CXA2025 데이터 시트보기 (PDF) - Sony Semiconductor
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CXA2025 Datasheet PDF : 37 Pages
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CXA2025AS
Y/C/RGB/Sync/Deflection for Color TV
Description
The CXA2025AS is a bipolar IC which integrates
the luminance signal processing, chroma signal
processing, RGB signal processing, and sync and
deflection signal processing functions for NTSC
system color TVs onto a single chip.
The following functions have been added to the
same function IC, CXA2025S.
1) Vertical sync pull-in speed switching function
2) YUV SW Y signal switching function
Features
• I2C bus compatible
• Sync signal processing uses a countdown system
with non-adjusting H/V oscillator frequencies
• Built-in deflection compensation circuit capable of
supporting various wide modes
• Non-adjusting Y/C block filter
• Built-in AKB
• Video signal I/Os: Y/C separation input, Y/color
difference input, analog RGB input and RGB
output
• YUV SW Y signal switching function allows picture
quality adjustment for the Y signal in the same
manner as for the normal Y signal even when
Y/color difference input is selected
Applications
Color TVs (4:3, 16:9)
Structure
Bipolar silicon monolithic IC
Pin Configuration
48 pin SDIP (Plastic)
Absolute Maximum Ratings
(Ta = 25°C, SGND, JGND = 0V)
• Supply voltage
SVCC, JVCC –0.3 to +12 V
• Operating temperature
Topr
–20 to +75 °C
• Storage temperature
Tstg
–65 to +150 °C
• Allowable power dissipation
PD
1.5
W
• Voltages at each pin –0.3 to SVCC, JVCC + 0.3 V
Operating Conditions
Supply voltage
SVCC
JVCC
9.0 ± 0.5 V
9.0 ± 0.5 V
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
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–
E96413-ST
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