LM380N

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LM380N

IC AMP CLASS AB MONO 2.5W 14DIP

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Thông số kỹ thuật

Part Status Obsolete
Base Product Number LM380
Type Class AB
Output Type 1-Channel (Mono)
Max Output Power x Channels @ Load 2.5W x 1 @ 8Ohm
Voltage - Supply 10V ~ 22V
Features Short-Circuit and Thermal Protection
Mounting Type Through Hole
Operating Temperature 0°C ~ 70°C (TA)
Supplier Device Package 14-PDIP
Package 14-DIP (0.300", 7.62mm)
Packaging Tube

Tổng quan

Description

The LM380N is a power audio amplifier integrated circuit (IC) designed for driving speakers in various audio applications. It features a high output power capability (up to 2.5 watts) with low distortion, making it suitable for consumer audio devices, small amplifiers, and televisions. The LM380 operates from a wide range of power supply voltages (typically ±14 to ±20 volts), allowing for flexibility in design.
Key features include thermal overload protection, short-circuit protection, and a high gain (typically 26 dB), which simplifies the need for additional gain stages in audio circuits. The IC comes in a standard 11-pin metal can package, facilitating easy integration into electronic designs.
To use the LM380N, external components such as resistors and capacitors are required for setting gain, filtering, and stability. Overall, the LM380N is a reliable choice for compact, efficient audio amplification in both consumer and DIY electronics.

Features

The LM380N is a power amplifier designed for audio applications. Key features include:
1. Output Power: Delivers up to 2.5 watts of output power at a load of 8 ohms.
2. Voltage Range: Operates from a supply voltage of 14V to 30V.
3. Thermal Protection: Includes built-in thermal shutdown to prevent damage from overheating.
4. Short-Circuit Protection: Features internal short-circuit protection for enhanced reliability.
5. Low Distortion: Provides low total harmonic distortion (THD) for improved audio quality.
6. Single Supply Operation: Can operate with a single power supply, simplifying design.
7. Easy to Use: Simple external component requirements make it user-friendly for designers.
8. Package Type: Available in an 8-lead metal can package, suitable for thermal dissipation.
These features make the LM380N suitable for various audio amplifier applications, including radios, televisions, and more compact audio devices.

Package

The LM380N is typically housed in a metal can package, often referred to as TO-220. This package type provides good thermal performance and allows for easy mounting to heatsinks for efficient heat dissipation in audio amplification applications.

Pinout

The LM380N is a power audio amplifier with a 5-pin configuration. Its pinout and functions are as follows:
1. Pin 1 (Output): This pin delivers the amplified audio signal to the speaker.
2. Pin 2 (Non-inverting Input): This pin receives the input audio signal that is to be amplified.
3. Pin 3 (Ground): This pin is connected to the circuit ground for reference.
4. Pin 4 (Inverting Input): This pin is used for feedback and stability, allowing for the adjustment of gain.
5. Pin 5 (Power Supply): This pin connects to the power supply, providing the necessary voltage for operation.
The LM380N is designed for high power applications, typically providing up to 14 watts of output power with a low distortion level. It is commonly used in audio amplifier circuits for various applications, including home audio systems and public address systems.

Manufacturer

The LM380N is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments specializes in designing and manufacturing a wide range of electronic components, including analog and embedded processing chips. Founded in 1930, TI has a strong presence in various markets, including automotive, industrial, communications, and consumer electronics. The LM380N is a power amplifier designed for audio applications, showcasing TI's expertise in analog technology. Overall, Texas Instruments is known for its innovation and commitment to advancing technology, making it a prominent player in the electronics industry.

Application

The LM380N is a power audio amplifier used in various applications, including television audio output, radio receivers, and sound reinforcement systems. It is also utilized in portable audio devices, home audio systems, and public address systems due to its ability to drive low-impedance speakers. Additionally, it can be employed in electronic musical instruments and as a part of audio signal processing in professional audio equipment.

Equivalent

The LM380N is a power audio amplifier. Equivalent products include the LM386, TDA2030, TDA2050, and the LM487. These alternatives vary in power output and specifications, so it’s essential to check the datasheets for compatibility with specific applications.

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