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參數資料
| 型號： | LM2452 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 220V Monolithic Triple Channel 17 MHz DC Coupled CRT DTV Driver |
| 中文描述： | 220單片三頻道17兆赫直流耦合顯像管電視驅動 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 1098K |
| 代理商： | LM2452 |
LM2452
220V Monolithic Triple Channel 17 MHz DC Coupled CRT
DTV Driver
General Description
The LM2452 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
17 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 HDTV applications using the 1080i format
as well as standard NTSC and PAL formats.
Connection Diagram
Schematic Diagram
20144501
FIGURE 1. Top View
Order Number LM2452TB
See NS Package Number TB15A
20144502
FIGURE 2. Simplified Schematic Diagram
(One Channel)
December 2005
L
2005 National Semiconductor Corporation
DS201445
www.national.com
相關PDF資料 |
PDF描述 |
|---|---|
| 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 |
| LM2459TE | Monolithic Single Channel 15 MHz DTV CRT Driver |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 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 |
| LM2452TB/NOPB | 功能描述:顯示驅動器和控制器 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 |
| LM2453 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Monolithic Triple 6 nS CRT Driver With Integrated Clamp and G1 Blanking |
| LM2453BT WAF | 制造商:Texas Instruments 功能描述: |
| LM2453TA | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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