Low-power FM stereo radio for handheld applications The TEA5768HL is a single-chip FM stereo radio module manufactured by PHILIPS (now NXP Semiconductors). Below are its key specifications, descriptions, and features:
### **Specifications:**
1. **Frequency Range:** 76–108 MHz (covers Japan, Europe, and US bands).
2. **Supply Voltage:** 2.5V to 5V (low-voltage operation).
3. **Current Consumption:** ~10 mA (typical).
4. **Sensitivity:** ≤ 2 μV (for 26 dB S/N ratio).
5. **Signal-to-Noise Ratio (SNR):** ≥ 60 dB (mono).
6. **Stereo Separation:** ≥ 30 dB.
7. **IF Frequency:** 225 kHz (low-IF architecture).
8. **Tuning Step:** Configurable (50 kHz, 100 kHz, or 200 kHz).
9. **Interface:** I²C-bus control (supports up to 400 kHz).
10. **Package:** 32-pin HVQFN (5x5 mm).
### **Descriptions:**
- The TEA5768HL is a fully integrated FM radio receiver with an on-chip synthesizer, IF selectivity, and MPX decoder.
- It supports both mono and stereo output with automatic switching.
- The module includes an advanced digital automatic gain control (AGC) and soft mute function.
- It is designed for portable applications like smartphones, MP3 players, and car radios.
### **Features:**
1. **Low Power Consumption:** Optimized for battery-operated devices.
2. **No External Components Needed:** Requires minimal external circuitry (only a few passive components).
3. **Digital Tuning:** Precise frequency control via I²C.
4. **Automatic Frequency Control (AFC):** Maintains stable reception.
5. **Search Tuning:** Supports automatic station search.
6. **Standby Mode:** Reduces power consumption when inactive.
7. **Integrated Audio Output:** Directly drives headphones or line-level outputs.
This information is based solely on the manufacturer's datasheet and technical documentation.
