参数资料
型号: TVP5151IPBSQ1
厂商: TEXAS INSTRUMENTS INC
元件分类: 颜色信号转换
英文描述: COLOR SIGNAL DECODER, PQFP32
封装: GREEN, PLASTIC, QFP-32
文件页数: 4/86页
文件大小: 964K
代理商: TVP5151IPBSQ1
TVP5151
SLES241C – SEPTEMBER 2009 – REVISED SEPTEMBER 2010
www.ti.com
Figure 3-2. Chrominance Trap Filter Frequency
Figure 3-3. Chrominance Trap Filter Frequency
Response, NTSC ITU-R BT.601 Sampling
Response, PAL ITU-R BT.601 Sampling
3.4
Color Low-Pass Filter
In some applications, it is desirable to limit the Cb/Cr bandwidth to avoid crosstalk. This is especially true
in case of video signals that have asymmetrical Cb/Cr sidebands. The color LP filters provided limit the
bandwidth of the Cb/Cr signals.
Color LP filters are needed when the comb filtering turns off, due to extreme color transitions in the input
image. See Section 3.21.25, Chrominance Control #2 Register, for the response of these filters. The filters
have three options that allow three different frequency responses based on the color frequency
characteristics of the input video as shown in Figure 3-4.
Figure 3-4. Color Low-Pass Filter with Filter Characteristics, NTSC/PAL ITU-R BT.601 Sampling
12
Functional Description
Copyright 2009–2010, Texas Instruments Incorporated
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TVP5151IPBSRQ1 COLOR SIGNAL DECODER, PQFP32
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TVP5151IPBSR 功能描述:视频 IC UltraLo-Pwr NTSC/PAL SECAM Vid Dec RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel
TVP5151IZQC 功能描述:视频 IC UltraLo-Pwr NTSC/PAL SECAM Vid Dec RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel
TVP5151IZQCR 功能描述:视频 IC UltraLo-Pwr NTSC/PAL SECAM Vid Dec RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel
TVP5151PBS 功能描述:视频 IC UltraLo-Pwr NTSC/PAL SECAM Vid Dec RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel
TVP5151PBSR 功能描述:视频 IC UltraLo-Pwr NTSC/PAL SECAM Vid Dec RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel