TDA7379

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TDA7379

+BOM

IC AMP CLASS AB DUAL/QUAD 38W

  • ManufacturerSTMicroelectronics

  • Mfr. Part #TDA7379

  • In Stock1738

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Specifications

Attribute Value
Part Status Obsolete
Base Product Number TDA7379
Type Class AB
Output Type 2-Channel (Stereo) or 4-Channel (Quad)
Max Output Power x Channels @ Load 38W x 2 @ 4Ohm; 16W x 4 @ 4Ohm
Voltage - Supply 8V ~ 20V
Features Depop, Short-Circuit and Thermal Protection, Standby
Mounting Type Through Hole
Package Multiwatt-15 (Vertical, Bent and Staggered Leads)
Packaging Tube

Overview

Description

The TDA7379 is a dual-bridge audio amplifier integrated circuit designed for high-quality sound reproduction. It is commonly used in car audio systems, home stereos, and other audio applications. The IC is manufactured by STMicroelectronics and is known for its reliability and performance.
Key features of the TDA7379 include:
1. Dual Bridge Amplifier: It allows for two channels of audio output, which can be used in stereo configurations.

2. High Output Power: The TDA7379 can deliver up to 35W per channel into a 4-ohm load, making it suitable for driving a wide range of speakers.
3. Wide Supply Voltage Range: It operates between 10V to 18V, making it adaptable to different power supply conditions.
4. Built-in Protection: The IC includes thermal shutdown, overvoltage, and short circuit protection to enhance durability and prevent damage.
5. Low Distortion and Noise: It is designed to minimize distortion and unwanted noise, ensuring clear audio playback.
Overall, the TDA7379 is a versatile and reliable choice for audio amplification needs.

Equivalent

The TDA7379 is a dual/quad audio power amplifier often used in car audio systems. Equivalent products include the TDA7294, TDA7388, and LM1875. These chips offer similar functionality, with variations in power output and configuration. Always check the specific requirements of your application, such as power output, voltage range, and package type, to ensure compatibility when selecting an equivalent component.

Features

The TDA7379 is a dual/quad power amplifier often used in audio applications, particularly in car audio systems. It is notable for its reliability and efficiency. Key features include:
1. Output Configuration: It can be configured in either dual-bridge or quad single-ended mode, offering flexibility in setup based on power needs.

2. Power Output: In dual-bridge mode, it provides up to 35W per channel, and in quad single-ended mode, up to 11W per channel, making it suitable for moderate power applications.
3. Supply Voltage: Operates typically between 12V and 18V, which aligns well with automotive electrical systems.
4. Thermal Protection: Built-in thermal shutdown feature prevents overheating, enhancing durability.
5. Short Circuit Protection: The device includes safeguards against short circuits, ensuring longevity and reliability.
6. Low Noise: Designed to minimize noise output, ensuring clear audio quality.
7. Mute/Standby Functions: Facilitates power management and reduced power consumption when not in active use.
These features make the TDA7379 a versatile and dependable choice for audio amplification tasks.

Pinout

The TDA7379 is a dual bridge amplifier primarily used in car audio applications. It has a total of 15 pins, each serving specific functions. Here's a brief overview of the pin functions:
1. 1, 15 - Output 1 (OUT1)
2. 2, 14 - Inverting Input 1 (IN1-)
3. 3, 13 - Non-Inverting Input 1 (IN1+)
4. 4 - Stand-by Control (ST-BY)
5. 5 - Supply Voltage (Vs)
6. 6 - Mute Control (MUTE)
7. 7, 11 - Ground (GND)
8. 8, 10 - Inverting Input 2 (IN2-)
9. 9, 12 - Non-Inverting Input 2 (IN2+)
The TDA7379 is designed for use in high-power audio applications, capable of delivering up to 35W per channel in a stereo configuration or 70W in a bridged mode. Its internal circuitry provides features such as short-circuit protection, thermal shutdown, and low distortion, making it well-suited for quality audio reproduction.

Manufacturer

The TDA7379 is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a broad range of integrated circuits and discrete devices. The company serves a variety of sectors, including automotive, industrial, personal electronics, and communications equipment. It is known for its innovation in technology and solutions that enable smarter driving and smarter factories, as well as bringing smarter devices to homes and cities. STMicroelectronics operates worldwide and is recognized as a leader in the semiconductor industry.

Application

The TDA7379 is an integrated audio amplifier commonly used in various audio applications. Its primary use is in car audio systems due to its ability to deliver high power output with low distortion, making it ideal for automotive environments. It's also used in home audio systems, such as stereo amplifiers and speaker systems, where high-quality audio amplification is needed. Additionally, its versatility allows it to be employed in DIY audio projects, including bookshelf speakers and home theater systems. Its Class AB amplifier design ensures efficient performance, making it suitable for projects where both quality and energy efficiency are priorities.

Package

The TDA7379 is an integrated circuit used in audio applications and comes in a Multiwatt package. This package is designed for ease of mounting and optimal heat dissipation, making it suitable for high-power output requirements in audio amplifiers.

Frequently Asked Questions


Q: What is the maximum output power per channel for this TDA7379 in stereo mode?
A: It delivers 38W x 2 into a 4Ohm load in stereo (2-channel) mode.


Q: Can this amplifier drive four speakers simultaneously?
A: Yes, it supports 4-channel (Quad) operation, providing 16W x 4 into 4Ohm loads.


Q: What is the required supply voltage range for the TDA7379?
A: The operating supply voltage range is 8V to 20V DC.


Q: Does the TDA7379 include protection features?
A: Yes, it features short-circuit and thermal protection, plus a depop function and standby mode.


Q: What package type is used for the TDA7379?
A: It comes in a Multiwatt-15 through-hole package with vertical, bent, and staggered leads.


Q: Is the TDA7379 a Class AB or Class D amplifier?
A: It is a Class AB audio amplifier, offering low distortion and high sound quality.


Q: What is the current lifecycle status of the TDA7379?
A: The part status is listed as Obsolete; verify availability with distributors before new designs.