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參數(shù)資料
| 型號(hào)： | ADV473 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | CMOS 135 MHz True-Color Graphics Triple 8-Bit Video RAM-DAC(三通道,8位視頻RAM-DAC) |
| 中文描述： | 135兆赫的CMOS真彩色圖形三路8位顯存，數(shù)模轉(zhuǎn)換器（三通道，8位視頻RAM的援會(huì)） |
| 文件頁(yè)數(shù)： | 10/12頁(yè) |
| 文件大?。?/td> | 155K |
| 代理商： | ADV473 |
ADV473
–10–
REV. A
7.5 IRE
SYNC LEVEL
BLANK LEVEL
BLACK LEVEL
WHITE LEVEL
26.67
1.000
9.05
0.340
7.62
0.286
0.000
0.00
MA
V
92.5 IRE
40 IRE
NOTE:
75
DOUBLY TERMINATED LOAD, SETUP = 7.5 IRE, V
REF
= 1.235 V, R
SET
= 140
RS-343A LEVELS AND TOLERANCES ASSUMED ON ALL LEVELS.
Figure 5. Composite Video Output Waveform (Setup = 7.5 IRE)
T able VI. Video Output T ruth T able (Setup = 7.5 IRE )
I
OUT
(mA)
DAC
Input Data
Description
SYNC BLANK
WHIT E
DAT A
DAT A-SYNC
BLACK
BLACK -SYNC
BLANK
SYNC
26.67
Data+9.05
Data+1.44
9.05
1.44
7.62
0
1
1
0
1
0
1
0
1
1
1
1
1
0
0
FFH
Data
Data
00H
00H
X X H
X X H
NOT E
T ypical with full-scale IOR, IOG, IOB = 26.67 mA, SET UP = 7.5 IRE,
V
REF
= 1.235 V, R
SET
= 140
. External voltage reference adjusted for
26.67 mA full-scale output.
25.24
0.950
7.62
0.286
0.000
0.00
MA
V
SYNC LEVEL
BLACK/BLANK
LEVEL
WHITE LEVEL
100 IRE
43 IRE
NOTE:
75
DOUBLY TERMINATED LOAD, SETUP = 0 IRE, V
REF
= 1.235 V, R
SET
= 140
RS-343A LEVELS AND TOLERANCES ASSUMED ON ALL LEVELS.
Figure 6. Composite Video Output Waveform (Setup = 0 IRE)
T able VII. Video Output T ruth T able (SE T UP = 0 IRE )
I
OUT
(mA)
DAC
Input Data
Description
SYNC BLANK
WHIT E
DAT A
DAT A-SYNC
BLACK
BLACK -SYNC
BLANK
SYNC
25.24
Data+7.62
Data
7.62
0
7.62
0
1
1
0
1
0
1
0
1
1
1
1
1
0
0
FFH
Data
Data
00H
00H
X X H
X X H
NOT E
T ypical with full-scale IOR, IOG, IOB = 25.24 mA, SET UP = 0 IRE,
V
REF
= 1.235 V, R
SET
= 140
. External voltage reference adjusted for
26.67 mA full-scale output.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADV473KP100 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Video DAC with Color Palette (RAMDAC) |
| ADV473KP110 | 制造商:AD 制造商全稱:Analog Devices 功能描述:CMOS 135 MHz True-Color Graphics Triple 8-Bit Video RAM-DAC |
| ADV473KP135 | 制造商:AD 制造商全稱:Analog Devices 功能描述:CMOS 135 MHz True-Color Graphics Triple 8-Bit Video RAM-DAC |
| ADV473KP35 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Video DAC with Color Palette (RAMDAC) |
| ADV473KP50 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Video DAC with Color Palette (RAMDAC) |
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