Texas Instruments Integrated Circuits (ICs)Linear - Amplifiers - Audio Texas Instruments Linear - Amplifiers - Audio

LM386MMX-1/NOPB Linear - Amplifiers - Audio by Texas Instruments

LM386MMX-1/NOPB is a Linear - Amplifiers - Audio model from Texas Instruments, presented on TrustCompo for buyers who need clear sourcing and review context before RFQ. This listing sits in the Integrated Circuits (ICs) / Linear - Amplifiers - Audio product path. Known package information currently points to TSSOP under the Texas Instruments brand listing. IC AMP AUDIO PWR .325W AB 8VSSOP. TrustCompo combines the available model, brand, hierarchy, and specification details around LM386MMX-1/NOPB so buyers can move faster from review to quotation.

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LM386MMX-1/NOPB Linear - Amplifiers - Audio by Texas Instruments | TrustCompo

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Part Number

LM386MMX-1/NOPB

Internal code

TCE000108302

Package

TSSOP

Manufacturer

Texas Instruments

Key specifications

Series

Min Quantity

Availability

In Stock

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In Stock

80,185

Available

16,117

MOQ

Package

TSSOP

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Price

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Price Range

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Quantity	Unit Price
1	$2.04
10	$1.36
30	$1.02
100	$0.82
500	$0.75
1,000	$0.68

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Product overview

Overview

The LM386MMX-1/NOPB is a low-voltage audio power amplifier designed by Texas Instruments. It is part of the LM386 family, which is widely recognized for its versatility and efficiency in audio amplification applications. Here’s a detailed description of its features and specifications:

General Overview:

Type: Low-voltage audio power amplifier
Package: Typically available in an 8-pin DIP (Dual In-line Package) or SOIC (Small Outline Integrated Circuit) form factor, which makes it suitable for various PCB designs and applications.

Key Features:

Voltage Range: The LM386 operates from a supply voltage of 4.5V to 12V, making it ideal for battery-powered devices.
Output Power: It can deliver up to 1W of output power into an 8-ohm load, which is sufficient for driving small speakers or headphones.
Gain: The amplifier has a fixed gain of 200, but it can be configured for lower gain settings using external resistors.
Low Distortion: The device is designed to provide low total harmonic distortion (THD), ensuring high-quality audio output.
Thermal Shutdown: It features built-in thermal shutdown protection, which prevents damage to the device in case of overheating.
Short-Circuit Protection: The LM386 includes short-circuit protection, enhancing its reliability in various applications.

Electrical Characteristics:

Input Impedance: The input impedance is typically high, allowing it to interface easily with various audio sources without loading them down.
Output Impedance: The output impedance is low, which helps in driving speakers effectively.
Frequency Response: The amplifier has a wide frequency response, making it suitable for a range of audio applications, from music playback to voice amplification.

Applications:

Portable Audio Devices: Ideal for use in battery-operated audio devices due to its low power consumption.
Intercom Systems: Commonly used in intercom systems for amplifying voice signals.
TV and Radio: Can be used in small television sets and radios for audio amplification.
DIY Projects: Popular among hobbyists for audio projects, such as amplifying signals from microcontrollers or other low-power audio sources.

Additional Considerations:

Bypass Capacitor: It is recommended to use a bypass capacitor on the power supply pin to improve stability and reduce noise.
External Components: The performance of the LM386 can be enhanced with external components, such as capacitors and resistors, to tailor the gain and frequency response to specific needs.

Conclusion:

The LM386MMX-1/NOPB from Texas Instruments is a robust and efficient audio amplifier that is well-suited for a variety of applications, particularly in low-power and portable devices. Its combination of features, including low distortion, thermal protection, and ease of use, makes it a popular choice for both professional and hobbyist audio projects.

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