THS8200-EP
- Three 11-Bit 205-MSPS D/A Converters With Integrated
Bi-Level/Tri-Level Sync Insertion - Support for All ATSC Video Formats (Including 1080P) and
PC Graphics Formats (Up to UXGA at 75 Hz) - INPUT
- Flexible 10/15/16/20/24/30-Bit Digital Video Input Interface
With Support for YCbCr or RGB Data, Either 4:4:4 or 4:2:2 Sampled - Video Synchronization Via Hsync, Vsync Dedicated Inputs or Via
Extraction of Embedded SAV/EAV Codes According to ITU-R.BT601
(SDTV) or SMPTE274M/SMPTE296M (HDTV) - Glueless Interface to TI DVI 1.0 (With HDCP) Receivers. Can Receive
Video-Over-DVI Formats According to the EIA-861 Specification and
Convert to YPbPr/RGB Component Formats With Separate Syncs or
Embedded Composite Sync
- Flexible 10/15/16/20/24/30-Bit Digital Video Input Interface
- VIDEO PROCESSING
- Programmable Clip/Shift/Multiply Function for Operation With
Full-Range or ITU-R.BT601 Video Range Input Data - Programmable Digital Fine-Gain Controller on Each Analog Output
Channel, for Accurate Channel Matching and Programmable
White-Balance Control - Built-In 4:2:2 to 4:4:4 Video Interpolation Filter
- Built-In 2× Oversampling SDTV/HDTV Interpolation
Filter for Improved Video Frequency Characteristic - Fully Programmable Digital Color Space Conversion Circuit
- Fully Programmable Display Timing Generator to Supply All
SDTV and HDTV Composite Sync Ttiming Formats, Progressive
and Interlaced - Fully Programmable Hsync/Vsync Outputs
- Vertical Blanking Interval (VBI) Override or Data Pass-Thru
for VBI Data Transparency - Programmable CGMS Data Generation and Insertion
- Programmable Clip/Shift/Multiply Function for Operation With
- OUTPUT
- Digital
- ITU-R BT.656 Digital Video Output Port
- Analog
- Analog Component Output from Software-Switchable
700-mV/1.3-V Compliant Output DACs at 37.5-
load - Programmable Video/Sync Ratio (7:3 or 10:4)
- Programmable Video Pedestal
- Analog Component Output from Software-Switchable
- Digital
- GENERAL
- Built-In Video Color Bar Test Pattern Generator
- Fast Mode I2C Control Interface
- Configurable Master or Slave Timing Mode
- Configuration Modes Allow the Device to Act as a
Master Timing Source for Requesting Data from, e.g.,
the Video Frame Buffer. Alternatively, the Device Can
Slave to an External Timing Master (Master Mode Only
Available for PC Graphics Output Modes).
- Configuration Modes Allow the Device to Act as a
- DAC and Chip Powerdown Modes
- Low-Power 1.8-/3.3-V Operation
- 80-pin PowerPAD™ Plastic Quad Flatpack Package with
Efficient Heat Dissipation and Small Physical Size
- APPLICATIONS
- DVD Players
- Digital-TV/Interactive-TV/Internet Set-Top Boxes
- Personal Video Recorders
- HDTV Display or Projection Systems
- digital Video Systems
PowerPAD Is a trademark of Texas Instruments.
THS8200 is a complete video back-end D/A solution for DVD players, personal video recorders and set-top boxes, or any system requiring the conversion of digital component video signals into the analog domain.
THS8200 can accept a variety of digital input formats, in both 4:4:4 and 4:2:2 formats, over a 3×10-bit, 2×10-bit or 1×10-bit interface. The device synchronizes to incoming video data either through dedicated Hsync/Vsync inputs or through extraction of the sync information from embedded sync (SAV/EAV) codes inside the video stream. Alternatively, when configured for generating PC graphics output, THS8200 also provides a master timing mode in which it requests video data from an external (memory) source.
THS8200 contains a display timing generator that is completely programmable for all standard and nonstandard video formats up to the maximum supported pixel clock of 205 MSPS. Therefore, the device supports all component video and PC graphics (VESA) formats. A fully-programmable 3×3 matrixing operation is included for color space conversion. All video formats, up to the HDTV 1080I and 720P formats, can also be internally 2× oversampled. Oversampling relaxes the need for sharp external analog reconstruction filters behind the DAC and improves the video frequency characteristic.
The output compliance range can be set via external adjustment resistors and there is a choice of two settings, in order to accommodate without hardware changes both component video/PC graphics (700 mV) and composite video (1.3 V) outputs. An internal programmable clip/shift/multiply function on the video data assures standards-compliant video output ranges for either full 10-bit or reduced ITU-R.BT601 style video input. In order to avoid nonlinearities after scaling of the video range, the DACs are internally of 11-bit resolution. Furthermore, a bi- or tri-level sync with programmable amplitude (in order to support both 700/300-mV and 714/286-mV video/sync ratios) can be inserted either on the green/luma channel only or on all three output channels. This sync insertion is generated from additional current sources in the DACs such that the full DAC resolution remains available for the video range. This preserves 100% of the DAC’s 11-bit dynamic range for video data.
THS8200 optionally supports the pass-through of ancillary data embedded in the input video stream or can insert ancillary data into the 525P analog component output according to the CGMS data specification.
技術文件
| 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | All-Format Oversampled Component Video/PC Graphics D/A System datasheet | 2009年 12月 3日 | |
| * | VID | THS8200-EP VID V6210604 | 2016年 6月 21日 | |
| Application note | Noise Analysis for High Speed Op Amps (Rev. A) | 2005年 1月 17日 |
設計與開發
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