TDA7391LV

Overview

Product Category

TDA7391LV belongs to the category of integrated circuits (ICs) specifically designed for audio amplification.

Use

This IC is primarily used in audio systems to amplify low-power audio signals and drive speakers.

Characteristics

• High-quality audio amplification
• Low power consumption
• Compact size
• Wide operating voltage range
• Thermal protection mechanism

Package

TDA7391LV is available in a small outline package (SOP) with a specific pin configuration.

Essence

The essence of TDA7391LV lies in its ability to provide efficient and reliable audio amplification, making it suitable for various audio applications.

Packaging/Quantity

The IC is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of TDA7391LV ICs.

Specifications

• Supply Voltage: 8V - 18V
• Output Power: 25W per channel (max)
• Total Harmonic Distortion: <0.5%
• Signal-to-Noise Ratio: >80dB
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The TDA7391LV IC has a total of 20 pins, which are assigned specific functions as follows:

1. Mute
2. Standby
3. Non-inverting input (Channel 1)
4. Inverting input (Channel 1)
5. Feedback (Channel 1)
6. Output (Channel 1)
7. Ground
8. VCC (Positive supply voltage)
9. Non-inverting input (Channel 2)
10. Inverting input (Channel 2)
11. Feedback (Channel 2)
12. Output (Channel 2)
13. Bootstrap capacitor (Channel 1)
14. Bootstrap capacitor (Channel 2)
15. Bootstrap resistor (Channel 1)
16. Bootstrap resistor (Channel 2)
17. Supply voltage decoupling capacitor
18. Output offset compensation capacitor
19. Output offset compensation resistor
20. Thermal pad

Functional Features

• Dual-channel audio amplification
• Built-in mute and standby functions
• Short-circuit protection
• Over-temperature protection
• Low external component count
• High output power capability

Advantages and Disadvantages

Advantages

• High-quality audio amplification
• Efficient power consumption
• Compact size for space-constrained applications
• Wide operating voltage range allows flexibility in power supply selection
• Integrated thermal protection ensures safe operation

Disadvantages

• Limited output power compared to higher wattage amplifiers
• May require additional external components for specific applications

Working Principles

The TDA7391LV operates on the principle of amplifying low-power audio signals using a class AB amplifier configuration. It utilizes internal circuitry to amplify the input audio signal and drive the connected speakers.

Detailed Application Field Plans

TDA7391LV finds application in various audio systems, including but not limited to: - Car audio systems - Home theater systems - Portable audio devices - Multimedia speakers - Soundbars

Alternative Models

For those seeking alternative options, the following ICs can be considered: - TDA7377 - TDA7265 - LM386 - TPA3116D2

These alternatives offer similar functionality and can be suitable replacements depending on specific requirements.

In conclusion, the TDA7391LV integrated circuit provides efficient and reliable audio amplification for a wide range of applications. Its compact size, low power consumption, and built-in protection mechanisms make it an excellent choice for audio system designers.