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參數(shù)資料
| 型號： | THS8133ACPHP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | DAC |
| 英文描述： | PARALLEL, WORD INPUT LOADING, 0.005 us SETTLING TIME, 10-BIT DAC, PQFP48 |
| 封裝： | PLASTIC, HTQFP-48 |
| 文件頁數(shù)： | 24/25頁 |
| 文件大?。?/td> | 549K |
| 代理商： | THS8133ACPHP |
THS8133, THS8133A, THS8133B
TRIPLE 10BIT, 80 MSPS VIDEO D/A CONVERTER
WITH TRILEVEL SYNC GENERATION
SLVS204C APRIL 1999 REVISED SEPTEMBER 2000
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
blanking generation (continued)
Value
Corresponds
to D(0)
CLK
th
ts
D(0)
td(D)
SYNC
SYNC_T
BLANK
RPr[90]
GY[90]
BPb[90]
D(1)
Figure 6. Sync and Blanking Generation
DAC operation
The analog output drivers generate a current of which the drive level can be user-modified by choice of an
appropriate resistor value RFS, connected to the FSADJ terminal. 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 1.35-V reference level.
All current source amplitudes (video, blanking, sync) also come 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 input terminal.
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 INS3_INT = H. In either
case the relative current levels, as defined below, are maintained.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| THS8133ATQFP | 制造商:TI 制造商全稱:Texas Instruments 功能描述:TRIPLE 10-BIT, 80 MSPS VIDEO D/A CONVERTER WITH TRI-LEVEL SYNC GENERATION |
| THS8133B | 制造商:TI 制造商全稱:Texas Instruments 功能描述:TRIPLE 10-BIT, 80 MSPS VIDEO D/A CONVERTER WITH TRI-LEVEL SYNC GENERATION WITH TRI-LEVEL SYNC GENERATION |
| THS8133BCPGP | 制造商:Texas Instruments 功能描述: |
| THS8133BCPHP | 功能描述:數(shù)字化視頻/模擬轉換器集成電路 10B 80 MSPS Triple 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 |
| THS8133BCPHPG4 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:TRIPLE 10-BIT, 80 MSPS VIDEO D/A CONVERTER WITH TRI-LEVEL SYNC GENERATION WITH TRI-LEVEL SYNC GENERATION |
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