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PDF AK8812 Data sheet ( Hoja de datos )
| Número de pieza | AK8812 | |
| Descripción | NTSC/PAL Digital Video Encoder | |
| Fabricantes | Asahi Kasei Microsystems | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AK8812 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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ASAHIKASEI
[AK8811/12]
AK8811/12
NTSC/PAL Digital Video Encoder
GENERAL DESCRIPTION
The AK8811 and AK8812 are low voltage, low power and small packaged Digital Video Encoder.
They are suitable for a portable DVD or VCD player. They convert ITU-R.BT601/656 standard 8-
bit parallel data into analog composite video, S-Video or analog component signals Y/Cb/Cr in
NTSC and PAL formats.
AK8812 and AK8811 support Macrovision Copy Protection Rev.7.1(only AK8812), Closed
captioning and Video Blanking ID(CGMS). These functions are controlled by high-speed I2C Bus
interface.
FEATURES
• NTSC-M, PAL-B,D,G,H,I,M,N encoding.
• Simultaneous composite video signal and S-video signal outputs
• Y/Cb/Cr Component output (Based on EIAJ Guideline)
• CCIR-656 4:2:2 8-bit Parallel Input
- EAV Decoding
• Master/Slave Operation
- Digital Field Sync I/O
- Digital Vertical/Horizontal Sync I/O
• Y filtering
2 x over-sampling
• C filtering
4 x over-sampling
• Single 27MHz Clock (The polarity could be inverted by SYSINV pin)
• Triple 10-bit DACs
• I2C Interface (400kHz)
• Closed Caption encoding (NTSC: line 21,284-SMPTE PAL: line 21,334-CCIR)
• Macrovision Copy Protection Rev. 7.1* (Only for AK8812)
• VBID, CGMS(EIAJ CPR-1024)
• On-chip Color bar generator
• Low Power Consumption
• 3.3V only, CMOS Monolithic
• 48pin LQFP Package
* This device is protected by U.S. patent numbers 4,631,603, 4,577,216, and 4,819,098, and other intellectual
rights. The use of Macrovision’s copy protection technology in the device must be authorized by Macrovision and
is intended for home and other limited pay-per -view use only, unless otherwise authorized in written by
Macrovision. Reverse engineering or disassembly is prohibited.
Rev.1.1
-1-
2000/01
1 page  
ASAHI KASEI
ELECTRICAL CHARACTERISTICS
[AK8811/12]
Absolute Maximum Ratings
Parameter
Min Max
Units
Supply Voltage (VDD)
DVDD, PVDD, AVDD
Input Pin Voltage (Vin)
-0.3 4.6V
-0.3 VDD+0.3
V
V
Input Pin Current (Iin)
- ±10 mA
Analog Reference Current (IREF)
-
0.21 mA
Analog Output Current
- 6.5 mA
Power Dissipation
1000
mW
Storage Temperature
-40 125
°C
(Note)When all Ground pins(DVSS, AVSS) are set to 0V.
Recommended Operating Conditions
Parameter
Supply Voltage (VDD)
Operating Temperature
Min
3.0
-40
Typ.
3.3
Max
3.6
85
Units
V
°C
Rev.1.1
5 2000/01
5 Page 
ASAHI KASEI
(3-2-2) Output Synchronizing Signal Timing
SYSCLK
FID/VSYNC, HSYNC
tDEL
[AK8811/12]
VIL
Parameter
Delay from SYSCLK
[ 3.3V Temperature 25°C ]
Symbol Min Typ. Max Units
tDEL
27 nsec
(3-3). Reset (Initialize)
Reset Timing
/RESET
SYSCLK
Parameter
/RESET Pulse Width
pRES
[ 3.3V Temperature 25°C ]
Symbol Min Typ. Max
Units
pRES
10
SYSCLK
Rev.1.1
11 2000/01
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet AK8812.PDF ] | |
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