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參數資料
| 型號： | LM2476 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Monolithic Triple Channel 6.5 ns High Gain CRT Driver and Bias Clamp |
| 中文描述： | 單片6.5納秒三通道CRT顯示器驅動高增益和偏置夾 |
| 文件頁數： | 1/12頁 |
| 文件大?。?/td> | 1235K |
| 代理商： | LM2476 |
LM2476
Monolithic Triple Channel 6.5 ns High Gain CRT Driver
and Bias Clamp
General Description
The LM2476 is a monolithic triple channel CRT driver and
triple bias clamp for low-cost color monitor applications. The
highly integrated IC contains three wide-band amplifiers for
driving the RGB cathodes of a CRT through external cou-
pling capacitors and three low-band clamp amplifiers for DC
restoration and cutoff adjustment of the video outputs. The
CRT drivers have a high, fixed gain of -27 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 19-lead TO-247 molded plastic
package and must be operated with a properly chosen heat
sink. See the Package Mounting and Thermal Consider-
ations sections for more information.
Features
n
Well-matched to the LM123X/4X family of preamplifiers
n
Operates with V
CC
= 60V to 90V
n
Convenient TO-247 staggered lead package style
CRT Drivers
n
High gain of –27 for up to 60V
P-P
output swing
n
Stable with capacitive loads and inductive peaking
networks
Bias Clamps
n
Gain of –17 for up to 60V DC output range
Applications
n
1024 x 768 displays up to 85 Hz refresh rate
n
Pixel clock frequencies up to 95 MHz
n
Monitors using video blanking
Pinout Diagram and Pin Descriptions
Pin Name
IND
INC
V
BB
V
CC
GND*
OUTC
OUTD
*
Note:
All GND pins should be connected together via low HF impedance
traces on the PCB.
Pin Description
Driver Input Pins (1, 3, 4)
Clamp Input Pins (6, 7, 8)
Bias Voltage Pin (2)
Supply Voltage Pin (14)
Ground Pins (5, 10, 12, 16, 18)
Clamp Output Pins (9, 11, 13)
Driver Output Pins (15, 17, 19)
20121901
Note:
Tab is at GND
FIGURE 1. Pinout and Connection Diagram
January 2004
L
2005 National Semiconductor Corporation
DS201219
www.national.com
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| LM2480NA | RES 9.1K OHM 1/2W 5% CARBON FILM |
| LM24 | Monolithic Triple 9.5 ns CRT Driver |
| LM2409 | Monolithic Triple 9.5 ns CRT Driver |
| LM2409T | Monolithic Triple 9.5 ns CRT Driver |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LM2476TB | 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 |
| LM2476TB/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 |
| LM2479 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:120V Triple Bias Clamp |
| LM2479BN WAF | 制造商:Texas Instruments 功能描述: |
| LM2479NA | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:120V Triple Bias Clamp |
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