TDA7391PDU

Product Overview

Category

TDA7391PDU belongs to the category of integrated audio amplifier circuits.

Use

This product is primarily used for amplifying audio signals in various electronic devices such as audio systems, car stereos, and home theater systems.

Characteristics

• Integrated audio amplifier circuit
• High-quality audio amplification
• Compact size
• Low power consumption

Package

TDA7391PDU is available in a small outline package (SOP) which ensures easy integration into different electronic devices.

Essence

The essence of TDA7391PDU lies in its ability to provide high-quality audio amplification while maintaining a compact form factor and low power consumption.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of TDA7391PDU chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply voltage: 8V - 18V
• Output power: 45W per channel
• Total harmonic distortion: <0.5%
• Signal-to-noise ratio: >90dB
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The TDA7391PDU has a total of 20 pins, each serving a specific function. Here is the detailed pin configuration:

1. Mute
2. Input 1-
3. Input 1+
4. Ground
5. Input 2+
6. Input 2-
7. Standby
8. Output 1-
9. Output 1+
10. VCC
11. Bootstrap
12. Output 2+
13. Output 2-
14. Thermal protection
15. Diagnostic output
16. Diagnostic ground
17. Diagnostic supply
18. Diagnostic input
19. Diagnostic reference
20. Mute reference

Functional Features

• High-quality audio amplification
• Built-in thermal protection
• Diagnostic output for fault detection
• Standby mode for power-saving operation
• Mute function for audio control

Advantages and Disadvantages

Advantages

• Provides high-quality audio amplification
• Compact size allows for easy integration into various devices
• Low power consumption ensures energy efficiency
• Built-in thermal protection prevents overheating
• Diagnostic output aids in fault detection

Disadvantages

• Limited output power compared to some other amplifier circuits
• May require additional components for a complete audio system setup

Working Principles

The TDA7391PDU operates on the principle of amplifying low-power audio signals received from input sources. It utilizes internal circuitry to boost the signal strength while maintaining audio fidelity. The integrated thermal protection mechanism safeguards the chip from overheating, ensuring reliable performance.

Detailed Application Field Plans

The TDA7391PDU finds applications in various electronic devices, including: - Car audio systems - Home theater systems - Portable speakers - Audio amplifiers

Detailed and Complete Alternative Models

1. TDA7379 - Similar audio amplifier circuit with higher output power capability.
2. TDA7265 - Integrated audio amplifier circuit with built-in volume control.
3. TDA7498 - High-power audio amplifier circuit suitable for professional audio applications.

These alternative models offer different features and specifications, providing options based on specific requirements.

In conclusion, the TDA7391PDU is an integrated audio amplifier circuit that offers high-quality audio amplification in a compact form factor. With its low power consumption and built-in thermal protection, it is suitable for various applications such as car audio systems and home theater setups. While it may have limitations in terms of output power, there are alternative models available to cater to different needs.