AD9983A

www.DataSheet4U.com Preliminary Technical Data 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 AD9983A 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 8 Y/GREENOUT 8 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 panels LCDTV HDTV RGB graphics processing LCD monitors and projectors Scan converters SOGIN1 SOGIN0 EXTCK/COAST CLAMP FILT SDA SCL 2:1 MUX POWER MANAGEMENT VOLTAGE REFS SERIAL REGISTER REFHI REFLO 06475-001 Figure 1. GENERAL DESCRIPTION The AD9983A is a complete 8-bit, 170 MSPS, monolithic analog interface optimized for capturing YPbPr video and RGB graphics signals. Its 170 MSPS encode rate capability and full power analog bandwidth of 300 M...