TDA7467

Overview

Category

TDA7467 belongs to the category of integrated circuits (ICs).

Use

The TDA7467 IC is primarily used in audio applications, specifically for audio signal processing and control.

Characteristics

• The TDA7467 offers high-quality audio signal processing capabilities.
• It provides various audio control functions, including volume control, tone control, and balance control.
• The IC features low distortion and noise levels, ensuring excellent audio performance.
• It operates on a wide supply voltage range, making it suitable for different audio systems.

Package

The TDA7467 is available in a standard 20-pin dual in-line package (DIP) or a surface-mount package (SMD).

Essence

The essence of the TDA7467 lies in its ability to enhance and manipulate audio signals, allowing for improved sound quality and control in audio systems.

Packaging/Quantity

The TDA7467 is typically packaged in reels or tubes, with a quantity of 50 units per reel/tube.

Specifications and Parameters

The following are the key specifications and parameters of the TDA7467:

• Supply Voltage: 8V to 18V
• Total Harmonic Distortion: <0.01%
• Signal-to-Noise Ratio: >90dB
• Operating Temperature Range: -40°C to +85°C
• Control Interface: I2C

Pin Configuration

The TDA7467 features a detailed and complete pin configuration as follows:

1. VCC
2. GND
3. SDA (I2C Data)
4. SCL (I2C Clock)
5. MUTE
6. ST-BY
7. TONE IN
8. TONE OUT
9. BALANCE
10. VOLUME
11. INPUT 1
12. INPUT 2
13. INPUT 3
14. INPUT 4
15. OUTPUT 1
16. OUTPUT 2
17. OUTPUT 3
18. OUTPUT 4
19. NC (No Connection)
20. NC (No Connection)

Functional Characteristics

The TDA7467 offers the following functional characteristics:

• Volume control: Allows adjustment of audio volume levels.
• Tone control: Enables manipulation of bass, treble, and midrange frequencies.
• Balance control: Provides the ability to adjust the balance between left and right audio channels.
• Mute function: Allows for temporary audio silence.
• Standby mode: Puts the IC in a low-power state when not in use.

Advantages and Disadvantages

Advantages

• High-quality audio signal processing capabilities.
• Low distortion and noise levels.
• Wide supply voltage range.
• Versatile control interface (I2C).
• Compact package size.

Disadvantages

• Limited number of input and output channels.
• Requires external components for complete audio system integration.

Applicable Range of Products

The TDA7467 is suitable for various audio applications, including: - Home theater systems - Car audio systems - Portable audio devices - Professional audio equipment

Working Principles

The TDA7467 operates based on the principles of audio signal processing and control. It receives audio signals from input sources, processes them using its internal circuitry, and outputs the processed signals to the desired output channels. The control interface allows users to adjust various audio parameters, such as volume, tone, and balance, to achieve the desired sound quality and characteristics.

Detailed Application Field Plans

The TDA7467 can be applied in the following fields:

1. Home Theater Systems:

   • Enhancing audio quality and control in surround sound setups.
   • Providing precise volume adjustment and tone control for an immersive audio experience.

2. Car Audio Systems:

   • Improving sound quality and customization options in car entertainment systems.
   • Enabling easy integration with existing audio components.

3. Portable Audio Devices:

   • Enhancing audio performance and user control in portable speakers and headphones.
   • Allowing for on-the-go adjustment of volume, tone, and balance settings.

4. Professional Audio Equipment:

   • Providing audio signal processing capabilities in recording studios and live sound setups.
   • Offering precise control over audio parameters for professional audio engineers.

Detailed Alternative Models

Some alternative models to the TDA7467 include:

• TDA7318
• PT2314
• NJM2701
• LM1036
• SSM2165

5 Common Technical Questions and Answers

1. Q: What is the maximum supply voltage for the TDA7467? A: The TDA7467 can handle a maximum supply voltage of 18V.

2. Q: Can the TDA7467 be controlled using a microcontroller? A: Yes, the TDA7467 features an I2C control interface, allowing it