ADV7183A| Datasheet

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Multiformat SDTV Video Decoder ADV7183A
FEATURES
Multiformat video decoder supports NTSC-(J, M, 4.43), PAL-(B/D/G/H/I/M/N), SECAM Integrates three 54 MHz, 10-bit ADCs Clocked from a single 27 MHz crystal Line-locked clock-compatible (LLC) Adaptive Digital Line Length Tracking (ADLLTTM) 5-line adaptive comb filters Proprietary architecture for locking to weak, noisy, and unstable video sources such as VCRs and tuners Subcarrier frequency lock and status information output Integrated AGC with adaptive peak white mode Macrovision copy protection detection CTI (chroma transient improvement) DNR (digital noise reduction) Multiple programmable analog input formats: CVBS (composite video) S-Video (Y/C) YPrPb component (VESA, MII, SMPTE, and Betacam) 12 analog video input channels Automatic NTSC/PAL/SECAM identification Digital output formats (8-bit or16-bit): ITU-R BT.656 YCrCb 4:2:2 output + HS, VS, and FIELD 0.5 V to 1.6 V analog signal input range Differential gain: 0.5% typ Differential phase: 0.5 typ Programmable video controls: Peak-white/hue/brightness/s
aturation/contrast Integrated on-chip video timing generator Free run mode (generates stable video ouput with no I/P) VBI decode support for Close captioning, WSS, CGMS, EDTV, Gemstar 1 /2 Power-down mode 2-wire serial MPU interface (I2C -compatible) 3.3 V analog, 1.8 V digital core; 3.3 V IO supply 2 temperature grades: 0 C to 70 C and 40 C to +85 C 80-lead LQFP Pb-free package

APPLICATIONS
DVD recorders Video projectors HDD-based PVRs/DVDRs LCD TVs Set-top boxes Security systems Digital televisions AVR receiver

GENERAL DESCRIPTION
The ADV7183A integrated video decoder automatically detects and converts a standard analog baseband television signalcompatible with worldwide standards NTSC, PAL, and SECAM into 4:2:2 component video data-compatible with 16-/8-bit CCIR601/CCIR656. The advanced, highly flexible digital output interface enables performance video decoding and conversion in line-locked clock based systems. This makes the device ideally suited for a broad range of applications with diverse analog video characteristics, including tape based sources, broadcast sources, security/ surveillance cameras, and professional systems. The 10-bit accurate A/D conversion provides professional quality video performance and is unmatched. This allows true 8-bit resolution in the 8-bit output mode. The 12 analog input channels accept standard composite, S-Video, YPrPb video signals in an extensive number of combinations. AGC and clamp restore circuitry allow an input
Rev. B
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video signal peak-to-peak range of 0.5 V up to 1.6 V. Alternatively, these can be bypassed for manual settings. The fixed 54 MHz clocking of the ADCs and datapath for all modes allows very precise, accurate sampling and digital filtering. The line-locked clock output allows the output data rate, timing signals, and output clock signals to be synchronous, asynchronous, or line locked even with 5% line length variation. The output control signals allow glueless interface connections in almost any application. The ADV7183A modes are set up over a 2-wire, serial, bidirectional port (I2C-compatible). The ADV7183A is fabricated in a 3.3 V CMOS process. Its monolithic CMOS construction ensures greater functionality with lower power dissipation. The ADV7183A is packaged in a small 80-lead LQFP Pb-free package.