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參數(shù)資料
| 型號(hào)： | LC7441NE |
| 元件分類(lèi)： | 畫(huà)面疊加 |
| 英文描述： | PICTURE-IN-PICTURE IC, PQFP64 |
| 封裝： | QIP-64 |
| 文件頁(yè)數(shù)： | 20/20頁(yè) |
| 文件大小： | 410K |
| 代理商： | LC7441NE |
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LC7441N, 7441NE
No.3941–9/20
Function Description
NTSC/PAL
NTSC/PAL should be tied HIGH for NTSC, and LOW
for PAL.
TV/VCR
TV/VCR should be tied HIGH for television mode, and
LOW for VCR mode. The differences between the two
modes are shown in the following table and figure.
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Note
The shaded D/A converter outputs indicate frame data. t1=132ns, t2=396ns, t3=528ns, t4=176ns, t5=308ns, t6=352ns,
t7=220ns, t8=616ns, and t9=484ns
A/D Converter Interface
The PIP controller interfaces with an LC7480 multiplex-
ing A/D converter using the AD0 to AD5 and VREF
inputs and CLAMPAD, YSW, RSW, BSW and ADCLK
outputs. The LC7480 converts the Y, R – Y and B – Y
video signals into 6-bit digital data which is input to the
PIP on AD0 to AD5. YSW, RSW and BSW control the
LC7480 input multiplexer. The conversion sequence is Y,
R – Y, Y, B – Y, as shown in the following figure. The
conversion frequencies are shown in the following table.
The LC7441 and LC7480 should be mounted as closely
as possible and care taken with the PCB layout because
of the high signal frequencies.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LC7442 | PICTURE-IN-PICTURE IC, PDIP64 |
| LC7442E | PICTURE-IN-PICTURE IC, PQFP64 |
| LC7455A | SPECIALTY CONSUMER CIRCUIT, PDIP16 |
| LC7455M | SPECIALTY CONSUMER CIRCUIT, PDSO18 |
| LC7456A | SPECIALTY CONSUMER CIRCUIT, PDIP16 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC7442 | 制造商:SANYO 制造商全稱(chēng):Sanyo Semicon Device 功能描述:PIP Controller |
| LC7442E | 制造商:SANYO 制造商全稱(chēng):Sanyo Semicon Device 功能描述:PIP Controller |
| LC7444 | 制造商:SANYO 制造商全稱(chēng):Sanyo Semicon Device 功能描述:Dual VCO |
| LC744E | 制造商:Brady Corporation 功能描述:PRINZING SMALL YELLOW LOCKOUT BOARD |
| LC7450 | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述: |
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