CXA1779P
Predriver for High Resolution Computer Displays
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Description
28 pin DIP (Plastic)
The CXA1779P is a bipolar IC developed for high
resolution computer displays.
Features
• Wide bandwidth (150MHz/–3dB typ.)
• RGB single package
• Permits RGB common and independent contrast
control
• Permits RGB independent pedestal level control
Absolute Maximum Ratings
• Input D-range: 0.7Vp-p (min.)
• Supply voltage
Vcc
14
V
• Operating temperature
• Storage temperature
Topr –20 to +75 °C
Tstg –65 to +150 °C
Applications
High resolution computer displays
• Allowable power dissipation PD
2.8
W
V
Structure
Recommended Operating Conditions
Bipolar silicon monolithic IC
Supply voltage
Vcc
12 ± 0.6
Block Diagram and Pin Configuration
(Top View)
PEDESTAL
CLAMP
Vcc
1
R OUT
R S/H
28
27
26
25
24
23
22
21
20
19
18
17
16
15
OUTPUT-
BUFFER
BLANK INC
ADD
1.7V
CLP
SYNC
SLICE
GAIN
+15dB
R IN
R DRV
R GND
G IN
2
3
4
5
6
7
8
9
BRIGHTNESS
CONTROL
BLK
R CONTRAST
CONTROL
R BRT
RD GND
G OUT
G S/H
CLP
PIX
PEDESTAL
CLAMP
OUTPUT-
BLANKING
BUFFER
1.7V
CLP
ADD
GAIN
+15dB
SYNC
SLICE
BRIGHTNESS
CONTROL
BLK
G CONTRAST
CONTROL
G DRV
G GND
B IN
CLP
PIX
G BRT
GO GND
B OUT
B S/H
PEDESTAL
CLAMP
OUTPUT-
BLANKING
BUFFER
1.7V
ADD
CLP
SYNC
SLICE
GAIN
+15dB
B DRV
BRIGHTNESS
BLK
CONTROL
B CONTRAST
CONTROL
B GND 10
CLP
PIX
PIX
11
12
13
14
REG
PIX
B BRT
BO GND
BLK
RGB
CONTRAST
CONTROL
BLK
BLANKING
PULSE-
SHAPE
GND
CLP
CLP
CLAMP
PULSE-
SHAPE
N.C.
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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