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參數(shù)資料
| 型號： | LM1279AN |
| 元件分類： | 視頻放大器 |
| 英文描述： | Triple Video Amplifier |
| 中文描述： | 三路視頻放大器 |
| 文件頁數(shù)： | 6/13頁 |
| 文件大?。?/td> | 511K |
| 代理商： | LM1279AN |
Pin Descriptions
Pin
No.
1
Pin
Name
Schematic
Description
Red OSD Input
These are standard TTL inputs. An OSD
signal at any of the three pins will
automatically switch the pre-amp into the
OSD mode. 7 colors, including white, are
available.
19
Blue OSD Input
20
Green OSD Input
2
3
V
CC1
Red Video In
Power supply pin (excluding output stage)
Video inputs. These inputs must be AC
Coupled with a minimum of a 1 μF cap, 10
μF is preferred. A series resistor of about
33
must be used for ESD protection.
5
Green Video In
8
Blue Video In
4
Red Clamp Cap
The external clamp cap is charged and
discharged to the correction voltage
needed for DC restoration. 0.1 μF is the
recommended value.
7
Green Clamp Cap
9
Blue Clamp Cap
6
Ground
Contrast
Ground pin.
Contrast control pin:
4V - no attenuation
0V - over 40 dB attenuation
Drive control pins:
4V - no attenuation
0V - 20 dB attenuation
10
12
Blue Drive
14
Green Drive
17
Red Drive
11
Clamp Pulse
The clamp pulse activates the DC
restoration circuitry. A 3.6V input is
required to activate the clamp pulse.
13
Blue Video Out
Video output. For proper black level the
output must drive 390
impedance.
15
Green Video Out
18
Red Video Out
L
www.national.com
6
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| LM1279DL WAF | 制造商:Texas Instruments 功能描述: |
| LM1279N | 功能描述:IC VIDEO AMP SYS 110MHZ 20-DIP RoHS:是 類別:集成電路 (IC) >> 線性 - 放大器 - 視頻放大器和頻緩沖器 系列:- 標準包裝:1,000 系列:- 應用:驅(qū)動器 輸出類型:差分 電路數(shù):3 -3db帶寬:350MHz 轉(zhuǎn)換速率:1000 V/µs 電流 - 電源:14.5mA 電流 - 輸出 / 通道:60mA 電壓 - 電源，單路/雙路(±):5 V ~ 12 V，±2.5 V ~ 6 V 安裝類型:表面貼裝 封裝/外殼:20-VFQFN 裸露焊盤 供應商設備封裝:20-QFN 裸露焊盤（4x4） 包裝:帶卷 (TR) |
| LM1281 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:85 MHz RGB Video Amplifier System with On Screen Display (OSD) |
| LM1281CL WAF | 制造商:Texas Instruments 功能描述: |
| LM1281N | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Panasonic Industrial Company 功能描述:IC |
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