CXD2043Q Datasheet, PDF (1/11 Pages) Sony Corporation – Digital Comb Filter (NTSC)

CXD2043Q
Digital Comb Filter (NTSC)
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Description
The CXD2043Q is an adaptive comb filter compatible
with NTSC system, and can provide high-precision Y/C
separation with a single-chip.
80 pin QFP (Plastic)
Features
• Y/C separation by adaptive processing
• Horizontal aperture compensation circuit
• 8-bit A/D converter (1-channel)
• 8-bit D/A converter (2-channel)
• Two 1H delay lines
• 4-PLL
Recommended Operating Conditions
• Supply voltage DVDD
5.0 ± 0.25
V
YVDD
5.0 ± 0.25
V
Absolute Maximum Ratings (Ta = 25°C, Vss = 0V)
CVDD
5.0 ± 0.25
V
• Supply voltage DVDD VSS – 0.5 to +7.0
V
PVDD
5.0 ± 0.25
V
YVDD VSS – 0.5 to +7.0
V _{• Operating temperature}
CVDD VSS – 0.5 to +7.0
V
Topr
–20 to +75
°C
PVDD VSS – 0.5 to +7.0
V
• Input voltage VI VSS – 0.5 to VDD + 0.5 V
• Output voltage VO VSS – 0.5 to VDD + 0.5 V
• Operating temperature
Structure
Silicon gate CMOS IC
Topr
• Storage temperature
Tstg
–20 to +75
–55 to +150
°C _Applications
Y/C separation for color TVs and VCRs
°C
Block Diagram
ADIN 27
A/D
71
VI8 to VI1 to
78
DL
1HDL
1HDL
BPF
BPF
BPF
Logic Operation
Adaptive
Filter
Operation
DAC
DAC
31 AYO
43
to
455··812 Y8 to Y1
41 ACO
54
to C8 to C1
61
Phase Comparison 4FSC
VCO
1/4
9
10 12
FIN
CPO VCV
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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E95812-ST