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参数资料
| 型号： | LM1283N |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 140 MHz RGB Video Amplifier System with On Screen Display (OSD) |
| 中文描述： | 3 CHANNEL, VIDEO AMPLIFIER, PDIP28 |
| 封装： | 0.600 IINCH, PLASTIC, DIP-28 |
| 文件页数： | 9/13页 |
| 文件大小： | 401K |
| 代理商： | LM1283N |
Test Circuits
(Continued)
Pin Descriptions
Pin No.
1
2
3
Pin Name
Schematic
Description
Red OSD Input
Green OSD Input
Blue OSD Input
These inputs accept standard TTL inputs. Each
color is either fully on (logic high) or fully off
(logic low). Connect unused pins to ground
with a 47k resistor.
4
Video/OSD Switch
This input accepts a standard TTL input.
H = OSD
L = Video
Connect to ground with a 47k resistor when
not using OSD.
DS012684-12
resistor for protection against EOS (Electrical Over Stress). If the OSD in resistor.
Note: All video inputs must have a series 33
FIGURE 7. LM1283 OSD Video Preamp Demonstration Board Schematic
www.national.com
9
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