CXA1779P View Datasheet(PDF) - Sony Semiconductor
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CXA1779P Datasheet PDF : 10 Pages
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CXA1779P
Predriver for High Resolution Computer Displays
For the availability of this product, please contact the sales office.
Description
The CXA1779P is a bipolar IC developed for high
28 pin DIP (Plastic)
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
• Input D-range: 0.7Vp-p (min.)
Applications
High resolution computer displays
Absolute Maximum Ratings
• Supply voltage
Vcc
14
V
• Operating temperature
Topr –20 to +75 °C
• Storage temperature
Tstg –65 to +150 °C
• Allowable power dissipation PD
2.8
W
Structure
Bipolar silicon monolithic IC
Recommended Operating Conditions
Supply voltage
Vcc 12 ± 0.6 V
Block Diagram and Pin Configuration
(Top View)
Vcc 1
PEDESTAL
CLAMP
R IN 2
1.7VCLP SYNC
SLICE
R DRV 3
R CONTRAST
CONTROL
R GND 4
G IN 5
PEDESTAL
CLAMP
1.7VCLP SYNC
SLICE
G DRV 6
G CONTRAST
CONTROL
G GND 7
GAIN
+15dB
PIX
GAIN
+15dB
PIX
BLANK INC
ADD
OUTPUT-
BUFFER
28 R OUT
27 R S/H
BRIGHTNESS
BLK CONTROL
26 R BRT
CLP
BLANKING
ADD
OUTPUT-
BUFFER
25 RD GND
24 G OUT
BRIGHTNESS
BLK CONTROL
23 G S/H
CLP
22 G BRT
B IN 8
B DRV 9
B GND 10
REG 11
PIX 12
GND 13
CLP 14
PEDESTAL
CLAMP
1.7V
CLP SYNC
SLICE
GAIN
+15dB
B CONTRAST
CONTROL
PIX
PIX
RGB
CONTRAST
CONTROL
CLP
CLAMP
PULSE-
SHAPE
BLANKING
ADD
OUTPUT-
BUFFER
21 GO GND
20 B OUT
BLK BRIGHTNESS
CONTROL
19
B S/H
CLP
18 B BRT
BLK
BLANKING
PULSE-
SHAPE
17 BO GND
16 BLK
15 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.
–1–
E94510-ST
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