參數(shù)資料
型號(hào)： LM2405AT
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： 音頻／視頻放大
英文描述： 3 CHANNEL, VIDEO AMPLIFIER, PZFM11
封裝： PLASTIC, TO-220, 11 PIN
文件頁(yè)數(shù)： 1/9頁(yè)
文件大小： 227K
代理商： LM2405AT
LM2405
Monolithic Triple 7 ns CRT Driver
General Description
The LM2405 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 chan-
nel has its gain internally set at 14 and can drive CRT ca-
pacitive loads as well as resistive loads presented by other
applications, limited only by the package’s power dissipation.
The IC is packaged in an industry standard 11 lead TO-220
molded plastic power package. See thermal considerations
on page 5.
Features
n Rise/fall times typically 7 ns with 8 pF load
n Output swing capability:
50 V
PP for VCC = 80
40 V
PP for VCC = 70
30 V
PP for VCC = 60
n Pinout designed for easy PCB layout
n 0V to 6V input range
n Stable with 0 pF–20 pF capactive loads
n Convenient TO-220 staggered lead package style
Applications
n CRT driver for 1280 x 1024 (Non-interlaced) and XGA
display resolution color monitors
n Pixel clock frequency up to 130 MHz
n Monitors using video blanking
Schematic and Connection Diagram
DS012682-1
FIGURE 1. Simplified Schematic Diagram (One
Channel)
DS012682-2
TabisatGND
Top View
Order Number LM2405T
August 1999
LM2405
Monolithic
T
riple
7
n
s
CRT
Driver
1999 National Semiconductor Corporation
DS012682
www.national.com
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