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參數資料
型號: TVP5146PFPRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 顏色信號轉換
英文描述: COLOR SIGNAL DECODER, PQFP80
封裝: PLASTIC, HTQFP-80
文件頁數: 16/106頁
文件大小: 1500K
代理商: TVP5146PFPRG4
9
SLES084C August 2007
TVP5146
2
Functional Description
2.1
Analog Processing and A/D Converters
Figure 21 shows a functional diagram of the analog processors and ADCs. This block provides
the analog interface to all video inputs. It accepts up to 10 inputs and performs source selection,
video clamping, video amplification, A/D conversion, and gain and offset adjustments to center
the digitized video signal.
Clamp
PGA
10-Bit
ADC
CH4 A/D
PGA
CH1 A/D
PGA
CH2 A/D
PGA
CH3 A/D
Line-Locked
Sampling Clock
TVP5146 Analog Front End
VI_4_A
M
U
X
VI_1_A
VI_1_B
VI_1_C
M
U
X
VI_2_A
VI_2_B
VI_2_C
M
U
X
VI_3_A
VI_3_B
VI_3_C
10-Bit
ADC
10-Bit
ADC
10-Bit
ADC
Clamp
Figure 21. Analog Processors and A/D Converters
2.1.1 Video Input Switch Control
The TVP5146 decoder has 4 analog channels that accept up to 10 video inputs. The user can
configure the internal analog video switches via the I2C interface. The 10 analog video inputs
can be used for different input configurations, some of which are:
Up to 10 selectable individual composite video inputs
Up to four selectable S-video inputs
Up to three selectable analog YPbPr/RGB video inputs and one CVBS input
Up to two selectable analog YPbPr/RGB video inputs, two S-video inputs, and two CVBS inputs
The input selection is performed by the input select register at I2C subaddress 00h (see Section
2.11.1).
相關PDF資料
PDF描述
TVP5146PFP COLOR SIGNAL DECODER, PQFP80
TVP5146PFPR COLOR SIGNAL DECODER, PQFP80
TVP5146PFPG4 COLOR SIGNAL DECODER, PQFP80
TVP5147M1PFPG4 COLOR SIGNAL DECODER, PQFP80
TVP5147M1PFPRG4 COLOR SIGNAL DECODER, PQFP80
相關代理商/技術參數
參數描述
TVP5147EVM 功能描述:視頻 IC 開發工具 TVP5147 Eval Mod 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
TVP5147M1 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL/SECAM 2x10-Bit Digital Video Decoder With Macrovision Detection, YPbPr Inputs, and 5-Line Comb Felter
TVP5147M1_08 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL/SECAM 2x10-Bit Digital Video Decoder With Macrovision Detection, YPbPr Inputs, and 5-Line Comb Felter
TVP5147M1IPFP 功能描述:視頻 IC 10B Hi Qual Sgl-Chip Dig Video Decoder RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
TVP5147M1IPFPR 功能描述:視頻 IC 10B Hi Qual Sgl-Chip Dig Video Decoder RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
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