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Sony Semiconductor Electronic Components Datasheet

CXA1812Q Datasheet

S-terminal Compatible Video I/O

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S-terminal Compatible Video I/O
CXA1812Q
Description
The CXA1812Q is an IC developed for processing
video I/O signals in VCRs. This IC has a built-in
video output circuit designed especially for use with
viewfinders (VF), making this IC optimal for use in
camcorders. In addition, both the video input
system and the viewfinder video output system
provide title insertion functions, making it possible to
insert characters and graphics into video signals.
Features
Built-in video output circuit for use with viewfinders
(title insertion function (white or black character),
compatible with SY/C and composite video output)
Built-in C system EE/PB switch
EE : Electric-Electric monitor mode
Title insertion function (white or black character)
C MUTE function for playback in PAL mode
(Outputs C signal used for generating the
composite video signal)
Built-in switch for switching between the two input
systems, Y and C
Built-in 75 driver for the two input systems, Y
and C
(with power saving function)
32 pin QFP (Plastic)
Absolute Maximum Ratings (Ta=25 °C)
Supply voltage
VCC 7 V
Operating temperature Topr –20 to +75 °C
Storage temperature Tstg –65 to +150 °C
Allowable power dissipation
PD 450 mW
Operating Conditions
Supply voltage
VCC 4.75 V
Supply voltage range VCC 4.5 to 5.25 V
Structure
Bipolar silicon monolithic IC
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—
E93701A79-TE


Sony Semiconductor Electronic Components Datasheet

CXA1812Q Datasheet

S-terminal Compatible Video I/O

No Preview Available !

Block Diagram and Pin Configuration
CXA1812Q
24 23 22 21 20 19 18 17
YIN2 25
GND 26
CIN1 27
Y/VSEL 28
CIN2 29
YOUTGND 30
YOUT 31
YINVIN 32
CLAMP
CLAMP
DRIV
DDS1
MUTE1
MUTE2
DDS2
MUTE3
BUFF
CLAMP
CLAMP
16 VOB
15 COUT1
14 VCC
13 YIN
12 P.SAVE
11 EVFYIN
10 SEL1
9 YOUTVCC
12 3 4 5 6 78
—2—


Part Number CXA1812Q
Description S-terminal Compatible Video I/O
Maker Sony Corporation
Total Page 22 Pages
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