|
|
PDF CXD2044Q Data sheet ( Hoja de datos )
| Número de pieza | CXD2044Q | |
| Descripción | Digital Comb Filter (NTSC/PAL/PAL-M/PAL-N) | |
| Fabricantes | Sony Corporation | |
| Logotipo |  |
|
Hay una vista previa y un enlace de descarga de CXD2044Q (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
|
No Preview Available !
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
1 page  
CXD2044Q
Pin
No.
Symbol
I/O
Description
69 RATI
Ratio setting.
I
High: PAL/PAL-M/PAL-N:
When DTR: H, compulsively fixed to “Low” internally.
Low: NTSC
70 NTPL
NTSC/PAL/PAL-M/PAL-N mode setting. See Table 1.
I High: PAL/PAL-M/PAL-N
Low: NTSC
71 YOT
Y output through mode.
High: Outputs the input composite video signal from the Y output. At this time, there
I
is 1H + 15 clock delay from the digital input for NTSC, and 2H + 15 clock
delay from the digital input for PAL/PAL-M/PAL-N. For C output, the Y/C
separated chroma signal is output.
Low: Y/C separation mode
72 DVss — Digital ground.
73 DVDD
— Digital power supply. (5V)
74 DTR
PAL/PAL-M/PAL-N:
I
High: Dot interference reduction mode
Low: Before dot interference reduction
NTSC: Fix to “Low”.
75 TEST
I Test. Normally fix to “Low”.
76 PMN
I NTSC/PAL/PAL-M/PAL-N mode selection. See Table 1.
77 TEST
I Test. Normally fix to “Low”.
78 TEST
I Test. Normally fix to “Low”.
79 BPF
Y/C separation processing mode setting.
I High: Fixed to BPF separation mode
Low: Adaptive processing mode
80 TEST
I Test. Normally fix to “Low”.
Table 1. NTSC/PAL/PAL-M/PAL-N mode selection
(Numbers in parentheses indicate the Pin No.)
Mode
NTPL (70)
PMN (76)
XCOE (67)∗
NTSC
0
0
0
PAL 1 0 0
PAL-M
1
1
0
PAL-N
1
1
1
∗ Digital Y output enable and digital C output enable are simultaneously controlled by XYOE (Pin 56) during
PAL-M/PAL-N mode.
–5–
5 Page 
CXD2044Q
– 11 –
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet CXD2044Q.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| CXD2044Q | Digital Comb Filter (NTSC/PAL/PAL-M/PAL-N) | Sony Corporation |
| Número de pieza | Descripción | Fabricantes |
| SLA6805M | High Voltage 3 phase Motor Driver IC. |
 Sanken |
| SDC1742 | 12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters. |
 Analog Devices |
|
DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares, |
| DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar |