CXA2055P Datasheet, PDF (1/20 Pages) Sony Corporation – Preamplifier for High Resolution Computer Display

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 12±0.5
V
VCC2 5±0.25
V
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
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.
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E96Z18-TE