Datasheet > ET-LM386

ET-LM386

更新时间： 2024-09-18 12:51:39

品牌	Logo	应用领域
伊泰克 - ESTEK		放大器功率放大器
页数	文件大小	规格书
1页	293K
描述
The MIK386 is a power amplifier designed for use in low voltage consumer applications

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ET-LM386 数据手册

ET- LM386

Description

The MIK386 is a power amplifier designed for use in low voltage consumer applications. The gain is internally set to 20 to keep external

part count low, but the addition of an external resistor and capasitor between pins 1 and 8 will increase the gain to any value up to 200.

The inputs are ground referenced while the output is automatically biased to one half the supply voltage. The quiescent power drain is

only 24 milliwatts when operating from a 6 volt supply, making the MIK386 ideal for battery operation.

Features

Applications

•

Battery operation

•

AM-FM radio amplifiers

Portable tape player amplifiers

Intercoms

Minimun external parts

Wide supply voltage range 4V to 12V

Low quiescent current drain 4mA (Typ)

Voltage gains: 20 - 200

TV sound systems

Line drivers

Ground referenced input

Ultrasonic drivers

Small servo drivers

Power converters

Self-centering output quiescent voltage

Low distortion

Typical Applications

Pin connection

Amplifier with Gain=50 (34dB)

Vcc

1.2K

10 F

250

V_I

MIK386

10K

R_L

BYPASS

0.05

Absolute Maximum Ratings

Symbol

V_CC

Parameter

Maximum

Units

Supply voltage

Power dissipation

Input voltage

P_D

660

V_IN

±0.4

+150

-20 ... +70

-40 ...+125

T_J

Junction temperature

Operating temperature

Storage temperature

°C

T_OPR

T_STG

°C

Electrical Characteristics

(T_A=25°C, V_CC=6V, R_L=8Ω, f=1KHz, unless otherwise specified)

Parameter

Quiescent Current

Symbol

I_CCQ

Conditions

Min

Typ

Max

Units

V_IN=0

Output Power

Voltage Gain

Bandwidth

P_OUT

V_CC=6V, THD=10%

250

500

325

700

_CC=9V, THD=10%

A_V

Pins 1 and 8 Open

10 µF from Pin 1 to 8

Pins 1 and 8 Open

300

KHz

10 µF from Pin 1 to 8

Total Harmonic Distortion

Power Supply Rejection Ratio

THD

PSRR

P_OUT=125mW, Pins 1 and 8 Open

C_bypass=10 µF, Pins 1 and 8 Open,

Referred to output

0.2

Input Resistance

Input Bias Current

R_IN

250

kΩ

I_BIAS

Pins 1 and 8 Open

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BEIJING ESTEK ELECTRONICS CO.,LTD

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