NTSC/PAL/SECAM 4x10-bit digital video decoder with macrovision detection, YPbPR/RBG inputs

TVP5146 is not recommended for new designs
Although this product continues to be in production to support previous designs, we don't recommend it for new designs. Consider one of these alternates:
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TVP5146M2 ACTIVE 10-bit High Quality Single-Chip Digital Video Decoder That Digitizes And Decodes NTSC/PAL/SECAM This device is an updated revision.

Product details

Rating Catalog Supply voltage (V) 1.8, 3.3 Operating temperature range (°C) 0 to 70
Rating Catalog Supply voltage (V) 1.8, 3.3 Operating temperature range (°C) 0 to 70
HTQFP (PFP) 80 196 mm² 14 x 14
  • 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.

  • 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.

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.

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

Design & development

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