LM386N-1/NOPB Audio Amplifiers by Texas Instruments
The Texas Instruments LM386N-1/NOPB is a popular low-voltage audio power amplifier designed for simple, space-efficient sound amplification. It operates with minimal external components and delivers reliable output for small speakers, making it ideal for portable and battery-powered electronics.
Classified under bold: Semiconductors, Integrated Circuits - ICs, Audio ICs, Audio Amplifiers, this device has become a go-to solution for engineers, hobbyists, and product designers who need compact, efficient audio performance.
Original components are available from Xonelec.
Technical Specifications of LM386N-1/NOPB
Manufacturer: Texas Instruments
Part Number: LM386N-1/NOPB
Type: Low Voltage Audio Power Amplifier
Supply Voltage: 4V – 12V
Output Power: Up to 325mW (8O load)
Gain: Adjustable (20 to 200)
Package: DIP-8 through hole
Low Quiescent Current
Category: Semiconductors, Integrated Circuits - ICs, Audio ICs, Audio Amplifiers
These specifications make it perfect for low-power sound systems.
Key Features of LM386N-1/NOPB
Wide supply voltage range
Minimal external components required
Adjustable voltage gain
Low distortion and noise
Battery-friendly low power consumption
Compact DIP package for easy PCB mounting
These advantages position it among the most trusted Semiconductors, Integrated Circuits - ICs, Audio ICs, Audio Amplifiers in small audio designs.
Applications of LM386N-1/NOPB
Commonly used in:
Such systems rely on dependable Semiconductors, Integrated Circuits - ICs, Audio ICs, Audio Amplifiers for clean and consistent sound output.
Working Principle Overview
Input Stage:
Small audio signal is applied to the amplifier input.
Amplification:
Internal gain boosts signal voltage and current.
Output Stage:
Amplified signal drives a speaker directly.
Because it integrates multiple stages into one chip, designers can simplify circuits compared to discrete Semiconductors, Integrated Circuits - ICs, Audio ICs, Audio Amplifiers solutions.
Typical Wiring Configuration
Basic Connections:
This straightforward setup allows quick implementation in prototypes or production boards.
Use Case Scenario – Portable Speaker Module
Scenario: Compact Bluetooth speaker needed efficient amplification.
Problem: Discrete transistor amps consumed too much space.
Solution: LM386N-1/NOPB integrated amplifier used.
Result: Smaller PCB, reduced parts count, and longer battery life.
This demonstrates why engineers prefer Semiconductors, Integrated Circuits - ICs, Audio ICs, Audio Amplifiers like the LM386 series.
Download Datasheet
For electrical characteristics, gain configuration, and reference circuits, download the official LM386N-1/NOPB datasheet from the product page at XON.
Conclusion
The LM386N-1/NOPB audio amplifier offers a simple, efficient, and low-cost solution for compact sound applications. With low voltage operation, adjustable gain, and minimal components, it remains one of the most versatile Semiconductors, Integrated Circuits - ICs, Audio ICs, Audio Amplifiers for portable and embedded designs.
Choose genuine stock from XON to ensure performance and reliability.
FAQs – LM386N-1/NOPB
Q1. What voltage does this amplifier operate on?
It works from 4V to 12V DC.
Q2. Can it directly drive a speaker?
Yes, it can drive an 8O speaker without extra stages.
Q3. Is the gain adjustable?
Yes, gain can be set from 20 to 200 using external capacitors.
Q4. Is it suitable for battery devices?
Yes, it features low current consumption.
Q5. Where can I buy it online?
Available directly at XON.