Overview
The TDA7708LX64, 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 particularly suited for automotive grade receivers and other applications requiring high performance, quality, reliability, and cost efficiency. The TDA7708 combines state-of-the-art performance with a minimal external component count, making it ideal for integration into car radios and other radio devices with stringent requirements.
Key Specifications
| Parameter | Test Condition | Min | Typ | 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 |
| Rth j-amb | Thermal resistance junction-to-ambient | - | - | 27 | °C/W | |
| Package | - | - | - | - | 64-VFQFPN (9x9x1.0mm) |
Key Features
- Fully automotive grade CMOS design, AEC-Q100 qualified
- AM/FM reception with digital IF processing and low-IF, DSP-based architecture
- Very high dynamic range built-in IF-ADC
- Minimum external component count
- Very small footprint package (64-VFQFPN, 9x9x1.0mm)
- Multipath noise mitigation processing
- RDS demodulation with group and block synchronization
- Compatible with HD-Radio™ and DRM (with external co-processors)
- Digital Audio Output
- Fully RoHS-compliant
Applications
The TDA7708LX64 is primarily designed for use in automotive radio systems, but it is also suitable for other applications requiring high-quality AM/FM and HD-Radio™ reception. These include:
- Car radios and infotainment systems
- Home and portable radio devices
- Professional radio equipment
- Systems requiring DRM (Digital Radio Mondiale) reception
Q & A
- What is the TDA7708LX64 used for?
The TDA7708LX64 is a single-chip AM/FM tuner used in receivers for terrestrial radio broadcasting, particularly in automotive and other high-performance applications.
- What are the key features of the TDA7708LX64?
Key features include a fully automotive grade CMOS design, AM/FM reception with digital IF processing, low-IF DSP-based architecture, high dynamic range IF-ADC, and minimal external component count.
- What is the operating temperature range of the TDA7708LX64?
The operating temperature range is from -40°C to 85°C.
- Is the TDA7708LX64 compatible with HD-Radio™?
- What package type does the TDA7708LX64 come in?
The TDA7708LX64 comes in a 64-VFQFPN package with dimensions of 9x9x1.0mm.
- Does the TDA7708LX64 support RDS demodulation?
- Is the TDA7708LX64 RoHS-compliant?
- What is the typical supply current of the TDA7708LX64?
The typical supply current is 350 mA at FM @108 MHz with active interfaces and a 10 pF load.
- Does the TDA7708LX64 require significant firmware for operation?
No, it requires a very small firmware code for booting the IC, making it suitable for systems with limited code storage capability.
- What are the thermal characteristics of the TDA7708LX64?
The thermal resistance junction-to-ambient is 27 °C/W.
