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參數(shù)資料
| 型號： | LM390N |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | LM390 1W Battery Operated Audio Power Amplifier |
| 中文描述： | 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PDIP14 |
| 封裝： | MDIP-14 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大小： | 162K |
| 代理商： | LM390N |
TL/H/7848
L
April 1995
LM390 1W Battery Operated Audio Power Amplifier
General Description
The LM390 Power Audio Amplifier is optimized for 6V, 7.5V,
9V operation into low impedance loads. The gain is internal-
ly set at 20 to keep the external part count low, but the
addition of an external resistor and capacitor between pins
2 and 6 wil increase the gain to any value up to 200. The
inputs are ground referenced while the output is automati-
cally biased to one half the supply voltage.
Features
Y
Battery operation
Y
1W output power
Y
Minimum external parts
Y
Excellent supply rejection
Y
Ground referenced input
Y
Self-centering output quiescent voltage
Y
Variable voltage gain
Y
Low distortion
Y
Fourteen pin dual-in-line package
Applications
Y
AM-FM radio amplifiers
Y
Portable tape player amplifiers
Y
Intercoms
Y
TV sound systems
Y
Lamp drivers
Y
Line drivers
Y
Ultrasonic drivers
Y
Small servo drivers
Y
Power converters
Equivalent Schematic and Connection Diagrams
TL/H/7848–1
Dual-In-Line Package
TL/H/7848–2
Order Number LM390N
See NS Package Number N14A
C
1995 National Semiconductor Corporation
RRD-B30M115/Printed in U. S. A.
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