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參數(shù)資料
| 型號： | THS8135-240IPHP |
| 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)： | 2/24頁 |
| 文件大?。?/td> | 546K |
| 代理商： | THS8135-240IPHP |
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
11
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
Device configuration
THS8135 samples both M1 and M2 on the 2
nd rising edge of CLK after a transition on /SYNC. Depending on
the polarity of the transition, M1 is interpreted as either M1_INT or BLK_INT. In THS8133 the M1 signal is not
sampled but continuously interpreted, and is only interpreted as M1_INT. THS8133 does not offer a ‘reduced
scale’ mode and therefore does not require BLNK_INT.
Only when this additional functionality, which is typical for video systems, is desired, a small change in
configuration of the device is required by supplying a dynamically changing signal on M1, generated in a
similar way as M2, as will be shown in Table 10 below.
Note that this backward compatibility is due to the selection of modes in Table 7: all modes that have equal
logic levels for BLNK_INT and M1_INT produce full-scale modes, which are compatible with THS8133. This
allows the use of a signal tied high or low on M1, as on THS8133, for the backward compatible full-scale
modes.
DAC outputs
The position of the blanking levels in THS8135 differs from the position of the blanking levels in THS8133.
From Figure 7 below, it follows that this device always positions blanking at 350mV, irrespective of the
operation mode (YPbPr vs. RGB) or sync insertion selection (sync-on-Y/G or sync-on-all). In THS8133, the
position of the blanking level is dependent on the operation mode and sync insertion selection, see THS8133
datasheet. When the DAC output is ac-coupled, as is typically the case, there is no change to the output
video waveform. If it is dc-coupled, the consistent blanking level offset in THS8135 makes it easier to level-
shift the DAC output signals to the desired range.
Video vs. generic modes
THS8133 does not offer a generic mode. THS8135 uses only the same number of control signals than
THS8133 but additionally introduces a generic video mode by specific use of a don’t care signal combination
of these control signals on THS8133.
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| THS8135-240CPHP | PARALLEL, WORD INPUT LOADING, 10-BIT DAC, PQFP48 |
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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(chǎn)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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