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參數資料
| 型號： | LM386-4MWA |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1 W, 1 CHANNEL, AUDIO AMPLIFIER, UUC |
| 封裝： | WAFER |
| 文件頁數： | 1/12頁 |
| 文件大小： | 326K |
| 代理商： | LM386-4MWA |
LM386
Low Voltage Audio Power Amplifier
General Description
The LM386 is a power amplifier designed for use in low volt-
age consumer applications. The gain is internally set to 20 to
keep external part count low, but the addition of an external
resistor and capacitor between pins 1 and 8 will increase the
gain to any value from 20 to 200.
The inputs are ground referenced while the output automati-
cally biases to one-half the supply voltage. The quiescent
power drain is only 24 milliwatts when operating from a 6 volt
supply, making the LM386 ideal for battery operation.
Features
n
Battery operation
n
Minimum external parts
n
Wide supply voltage range: 4V–12V or 5V–18V
n
Low quiescent current drain: 4mA
n
Voltage gains from 20 to 200
n
Ground referenced input
n
Self-centering output quiescent voltage
n
Low distortion: 0.2% (A
V = 20, VS =6V, RL =8,PO =
125mW, f = 1kHz)
n
Available in 8 pin MSOP package
Applications
n
AM-FM radio amplifiers
n
Portable tape player amplifiers
n
Intercoms
n
TV sound systems
n
Line drivers
n
Ultrasonic drivers
n
Small servo drivers
n
Power converters
Equivalent Schematic and Connection Diagrams
DS006976-1
Small Outline,
Molded Mini Small Outline,
and Dual-In-Line Packages
DS006976-2
Top View
Order Number LM386M-1,
LM386MM-1, LM386N-1,
LM386N-3 or LM386N-4
See NS Package Number
M08A, MUA08A or N08E
August 2000
LM386
Low
V
oltage
Audio
Power
Amplifier
2000 National Semiconductor Corporation
DS006976
www.national.com
相關PDF資料 |
PDF描述 |
|---|---|
| LM386MM-1/NOPB | 0.325 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| LM386G-D08-T | 0.7 W, 1 CHANNEL, AUDIO AMPLIFIER, PDIP8 |
| LM386G-P08-R | 0.7 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| LM386G-P08-T | 0.7 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| LM386G-S08-R | 0.7 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LM386CD | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| LM386CS | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| LM386D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Amplifier. Other |
| LM386-D08-T | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:LOW VOLTAGE AUDIO POWER AMPLIFIER |
| LM386G | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single Audio Amplifier |
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