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參數資料
| 型號： | LM1282 |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | 運動控制電子 |
| 英文描述： | 110 MHz RGB Video Amplifier System with On Screen Display (OSD) |
| 中文描述： | 110兆赫的RGB視頻放大器系統的屏幕顯示（OSD） |
| 文件頁數： | 1/14頁 |
| 文件大小： | 488K |
| 代理商： | LM1282 |
LM1282
110 MHz RGB Video Amplifier System with On Screen
Display (OSD)
General Description
The LM1282 is a full feature video amplifier with OSD inputs,
all within a 28-pin package. This part is intended for use in
monitors with resolutions up to 1280 x 1024. The video sec-
tion of the LM1282 features three matched video amplifiers
with blanking. All of the video amplifier adjustments feature
high input impedance 0V to 4V DC controls, providing easy
interfacing to bus controlled alignment systems. The OSD
section features three TTL inputs and a DC contrast control.
The switching between the OSD and video section is con-
trolled by a single TTL input. Although the OSD signals are
TTL inputs, these signals are internally processed to match
the OSD logic low level to the video black level. When ad-
justing the drive controls for color balance of the video sig-
nal, the color balance of the OSD display will track these
color adjustments. The LM1282 also features an internal
spot killer circuit to protect the CRT when the monitor is
turned off. For applications without OSD insertion please re-
fer to the LM1205 or LM1208 data sheets.
Features
n
Three wideband video amplifiers 110 MHz
@
3 dB
(4 V
PP
output)
n
TTL OSD inputs, 50 MHz bandwidth
n
On chip blanking, outputs under 0.1 V when blanked
n
High speed Video/OSD switch
n
Independent drive control for each channel for color
balance
n
0V to 4V, high impedance DC contrast control with over
40 dB range
n
0V to 4V, high impedance DC drive control (0 dB to
12 dB range)
n
0V to 4V, high impedance DC OSD contrast control with
over 40 dB range
n
Capable of 7 V
PP
output swing (slight reduction in
bandwidth)
n
Output stage directly drives most hybrid or discrete CRT
drivers
Applications
n
High resolution RGB CRT monitors requiring OSD
capability
Block and Connection Diagram
DS012519-1
FIGURE 1. Order Number LM1282N
See NS Package Number N28B
June 1998
L
1998 National Semiconductor Corporation
DS012519
www.national.com
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LM1282BL WAF | 制造商:Texas Instruments 功能描述: |
| LM1282N | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Panasonic Industrial Company 功能描述:IC |
| LM1283 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:140 MHz RGB Video Amplifier System with On Screen Display (OSD) |
| LM1283N | 功能描述:IC AMP RGB VIDEO SYSTEM 28-DIP RoHS:否 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:驅動器 輸出類型:差分 電路數:3 -3db帶寬:350MHz 轉換速率: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) |
| LM1283N WAF | 制造商:Texas Instruments 功能描述: |
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