- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄384594 > LM1276 (National Semiconductor Corporation) 150 MHz I2C Compatible RGB Preamplifier with Internal 512 Character OSD ROM, 512 Character RAM and 4 DACs PDF資料下載
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)： | 13/50頁 |
| 文件大?。?/td> | 2597K |
| 代理商： | LM1276 |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁當(dāng)前第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁
Typical Performance Characteristics
V
CC
= 5V, T
A
= 25C unless otherwise specified (Continued)
TABLE 2. OSD Register Recommendations
PPL=0
25 - 61
PPL=1
25 - 53
PPL=2
25 - 98
PPL=3
25 - 110
PPL=4
25 - 110
PPL=5
25 - 108
PPL=6
25 - 102
PPL=7
25 - 96
PLL Auto
Pin Descriptions and Application Information
Pin
No.
1
Pin Name
Schematic
Description
V Sync
Logic level vertical sync signal received from the
video card in the PC or sync stripper circuit.
2
4
Analog V
CC
Analog Ground
Ground pin and power supply pin for the input
analog portion of the LM1276. Note the
recommended charge storage and high
frequency capacitors, which should be as close
to pins 2 and 4 as possible.
3
V
REF
R
EXT
External current set resistor, 10k 1%, sets the
internal bias current level for optimum
performance of the LM1276. This resistor should
be placed as close to pin 3 and the pin 4 ground
return as possible.
5
6
7
Blue Video In
Red Video In
Green Video In
These video inputs must be AC coupled with a
.0047 μF cap. Internal DC restoration is done at
these inputs. A series resistor of about 33
and
external ESD protection diodes should also be
used for protection from ESD damage.
8
9
PLL Ground
PLL Filter
Recommended topology and values are shown
to the left. It is recommended that both filter
branches be bypassed to the independent
ground as close to pin 8 as possible. Great care
should be taken to prevent external signals from
coupling into this filter from video, I
2
C, etc.
L
www.national.com
13
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM1276AAA | 150 MHz I2C Compatible RGB Preamplifier with Internal 512 Character OSD ROM, 512 Character RAM and 4 DACs |
| LM139JAN | Low Power Low Offset Voltage Quad Comparators |
| LM1403 | Precision 2.50V Reference |
| LM1403A | Precision 2.50V Reference |
| LM1403AN | Precision 2.50V Reference |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| 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) |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。