Overview
The STMicroelectronics TDA7708L is a highly integrated, single-chip AM/FM tuner designed for terrestrial radio broadcasting, particularly in automotive and other demanding applications. This device is built using fully automotive-grade CMOS technology and is AEC-Q100 qualified, ensuring high reliability and performance. It supports AM/FM reception with digital IF processing and is compatible with HD-Radio™ and DRM (Digital Radio Mondiale) when paired with external co-processors like the STA680 and STA660DRM, respectively.
Key Specifications
| Parameter | Test Condition | Min | Max | Units | |
|---|---|---|---|---|---|
| VCC (Supply Voltage) | - | 3.15 | 3.3 | 3.45 | V |
| ICC (Supply Current) | FM @108 MHz, active interfaces (10 pF load) | - | - | 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 | - | - | - | VFQFPN64 (9x9x1 mm) | - |
Key Features
- AEC-Q100 qualified for automotive applications.
- AM/FM reception with digital IF processing.
- Fully automotive-grade CMOS design.
- Low-IF, DSP-based architecture.
- Very high dynamic range built-in IF-ADC.
- Minimum external component count.
- Very small footprint package (VFQFPN64).
- Multipath noise mitigation processing.
- RDS demodulation with group and block synchronization.
- Compatible with HD-Radio™ and DRM.
- Digital Audio Output via I2S interface.
- Fully RoHS-compliant.
Applications
The TDA7708L is ideal for integration into car radios and other radio devices that require high performance, quality, reliability, and cost-effectiveness. It is particularly suited for:
- Automotive infotainment systems.
- HD-Radio™ and DRM receivers.
- Terrestrial radio broadcasting receivers.
- Other applications requiring robust AM/FM reception.
Q & A
- What is the TDA7708L used for?
The TDA7708L is a single-chip AM/FM tuner used for terrestrial radio broadcasting, particularly in automotive and other demanding applications.
- What are the key features of the TDA7708L?
Key features include AEC-Q100 qualification, AM/FM reception with digital IF processing, low-IF DSP-based architecture, high dynamic range ADC, and minimal external component count.
- What is the operating temperature range of the TDA7708L?
The operating temperature range is from -40°C to 85°C.
- Is the TDA7708L compatible with HD-Radio™ and DRM?
- What is the package type of the TDA7708L?
The package type is VFQFPN64 (9x9x1 mm).
- Is the TDA7708L RoHS-compliant?
- What interfaces does the TDA7708L support?
The TDA7708L supports I2C, I2S, SPI, and VICS interfaces.
- How does the TDA7708L mitigate multipath noise?
The TDA7708L includes multipath noise mitigation processing as part of its DSP-based architecture.
- What is the maximum supply current of the TDA7708L?
The maximum supply current is 350 mA at FM @108 MHz with active interfaces (10 pF load).
- Is the TDA7708L suitable for systems with limited code storage capability?
