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TDA7379
+BOMIC AMP CLASS AB DUAL/QUAD 38W
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ManufacturerSTMicroelectronics
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Mfr. Part #TDA7379
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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
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
Features
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
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
Application
Package
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.