Overview
The TDA7708LX64TR, 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 tailored for automotive grade receivers and other applications, offering state-of-the-art performance with a minimal external component count. This makes it ideal for integration into car radios and other radio devices, meeting challenging performance, quality, reliability, and cost requirements.
Key Specifications
| Parameter | Test Condition | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| VCC | Absolute supply voltage | -0.5 | - | 3.6 | V |
| Tstg | Storage temperature | -55 | - | 150 | °C |
| VESD | ESD absolute minimum withstand voltage (Human Body model) | ±2000 | - | - | V |
| IINMAX | Max. input current at any pin (latch-up characteristic) | ±100 | - | - | mA |
| VCC | 3.3 V supply voltage | 3.15 | 3.3 | 3.45 | V |
| ICC | Supply current (FM @108 MHz, active interfaces) | - | - | 350 | mA |
| Tamb | Ambient temperature range | -40 | - | 85 | °C |
| Tj_oper | Operative junction temperature | - | - | 125 | °C |
| Pdiss | Dissipated power (Rext = 12 Ohm) | - | - | 1 | W |
Key Features
- AEC-Q100 qualified
- AM/FM reception with digital IF processing
- Fully automotive grade CMOS design
- AM/FM Band coverage
- Low-IF, DSP-based architecture
- Very high dynamic range built-in IF-ADC
- Minimum external component count
- Very small footprint package (VFQFPN64, 9x9x1 mm)
- Multipath noise mitigation processing
- RDS demodulation with group and block synchronization
- Compatible with HD-Radio™ and DRM
- Digital Audio Output
- Fully RoHS-compliant
Applications
The TDA7708LX64TR is primarily designed for use in automotive grade receivers and other radio devices. It is ideal for car radios and other applications requiring high performance, quality, and reliability. Additionally, it can be used to implement complete HD-Radio™ receiver solutions (with the external STA680 HD-Radio™ decoder) or DRM receivers (paired with the STA660DRM).
Q & A
- What is the TDA7708LX64TR used for?
The TDA7708LX64TR is used as a single-chip AM/FM tuner for receivers in terrestrial radio broadcasting, particularly in automotive grade receivers and other radio devices.
- What are the key features of the TDA7708LX64TR?
Key features include AEC-Q100 qualification, AM/FM reception with digital IF processing, low-IF DSP-based architecture, high dynamic range IF-ADC, and compatibility with HD-Radio™ and DRM.
- What is the operating supply voltage of the TDA7708LX64TR?
The operating supply voltage is 3.3 V, with a range of 3.15 V to 3.45 V.
- What is the maximum operating temperature of the TDA7708LX64TR?
The maximum operating temperature is 85 °C.
- Is the TDA7708LX64TR RoHS-compliant?
Yes, the TDA7708LX64TR is fully RoHS-compliant.
- What package type does the TDA7708LX64TR come in?
The TDA7708LX64TR comes in a VFQFPN64 package (9x9x1 mm).
- Does the TDA7708LX64TR support RDS demodulation?
Yes, it supports RDS demodulation with group and block synchronization.
- Can the TDA7708LX64TR be used for HD-Radio™ and DRM receivers?
Yes, it can be used for both HD-Radio™ and DRM receivers with appropriate external decoders.
- What is the significance of the low external component count in the TDA7708LX64TR?
The low external component count reduces the complexity and cost of the system while maintaining high performance and reliability.
- How does the TDA7708LX64TR mitigate multipath noise?
The TDA7708LX64TR includes multipath noise mitigation processing to improve signal quality.
- Is the TDA7708LX64TR suitable for systems with limited microcontroller code storage?
Yes, it requires a very small FW code for booting, making it suitable for systems with limited microcontroller code storage capability.
