Details

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BUY TEF6901AH/V3 https://www.utsource.net/itm/p/6525872.html
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Parameter	Description	Value
Product Name	TEF6901AH/V3
Type	FM/AM Radio Receiver IC
Operating Voltage	Supply voltage for the device	Vcc = 2.7V to 5.5V
Frequency Range	Frequency range supported by the receiver	FM: 64 MHz to 108 MHz
Sensitivity	Minimum signal level required for satisfactory reception	FM: -105 dBuV (typical)
Selectivity	Ability to reject adjacent channel interference	FM: 70 dB at ±100 kHz offset
Stereo Separation	Difference in audio levels between left and right channels	> 30 dB at 1 kHz
Audio Output Power	Maximum power output for driving speakers or headphones	10 mW into 32Ω
Signal-to-Noise Ratio	Quality of the received signal relative to background noise	FM: 55 dB
Temperature Range	Operating temperature limits	-40°C to +85°C
Package Type	Physical packaging of the IC	QFN-24
Pin Count	Number of pins on the package	24

Instructions for Use:

1. Power Supply Requirements: Ensure the supply voltage is within the specified range of 2.7V to 5.5V. Use appropriate decoupling capacitors close to the power pins.

2. Antenna Connection: Connect an antenna suitable for the FM frequency band to achieve optimal reception quality.

3. Tuning Control: Implement a tuning mechanism, either through software control or hardware-based potentiometer, to adjust the receiving frequency.

4. Audio Output: Connect external speakers or headphones to the audio output pins. Ensure impedance matching for best performance.

5. Grounding: Maintain a good ground connection and layout to minimize noise and interference.

6. Heat Management: Although the device operates within a wide temperature range, ensure adequate heat dissipation if used in high-temperature environments.

7. Software Integration: If using digital interfaces or advanced features, refer to the detailed application notes provided by the manufacturer for programming and configuration.

8. Testing: After assembly, test the receiver with known signals to verify proper operation and adjust settings as necessary.

(For reference only)