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Sony Semiconductor Electronic Components Datasheet

CXD2044Q Datasheet

Digital Comb Filter (NTSC/PAL/PAL-M/PAL-N)

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CXD2044Q pdf
CXD2044Q
Digital Comb Filter (NTSC/PAL/PAL-M/PAL-N)
For the availability of this product, please contact the sales office.
Description
The CXD2044Q is an adaptive intra-field comb
80 pin QFP (Plastic)
filter compatible with NTSC, PAL, PAL-M and PAL-N
systems, and can provide high-precision Y/C
separation with a single chip.
Features
Intra-field Y/C separation by adaptive processing
8-bit A/D converter (1-channel)
8-bit D/A converter (2-channel)
Four 1H delay lines
Clock 4fsc
Absolute Maximum Ratings (Ta = 25°C, Vss = 0V)
Supply voltage DVDD VSS – 0.5 to +7.0 V
AAVD VSS – 0.5 to +7.0 V
ADVD VSS – 0.5 to +7.0 V
YVDD VSS – 0.5 to +7.0
V
CVDD 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
Storage temperature
Tstg
–55 to +150
°C
Block Diagram
Recommended Operating Conditions
Supply voltage DVDD
5.0 ± 0.25
AAVD
5.0 ± 0.25
ADVD
5.0 ± 0.25
YVDD
5.0 ± 0.25
CVDD
5.0 ± 0.25
Analog input ADIN
1.8
Operating temperature
Topr
–20 to +75
Applications
Y/C separation for color TVs and VCRs
Structure
Silicon gate CMOS IC
V
V
V
V
V
Vp-p
°C
Analog Vin
A/D
Digital Vin
8
NTSC: 1H NTSC: 1H
PAL: 2H
PAL: 2H
DL D/A
Adaptive
filter
operation
8
D/A
Logic operation
8
A-Yout
D-Yout
A-Cout
D-Cout
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–
E95418-ST


Sony Semiconductor Electronic Components Datasheet

CXD2044Q Datasheet

Digital Comb Filter (NTSC/PAL/PAL-M/PAL-N)

No Preview Available !

CXD2044Q pdf
Pin Configuration
CXD2044Q
TEST 65
TEST 66
XCOE 67
APCN 68
RATI 69
NTPL 70
YOT 71
DVss 72
DVDD 73
DTR 74
TEST 75
PMN 76
TEST 77
TEST 78
BPF 79
TEST 80
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
40 CVG
39 ACO
38 XACO
37 CVDD
36 VB
35 YVss
34 YIRF
33 YVRF
32 YVG
31 AYO
30 XAYO
29 YVDD
28 ADVD
27 RT
26 AAVD
25 ADIN
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Pin Description
Pin
No.
Symbol
I/O
Description
1 VI8
I Digital input (MSB). Connect to DVDD or DVss when not in use.
2 VI7
I Digital input. Connect to DVDD or DVss when not in use.
3 VI6
I Digital input. Connect to DVDD or DVss when not in use.
4 VI5
I Digital input. Connect to DVDD or DVss when not in use.
5 VI4
I Digital input. Connect to DVDD or DVss when not in use.
6 VI3
I Digital input. Connect to DVDD or DVss when not in use.
7 VI2
I Digital input. Connect to DVDD or DVss when not in use.
8 VI1
I Digital input (LSB). Connect to DVDD or DVss when not in use.
9 ADCO
A/D converter output through mode.
I
High: Video signals taken into the A/D converter (input pin: ADIN) are output without
change from the Y output pins as 8-bit digital data with a 3.5 clock delay.
Low: Standard mode
10 INSL
Input switching. Switches the input data fed to the comb filter.
I High: Digital input
Low: Analog input
11 OCLK
I
Clock amplifier input.
Input 0.8Vp-p or more, eliminating the DC components with a capacitor.
–2–


Part Number CXD2044Q
Description Digital Comb Filter (NTSC/PAL/PAL-M/PAL-N)
Maker Sony Corporation
Total Page 12 Pages
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