LM386 Low Voltage Audio Power Amplifier Specifications
The LM386 is a popular and easy-to-use integrated circuit (IC) designed for low-voltage audio power amplification applications. Here's a table summarizing its key specifications:
Parameter
Specification
Type
Low Voltage Audio Power Amplifier
Function
Amplifies an audio input signal to drive speakers or headphones.
Gain
Adjustable:
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* Internal fixed gain of 20 (26 dB) * Can be modified from 20 to 200 (with external components) |
| Output Power | Up to 1 Watt (depending on operating voltage and speaker impedance) | | Operating Voltage | 4V to 12V (typical) or 5V to 18V | | Input Impedance | High impedance (typically around 200 kΩ) | | Output Impedance | Low impedance (typically around 4 Ω to 8 Ω) | | Power Consumption | Low quiescent current (around 4 mA) | | Features | * Shutdown Mode (Some versions): Saves power when not in use. * Thermal Overload Protection | * Short Circuit Protection | | Package | Typically DIP-8 or SOIC-8 |