LM386MMX-1

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LM386MMX-1

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Thông số kỹ thuật

Brand Texas Instruments
Product Type Audio Amplifiers
Subcategory Audio ICs
Packaging Reel
Supply Voltage - Min 4 V
Supply Voltage - Max 12 V
Minimum Operating Temperature 0 C
Maximum Operating Temperature + 70 C
Height 0.86 mm
Length 3 mm
Operating Supply Voltage 5 V, 9 V
Width 3 mm
Product Audio Amplifiers
Output Type 1-Channel Mono
Class Class-AB
Output Power 325 mW
THD plus Noise 0.2 %
Audio - Load Impedance 32 Ohms
Description/Function Speaker
Input Type Differential
Output Signal Type Single
PSRR - Power Supply Rejection Ratio 50 dB
Supply Type Single
Shipping Restrictions Mouser does not presently sell this product in your region.
Mounting Style SMD/SMT
Package / Case MSOP-8
Factory Pack Quantity:Factory Pack Quantity 3500
Number of Channels 1 Channel
Pd - Power Dissipation 595 mW
Type 1-Channel Mono
Ib - Input Bias Current 250 nA
Operating Supply Current 4 mA

Tổng quan

Description

The LM386MMX-1 is a low-voltage audio amplifier integrated circuit, known for its efficiency and versatility in various audio applications. It operates with a supply voltage ranging from 4 to 12 volts, making it suitable for battery-powered devices. The LM386 features a gain of 200, but this can be modified with external resistors, allowing for customization based on specific needs.
It is widely used in applications such as portable speakers, intercoms, and other audio amplification tasks due to its compact size and low power consumption. The chip also includes a thermal overload protection feature, ensuring reliability and safety during operation.
With a simple pin configuration, the LM386MMX-1 is easy to integrate into various circuits, making it an ideal choice for hobbyists and professionals alike. Its performance in delivering clear sound at low power levels makes it a popular choice in consumer electronics.

Features

The LM386MMX-1 is a low-voltage audio power amplifier designed for use in various applications, including portable devices and battery-operated equipment. Key features include:
1. Low Voltage Operation: It operates from a single 4V to 12V power supply, making it suitable for battery applications.
2. Output Power: Delivers up to 1W of output power into an 8-ohm load at 5V supply.
3. Built-in Gain: The device has a fixed gain of 200, enabling high amplification with minimal external components.
4. Low Distortion: Offers low total harmonic distortion (THD) for clear audio reproduction.
5. Thermal Protection: Built-in thermal shutdown circuit ensures safe operation by preventing overheating.
6. Compact Size: Available in a small package, ideal for space-constrained applications.
7. Easy to Use: Requires few external components, simplifying the design process.
Overall, the LM386MMX-1 is an efficient, cost-effective solution for audio amplification needs in various consumer electronics.

Package

The LM386MMX-1 is typically packaged in a 8-pin DIP (Dual In-line Package) configuration, which is designed for easy mounting on circuit boards.

Pinout

The LM386MMX-1 is a low voltage audio power amplifier with a total of 8 pins. Here’s a concise breakdown of its pin functions:
1. Pin 1: Gain - Connect a resistor and capacitor to set the gain (default is 20).
2. Pin 2: Inverting Input - Connect to the input signal through a capacitor for AC coupling.
3. Pin 3: Non-Inverting Input - Connect to ground or a reference voltage.
4. Pin 4: V- (Ground) - Connect to the negative supply voltage.
5. Pin 5: Output - Connect to the speaker or load.
6. Pin 6: V+ (Power Supply) - Connect to the positive power supply (typically +5V to +12V).
7. Pin 7: Bypass - Connect a capacitor to ground for stability.
8. Pin 8: No Connection - Not used; leave unconnected.
The LM386 is designed for low power applications, making it suitable for battery-powered devices.

Manufacturer

The LM386MMX-1 is manufactured by Texas Instruments (TI), a prominent semiconductor company. Texas Instruments specializes in the design and production of a wide range of electronic components, including integrated circuits (ICs), analog devices, and embedded processors. Founded in 1930, TI has evolved into a leader in the semiconductor industry, providing innovative solutions for various applications, including automotive, industrial, consumer electronics, and communication systems. The LM386 is a low-voltage audio amplifier, widely used in audio applications due to its efficiency and compact size.

Application

The LM386MMX-1 is a low-voltage audio amplifier commonly used in portable audio devices, small speakers, and consumer electronics. Its applications include sound systems, intercoms, toys, and various DIY audio projects. It’s ideal for amplifying low-level audio signals in battery-powered applications due to its low power consumption and compact size.

Equivalent

The LM386MMX-1 is a low-voltage audio amplifier. Equivalent products include:
1. LM386 (standard version)
2. LM386N-1
3. TDA7052
4. TDA2822
5. PAM8403
These alternatives can vary in power output and features, so check datasheets for compatibility with your specific application.

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