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参数资料
| 型号： | LM1881N-X/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 信号分离 |
| 英文描述： | SYNC SEPARATOR IC, PDIP8 |
| 封装： | PLASTIC, DIP-8 |
| 文件页数： | 1/12页 |
| 文件大小： | 688K |
| 代理商： | LM1881N-X/NOPB |
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,
faster horizontal rate video signals. The vertical output is
produced 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 occur within the externally set delay period, such as
might be the case for a non-standard video signal.
Features
n
AC coupled composite input signal
n >
10 k
input resistance
n <
10 mA power supply drain current
n
Composite sync and vertical outputs
n
Odd/even field output
n
Burst gate/back porch output
n
Horizontal scan rates to 150 kHz
n
Edge triggered vertical output
n
Default triggered vertical output for non-standard video
signal (video games-home computers)
Connection Diagram
LM1881N
00915001
Order Number LM1881M or LM1881N (0C to +70C)
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.
May 2006
LM1881
V
ideo
Sync
Separator
2006 National Semiconductor Corporation
DS009150
www.national.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM1881-X | 制造商:NSC 制造商全称:National Semiconductor 功能描述:LM1881 Video Sync Separator |
| LM1882 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Programmable Video Sync Generator |
| LM1882CM | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| LM1882CN | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Programmable Video Sync Generator |
| LM1882-R | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Programmable Video Sync Generator |
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