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參數資料
| 型號： | ADV7160KS170 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 顯示控制器 |
| 英文描述： | 96-Bit, 220 MHz True-Color Video RAM-DAC |
| 中文描述： | 1600 X 1200 PIXELS PALETTE-DAC DSPL CTLR, PQFP160 |
| 封裝： | THERMALLY ENHANCED, PLASTIC, QFP-160 |
| 文件頁數： | 33/44頁 |
| 文件大小： | 668K |
| 代理商： | ADV7160KS170 |
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ADV7160/ADV7162
REV. 0
–33–
Table III. Video Output Truth Table
O/P with Sync
Enabled (mA)
O/P with Sync
Disabled (mA)
SYNC
BLANK
DAC
Input Data
Description
WHITE LEVEL
VIDEO
VIDEO to BLANK
BLACK LEVEL
BLACK to BLANK
BLANK LEVEL
SYNC
LEVEL
26.67
Video + 9.05
Video + 1.44
9.05
1.44
7.62
0
19.05
Video + 1.44
Video + 1.44
1.44
1.44
0
0
1
1
0
1
0
1
0
1
1
1
1
1
0
0
3FFH
Data
Data
000H
000H
xxxH
xxxH
Variations on RS-343A
Various other video output configurations can be implemented
by the ADV7160/ADV7162, including RS-170. The table
shows calculated values of DAC Gain for some of the most
common variants on the RS-343A standard. The associated
waveforms are shown in the diagrams.
Gain
Video Signal
4224
4311
5592
RS343A,
SYNC
decoded on output; Pedestal = 0 IRE
RS343A, No
SYNC
decoded; Pedestal = 0 IRE
RS170,
SYNC
decoded; Pedestal = 7.5 IRE
100 IRE
43 IRE
0.302
8.05
0
0
1.000
26.67
0.698
18.62
0
0
mA
V
mA
V
OUTPUT WITHOUT
SYNC
ENCODED
OUTPUT WITH
SYNC
ENCODED
WHITE
LEVEL
BLANK/
LEVEL
SYNC
GE CL
Figure 48. Composite Video Waveform SYNC
Decoded; Pedestal = 0 IRE; DAC Gain = 4224
92.5 IRE
40 IRE
0.400
10.67
0
0
1.400
37.33
1.00
26.67
0
0
mA
V
mA
V
OUTPUT WITHOUT
SYNC
ENCODED
OUTPUT WITH
SYNC
ENCODED
WHITE
BLANK
LEVEL
SYNC
7.5 IRE
BLACK
LEVEL
TRISYNC
0.475
12.67
0.075
2.00
0.800
21.24
GREYSCALE
Figure 49. Composite Video Waveform SYNC and
TRISYNC decoded; Pedestal = 7.5 IRE; DAC Gain = 5592
GE CL
100 IRE
0
0
0.714
19.05
mA
V
OUTPUT WITHOUT
SYNC
ENCODED
WHITE LEVEL
BLANK/BLACK
LEVEL
Figure 50. Composite Video Waveform Pedestal = 0
IRE; DAC Gain = 4311
Output Currents
The various output currents are set by V
REF
, R
SET
and the DAC
gain. By programming the Command Register Bits and choos-
ing the correct DAC Gain value, video waveforms conforming
to the common variations on RS-170 and RS-343A, as well as
HDTV standards may be generated. The currents generated
can be summarized as:
I
OUT
=
I
DAC
+
I
BLANK
+
I
SYNC
+
I
TRISYNC
I
DAC
(
mA
)
=
DAC GAIN
×
V
REF
R
SET
I
BLANK
(
mA
)
=
0.0817
×
I
DAC
I
SYNC
(
mA
)
=
0.4322
×
I
DAC
I
TRISYNC
(
mA
)
=
0.4322
×
I
DAC
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADV7160KS220 | 制造商:Analog Devices 功能描述: 制造商:Rochester Electronics LLC 功能描述: |
| ADV7162 | 制造商:AD 制造商全稱:Analog Devices 功能描述:96-Bit, 220 MHz True-Color Video RAM-DAC |
| ADV7162KS140 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| ADV7162KS170 | 制造商:AD 制造商全稱:Analog Devices 功能描述:96-Bit, 220 MHz True-Color Video RAM-DAC |
| ADV7162KS220 | 制造商:Analog Devices 功能描述:DAC 3-CH Segment 10-bit 160-Pin MQFP 制造商:Rochester Electronics LLC 功能描述:220 MHZ VIDEO RAM DAC I.C. - Bulk |
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