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CXA1645P Datasheet(PDF) 1 Page - Sony Corporation

Part No. CXA1645P
Description  RGB Encoder
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Maker  SONY [Sony Corporation]
Homepage  http://www.sony.co.jp
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Description
The CXA1645P/M is an encoder IC that converts
analog RGB signals to a composite video signal. This
IC has various pulse generators necessary for
encoding. Composite video outputs and Y/C outputs for
the S terminal are obtained just by inputting composite
sync, subcarrier and analog RGB signals.
It is best suited to image processing of personal
computers and video games.
Features
• Single 5V power supply
• Compatible with both NTSC and PAL systems
• Built-in 75
Ω drivers
(RGB output, composite video output, Y output, C
output)
• Both sine wave and pulse can be input as a
subcarrier.
• Built-in band pass filter for the C signal and delay
line for the Y signal
• Built-in R-Y and B-Y modulator circuits
• Built-in PAL alternate circuit
• Burst flag generator circuit
• Half H killer circuit
Applications
Image processing of video games and personal
computers
Block Diagram and Pin Configuration
Structure
Bipolar silicon monolithic IC
Absolute Maximum Ratings
• Supply voltage
VCC
14
V
• Operating temperature Topr
–20 to +75
°C
• Storage temperature
Tstg
–65 to +150
°C
• Allowable power
PD CXA1645P 1250 mW
dissipation
CXA1645M
780 mW
Recommended Operating Condition
Supply voltage
VCC1, 2 5.0 ± 0.25
V
– 1 –
CXA1645P/M
E93411A41-ST
RGB Encoder
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.
24 pin DIP (Plastic)
24 pin SOP (Plastic)
BPF
PHASE
SHIFTER
R-Y
Modulator
B-Y
Modulator
PULSE
GEN
VIDEO
OUT
75
DRIVER
75
DRIVER
REGULATOR
SYNC
ADD
CLAMP
DELAY
Y/C
MIX
R-OUT
G-OUT
B-OUT
CLAMP
CLAMP
CLAMP
SIN-PULSE
2
3
4
5
1
8
9
6
7
11
12
10
15
16
17
13
14
18
19
20
21
22
23
24
SYNCIN
YCLPC
BFOUT
NPIN
SCIN
BIN
GIN
RIN
GND1
NC
VCC1
NC
COUT
YOUT
YTRAP
FO
VCC2
BOUT
GOUT
ROUT
GND2
VREF
IREF
CVOUT
For the availability of this product, please contact the sales office.




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