The LM386M-1 and LM386MX-1 are power
amplifiers 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 capacitor between pins 1 and 8 increases the gain to any
value from 20 to 200. The inputs are ground referenced while the output
automatically biases to one-half the supply voltage. The quiescent power drain
is only 24 mW when operating from a 6-V supply, making the LM386M-1 and
LM386MX-1 preferred for battery operation.
Features:
Β·
Battery
Operation
Β·
Minimum
External Parts
Β·
Wide Supply
Voltage Range: 4 Vβ12 V or 5 Vβ18 V
Β·
Low Quiescent
Current Drain: 4 mA
Β·
Voltage
Gains from 20 to 200
Β·
Ground-Referenced
Input
Β·
Self-Centering
Output Quiescent Voltage
Β·
Low
Distortion: 0.2% (AV = 20, VS = 6 V, RL = 8 Ξ©, PO = 125 mW, f = 1 kHz)
Β·
Available in
8-Pin MSOP Package
Applications
Β·
AM-FM Radio
Amplifiers
Β·
Portable
Tape Player Amplifiers
Β·
Intercoms
Β·
TV Sound
Systems
Β·
Line Drivers
Β·
Ultrasonic Drivers
Β·
Small Servo
Drivers
Β·
Power
Converters
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