Details

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BUY TDA18273HN/C1 https://www.utsource.net/itm/p/7961957.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	VDD	2.7	-	3.6	V	Operating supply voltage range
Standby Current	ISB	-	0.8	-	μA	Current consumption in standby mode
Operating Current	IOP	-	4.5	-	mA	Current consumption in operating mode
Input RF Level	PIN	-10	-	20	dBm	Maximum input RF signal level
Output IF Level	POUT	-	-2	-	dBm	Typical output IF signal level
Image Rejection	IMRJ	-	65	-	dB	Image rejection ratio
Noise Figure	NF	-	6.5	-	dB	Noise figure of the tuner
Adjacent Channel Rejection	ACR	-	60	-	dB	Adjacent channel rejection

Instructions for TDA18273HN/C1:

1. Power Supply:

   • Ensure the supply voltage (VDD) is within the specified range of 2.7V to 3.6V.

2. Standby Mode:

   • To enter standby mode, set the appropriate control pin to low. This reduces power consumption to approximately 0.8 μA.

3. Operating Mode:

   • For normal operation, apply the correct biasing and ensure all necessary signals are present. The device will consume around 4.5 mA.

4. RF Input Handling:

   • The RF input should not exceed 20 dBm to prevent damage or performance degradation. Typical applications may use levels around -10 dBm.

5. Output Signal:

   • The typical output IF level is around -2 dBm. Adjust gain settings as needed for your application.

6. Performance Optimization:

   • For optimal performance, ensure that image rejection and adjacent channel rejection meet or exceed 65 dB and 60 dB, respectively. This minimizes interference from unwanted signals.

7. Installation and Connections:

   • Follow the recommended PCB layout guidelines provided by the manufacturer to ensure proper grounding and minimize noise.

8. Handling Precautions:

   • Handle with care to avoid ESD damage. Use proper anti-static precautions when installing or handling the component.

9. Testing:

   • Verify all connections and settings before applying power. Test the device under controlled conditions to ensure it meets the expected performance parameters.

(For reference only)