參數(shù)資料
型號(hào)： THS8133BCPHPG4
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： DAC
英文描述： PARALLEL, WORD INPUT LOADING, 0.005 us SETTLING TIME, 10-BIT DAC, PQFP48
封裝： PLASTIC, HTQFP-48
文件頁(yè)數(shù)： 6/25頁(yè)
文件大?。?/td> 549K
代理商： THS8133BCPHPG4
THS8133, THS8133A, THS8133B
TRIPLE 10BIT, 80 MSPS VIDEO D/A CONVERTER
WITH TRILEVEL SYNC GENERATION
SLVS204C APRIL 1999 REVISED SEPTEMBER 2000
14
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
APPLICATION INFORMATION
configuring THS8133 for generating SMPTE compliant signals
Table 6 lists the standards that relate to the definition of analog interfaces for component video signals.
Table 6. Relevant Video Standards
STANDARD
TITLE
SCOPE
SMPTE 253M
3-Channel RGB Analog Video Interface
Component analog video for studio applications using 525 lines, 59.94
fields, 2:1 interlace and 4:3 or 16:9 aspect ratio.
SMPTE 274M
1920x1080 Scanning and Analog and Parallel
Digital Interfaces for Multiple-Picture Rates
Definition of image format of 1920x1080 pixels inside a total raster of
1125 lines, with an aspect ratio of 16:9. Interlaced format used for 1080I
display definition of the ATSC HDTV standard.
SMPTE 296M
1280x720 Scanning, Analog and Digital
Representation and Analog Interface
Definition of image format of 1280x720 pixels inside a total raster of 750
lines, with an aspect ratio of 16:9. Progressive format used for 720P
display definition of the ATSC HDTV standard.
THS8133 can be used to generate output signals compliant to each of these standards. The configuration for
each is detailed below. In each of the cases the current output of each DAC can be converted into
standard-compliant voltage levels by connecting a double terminated 75-
load, as shown in the top part of
Figure 11.
DACs
37.5
75
(source)
75
75
(monitor)
DACs
50
150
(source)
75
75
(monitor)
Figure 11. Typical Video Loads
The use of THS8133 for each of these standards is discussed next.
SMPTE 253M
This standard defines a component analog video interface using GBR color signals carried on parallel channels
for the interconnection of television equipment. The scanning structure is typically 525 lines, 59.94 fields, 2:1
interlace and 4:3 or 16:9 aspect ratio. The analog signals of this standard are suitable for the generation of, or
they can be generated from, digital video signals compliant to SMPTE 125M and SMPTE 267M by A/D or D/A
conversion respectively. Furthermore, SMPTE 253M signals can be the input to NTSC composite encoders
compliant with SMPTE 170M. Table 7 lists the scope of the standards mentioned.
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THS8133CPHP 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:TRIPLE 10-BIT, 80 MSPS VIDEO D/A CONVERTER WITH TRI-LEVEL SYNC GENERATION
THS8133TQFP 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:TRIPLE 10-BIT, 80 MSPS VIDEO D/A CONVERTER WITH TRI-LEVEL SYNC GENERATION
THS8134 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:TRIPLE 8-BIT, 80 MSPS VIDEO D/A CONVERTER WITH TRI-LEVEL SYNC GENERATION
THS8134A 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:TRIPLE 8-BIT, 80 MSPS VIDEO D/A CONVERTER WITH TRI-LEVEL SYNC GENERATION
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