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參數(shù)資料
| 型號： | THS8135-240CPHP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | DAC |
| 英文描述： | PARALLEL, WORD INPUT LOADING, 10-BIT DAC, PQFP48 |
| 封裝： | POWER, TQFP-48 |
| 文件頁數(shù)： | 1/24頁 |
| 文件大?。?/td> | 546K |
| 代理商： | THS8135-240CPHP |
THS8135
TRIPLE 10-BIT, 80/240 MSPS VIDEO DAC WITH TRI-LEVEL SYNC AND VIDEO (ITU-R.BT601)
– COMPLIANT FULL SCALE RANGE
SLAS343--MAY 2001
2
Copyright 2001 Texas Instruments Incorporated
PRODUCT PREVIEW information concerns products in the
formative or design phase of development. Characteristic data
and other specifications are design goals. Texas Instruments
reserves the right to change or discontinue these products
Features
Triple 10-bit D/A Converters
80 (THS8135-80) or 240 MSPS
(THS8135-240) Operation
YUV/RGB Configurable Blanking for
Full (0-1023) or Video (ITU-R.BT601)
–compliant Input Code Range
Generic triple DAC mode for non-
video applications
Direct Drive of Doubly-terminated
75
Load into Standard Video
Levels,irrespective of Operation with
Full or Video Input Code Range
3x10 bit 4:4:4, 2x10 bit 4:2:2 or 1x10
bit 4:2:2 (ITU-R.BT656) multiplexed
YPbPr/GBR input modes
Bi-level (EIA) or Tri-level (SMPTE)
Sync Generation
Integrated Insertion of Sync-On-
Green/Luminance or Sync-On-All
Channels
Internal Voltage Reference
See also: THS8136 (8bit, pin-compatible)
Applications
High-Definition Television (HDTV)
Set-top Boxes / Receivers / Displays
High-resolution Image Processing
THS8135 is a general-purpose triple high-speed D/A converter optimized for use in video/graphics applications. The device
operates from 3.3V analog and 1.8V digital supplies. Its performance is guaranteed at a sampling rate up to 80MSPS
(THS8135-80) or 240 MSPS (THS8135-240). THS8135 consists of three 10-bit D/A converters and additional circuitry for
bilevel/trilevel sync & blanking level generation. The device can insert a sync on either only the green/luminance (‘sync-on-
green’/’sync-on-Y’) channel or on all channels for video applications. A generic triple DAC mode is available making this
device suitable for non-video applications as well.
THS8135-80 is a footprint-compatible functional upgrade to THS8133. In addition, THS8135-240 allows a higher update
rate for oversampled video digitizing for all PC graphics formats up to UXGA (1600x1200) resolution @ 85Hz and all
practical Digital TV formats including HDTV. The support for oversampling significantly reduces the complexity of the
analog reconstruction filter required behind the DAC.
Standard video levels can be generated for the full code range (0 to 1023). Alternatively these standard levels can be
reached from a reduced code range compliant to the video sampling standard ITU-R.BT-601. In the latter configuration, the
full-scale range of the DAC will be dependent on the RGB or YCbCr operation mode of the device, and full video output
swing will be reached when driving the device with code range 64-940 for Y,R,G and B channels; and code range 64-960
for Cb&Cr channels.
A digital control input for insertion of a reference (blanking) level on the analog outputs is included. The blanking level will
be accurately positioned depending on the RGB/YCbCr operation mode of the device. Irrespective of the operation mode,
the inserted sync output amplitude(s) is(are) having the correct ratio to the full-scale video amplitude.
The current-steering DACs can be directly terminated in resistive loads to produce voltage outputs. The device provides a
flexible configuration of maximum output current drive. Its output drivers have been specifically designed to produce
standard video output levels when directly connected to a single-ended doubly-terminated 75
coaxial cable. Finally the
input format can be either 3x10 bit 4:4:4, 2x10 bit 4:2:2 or 1x10 bit 4:2:2. This enables a direct interface to a wide range of
video DSP/ASIC’s including parts generating ITU.R-BT.656 formatted output data.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| THS8135EVM | 功能描述:視頻 IC 開發(fā)工具 Triple 10B 240MSPS RoHS:否 制造商:Texas Instruments 產品:Evaluation Boards 類型:YPbPr to RGBHV Converters 工具用于評估:LMH1251 工作電源電壓:5 V |
| THS8135PHP | 功能描述:數(shù)字化視頻/模擬轉換器集成電路 Triple 10B 240MSPS Video DAC RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:3 輸出類型:Current 轉換速率:180 MSPs 分辨率:10 bit 接口類型:Parallel 電壓參考:Internal or External 積分非線性:- 2.5 LSB, 1.5 LSB 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:HTQFP 封裝:Tray |
| THS8135PHP | 制造商:Texas Instruments 功能描述:10BIT DAC 240MSPS TRIPLE SMD |
| THS8135PHPG4 | 功能描述:數(shù)字化視頻/模擬轉換器集成電路 Tr 10B 240MSPS Video DAC RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:3 輸出類型:Current 轉換速率:180 MSPs 分辨率:10 bit 接口類型:Parallel 電壓參考:Internal or External 積分非線性:- 2.5 LSB, 1.5 LSB 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:HTQFP 封裝:Tray |
| THS8136 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:TRIPLE 10-BIT 180-MSPS GRAPHICS AND VIDEO DAC |
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