LM386N-4

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LM386N-4

IC AMP CLASS AB MONO 1W 8DIP

  • Manufacturer
  • Mfr. Part #LM386N-4
  • Package 8-DIP
  • Datasheet
  • In Stock5196

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Specifications

Package Tube
ProductStatus Obsolete
Type Class AB
OutputType 1-Channel (Mono)
MaxOutputPowerxChannels@Load 1W x 1 @ 32Ohm
Voltage-Supply 5V ~ 18V
MountingType Through Hole
OperatingTemperature 0°C ~ 70°C (TA)
SupplierDevicePackage 8-PDIP

Overview

Description

The LM386N-4 is a low-voltage audio power amplifier designed for various audio amplification applications. It operates with a supply voltage range of 4V to 12V, making it suitable for battery-powered devices. The amplifier provides a gain of 125, but this can be externally adjusted using resistors and capacitors, allowing for flexible gain settings.
Key features include low distortion, low noise, and the ability to drive loads of up to 1W into an 8Ω speaker. Its compact 8-pin DIP package simplifies integration into compact electronic designs. The LM386N-4 also includes built-in thermal shutdown and current limiting for protection, enhancing reliability.
Common applications include portable speakers, sound systems, and various DIY electronics projects. Its ease of use, combined with its effectiveness for audio amplification, makes the LM386N-4 a popular choice among hobbyists and professionals alike.

Features

The LM386N-4 is a low-voltage audio power amplifier with several key features:
1. Low Voltage Operation: It operates from a single 4V to 12V power supply, making it suitable for battery-operated devices.
2. Output Power: It provides up to 1W of output power into an 8Ω load, ensuring sufficient audio amplification.
3. Built-in Gain: The amplifier has a fixed gain of 200, which can be adjusted by adding external resistors and capacitors.
4. Low Distortion: It offers low total harmonic distortion (THD), ensuring high-quality audio output.
5. Thermal Protection: The LM386N-4 features internal thermal shutdown to prevent overheating during operation.
6. Compact Package: It comes in an 8-pin DIP package, making it easy to integrate into various electronic circuits.
7. Wide Frequency Response: The amplifier has a frequency response range of 300Hz to 100kHz, suitable for audio applications.
These features make the LM386N-4 ideal for portable and low-power audio amplification applications, such as in radios, toys, and small speakers.

Package

The LM386N-4 is typically packaged in an 8-lead DIP (Dual In-line Package) configuration. It may also be available in surface-mount packages like the SOIC. The DIP version is commonly used for prototyping and breadboard applications.

Pinout

The LM386N-4 is a low-voltage audio power amplifier with a total of 8 pins. Here is the pin configuration and their functions:
1. Input (Pin 1): This is the non-inverting input for the audio signal.
2. Gain (Pin 2): This pin can be connected to a resistor and capacitor to set the gain (default is 200). Connecting a resistor between pins 1 and 2 increases the gain.
3. Bypass (Pin 3): This pin allows for bypassing the internal gain setting (when connected to ground) to improve performance.
4. Vcc (Pin 4): This is the power supply pin; typically connected to a voltage supply of 4-12V.
5. Output (Pin 5): This is the output pin where the amplified audio signal is provided.
6. GND (Pin 6): This is the ground reference pin.
7. Thermal Pad (Pin 7): Used for heat dissipation; may be connected to the ground.
8. Shutdown (Pin 8): This pin allows the amplifier to enter a low-power shutdown mode when connected to ground.
The LM386N-4 is widely used in audio amplification applications due to its simplicity and low power consumption.

Manufacturer

The LM386N-4 is manufactured by Texas Instruments (TI), a well-established semiconductor company. Founded in 1951, Texas Instruments is a global leader in designing and manufacturing analog and embedded processing chips. The company primarily serves various industries, including automotive, industrial, communications, and consumer electronics. TI is known for its innovation in analog technology and offers a wide range of products, including amplifiers, microcontrollers, and sensors. The LM386N-4 is a low-voltage audio power amplifier, widely used in audio applications due to its compact size and efficiency.

Application

The LM386N-4 is a low-voltage audio power amplifier commonly used in portable audio devices, battery-powered applications, and small speaker systems. Its compact size and low power consumption make it ideal for applications like intercoms, radios, toy audio systems, and DIY projects. Additionally, it can be utilized in amplifier circuits for musical instruments and as a part of sound effect modules in electronic projects.

Equivalent

Equivalent products to the LM386N-4 include the MAX9744, TDA7052, and TPA2005D1. Other alternatives are the LM380, LM487, and NTE1000. While these chips serve as audio amplifiers, it's important to consider specifications such as voltage, power output, and gain when selecting a suitable replacement.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

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