参数资料
型号: LM1253AAE/NA
厂商: NATIONAL SEMICONDUCTOR CORP
元件分类: 画面叠加
英文描述: ON-SCREEN DISPLAY IC, PDIP28
封装: 0.600 INCH, PLASTIC, DIP-28
文件页数: 7/61页
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
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相关代理商/技术参数
参数描述
LM1253AN 制造商:NSC 制造商全称: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 制造商全称:Rohm 功能描述:16 x 16 matrix displays
LM-1256_1 制造商:ROHM 制造商全称:Rohm 功能描述:16】16 matrix displays
LM-1256LB1 制造商:ROHM 制造商全称:Rohm 功能描述:16】16 matrix displays
LM125AN 制造商:NSC 制造商全称:National Semiconductor 功能描述:VOLTAGE REGULATORS