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LM386N-1 Datasheet

  • LM386N-1

  • Low Voltage Audio Power Amplifier(Low Voltage Audio Power Am...

  • 8頁

  • WINGS

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LM386-1
Low Voltage Audio Power Amplifier
General Description
The LM386-1
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.
Low Voltage
Audio Power Amplifier
Features
n
n
n
n
n
n
n
n
Battery operation
Minimum external parts
Wide supply voltage range: 4V鈥?2V
Low quiescent current drain: 4mA
Voltage gains from 20 to 200
Ground referenced input
Self-centering output quiescent voltage
Low distortion: 0.2% (A
V
= 20, V
S
= 6V, R
L
= 8鈩? P
O
=
125mW, f = 1kHz)
n
Available in 8 pin SOP package
and DIP package
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
WS386M-1 ideal for battery operation
Applications
n
n
n
n
n
n
n
n
AM-FM radio amplifiers
Portable tape player amplifiers
Intercoms
TV sound systems
Line drivers
Ultrasonic drivers
Small servo drivers
Power converters
Ordering Information
PART NO.
LM386M-1
LM386N-1
PACKAGE
SOP-8
DIP-8
Equivalent Schematic and Connection Diagrams
Small Outline,
Dual in Line Package
Pin Connection
Wing Shing Computer Components Co., (H.K.)Ltd.
Homepage:
http://www.wingshing.com
Tel:(852)2341 9276 Fax:(852)2797 8153
E-mail: wsccltd@hkstar.com
8-1

LM386N-1 產(chǎn)品屬性

  • National Semiconductor (TI)

  • Class-AB

  • 0.325 W x 1 at 8 Ohms

  • 1-Channel Mono

  • 46 dB

  • 0.2 %

  • 5 V, 9 V

  • 1250 mW

  • + 70 C

  • Through Hole

  • MDIP

  • Tube

  • 32 Ohms

  • Single

  • 0 C

  • Single

  • 40

  • Single

  • 12 V

  • 4 V

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