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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： | 8/24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
17
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
Output amplitude control
The current drive on all three output channels and on the internal sync generator is controlled by a resistor
RFS that must be connected between FSADJ and AVSS. In all operation modes the relative amplitudes of the
current drivers are maintained irrespective of the RFS value, as long as a maximum current drive capability is
not exceeded.
The sync generator is composed of different current sources that are internally routed to a corresponding
DAC output. Depending on the setting of INS3_INT during /SYNC low, the sync current drive is added to
either only the green channel output (sync-on-green) if INS3_INT=L or all three channel outputs if
INS3_INT=H, when in video mode. In either case the relative current levels, as defined below, are
maintained.
The exact relationship between RFS and the current drive level on each channel is dependent on the operation
mode of the device: YCbCr vs RGB and ‘full-scale mode’ or ‘reduced ITU-R.BT601 mode’.
The device has an internal voltage reference derived from a bandgap reference of 1.2V. The relationship
between the full-scale current drive level (in full-scale mode) and RFS is given by:
IFS [mA] = α x VREF [V] / RFS []
where
α is dependent on the operation mode of the device.
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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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