Overview
The TDA7379 is a class AB audio processor amplifier produced by STMicroelectronics. It is designed to operate in either DUAL BRIDGE or QUAD SINGLE ENDED configurations, making it versatile for various audio applications. This amplifier features a fully complementary output stage structure and internally fixed gain, ensuring high power performance with a minimal component count. The integrated clip detector simplifies gain compression processes, and the fault diagnostic feature allows for the detection of errors during equipment assembly and wiring. The TDA7379 is commonly used in car audio systems, home audio systems, and other applications requiring high-quality audio amplification.
Key Specifications
| Specification | Value |
|---|---|
| Output Power x Channels @ Load | 38W x 2 @ 4Ω, 16W x 4 @ 4Ω |
| No. of Channels | 4 Channels |
| IC Case / Package | Multiwatt |
| Load Impedance | 4Ω |
| IC Mounting | Through Hole |
| Operating Temperature Min | -40°C |
| Operating Temperature Max | 150°C |
| No. of Pins | 15 Pins |
| Output Type | 4 x Stereo |
| Supply Voltage Range | 8V to 20V |
| Audio Amplifier Type | Class AB |
Key Features
- High Output Power Capability: Up to 38W per channel into a 4Ω load and 16W per channel into a 4Ω load in quad configuration.
- Efficiency & Precision: Advanced 20-bit digital processing for precise sound and remarkable 90% power efficiency.
- Internally Fixed Gain: 26dB BTL and 20dB single-ended, minimizing the need for external components.
- No Bootstrap Capacitors and Boucherot Cells: Simplifying the circuit design.
- CMOS Compatible Stand-by Function: Low ICC and no audible pop during standby operations.
- Diagnostic Facilities: Clip detector, output to ground short, thermal shutdown, and soft short at turn-on.
- Thermal Protection: Soft thermal limiter to prevent overheating.
- Short-Circuit Protection: Protection against short circuits to GND, VS, and across the load.
Applications
- Car Audio Systems: Driving speakers in vehicles, providing audio playback for passengers.
- Home Audio Systems: Used in home theater systems and audio receivers to amplify audio signals for multiple rooms or zones.
- Portable Audio Devices: Suitable for portable speakers and boomboxes.
- Public Address Systems and Multimedia Speakers: Ideal for various audio amplification needs, including public address systems and amplifiers for musical instruments.
Q & A
- What is the TDA7379 and what configurations can it operate in?
The TDA7379 is a class AB audio processor amplifier that can operate in either DUAL BRIDGE or QUAD SINGLE ENDED configurations. - What is the output power capability of the TDA7379?
The TDA7379 can deliver up to 38W x 2 @ 4Ω and 16W x 4 @ 4Ω. - What is the supply voltage range for the TDA7379?
The supply voltage range is 8V to 20V. - Does the TDA7379 have built-in protection features?
Yes, it includes thermal protection, short-circuit protection, and fault diagnostic features. - What types of applications is the TDA7379 commonly used in?
It is commonly used in car audio systems, home audio systems, portable audio devices, and other audio amplification applications. - Does the TDA7379 require bootstrap capacitors or Boucherot cells?
No, it does not require bootstrap capacitors or Boucherot cells. - Is the TDA7379 RoHS compliant?
Yes, the TDA7379 is RoHS compliant. - What is the operating temperature range for the TDA7379?
The operating temperature range is -40°C to 150°C. - Does the TDA7379 have a standby function?
Yes, it has a CMOS compatible standby function with no audible pop during standby operations. - What package options are available for the TDA7379?
The TDA7379 is available in Multiwatt15 and other package options.
