TVP5150AM1PBS Datasheet

Interface - Encoders, Decoders, Converters


The TVP5150AM1PBS device is an ultralow power NTSC/PAL/SECAM video decoder. Available in a space saving 32-pin TQFP package, the TVP5150AM1PBS decoder converts NTSC, PAL, and SECAM video signals to 8-bit ITU-R BT.656 format. Discrete syncs are also available. The optimized architecture of the TVP5150A decoder allows for ultralow-power consumption. The decoder consumes 115 mW of power in typical operation and consumes less than 1 mW in power-down mode, considerably increasing battery life in portable applications. The decoder uses just one crystal for all supported standards. The TVP5150AM1PBS decoder can be programmed using an I2C serial interface. The decoder uses a 1.8-V supply for its analog and digital supplies, and a 3.3-V supply for its I/O. The TVP5150AM1PBS decoder converts baseband analog video into digital YCbCr 4:2:2 component video. Composite and S-video inputs are supported. The TVP5150AM1PBS decoder includes one 9-bit analog-to-digital converter (ADC) with 2x sampling. Sampling is ITU-R BT.601 (27.0 MHz, generated from the 14.31818-MHz crystal or oscillator input) and is line-locked. The output formats can be 8-bit 4:2:2 or 8-bit ITU-R BT.656 with embedded synchronization. The TVP5150A decoder utilizes Texas Instruments patented technology for locking to weak, noisy, or unstable signals. A Genlock/real-time control (RTC) output is generated for synchronizing downstream video encoders. Complementary 4-line adaptive comb filtering is available for both the luma and chroma data paths to reduce both cross-luma and cross-chroma artifacts; a chroma trap filter is also available. Video characteristics including hue, contrast, brightness, saturation, and sharpness may be programmed using the industry standard I2C serial interface. The TVP5150A decoder generates synchronization, blanking, lock, and clock signals in addition to digital video outputs. The TVP5150A decoder includes methods for advanced vertical blanking interval (VBI) data retrieval. The VBI data processor slices, parses, and performs error checking on teletext, closed caption, and other data in several formats. TVP5150AM1PBS Features &bull; Fully differential CMOS analog preprocessing channels with clamping and automatic gain control (AGC) for best signal-to-noise (S/N) performance&bull; Ultralow power consumption: 115 mW typical&bull; 32-pin TQFP package&bull; Power-down mode: <1 mW&bull; Brightness, contrast, saturation, hue, and sharpness control through I2C&bull; Complementary 4-line (3-H delay) adaptive comb filters for both cross-luminance and cross-chrominance noise reduction&bull; Patented architecture for locking to weak, noisy, or unstable signals&bull; Single 14.31818-MHz crystal for all standards&bull; Internal phase-locked loop (PLL) for line-locked clock and sampling&bull; Subcarrier Genlock output for synchronizing color subcarrier of external encoder&bull; Standard programmable video output format:&minus; ITU-R BT.656, 8-bit 4:2:2 with embedded syncs&minus; 8-bit 4:2:2 with discrete syncs&bull; Macrovision copy protection detection&bull; Advanced programmable video output formats:&minus; 2x oversampled raw VBI data during active video&minus; Sliced VBI data during horizontal blanking or active video&bull; VBI modes supported&minus; Teletext (NABTS, WST)&minus; Closed-caption decode with FIFO, and extended data services (EDS)&minus; Wide screen signaling, video program system, CGMS, vertical interval time code&minus; Gemstar 1x/2x electronic program guide compatible mode&minus; Custom configuration mode that allows the user to program the slice engine for unique VBI data signals&bull; Power-on reset&bull; Accepts NTSC (M, 4.43), PAL (B, D, G, H, I, M, N), and SECAM (B, D, G, K, K1, L) video data&bull; Supports ITU-R BT.601 standard sampling&bull; High-speed 9-bit ADC&bull; Two composite inputs or one S-video input


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