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参数资料
| 型号： | THS8135-80CPHP |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | DAC |
| 英文描述： | PARALLEL, WORD INPUT LOADING, 10-BIT DAC, PQFP48 |
| 封装： | POWER, TQFP-48 |
| 文件页数： | 7/24页 |
| 文件大小： | 546K |
| 代理商： | THS8135-80CPHP |
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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| THS8135PHP | PARALLEL, WORD INPUT LOADING, 0.015 us SETTLING TIME, 10-BIT DAC, PQFP48 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| THS8135EVM | 功能描述:视频 IC 开发工具 Triple 10B 240MSPS RoHS:否 制造商:Texas Instruments 产品:Evaluation Boards 类型:YPbPr to RGBHV Converters 工具用于评估:LMH1251 工作电源电压:5 V |
| THS8135PHP | 功能描述:数字化视频/模拟转换器集成电路 Triple 10B 240MSPS Video DAC RoHS:否 制造商:Texas Instruments 转换器数量:3 输出类型:Current 转换速率:180 MSPs 分辨率:10 bit 接口类型:Parallel 电压参考:Internal or External 积分非线性:- 2.5 LSB, 1.5 LSB 电源电压-最大:3.6 V 电源电压-最小:3 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:HTQFP 封装:Tray |
| THS8135PHP | 制造商:Texas Instruments 功能描述:10BIT DAC 240MSPS TRIPLE SMD |
| THS8135PHPG4 | 功能描述:数字化视频/模拟转换器集成电路 Tr 10B 240MSPS Video DAC RoHS:否 制造商:Texas Instruments 转换器数量:3 输出类型:Current 转换速率:180 MSPs 分辨率:10 bit 接口类型:Parallel 电压参考:Internal or External 积分非线性:- 2.5 LSB, 1.5 LSB 电源电压-最大:3.6 V 电源电压-最小:3 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:HTQFP 封装:Tray |
| THS8136 | 制造商:TI 制造商全称:Texas Instruments 功能描述:TRIPLE 10-BIT 180-MSPS GRAPHICS AND VIDEO DAC |
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