Details

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BUY TEF6657HN/V102K https://www.utsource.net/itm/p/12610056.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	VDD	3.0	5.0	5.5	V	Operating supply voltage range
Supply Current	IDD	-	26	-	mA	Typical supply current at 5V
Tuning Voltage	VTUNE	0.4	1.8	3.0	V	Range of tuning voltage
IF Output Level	VIF	-	100	-	mVrms	Intermediate frequency output level
AGC Voltage	VAGC	0	1.8	3.0	V	Automatic gain control voltage range
Mute Control Voltage	VMUTE	0	-	3.0	V	Mute control input voltage
Noise Figure	NF	-	7.0	-	dB	Typical noise figure
Image Rejection	IMR	-	50	-	dB	Typical image rejection
Adjacent Channel Rejection	ACR	-	70	-	dB	Typical adjacent channel rejection

Instructions for TEF6657HN/V102K

1. Power Supply:

   • Ensure the supply voltage (VDD) is within the specified range (3.0V to 5.5V).
   • Connect a decoupling capacitor (typically 10nF) close to the power supply pin to stabilize the supply voltage.

2. Tuning:

   • Apply the tuning voltage (VTUNE) within the range of 0.4V to 3.0V to select the desired frequency.
   • Use a variable resistor or DAC to generate the tuning voltage if manual tuning is required.

3. Intermediate Frequency (IF) Output:

   • The IF output level is typically around 100mVrms. Ensure that the load impedance matches the device specifications for optimal performance.

4. Automatic Gain Control (AGC):

   • Adjust the AGC voltage (VAGC) between 0V and 3.0V to control the gain dynamically, improving signal quality under varying conditions.

5. Muting Functionality:

   • Apply a mute control voltage (VMUTE) greater than 0V to activate the mute function. This can be used to disable audio output during unwanted signals or interference.

6. Installation and Handling:

   • Handle with care to avoid static damage. Follow ESD protection guidelines.
   • Ensure proper grounding and shielding to minimize noise and interference.

7. Testing and Troubleshooting:

   • Verify all connections and voltages using a multimeter before powering up.
   • If the device does not perform as expected, check the supply voltage, tuning voltage, and any external components for correct values and connections.

(For reference only)