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參數(shù)資料
| 型號(hào)： | LM1276AAA |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 150 MHz I2C Compatible RGB Preamplifier with Internal 512 Character OSD ROM, 512 Character RAM and 4 DACs |
| 中文描述： | 150 MHz的I2C兼容的RGB前置放大器512個(gè)字符OSD光盤，512個(gè)字符RAM和4 DAC的內(nèi)置 |
| 文件頁(yè)數(shù)： | 9/50頁(yè) |
| 文件大小： | 2597K |
| 代理商： | LM1276AAA |
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OSD vs Video Intensity
The OSD amplitude has been increased over the LM1237
level. During monitor alignment the three gain registers are
used to achieve the desired front of screen color balance.
This also causes the OSD channels to be adjusted accord-
ingly, since these are inserted into the video channels prior
to the gain attenuators. This provides the means to fine-tune
the intensity of the OSD relative to the video as follows. If a
typical starting point for the alignment is to have the gains at
maximum (0x7F) and the contrast at 0x55, the resultant
OSD intensity will be higher than if the starting point is with
the gains at 0x55 and the contrast at maximum (0x7F). This
tradeoff allows the fine-tuning of the final OSD intensity
relative to the video. In addition, the OSD contrast register,
0x85C8[5:3], provides 8 major increments of intensity. To-
gether, these allow setting the OSD intensity to the most
pleasing level.
ESD Protection
The LM1276 features a 3.0 kV ESD protection level (see
(Notes 4, 13)). This is provided by special internal circuitry,
which activates when the voltage at any pin goes beyond the
supply rails by a preset amount. This protection is applied to
all the pins, including SDA and SCL.
L
www.national.com
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM1279 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:110 MHz RGB Video Amplifier System with OSD |
| LM12791DL WAF | 制造商:Texas Instruments 功能描述: |
| LM1279A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| LM1279AN | 功能描述:IC AMP RGB VIDEO SYSTEM 20-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(biāo)準(zhǔn)包裝:1,000 系列:- 應(yīng)用:驅(qū)動(dòng)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(yīng)商設(shè)備封裝:20-QFN 裸露焊盤（4x4） 包裝:帶卷 (TR) |
| LM1279DL WAF | 制造商:Texas Instruments 功能描述: |
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