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