Circuitos Integrados

LM386
Low voltage audio power amplifier
PDF datasheet
       
GAIN 1  • 8 GAIN
IN- 2 7 BYPASS
IN+ 3 6 Vcc
GND 4 5 OUT
       
Pin Symbol Description
1 GAIN gain adjustment
2 IN- inverting input
3 IN+ non-inverting input
4 GND ground
5 OUT output
6 Vcc supply voltage
7 BYPASS bypass
8 GAIN gain adjustment


Specifications
(typical values under recommended operating conditions, unless specified)
Parameter Value Unit
Supply voltage 4 (min)
12 (max) 		V
Quiescent current 4 mA
Output power 325 mW
Voltage gain 20 (min)
200 (max)
Bandwidth 300 kHz
Total harmonic distortion 0.2 %

Notes
  • The gain can be varied between 20 and 200 with a resistor in series with a capacitor across pins 1 and 8.

Note
Data is maintained by an independent source and accuracy is not guaranteed. Check with the manufacturer's datasheet for up-to-date information.

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