TVP5146 is not recommended for new designs.
This product continues to be in production to support existing customers. Please consider one of these alternatives:
Same functionality and pinout but is not an equivalent to the compared device:
TVP5146M2 ACTIVE 10-bit High Quality Single-Chip Digital Video Decoder That Digitizes And Decodes NTSC/PAL/SECAM This device is an updated revision.
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Product details

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Features

  • Robust sync detection for weak and noisy signals as well as VCR trick modes
  • Y/C separation by 2-D, 5-line, adaptive comb or chroma trap filter
  • Fast-switch input for pixel-by-pixel switching between CVBS and YPbPr/RGB component video inputs (SCART support)
  • Four 10-bit, 30-MSPS A/D converters with analog preprocessors [clamp and automatic gain control (AGC)]
  • Luminance processor
  • Chrominance processor
  • Component processor
  • Clock/timing processor and power-down control
  • Software-controlled power-saving standby mode
  • Output formatter
  • I2C host port interface
  • VBI data processor
  • Macrovision copy protection detection circuit (Type 1, 2, 3, and separate color stripe detection)
  • 3.3-V tolerant digital I/O ports
  • Applications
    • Digital TV
    • LCD TV/monitors
    • DVD-R
    • PVR
    • PC video cards
    • Video capture/video editing
    • Video conferencing

Macrovision is a trademark of Macrovision Corporation.
Gemstar is a trademark of Gemstar-TV Guide International.
PowerPAD is a trademark of Texas Instruments.
Other trademarks are the property of their respective owners.

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Description

The TVP5146 device is a high quality, single-chip digital video decoder that digitizes and decodes all popular baseband analog video formats into digital component video. The TVP5146 decoder supports the analog-to-digital (A/D) conversion of component RGB and YPbPr signals, as well as the A/D conversion and decoding of NTSC, PAL, and SECAM composite and S-video into component YCbCr. This decoder includes four 10-bit 30-MSPS A/D converters (ADCs). Preceding each ADC in the device, the corresponding analog channel contains an analog circuit that clamps the input to a reference voltage and applies a programmable gain and offset. A total of 10 video input terminals can be configured to a combination of RGB, YPbPr, CVBS, or S-video video inputs.

Component, composite, or S-video signals are sampled at 2× the square-pixel or ITU-R BT.601 clock frequency, line-locked, and are then decimated to the 1× pixel rate. CVBS decoding utilizes five-line adaptive comb filtering for both the luma and chroma data paths to reduce both cross-luma and cross-chroma artifacts. A chroma trap filter is also available. On CVBS and S-video inputs, the user can control video characteristics such as contrast, brightness, saturation, and hue via an I2C host port interface. Furthermore, luma peaking (sharpness) with programmable gain is included, as well as a patented chroma transient improvement (CTI) circuit.

A built-in color space converter is applied to decoded component RGB data.

The following output formats can be selected: 20-bit 4:2:2 YCbCr or 10-bit 4:2:2 YCbCr.

The TVP5146 decoder generates synchronization, blanking, field, active video window, horizontal and vertical syncs, clock, genlock (for downstream video encoder synchronization), host CPU interrupt and programmable logic I/O signals, in addition to digital video outputs.

The TVP5146 decoder includes methods for advanced vertical blanking interval (VBI) data retrieval. The VBI data processor (VDP) slices, parses, and performs error checking on teletext, closed caption (CC), and other VBI data. A built-in FIFO stores up to 11 lines of teletext data, and with proper host port synchronization, full-screen teletext retrieval is possible. The TVP5146 decoder can pass through the output formatter 2× the sampled raw luma data for host-based VBI processing.

The decoder provides the option for concurrent processing of pixel-locked CVBS and RGB/YPbPr input formats.

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Technical documentation

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Type Title Date
* Datasheet TVP5146: NTSC/PAL/SECAM 4x10-bit Digital Video Decoder w/Macrovision datasheet (Rev. C) Aug. 08, 2007
Application note TVP5146 Anti-Aliasing Filters Jun. 25, 2010
Application note TVP5146 PCB Layout Guidelines Jun. 16, 2010
Application note The TMS320DM642 Video Port Mini-Driver for TVP5146 and TVP5150 decoder Jul. 16, 2004
Application note TVP5146 SCART and OSD Jan. 02, 2004
Application note TVP5146 FAQ Oct. 17, 2003
Application note TVP51xx Product Family - FAQ Oct. 17, 2003
Application note TVP5146 PDC and VPS APPLICATION NOTE Oct. 15, 2003
Application note TVP5146 and TVP5150A VBI Raw Data Mode Oct. 15, 2003
User guide TVP5146: VBI Quick Start Sep. 23, 2003
More literature TVP5146EVM Quick Start Guide Sep. 10, 2003
User guide TVP5146EVM User's Guide Sep. 10, 2003

Design & development

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Hardware development

EVALUATION BOARD Download
1099
Description

The TMS320DM36x Digital Video Evaluation Module (DVEVM) enables developers to start immediate evaluation of TI’s Digital Media (DMx) processors and begin building digital video applications such as IP security cameras, action cameras, drones, wearables, digital signage, video doorbells, and (...)

Features
  • TMS320DM368 Digital Media processor-based development board
  • Parallel Camera Input compatible with Leopard Imaging LI-5M02 camera board
  • Video capture of NTSC or PAL signals via component for HD and composite/S-Video for SD
  • NTSC or PAL output via component for HD and composite/S-Video for SD
  • Other (...)

Design tools & simulation

SIMULATION TOOL Download
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Features
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
SIMULATION TOOL Download
SPICE-based analog simulation program
TINA-TI TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)

CAD/CAE symbols

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