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ADV7183
Advanced Video Decoder with 10-Bit ADC
and Component Input Support
ADLLT is a trademark and ADV is a registered trademark of Analog Devices, Inc.
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
FUNCTIONAL BLOCK DIAGRAM
ISO
REFOUT
AIN1
AIN2
AIN3
AIN4
AIN5
AIN6
ANALOG I/P
MULTIPLEXING
AUTOMATIC
GAIN
CONTROL
(AGC)
CLAMP AND
DC RESTORE
10-BIT
ADC
LUMA
ANTIALIAS
LPF
SHAPING
AND
NOTCH LPF
PEAKING
HPF/LPF
RESAMPLING
AND
HORIZONTAL
SCALING
CHROMA
COMB
FILTER
SYNC
DETECTION
ADV7183
RESAMPLING
AND
HORIZONTAL
SCALING
CHROMA
ANTIALIAS
LPF
SHAPING
LPF
SWITCH
LUMA
DELAY
BLOCK
2H LINE
MEMORY
SUB-
CARRIER
RECOVERY
DTO
10-BIT
ADC
27MHz
VIDEO TIMING AND
CONTROL BLOCK
27MHz XTAL
OSCILLATOR
BLOCK
PWRDN HSYNC FIELD VSYNC HREF VREF CLOCK CLOCK
AFF
HFF/QCLK
AEF
DV
RD
OE
FIFO CONTROL
BLOCK
AND
PIXEL
OUTPUT
FORMATTER
LLC
SYNTHESIS
WITH LINE-
LOCKED
OUTPUT
CLOCK
I
2
C-COMPATIBLE
INTERFACE PORT
SDATA SCLOCKRESET ALSB
GL/CLKIN
LLC1
LLC2
LLCREF
ELPF
P15–P0
PIXEL
O/P PORT
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)