Overview
The TDA7706M, produced by STMicroelectronics, is a highly integrated tuner IC designed for high-performance AM/FM car-radio applications. It is suitable for HD Radio™ reception and incorporates various components such as mixers and IF amplifiers for AM, FM, and weather band (WX) reception. The device features a fully integrated VCO and PLL synthesizer, IF-processing with adaptive bandwidth control, a stereo-decoder, and an RDS decoder. Additionally, it includes digital interfaces for external HD Radio™ decoding on a single IC, making it a comprehensive solution for modern car-radio systems.
Key Specifications
| Parameter | Description |
|---|---|
| Package | LQFP64 (10x10x1.4 mm) |
| Supply Voltage | Single 5 V supply |
| Operating Temperature | Not specified in the sources, but typically within automotive standards |
| Frequency Range | FM, AM, and weather band reception |
| VCO | Fully integrated without external tuning components |
| PLL | High performance PLL for fast RDS system |
| IF Filters | Integrated IF filters with high selectivity, dynamic range, and adaptive bandwidth control |
| DSP Core | Fully programmable DSP core with high computational power |
| Interfaces | I2C bus-controlled, I2S input/output digital audio interfaces |
| RoHS Compliance | Ecopack1 |
Key Features
- FM, AM, and weather band reception
- Fully integrated VCO for world tuning
- High performance PLL for fast RDS system
- Integrated AM-LNA and PIN diodes
- Automatic self-alignment for FM front-end pre-selection filter and image rejection
- Integrated IF filters with high selectivity, dynamic range, and adaptive bandwidth control
- Drift-free Digital-IF signal processing with high performance
- RDS demodulation with group and block synchronization
- High performance stereo decoder with noise-blanker
- Digital interface for HD Radio™ reception with digital audio blending
- Fully programmable DSP core
- I2C bus-controlled
- I2S input/output digital audio interfaces
- Single 5 V supply
- LQFP64 package
Applications
The TDA7706M is primarily designed for car-radio applications, including:
- AM/FM car radios
- HD Radio™ reception systems
- Weather band reception systems
- Automotive infotainment systems
Q & A
- What is the TDA7706M used for?
The TDA7706M is used for high-performance AM/FM car-radio applications, including HD Radio™ reception.
- What are the key components integrated into the TDA7706M?
The TDA7706M integrates mixers and IF amplifiers for AM, FM, and WX, a fully integrated VCO and PLL synthesizer, IF-processing, a stereo-decoder, and an RDS decoder.
- What are the advantages of using digital signal processing in the TDA7706M?
The use of digital signal processing in the TDA7706M results in a low number of external components, small space occupation, easy application, high selectivity due to digital filters, high customization through software control, automatic alignment, and a powerful DSP for custom processing.
- What type of package does the TDA7706M come in?
The TDA7706M comes in an LQFP64 package (10x10x1.4 mm).
- What is the supply voltage for the TDA7706M?
The TDA7706M operates on a single 5 V supply.
- Does the TDA7706M support HD Radio™ reception?
- What interfaces does the TDA7706M support?
The TDA7706M supports I2C bus-controlled and I2S input/output digital audio interfaces.
- Is the TDA7706M RoHS compliant?
- What is the role of the DSP core in the TDA7706M?
The DSP core in the TDA7706M is fully programmable and provides high computational power for custom processing and high customization possibilities through software control.
- How does the TDA7706M handle frequency tuning?
The TDA7706M features a fully integrated VCO for world tuning and a high-performance PLL for fast RDS system.
