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參數資料
| 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： | 7/24頁 |
| 文件大小： | 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
SLVSXXXX—10/02/00 3:44 PM
16
Copyright 2000 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
DAC operation
The analog output drivers generate a currrent of which the drive level can be user-modified by choice of an
appropriate resistor value RFS, connected to the FSADJ pin. Refer to the paragraph on output amplitude
control for details on how the output drive is affected by the operation mode of the device.
All current sources derive their amplitudes from an internal generator that produces a 1.2V reference level. All
current source amplitudes (video, blanking, sync) are derived from this reference
so that the relative
amplitudes of sync/blank/video are always equal to their nominal relationships. For increased stability on the
absolute levels, the user can overdrive the reference by directly driving the VREF terminal.
Figure 7 shows the nominal voltage output levels in video mode. Note that in all modes (RGB & YPbPr) the
blanking level corresponds to 350mV. The position of the blanking level stays constant in both sync-on-Y or
sync-on-all modes, and whether actual sync insertion is used or not on the device. In generic mode, the DAC
output swing for full-scale or reduced-scale input codes (depending on device configuration) is 0 to 700mV.
AVSS
50mV
350mV
650mV
1050mV
50mV
350mV
650mV
700mV
R,G,B,Y
Pb,Pr
Figure 7: Typical DAC output waveforms in ‘video’ mode
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相關代理商/技術參數 |
參數描述 |
|---|---|
| THS8135EVM | 功能描述:視頻 IC 開發工具 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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