Overview
The TDA7708CB, produced by STMicroelectronics, is a single-chip, fully-CMOS AM/FM tuner designed for receivers in terrestrial radio broadcasting. This integrated and optimized RF tuner is specifically tailored for automotive grade receivers and other applications, offering state-of-the-art performance with a minimal external component count. The TDA7708CB supports AM/FM reception, as well as HD-Radio™ and Digital Radio Mondiale (DRM) with the aid of external co-processors like the STA680 and STA660DRM, respectively. Its compact 64-pin VFQFPN package and low power consumption make it ideal for integration into car radios and other radio devices, ensuring high performance, quality, reliability, and cost efficiency.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| VCC (Supply Voltage) | - | 3.15 | 3.45 | V |
| ICC (Supply Current) @ FM 108 MHz | - | - | 350 | mA |
| Tamb (Ambient Temperature Range) | -40 | - | 85 | °C |
| Tj_oper (Operative Junction Temperature) | - | - | 125 | °C |
| Pdiss (Dissipated Power) @ Rext = 12 Ohm | - | - | 1 | W |
| Package | - | - | VFQFPN-64 (9x9x1 mm) | - |
Key Features
- AEC-Q100 Qualified: Meets the stringent requirements of the AEC-Q100 standard for automotive applications, ensuring reliability and performance in harsh environments.
- AM/FM Reception with Digital IF Processing: Supports both AM and FM reception with enhanced signal quality through digital IF processing.
- Fully Automotive Grade CMOS Design: Designed to operate flawlessly in the challenging automotive environment.
- Low-IF, DSP-Based Architecture: Employs a Low-IF architecture combined with Digital Signal Processing (DSP) techniques to enhance selectivity and minimize interference.
- Very High Dynamic Range Built-in IF-ADC: Includes a built-in IF Analog-to-Digital Converter (ADC) with an exceptional dynamic range for accurate signal digitization.
- Minimum External Component Count: Requires minimal external components, simplifying design and reducing system complexity.
- Very Small Footprint Package: Compact 64-pin VFQFPN package for easy integration and board space savings.
- Multipath Noise Mitigation Processing: Advanced processing algorithms to mitigate noise and distortion caused by signal reflections and multipath propagation.
- RDS Demodulation with Group and Block Synchronization: Ensures accurate reception of Radio Data System (RDS) signals with group and block synchronization.
- Compatible with HD-Radio™ and DRM: Works seamlessly with HD Radio™ and Digital Radio Mondiale (DRM) systems.
- Digital Audio Output: Provides digital audio output for pristine and interference-free audio signal transmission.
- Fully RoHS-Compliant: Complies with the Restriction of Hazardous Substances (RoHS) directive, ensuring environmental responsibility and safety.
Applications
- Car Radios: Serves as the heart of radio tuning and signal processing functions in car radio receivers, ensuring reliable and high-quality AM and FM radio broadcasts.
- Automotive Entertainment Systems: Plays a pivotal role in sophisticated automotive entertainment systems, contributing to a comprehensive infotainment experience.
- Aftermarket Car Audio Systems: Elevates radio reception quality when integrated into aftermarket car audio systems, allowing users to enjoy their favorite radio stations with enhanced clarity and precision.
- Automotive Infotainment: Contributes to advanced automotive infotainment solutions, integrating with other features like navigation, connectivity, and multimedia playback.
- Customized Audio Profiles: Allows for precise adjustments and customization of audio parameters, enabling users to create personalized soundscapes.
- Wireless Audio Streaming: Facilitates wireless audio streaming within the automotive context, ensuring high-quality audio content reception and processing.
Q & A
- What is the TDA7708CB used for?
The TDA7708CB is used as a single-chip AM/FM tuner for receivers in terrestrial radio broadcasting, particularly in automotive applications.
- What certifications does the TDA7708CB hold?
The TDA7708CB is AEC-Q100 qualified and fully RoHS-compliant.
- What is the operating temperature range of the TDA7708CB?
The operating temperature range is from -40°C to 85°C.
- What package type does the TDA7708CB come in?
The TDA7708CB comes in a 64-pin VFQFPN package (9x9x1 mm).
- Does the TDA7708CB support HD-Radio™ and DRM?
Yes, it is compatible with both HD-Radio™ and Digital Radio Mondiale (DRM) systems.
- What is the maximum supply current of the TDA7708CB?
The maximum supply current is 350 mA at FM 108 MHz.
- How does the TDA7708CB mitigate multipath noise?
The TDA7708CB includes advanced processing algorithms for multipath noise mitigation.
- Does the TDA7708CB support RDS demodulation?
Yes, it supports RDS demodulation with group and block synchronization.
- What is the significance of the low external component count in the TDA7708CB?
The low external component count simplifies design, reduces system complexity, and saves valuable board space.
- Can the TDA7708CB be used in aftermarket car audio systems?
Yes, it can be used to elevate radio reception quality in aftermarket car audio systems.
