AD7183 Datasheet, PDF (1/40 Pages) Analog Devices – Advanced Video Decoder with 10-Bit ADC and Component Input Support

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Advanced Video Decoder with 10-Bit ADC
and Component Input Support
ADV7183
FEATURES
Analog Video to Digital YCrCb Video Decoder:
NTSC-(M/N), PAL-(B/D/G/H/I/M/N)
ADV^®7183 Integrates Two 10-Bit Accurate ADCs
Clocked from a Single 27 MHz Crystal
Dual Video Clocking Schemes:
Line-Locked Clock Compatible (LLC)
Adaptive Digital Line Length Tracking (ADLLT™)
Three-Line Chroma Comb Filter
Real-Time Clock and Status Information Output
Integrated AGC (Automatic Gain Control) and Clamping
Multiple Programmable Analog Input Formats:
CVBS (Composite Video)
SVHS (Y/C)
YCrCb Component (VESA, MII, SMPTE, and BetaCom)
6 Analog Input Video Channels
Automatic NTSC/PAL Identification
Differential Mode Video Input
Digital Output Formats 16-Bit Wide Bus):
YCrCb (4:2:2 or 4:1:1)
CCIR601/CCIR656 8-Bit or 16-Bit
0.5 V to 2.0 V p-p Input Range
Differential Gain, 0.4% Typ
Differential Phase, 0.6^o Typ
Programmable Video Controls:
Peak White/Hue/Brightness/Saturation/Contrast
APPLICATIONS
Security Systems
Projectors
Digital Televisions
DVD-RAM Recorders and Players
PDP Displays
Video Decoders
Hybrid Analog/Digital Set-Top Boxes
(continued on page 9)
FUNCTIONAL BLOCK DIAGRAM
P15–P0
PIXEL
O/P PORT
ADV7183
ISO
REFOUT
AIN1
AIN2
AIN3
AIN4
AIN5
AIN6
ANALOG I/P
MULTIPLEXING
AUTOMATIC
GAIN
CONTROL
(AGC )
CLAMP AND
DC RESTORE
SHAPING
AND
NOTCH LPF
10-BIT
ADC
LUMA
ANTIALIAS
LPF
27MHz
10-BIT
ADC
SWITCH
VIDEO TIMING AND
CONTROL BLOCK
PEAKING
HPF/LPF
RESAMPLING
AND
HORIZONTAL
SCALING
LUMA
DELAY
BLOCK
SYNC
DETECTION
2H LINE
MEMORY
SUB-
CARRIER
RECOVERY
DTO
RESAMPLING
AND
HORIZONTAL
SCALING
CHROMA
COMB
FILTER
FIFO CONTROL
BLOCK
AND
PIXEL
OUTPUT
FORMATTER
CHROMA
ANTIALIAS
LPF
SHAPING
LPF
27MHz XTAL
OSCILLATOR
BLOCK
I²C-COMPATIBLE
INTERFACE PORT
LLC
SYNTHESIS
WITH LINE-
LOCKED
OUTPUT
CLOCK
AFF
HFF/QCLK
AEF
DV
RD
OE
GL/CLKIN
LLC1
LLC2
LLCREF
ELPF
PWRDN
HSYNC FIELD VSYNC HREF VREF
CLOCK CLOCK RESET SDATA SCLOCK ALSB
ADLLT is a trademark and ADV is a registered trademark of Analog Devices, Inc.
REV. 0
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reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
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© Analog Devices, Inc., 2002