Details

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BUY TEA3717 https://www.utsource.net/itm/p/9239425.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	VCC	2.7	3.3	5.5	V	Operating supply voltage range
Quiescent Current	IQ	-	1.6	-	mA	Current consumption in quiescent state
Output Power	POUT	-	10	-	mW	Typical output power
Frequency Range	fRANGE	87	-	108	MHz	FM frequency range
Audio Signal to Noise Ratio	SNR	-	65	-	dB	Signal-to-noise ratio at audio output
Harmonic Distortion	THD	-	0.5	-	%	Total harmonic distortion
Temperature Range	Toper	-40	-	85	°C	Operating temperature range
Antenna Input Impedance	Zin	-	50	-	Ω	Nominal impedance of antenna input

Instructions for TEA3717

1. Power Supply Connection:

   • Connect the VCC pin to a stable power supply within the specified voltage range (2.7V to 5.5V).
   • Ensure a bypass capacitor (e.g., 100nF) is placed close to the VCC pin for stability.

2. Antenna Connection:

   • Connect an appropriate antenna with a characteristic impedance of 50Ω to the ANT pin.
   • Ensure the antenna is properly matched and positioned for optimal performance.

3. Audio Input:

   • Connect the audio signal to the AUDIN pin.
   • The audio level should be adjusted to avoid overdriving the input stage, typically kept below 1Vpp.

4. Frequency Tuning:

   • Use the provided control inputs or external components to set the desired operating frequency within the 87MHz to 108MHz range.
   • Refer to the specific application note for detailed tuning instructions.

5. Output Configuration:

   • Connect the output to the intended receiver or speaker system.
   • Verify that the output power does not exceed the rated limit to prevent damage.

6. Operating Environment:

   • Ensure the device operates within the specified temperature range (-40°C to 85°C).
   • Avoid exposing the device to excessive humidity or corrosive environments.

7. Testing and Troubleshooting:

   • Perform initial testing with minimal load and gradually increase as necessary.
   • Monitor the device's performance and adjust settings as needed to achieve optimal operation.

(For reference only)