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參數(shù)資料
| 型號： | LM1267NA/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 3 CHANNEL, VIDEO PREAMPLIFIER, PDIP24 |
| 封裝： | PLASTIC, DIP-24 |
| 文件頁數(shù)： | 2/20頁 |
| 文件大小： | 1702K |
| 代理商： | LM1267NA/NOPB |
Pin Descriptions (Continued)
Pin No.
Pin Name
Schematic
Description
18
19
20
Blue Video Out
Green Video Out
Red Video Out
Video outputs of the LM1267. The ideal
driver for this part is the LM246X CRT driver
family, which has the necessary gain of 26
dB or 20 V/V.
21
V
Ref Out
A 0.1 F capacitor must be placed close to
this pin for decoupling the internal V
Ref. This
pin may be used for an external voltage
reference with proper buffering.
22
ABL
The Auto Beam Limit control reduces the
gain of the video amplifier in response to a
control voltage proportional to the CRT beam
current. The ABL acts identically on all three
channels. ABL is required for CRT life and
X-ray protection.
23
Clamp Pulse
This input accepts a standard TTL or CMOS
input. The signal can be either positive or
negative going. The polarity is set in register
0Bh bit-3. The signal activates the clamp
pulse for DC restoration of the video input.
The AC coupling capacitors at the video
inputs are used for holding the DC correction
voltage, eliminating the need for additional
capacitors.
24
H Flyback
H flyback is an analog signal input from the
monitor horizontal scan. The LM1267 is able
to generate an accurate blanking pulse in
the video outputs from this input. The
horizontal flyback from the monitor must be
a clean signal, with no ringing or other noise
on the signal.
LM1267
www.national.com
10
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM1269 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:110 MHz I2C Compatible RGB Video Amplifier System with OSD & DACs |
| LM1269DNA | 制造商:Texas Instruments 功能描述: |
| LM1269DNA/NOPB | 功能描述:IC PREAMP CMOS 110MHZ 24-DIP RoHS:是 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 產(chǎn)品變化通告:Product Discontinuation 07/Mar/2011 標準包裝:3,000 系列:OMNITUNE™ 類型:調(diào)諧器 應(yīng)用:移動電話，手機，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應(yīng)商設(shè)備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064 |
| LM1269NA | 制造商:Texas Instruments 功能描述:Video Amplifiers 制造商:Texas Instruments 功能描述:-LIFETIME BUYS TIL 05/12 |
| LM1269NA/NOPB | 功能描述:視頻放大器 RoHS:否 制造商:ON Semiconductor 通道數(shù)量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel |
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