)
BRIGHTNESS (B)
PINSW
LOGIC
BRIGHTNESS (R, G, B)
PINSW1
PINSW0, 2
COFF-G 4
COFF-B 5
RIN 6
VCC2 7
5V
GIN 8
SYNC
CON
9
BIN 10
CLP
POL
CLP 11
Rch
SUB CONTRAST
ABL (27PIN)
OSD GAIN
CONTRAST
GAIN CONTROL DATA BLANKING
BRIGHTNESS
GAIN
CONTROL
AMP
OSD YS
GENERATOR
BLANKING
BUFFER AMP BLANKING PULSE
OSD LOGIC
OSD PULSE (12PIN)
YS PULSE (15PIN)
VDET, SYNC SEP
VDET LEVEL
VDET
COMPARATOR
SYNC
COMPARATOR
SYNC POL
Gch
Same as R channel
12V
28 VDET
/COFF-RGB
DA
27 /CSYNC
/ABL
26 R-S/H
25 R-OUT
24 GND-R
23 G-S/H
22 G-OUT
21 GND-G
20 VCC1
19 B-S/H
18 B-OUT
OSD-R 12
OSD-G 13
to OSD
LOGIC
OSD-B 14
to OSD
LOGIC
to OSD
LOGIC
Bch
Same as R channel
17 GND-B
16 BLK
15 YS
to OSD
LOGIC
—2—


Part Number CXA2055P
Description Preamplifier for High Resolution Computer Display
Maker Sony Corporation
Total Page 20 Pages
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CXA2055P pdf
CXA2055P Datasheet PDF
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