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TVP5150A Datasheet

Part NameTVP5150A TI
Texas Instruments TI
DescriptionUltralow Power NTSC/PAL/SECAM Video Decoder With Robust Sync Detector
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Introduction
The TVP5150A device is an ultralow power NTSC/PAL/SECAM video decoder. Available in a space saving 32-pin TQFP package, the TVP5150A 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 TVP5150A 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 TVP5150A decoder converts baseband analog video into digital YCbCr 4:2:2 component video. Composite and S-video inputs are supported. The TVP5150A 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.

Features
• Accepts NTSC (M, 4.43), PAL (B, D, G, H, I, M, N), and SECAM (B, D, G, K, K1, L) video data
• Supports ITU-R BT.601 standard sampling
• High-speed 9-bit ADC
• Two composite inputs or one S-video input
• Fully differential CMOS analog preprocessing channels with clamping and automatic
   gain control (AGC) for best signal-to-noise (S/N) performance
• Ultralow power consumption: 115 mW typical
• 32-pin TQFP package
• Power-down mode: <1 mW
• Brightness, contrast, saturation, hue, and sharpness control through I2C
• Complementary 4-line (3-H delay) adaptive comb filters for both cross-luminance and cross-
   chrominance noise reduction
• Patented architecture for locking to weak, noisy, or unstable signals
• Single 14.31818-MHz crystal for all standards
• Internal phase-locked loop (PLL) for line-locked clock and sampling
• Subcarrier Genlock output for synchronizing color subcarrier of external encoder
• Standard programmable video output format:
   − ITU-R BT.656, 8-bit 4:2:2 with embedded syncs
   − 8-bit 4:2:2 with discrete syncs
• Macrovision™ copy protection detection
• Advanced programmable video output formats:
   − 2x oversampled raw VBI data during active video
   − Sliced VBI data during horizontal blanking or active video
• VBI modes supported
   − Teletext (NABTS, WST)
   − Closed-caption decode with FIFO, and extended data services (EDS)
   − Wide screen signaling, video program system, CGMS, vertical interval time code
   − Gemstar 1x/2x electronic program guide compatible mode
   − Custom configuration mode that allows the user to program the slice engine for unique
      VBI data signals
• Power-on reset

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