TDA7502 is a highly integrated digital audio processor developed by STMicroelectronics. It is widely used in in-car information and entertainment systems, car radios and multi-channel audio platforms. With its integrated surround sound processor, sound effects and flexible input/output configuration, the TDA7502 provides a compact and cost-effective solution for enhancing the in-car audio experience.
Technical specifications of the TDA7502
| Feature | Specification |
|---|---|
| Part Number | TDA7502 |
| Audio Channels | Up to 6 input channels, 8 output channels |
| Digital Effects | Virtual surround, bass enhancement, treble control, balance/fader |
| Sample Rate Support | 44.1 kHz, 48 kHz |
| Interface | I²C serial control bus |
| Audio Data Interface | I²S input/output |
| Integrated Functions | Loudness, volume control, soft mute, dynamic compression |
| Supply Voltage | 3.3V for digital, 5V for analog |
| Package Type | TQFP64 |
| Operating Temperature | –40°C to +85°C (automotive-grade) |
🔗 STMicroelectronics TDA7502 Product Page
Key features
- ✅ Multi-channel audio processing, supports customizable signal routing
- ✅ Integrated 3D surround sound, bass boost and volume control
- ✅ Volume control, sound balance and smooth sound for seamless transition
- ✅ I²C interface for easy integration with microcontrollers
- ✅ Specially designed for automotive audio systems, meets the requirements of the entire temperature range
- ✅ Compatible with DAC and external audio amplifier via I²S
TDA7502 applications
- In-car information and entertainment systems
The TDA7502 is widely used in modern car head units and digital amplifiers. It processes and enhances audio from multiple sources, including Bluetooth, radio, and multimedia players.
- Volume, bass, and treble settings for the driver and passengers
- Spatial sound effect for a more immersive in-car experience
- Noise filtering and smooth sound processing for high output accuracy
- Car radio and sound controller
TDA7502 car radio systems are used to process AM/FM audio and deliver enhanced sound to different parts of the vehicle.
- Multi-speaker output balancing and volume control
- Smooth fade when tuning the radio and switching to Bluetooth
- Support for custom equalizer settings for different car models
- Multimedia audio devices
In addition to automotive applications, the TDA7502 can be used in dedicated audio processors, portable audio recorders,in-car entertainment units, and other applications that require small footprint and high integration.
- As the main DSP processor for a low-cost digital audio system
- Can be used with a microcontroller to control the user interface
- Provides configurable DSP modules for a customized audio experience.
Development and integration support
STMicroelectronics provides tools and documentation to help developers easily integrate the TDA7502 into their designs.
🔧 Software support
- Audio configuration via I²C control register
- Application notes for setup and tuning
- Reference balance curve and effect parameters
🧪 Hardware tools
- TDA Series Processor Evaluation Board
- Automotive-grade kit for testing in-vehicle infotainment systems
- I²S interface supports direct integration of digital input/output
Why choose DRex Electronics to purchase TDA7502?
DRex Electronics is a reliable partner for purchasing integrated chips for automobiles, including audio processors such as the TDA7502. We offer fast and secure global delivery for original equipment manufacturers, automotive system suppliers, and designers.
Why choose DRex?
- ✅ Access to integrated audio circuit products from STMicroelectronics
- ✅ Guaranteed product quality through an ISO 9001-certified purchasing process
- 📦 Packaging in accordance with electrostatic discharge (ESD) standards and global logistics support
- 🔧 Design support and device replacement guidelines
- 🌍 Suppliers with extensive experience in the automotive and integrated device markets
