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參數資料
型號: LM1253AAE/NA
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 畫面疊加
英文描述: ON-SCREEN DISPLAY IC, PDIP28
封裝: 0.600 INCH, PLASTIC, DIP-28
文件頁數: 7/61頁
文件大小: 1671K
代理商: LM1253AAE/NA
Input/Output Schematics (Continued)
National VideoPlex Video System
The LM1253A CRT Pre-Amp in conjunction with the LM2453
CRT driver uses the National VideoPlex multiplexed video
signal to send the video signal and DC clamp level from the
pre-amp to the CRT driver. The basic signal scheme is
shown in
Figure 23.
DS101265-24
FIGURE 21. Pins 23, 24, and 25 (Video Out)
DS101265-25
FIGURE 22. Pin 26 V
REF Out
VIDEO
OSD
BIAS /
H BLANK
Vwhite
Vblacktyp = 2.08V
Vref = 1.735V
Vwhite max = 3.20V
Vwhite typ = 2.84V
Vclampmax = 0.87V
CLAMP SIGNAL RANGE
MAX = 0.9v
VIDEO
MAX RANGE
VIDEO
1.0v
DS101265-26
FIGURE 23. National VideoPlex Video Signal (Pre-Amp Output)
LM1253A
www.national.com
15
相關PDF資料
PDF描述
LM1267NA/NOPB 3 CHANNEL, VIDEO PREAMPLIFIER, PDIP24
LM1269NA/NOPB 3 CHANNEL, VIDEO PREAMPLIFIER, PDIP24
LM1276AAA/NA 1 CHANNEL, VIDEO PREAMPLIFIER, PDIP28
LM1279AN/NOPB 3 CHANNEL, VIDEO AMPLIFIER, PDIP20
LM1279N/NOPB 1 CHANNEL, VIDEO AMPLIFIER, PDIP20
相關代理商/技術參數
參數描述
LM1253AN 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Monolithic Triple 180 MHz I2C CRT Pre-amp With Integrated Analog On Screen Display (OSD) Generator
LM-1256 制造商:ROHM 制造商全稱:Rohm 功能描述:16 x 16 matrix displays
LM-1256_1 制造商:ROHM 制造商全稱:Rohm 功能描述:16】16 matrix displays
LM-1256LB1 制造商:ROHM 制造商全稱:Rohm 功能描述:16】16 matrix displays
LM125AN 制造商:NSC 制造商全稱:National Semiconductor 功能描述:VOLTAGE REGULATORS
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