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參數(shù)資料
| 型號： | LM2450 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 220V Monolithic Triple Channel 7 MHz DC Coupled CRT DTV Driver |
| 中文描述： | 220單片三頻道7兆赫數(shù)字電視陰極射線管直流耦合驅(qū)動器 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 1108K |
| 代理商： | LM2450 |
LM2450
220V Monolithic Triple Channel 7 MHz DC Coupled CRT
DTV Driver
General Description
The LM2450 is a triple channel high voltage DC coupled
CRT driver circuit designed for use in DTV applications. The
IC contains three high input impedance, wide band amplifi-
ers which directly drive the RGB cathodes of a CRT. Each
amplifier has a summing input where the DC level of the
output is controlled by a low voltage DC input voltage. Nor-
mally the DC input voltage is from a DAC. Each channel has
its gain internally set to 54 and can drive CRT capacitive
loads as well as resistive loads present in other applications,
limited only by the package’s power dissipation.
The IC is packaged in a 15-lead TO-247 molded plastic
power package designed specifically to meet high voltage
spacing requirements. See Thermal Considerations section.
Features
n
7 MHz bandwidth
n
100V black level adjustment range using 0V to 5V input
n
Current output for IK feedback systems
n
Greater than 130V
P-P
output swing capability
n
0V to 5V input voltage range
n
Stable with 0 pF–20 pF capacitive loads and inductive
peaking networks
n
Convenient TO-247 staggered thin lead package style
Applications
n
DC coupled DTV applications using the 480p format as
well as standard NTSC and PAL formats.
Connection Diagram
Schematic Diagram
20144301
FIGURE 1. Top View
Order Number LM2450TB
See NS Package Number TB15A
20144302
FIGURE 2. Simplified Schematic Diagram
(One Channel)
December 2005
L
2005 National Semiconductor Corporation
DS201443
www.national.com
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| LM2452 | 220V Monolithic Triple Channel 17 MHz DC Coupled CRT DTV Driver |
| LM2452TB | 220V Monolithic Triple Channel 17 MHz DC Coupled CRT DTV Driver |
| LM2453 | Monolithic Triple 6 nS CRT Driver With Integrated Clamp and G1 Blanking |
| LM2453TA | Monolithic Triple 6 nS CRT Driver With Integrated Clamp and G1 Blanking |
| LM2459 | Monolithic Single Channel 15 MHz DTV CRT Driver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM2451 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:220V Monolithic Triple Channel 12 MHz DC Coupled CRT DTV Driver |
| LM2451TB | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
| LM2451TB/NOPB | 功能描述:顯示驅(qū)動器和控制器 RoHS:否 制造商:Panasonic Electronic Components 工作電源電壓:2.7 V to 5.5 V 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel |
| LM2452 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:220V Monolithic Triple Channel 17 MHz DC Coupled CRT DTV Driver |
| LM2452TB | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:220V Monolithic Triple Channel 17 MHz DC Coupled CRT DTV Driver |
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