The TEA5767HL is an integrated single-chip electronically tuned FM stereo radio for low-voltage applications with fully integrated Intermediate Frequency (IF) selectivity and demodulation. Manufactured by NXP Semiconductors, this compact radio module is designed for portable audio devices, such as MP3 players, mobile phones, and radios, as well as Hi-Fi systems and other audio electronics that require FM radio functionality.
Key Features
- High Sensitivity: The TEA5767HL offers excellent sensitivity, enabling it to pick up a wide range of FM stations clearly, even in areas with weak signals.
- Low Power Consumption: Designed for battery-operated devices, the chip consumes minimal power, ensuring longer battery life for portable applications.
- Easy Integration: With its I2C-bus control interface, the TEA5767HL can be easily integrated into a variety of electronic systems without the need for extensive radio frequency (RF) knowledge.
- Automatic Frequency Control (AFC): The AFC feature helps to tune in to the center of the station frequency, improving listening experience.
- Search Tuning: The module supports automatic search tuning, simplifying the user interface for radio station selection.
- Programmable De-emphasis: The de-emphasis of 50 µs or 75 µs can be selected to match the FM broadcast standards of different regions.
Technical Specifications
The TEA5767HL operates within a supply voltage range of 2.5V to 5.5V and is available in a compact 32-lead HVQFN package. It covers the standard FM broadcast band from 87.5 MHz to 108 MHz, making it suitable for worldwide FM radio standards. It also features an integrated low-pass filter that mitigates signal distortion, ensuring high-quality audio output.
Applications
Thanks to its versatility and ease of use, the TEA5767HL is ideal for a broad range of applications. It is commonly used in:
- Portable audio devices (MP3 players, portable radios)
- Mobile phones with FM radio functionality
- Car radio systems
- Hi-Fi audio systems
- Alarm clocks and clock radios