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參數(shù)資料
| 型號： | LM1881MX |
| 英文描述： | TV/Video Sync Circuit |
| 中文描述： | 電視/視頻同步電路 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 172K |
| 代理商： | LM1881MX |
TL/H/9150
L
February 1995
LM1881 Video Sync Separator
General Description
The LM1881 Video sync separator extracts timing informa-
tion including composite and vertical sync, burst/back porch
timing, and odd/even field information from standard nega-
tive going sync NTSC, PAL
*
, and SECAM video signals with
amplitude from 0.5V to 2V p-p. The integrated circuit is also
capable of providing sync separation for non-standard, fast-
er horizontal rate video signals. The vertical output is pro-
duced on the rising edge of the first serration in the vertical
sync period. A default vertical output is produced after a
time delay if the rising edge mentioned above does not oc-
cur within the externally set delay period, such as might be
the case for a non-standard video signal.
Features
Y
AC coupled composite input signal
Y
l
10 k
X
input resistance
Y
k
10 mA power supply drain current
Y
Composite sync and vertical outputs
Y
Odd/even field output
Y
Burst gate/back porch output
Y
Horizontal scan rates to 150 kHz
Y
Edge triggered vertical output
Y
Default triggered vertical output for non-standard video
signal (video games-home computers)
Connection Diagram
LM1881N
TL/H/9150–1
Order Number LM1881M or LM1881N
See NS Package Number M08A or N08E
*
PAL in this datasheet refers to European broadcast TV standard ‘‘Phase Alternating Line’’, and not to Programmable Array Logic.
C
1995 National Semiconductor Corporation
RRD-B30M115/Printed in U. S. A.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM1881M-X | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:LM1881 Video Sync Separator |
| LM1881MX/NOPB | 功能描述:視頻 IC VIDEO SYNC SEPARATOR 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 |
| LM1881M-X/NOPB | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
| LM1881MX-X/NOPB | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
| LM1881N | 功能描述:視頻 IC 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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