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LM386MX-1

Name: LM386MX-1
Rating: 4.7 (12 reviews)

AUDIO AMPLIFIER, 0.325W, 1 CHANN

제조업체
Mfr.부분 #LM386MX-1
패키지 8-SOIC
데이터시트 LM386MX-1 DataSheet
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ProductStatus	Active

개요

Description

The LM386MX-1 is a low-voltage audio power amplifier designed for portable and battery-operated devices. Operating on a supply voltage range of 4 to 12 volts, it delivers up to 1 watt of output power into a standard 8-ohm speaker, making it suitable for small audio applications.
Key features include a built-in gain of 200, which can be modified using external resistors to suit various needs. The device is known for its low power consumption, thermal overload protection, and short-circuit protection, enhancing its reliability in different environments.
The LM386MX-1 is commonly used in DIY audio projects, toys, radios, and other compact sound systems. Its compact size and ease of use make it a popular choice among hobbyists and engineers alike. The device is available in various packages, including DIP and surface mount, facilitating integration into diverse circuit designs. Overall, the LM386MX-1 is an efficient and versatile solution for audio amplification in low-power applications.

Features

The LM386MX-1 is a low-voltage audio power amplifier designed for use in various applications, such as portable audio devices, battery-powered systems, and other low-power audio applications. Key features include:
1. Low Supply Voltage: Operates from 4V to 12V, ideally suited for battery-powered devices.
2. Power Output: Delivers up to 1W of output power at 8Ω load with a 5V supply.
3. Built-in Gain: Fixed gain of 20, which simplifies design; can be externally adjusted with resistors.
4. Low Noise: Designed for low total harmonic distortion (THD) to produce clear audio output.
5. Thermal Shutdown: Integrated protection to prevent overheating.
6. Small Package: Available in an 8-pin DIP or surface-mount package for compact designs.
7. Wide Frequency Response: Suitable for audio applications with good frequency response characteristics.
Overall, the LM386MX-1 is ideal for low-power, low-cost amplification in portable audio systems.

Package

The LM386MX-1 is packaged in an 8-pin DIP (Dual In-line Package) format. This configuration facilitates easy integration into circuits and breadboards, making it suitable for various audio amplification applications.

Pinout

The LM386MX-1 is a low-voltage audio power amplifier with a pin count of 8. The pins and their functions are as follows:
1. Input: The non-inverting input (signal input).
2. Gain: Gain select pin; typically connected to ground for a gain of 20.
3. Output: Amplified audio output.
4. VCC: Power supply voltage input (typically 4.5V to 12V).
5. NC: No connection; not used.
6. GND: Ground reference.
7. Bypass: Bypass capacitor connection for reduced noise.
8. Inverting Input: Inverting input (often connected to ground in basic configurations).
The LM386MX-1 is popular in battery-powered audio applications due to its low power consumption and ability to drive small speakers.

Manufacturer

The LM386MX-1 is manufactured by Texas Instruments (TI), a well-established American technology company. Texas Instruments specializes in designing and producing semiconductors and various integrated circuits, including amplifiers, microcontrollers, and digital signal processors. Founded in 1930, TI is known for its innovation in electronics and its significant contributions to the fields of analog and embedded processing technologies. The LM386 is a low-voltage audio power amplifier, commonly used in audio applications, hobbyist projects, and portable devices. TI operates globally, providing solutions for a wide range of industries, including automotive, telecommunications, consumer electronics, and industrial sectors.

Application

The LM386MX-1 is a low-voltage audio power amplifier widely used in applications such as portable audio devices, intercom systems, radio receivers, and small speaker systems. It is ideal for battery-operated devices due to its low power consumption. Additionally, it's often employed in DIY projects, toy sound systems, and as a driver for small speakers in various consumer electronics.

Equivalent

Equivalent products to the LM386MX-1 chip include the LM386, LM386N-1, and the TPA2005D1. These chips are also low-voltage audio power amplifiers, suitable for similar applications. Ensure compatibility with specifications such as voltage, output power, and package type when selecting alternatives.