Analog Devices has added to its range of television chips with a 12-bit resolution 3D comb video decoder with an integrated 150Msample/s digitiser for full-HD 1080p input formats.

Designed for improving video image and colour quality in advanced high-definition televisions, the ADV7802 is a true 12-bit-resolution decoder with 4:4:4 sampling throughout the processing pipeline, including support for RGB SCART inputs, to provide designers with a higher level of system performance compared to existing 8-bit industry offerings using 4:2:2 sampling schemes.

The addition of an on-chip interface with support for SDR (single data-rate) DRAM reduces overall system cost while support for DDR (double data-rate) DRAM enables simultaneous 12-bit 3D comb (NTSC or PAL), digital noise reduction (DNR) and time base correction (TBC), providing designers with an option for decoding standard-definition (SD) video for noisy off-air broadcast signals or poor-quality VCR tape recordings with unstable timing.

The ADV7802's multi-format conversion capability allows designers to easily convert analogue video signals to create the vivid images, deeper colours and enhanced digital imaging features that consumers have come to expect in their video-processing and digital-TV applications.