TDA7495S

Overview

Product Category

TDA7495S belongs to the category of audio amplifier integrated circuits (ICs).

Use

The TDA7495S IC is primarily used for audio amplification in various electronic devices such as stereo systems, home theaters, and portable speakers.

Characteristics

• Power Output: The TDA7495S can deliver a maximum power output of 50 watts per channel.
• Efficiency: It offers high efficiency, ensuring minimal power loss during amplification.
• Low Distortion: The IC provides low distortion audio amplification, resulting in clear and accurate sound reproduction.
• Thermal Protection: TDA7495S incorporates thermal protection mechanisms to prevent overheating and ensure safe operation.
• Wide Voltage Range: It operates within a wide voltage range, making it suitable for different power supply configurations.

Package and Quantity

The TDA7495S is available in a compact and industry-standard package, such as a 24-pin PowerSSO package. It is typically sold individually or in reels containing multiple units.

Specifications

• Supply Voltage: 10V - 36V
• Output Power: 50W per channel (max)
• Total Harmonic Distortion: <0.1%
• Signal-to-Noise Ratio: >90dB
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The TDA7495S IC has a total of 24 pins, each serving a specific function. The pin configuration is as follows:

1. Mute/Standby
2. Non-Inverting Input Channel A
3. Inverting Input Channel A
4. VCC
5. Non-Inverting Input Channel B
6. Inverting Input Channel B
7. GND
8. Bootstrap Capacitor Channel A
9. Bootstrap Capacitor Channel A
10. Feedback Resistor Channel A
11. Feedback Resistor Channel A
12. Output Channel A
13. Output Channel A
14. VCC
15. Mute/Standby
16. Non-Inverting Input Channel D
17. Inverting Input Channel D
18. GND
19. Non-Inverting Input Channel C
20. Inverting Input Channel C
21. Bootstrap Capacitor Channel B
22. Bootstrap Capacitor Channel B
23. Feedback Resistor Channel B
24. Feedback Resistor Channel B

Functional Features

The TDA7495S offers several functional features that enhance its performance and usability:

1. Dual-Channel Amplification: It provides independent amplification for two audio channels, allowing stereo sound reproduction.
2. Built-in Protection Circuitry: The IC incorporates protection mechanisms such as overcurrent, overvoltage, and thermal protection to safeguard against potential damage.
3. Low Power Consumption: TDA7495S is designed to operate efficiently with low power consumption, making it suitable for battery-powered devices.
4. Wide Frequency Response: It supports a wide frequency range, ensuring accurate reproduction of both low and high-frequency audio signals.
5. Easy Integration: The IC can be easily integrated into various audio systems due to its compact size and standardized pin configuration.

Advantages and Disadvantages

Advantages

• High power output capability
• Low distortion for clear audio reproduction
• Efficient power utilization
• Compact size for easy integration
• Wide voltage range compatibility

Disadvantages

• Limited output power compared to higher-end amplifier ICs
• May require additional external components for optimal performance

Working Principles

The TDA7495S operates on the principle of amplifying weak audio signals received at the input channels and delivering amplified signals to the corresponding output channels. It utilizes a combination of internal circuitry and external components to achieve this amplification process. The IC ensures efficient power utilization and low distortion to provide high-quality audio output.

Application Field Plans

The TDA7495S finds applications in various audio amplification systems, including: - Home stereo systems - Home theater setups - Portable speakers - Car audio systems - Professional audio equipment

Alternative Models

For those seeking alternative options, the following amplifier ICs can be considered: 1. TPA3116D2: This IC offers similar power output and efficiency with additional features like integrated Bluetooth connectivity. 2. LM3886: Known for its high-fidelity audio reproduction, the LM3886 provides higher power output but requires more external components. 3. STA540: Suitable for lower power applications, the STA540 offers a cost-effective solution with moderate performance.

These alternatives cater to different requirements and can be chosen based on specific needs and system constraints.

In conclusion, the TDA7495S is a versatile audio amplifier IC that provides high-quality sound amplification for various electronic devices. Its compact size, efficiency, and wide voltage range make it suitable for a range of applications. While it may have some limitations in terms