
Analog Devices
GENERAL DESCRIPTION
The AD9985A is a complete 8-bit, 140 MSPS, monolithic analog interface optimized for capturing RGB graphics signals from personal computers and workstations. Its 140 MSPS encode rate capability and full power analog bandwidth of 300 MHz support resolutions up to SXGA (1280 × 1024 at 75 Hz).
FEATURES
Variable analog input bandwidth control
Variable SOGIN bandwidth control
Automated clamping level adjustment
140 MSPS maximum conversion rate
300 MHz analog bandwidth
0.5 V to 1.0 V analog input range
500 ps p-p PLL clock jitter at 110 MSPS
3.3 V power supply
Full sync processing
Selectable input filtering
Sync detect for hot plugging
Midscale clamping
Power-down mode
Low power: 500 mW typical
4:2:2 output format mode
APPLICATIONS
RGB graphics processing
LCD monitors and projectors
Plasma display panels
Scan converters
Microdisplays
Digital TVs