Video ICs
Products (2)
ADV202 - JPEG2000 Video Codec | Analog Devices
The Analog Devices ADV202 is a single-chip JPEG2000 codec targeted at video and high-bandwidth image compression applications. It implements the JPEG2000 (J2K) ISO/IEC 15444-1 image compression standard and provides complete compression and decompression processing on one die. The device operates on rectangular pixel tiles, where a tile may contain a complete image up to the maximum supported size or only part of an image, making it flexible for HD and high-resolution still-image pipelines. The ADV202 is offered in a 144-ball BGA package with surface-mount assembly, and it was formerly branded as the ADV-JP2000. A JPEG2000 video codec is a hardware engine that encodes and decodes images using the wavelet-based JPEG2000 Part 1 standard. Unlike block-based JPEG, JPEG2000 employs a discrete wavelet transform followed by entropy coding to produce scalable, high-quality compressed streams. In a hardware codec such as the ADV202, the wavelet transform engine, entropy codecs, memory controller, and control processor are integrated on-chip, eliminating the need for a host DSP or external compressor in many systems. This is important for bandwidth-limited video links because one chip can compress 720p video or large still-frame imagery into a JPEG2000 stream and decompress it on the receive side. Key features include a dedicated video port with glueless connection to common digital video standards such as 720p, plus programmable framing and validation signals for other high-speed synchronous pixel formats. The entropy codecs support all features of JPEG2000 Part 1 except the optional Maxshift ROI. Patented SURF (Spatial Ultra-efficient Recursive Filtering) technology enables low-power, low-cost implementation. Internally, the ADV202 contains a wavelet transform engine, three entropy codecs, an on-board memory system, and an embedded RISC processor that manages bitstream syntax and host commands. From a system perspective, the ADV202 is a complete JPEG2000 compression/decompression solution. The tile engine accepts rectangular arrays of pixel samples, allowing trade-off between memory usage and image size. Because codec operation is tile-based, extremely large still images can be processed in manageable sections, while video can be streamed tile-by-tile. The embedded RISC processor handles host interfaces and entropy codec coordination, reducing external control complexity. Although the ADV202 is no longer recommended for new designs (NRND), its architecture remains the basis of the ADV212, the manufacturer-specified drop-in replacement, which adds JTAG/BSDL and cuts power by up to 50%. Typical applications include broadcast and professional video systems, medical imaging and diagnostic capture, security and surveillance recording, aerospace and UAV payload compression, industrial machine vision, and remote-sensing image archival. For each application, the ADV202's combination of glueless video input, tile-based JPEG2000 Part 1 processing, and single-chip integration reduces BOM size compared with DSP-plus-software implementations. Designers migrating to the ADV212 retain these system benefits because the footprint and functionality are equivalent. Design consideration: because the ADV202 is NRND, a new layout should target the ADV212. Confirm core and I/O supply voltages, maximum clock, power dissipation, and BGA ball map from the official 40-page datasheet before producing a footprint. Verify legacy firmware command compatibility when swapping an ADV202 for an ADV212 in an existing system.
ADV7391BCPZ-RL - 10-Bit SD/HD Video Encoder | Analog Devices
The ADV7391BCPZ-RL is a low power, chip scale 10-bit SD/HD video encoder from Analog Devices, designed for a wide range of video applications including set-top boxes, video players, and displays. It integrates three 2.7 V/3.3 V 10-bit video digital-to-analog converters (DACs) that support composite (CVBS), S-Video (Y-C), and component (YPrPb) video output formats. The device operates from a 1.71 V to 3.63 V supply and draws only 81 mA, making it suitable for power-sensitive portable and consumer electronics. Housed in a compact 32-lead LFCSP-VQ (5x5 mm) package, the ADV7391BCPZ-RL is optimized for space-constrained designs. A video encoder is an integrated circuit that converts digital video data into analog video signals for display or transmission. In the signal chain, the video encoder sits between a digital video source (such as a video processor, FPGA, or SoC) and the analog display interface (such as composite, S-Video, or component outputs). The ADV7391 belongs to the family of digital-to-analog video encoders, which are essential in applications ranging from consumer TVs to professional video equipment. Its role is to bridge the digital and analog domains, ensuring high-quality video output with minimal artifacts. Key features of the ADV7391BCPZ-RL include support for both standard-definition (SD) and high-definition (HD) video formats, with a maximum DAC sampling rate of 297 Msps. The device provides three 10-bit DACs, enabling simultaneous output of CVBS, S-Video, and component signals. It also includes an on-chip voltage reference and supports both interlaced and progressive scan formats. The low power consumption of 81 mA at 3.3 V makes it an excellent choice for battery-powered devices, while the wide operating temperature range of -40°C to +85°C ensures reliability in industrial environments. From a technical perspective, the ADV7391 utilizes a high-speed digital-to-analog conversion architecture that ensures accurate color reproduction and sharp image detail. The device features a flexible digital interface that supports both 4:2:2 and 4:4:4 YCrCb data formats, as well as embedded synchronization signals. The on-chip PLL allows for precise clock generation, reducing external component count. The ADV7391 is part of a family that includes the ADV7390, ADV7392, and ADV7393, which offer different feature sets and package options, allowing designers to select the optimal part for their specific application. Typical applications for the ADV7391BCPZ-RL include set-top boxes, DVD/Blu-ray players, video game consoles, and digital signage. Its low power consumption and small footprint make it ideal for portable media players and handheld devices. The device is also suitable for automotive infotainment systems, where its wide temperature range and robust performance are critical. When designing with the ADV7391BCPZ-RL, it is important to ensure proper decoupling of the power supply pins and to route the analog video outputs away from digital noise sources. The device requires an external crystal or clock source, and the PCB layout should minimize parasitic capacitance on the DAC outputs to maintain signal integrity.