TDA7298V

Overview

Product Category

TDA7298V 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, home theaters, and car audio systems.

Characteristics

• High output power capability
• Low distortion
• Short-circuit protection
• Thermal shutdown protection
• Wide supply voltage range

Package

The TDA7298V is available in a multiwatt15 package, which is a 15-lead power package with a heat sink.

Essence

The essence of TDA7298V lies in its ability to provide high-quality audio amplification with low distortion and reliable protection features.

Packaging/Quantity

The TDA7298V is typically packaged in reels or tubes, with a quantity of 50 units per reel/tube.

Specifications

• Supply Voltage: 6V to 18V
• Output Power: Up to 100W
• Total Harmonic Distortion: <0.1%
• Operating Temperature Range: -40°C to +150°C
• Input Sensitivity: 200mV
• Load Impedance: 4Ω to 8Ω

Pin Configuration

The TDA7298V has a total of 15 pins, each serving a specific function. The pin configuration is as follows:

1. Mute/Standby
2. Non-Inverting Input (Positive)
3. Inverting Input (Negative)
4. Bootstrap Capacitor
5. Ground
6. Output
7. Output
8. VCC (Positive Supply Voltage)
9. VCC (Positive Supply Voltage)
10. Thermal Shutdown
11. Short-Circuit Protection
12. Non-Inverting Input (Positive)
13. Inverting Input (Negative)
14. Mute/Standby
15. Ground

Functional Features

• High output power for driving speakers efficiently
• Low distortion ensures high-quality audio reproduction
• Mute/Standby function for power-saving and convenience
• Thermal shutdown protection prevents overheating
• Short-circuit protection safeguards the amplifier and connected devices

Advantages and Disadvantages

Advantages

• High output power capability allows for loud and clear audio playback.
• Low distortion ensures accurate sound reproduction.
• Integrated protection features enhance reliability and durability.
• Wide supply voltage range provides flexibility in various applications.

Disadvantages

• The multiwatt15 package may require additional space in circuit design.
• Higher cost compared to some other audio amplifier options.

Working Principles

The TDA7298V operates as a class AB dual bridge audio amplifier. It amplifies the input audio signal using two separate amplification stages, one for each channel (left and right). The amplified signals are then sent to the respective outputs, which are connected to the speakers. The amplifier also incorporates protection mechanisms such as thermal shutdown and short-circuit protection to ensure safe operation.

Detailed Application Field Plans

The TDA7298V is suitable for a wide range of audio amplification applications, including:

1. Home audio systems
2. Car audio systems
3. Portable speakers
4. Professional audio equipment
5. Musical instruments amplification

Detailed and Complete Alternative Models

1. TDA7265 - Similar performance with lower output power capability.
2. TDA7498 - Higher output power capability but requires an external heat sink.
3. LM386 - Lower output power capability but more compact and cost-effective.

These alternative models offer different trade-offs in terms of power, size, and cost, allowing users to choose according to their specific requirements.

In conclusion, the TDA7298V is a versatile integrated audio amplifier circuit that provides high-quality audio amplification with reliable protection features. Its wide range of applications and availability of alternative models make it a popular choice in the audio industry.

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