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LM2470 Monolithic Triple 7.0 ns CRT Driver

April 2004

LM2470

Monolithic Triple 7.0 ns CRT Driver

General Description

The LM2470 is an integrated high voltage CRT driver circuit

designed for use in color monitor applications. The IC con-

tains three high input impedance, wide band amplifiers

which directly drive the RGB cathodes of a CRT. Each

channel has its gain internally set to 鈭?7 and can drive CRT

capacitive loads as well as resistive loads present in other

applications, limited only by the package鈥檚 power dissipation.

The IC is packaged in an industry standard 9-lead TO-220

molded plastic power package. See the Thermal Consider-

ations section for more information.

Features

Well matched to the LM1236/46 CMOS preamplifiers

Swing up to 60

PP

(15V - 75V)

0V to 3.75V input range

Stable with 0鈥?0 pF capacitive loads and inductive

peaking networks

n

Convenient TO-220 staggered lead package style

n

Maintains standard LM246X Family pinout which is

designed for easy PCB layout

n

n

n

n

Applications

n

1024 x 768 displays up to 85 Hz refresh

n

Pixel clock frequencies up to 95 MHz

n

Monitors using video blanking

Schematic Diagram

20087101

FIGURE 1. Simplified Schematic Diagram

(One Channel)

漏 2004 National Semiconductor Corporation

DS200871

www.national.com

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LM2470TA相關(guān)型號(hào)PDF文件下載

• 型號(hào)
  版本
  描述
  廠商
  下載
• LM24
  英文版
  National Semiconductor [Monolithic Triple 7.5 ns CRT Driver...
  NSC
  LM24
• LM241
  英文版
  INFRARED LAMP LED
  SEOUL
  LM241
• LM246
  英文版
  PROGRAMMABLE QUAD BIPOLAR OPERATIONAL AMPLIFIERS
  
  LM246
• LM246
  英文版
  PROGRAMMABLE QUAD BIPOLAR OPERATIONAL AMPLIFIERS
  STMicro
  LM246
• LM248
  英文版
  QUADRUPLE OPERATIONAL AMPLIFIERS
  TI
  LM248
• LM248
  英文版
  FOUR UA741 QUAD BIPOLAR OPERATIONAL AMPLIFIERS
  
  LM248
• LM248
  英文版
  Quad 741 Op Amps LM149 Wide Band Decompensated (AV MIN = 5)
  NSC
  LM248
• LM248
  英文版
  QUADRUPLE OPERATIONAL AMPLIFIERS
  LM248
• LM248
  英文版
  Quad 741 Op Amps
  LM248
• LM248
  英文版
  FOUR UA741 QUAD BIPOLAR OPERATIONAL AMPLIFIERS
  STMicro
  LM248
• LM2402
  英文版
  Monolithic Triple 3 ns CRT Driver
  NSC
  LM2402
• LM2402
  英文版
  Monolithic Triple 3 ns CRT Driver
  LM2402
• LM2403
  英文版
  National Semiconductor [Monolithic Triple 4.5 nS CRT Driver...
  NSC
  LM2403
• LM2405
  英文版
  Monolithic Triple 7 ns CRT Driver
  NSC
  LM2405
• LM2405
  英文版
  Monolithic Triple 7 ns CRT Driver
  LM2405
• LM2406
  英文版
  Monolithic Triple 9 ns CRT Driver
  NSC
  LM2406
• LM2406
  英文版
  Monolithic Triple 9 ns CRT Driver
  LM2406
• LM2407
  英文版
  Monolithic Triple 7.5 nS CRT Driver
  NSC
  LM2407
• LM2407
  英文版
  Monolithic Triple 7.5 nS CRT Driver
  LM2407
• LM2408
  英文版
  National Semiconductor [Monolithic Triple 4.5 ns CRT Driver...
  NSC
  LM2408

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