This document describes the features and characteristics of Analog Devices' ADV611/ADV612 Closed Circuit TV Digital Video Codec. It features a programmable 'Quality Box', industrial temperature range, hardware frame rate reduction, full compatibility with ADV601 and ADV601LC, etc. It supports real-time compression or decompression of CCIR-601 video with compression ratios from visually lossless to 7500:1.
The ADV611 and ADV612 are low‑cost, single‑chip, all‑digital CMOS video codecs optimized for closed‑circuit TV applications. They support real‑time compression and decompression of CCIR‑601 digital video with visually loss‑less quality up to a 7500:1 compression ratio and include a programmable "Quality Box" for selective background compression.
The document provides a functional block diagram, internal architecture description, detailed register maps, pin configurations, video and host interface specifications, and guidance for applying the devices in computer‑based or stand‑alone CCTV systems. It also lists performance specifications such as package type, temperature range, pixel rate, and FIFO depth.
| Package | 120‑lead LQFP |
|---|---|
| Maximum Pixel Rate | 13.5 MHz |
| Maximum Active Field Size | 720 × 288 pixels |
Yes, the ADV611 and ADV612 are 100 % bitstream compatible with the ADV601.
The codecs support CCIR‑656 and multiplexed Philips video formats.
The devices can achieve visually loss‑less compression up to a ratio of 7500 : 1.