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參數(shù)資料
| 型號(hào)： | LM1276 |
| 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 |
| 文件頁數(shù)： | 14/50頁 |
| 文件大小： | 2597K |
| 代理商： | LM1276 |
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Pin Descriptions and Application Information
(Continued)
Pin
No.
10
Pin Name
Schematic
Description
PLL V
CC
The ground pin should be connected to the rest
of the circuit ground by a short but independent
PCB trace to prevent contamination by
extraneous signals. The PLL V
CC
pin should be
isolated from the rest of the V
CC
line by a ferrite
bead and bypassed to pin 8 with an electrolytic
capacitor and a high frequency ceramic.
Ground pin and power supply pin for the digital
portion of the LM1276. Note the recommended
charge storage and high frequency capacitors,
which should be as close to pins 11 and 14 as
possible.
11
14
Digital Ground
Digital V
CC
12
SCL
The I
2
C compatible clock line. A pull-up resistor
of about 2.2 k
should be connected between
this pin and V
CC
. A resistor of at least 100
should be connected in series with the clock line
for additional ESD protection.
13
SDA
The I
2
C compatible data line. A pull-up resistor
of about 2.2 k
should be connected between
this pin and V
CC
. A resistor of at least 100
should be connected in series with the data line
for additional ESD protection.
15
H Sync
Logic level horizontal sync signal received from
the MCU or sync stripper circuit. This input can
also be derived from the clamp input as long as
it is a logic level signal.
16
17
Digital Ground
Digital V
CC
Ground pin and power supply pin for the digital
portion of the LM1276. Note the recommended
charge storage and high frequency capacitors,
which should be as close to pins 16 and 17 as
possible.
L
www.national.com
14
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| LM1276AAA | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:150 MHz I2C Compatible RGB Preamplifier with Internal 512 Character OSD ROM, 512 Character RAM and 4 DACs |
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| 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) |
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