AD9983A
FEATURES
8-bit analog-to-digital converters 170 MSPS maximum conversion rate Low PLL clock jitter at 170 MSPS Automatic gain matching Automated offset adjustment 2:1 input mux Power-down via dedicated pin or serial register 4:4:4, 4:2:2, and DDR output format modes Variable output drive strength Odd/even field detection External clock input Regenerated Hsync output Programmable output high impedance control Hsyncs per Vsync counter Sync-on-green pulse filter Pb-free package
High Performance 8-Bit Display Interface AD9983A
FUNCTIONAL BLOCK DIAGRAM
8 AUTO OFFSET AUTO GAIN Pr/REDIN1 Pr/REDIN0 2:1 MUX CLAMP 8 PGA 8-BIT ADC AUTO OFFSET AUTO GAIN Y/GREENIN1 Y/GREENIN0 2:1 MUX CLAMP 8 PGA 8-BIT ADC AUTO OFFSET AUTO GAIN Pb/BLUEIN1 Pb/BLUEIN0 2:1 MUX CLAMP PGA 8-BIT ADC OUTPUT DATA FORMATTER 8 Cb/Cr/REDOUT
Y/GREENOUT
Cb/BLUEOUT
HSYNC1 HSYNC0
2:1 MUX
DATACK SYNC PROCESSING PLL SOGOUT O/E FIELD HSOUT VSOUT/A0
VSYNC0 VSYNC1
2:1 MUX
APPLICATIONS
Advanced TVs Plasma display...
