Low Voltage Audio Power Amplifier The LM386M-1 is a low-voltage audio power amplifier manufactured by Texas Instruments. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:
### **Manufacturer Specifications:**
- **Manufacturer:** Texas Instruments
- **Type:** Low-Voltage Audio Power Amplifier
- **Operating Voltage Range:** 4V to 12V (or up to 18V with proper heat sinking)
- **Output Power:** 325mW (typical at 6V, 8Ω load)
- **Quiescent Current:** 4mA (typical)
- **Voltage Gain:** 20 to 200 (adjustable via external components)
- **Bandwidth:** 300kHz (typical)
- **Total Harmonic Distortion (THD):** 0.2% (typical at 6V, 8Ω, 125mW)
- **Input Resistance:** 50kΩ (typical)
- **Package:** SOIC-8 (Small Outline Integrated Circuit)
### **Descriptions:**
- The LM386M-1 is designed for battery-operated applications requiring minimal external components.
- It is commonly used in audio amplification for portable devices, intercoms, and small speakers.
- The amplifier features a built-in gain control (default 20x) that can be increased up to 200x using external resistors and capacitors.
### **Features:**
- **Low Power Consumption:** Suitable for battery-powered applications.
- **Wide Supply Voltage Range:** Operates from 4V to 12V (or up to 18V).
- **Minimal External Components:** Requires few additional parts for operation.
- **Adjustable Voltage Gain:** Configurable from 20x to 200x.
- **Low Distortion:** Provides clean audio amplification.
- **Surface-Mount Package (SOIC-8):** Compact footprint for PCB designs.
This information is based solely on the manufacturer's datasheet and technical documentation.
