Details

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BUY TDA9820T https://www.utsource.net/itm/p/870123.html
Multistandard/dual channel TV FM intercarrier sound demodulator

Parameter	Description	Value/Range	Unit
Supply Voltage	Operating voltage range for the device	10.8 to 16.8	V
Standby Current	Current consumption in standby mode	20	mA
Operating Temperature	Temperature range within which the device operates correctly	-40 to +85	掳C
Output Power	Maximum output power	7	W
Signal-to-Noise Ratio	Ratio of signal power to noise power	70	dB
Total Harmonic Distortion	Level of harmonic distortion present in the output	0.05% (at 1kHz, Po=1W)	%
Channels	Number of audio channels supported	2
Package Type	Type of package	DIP/SOP

Instructions for TDA9820T

1. Power Supply Connection:

   • Connect the positive terminal of the power supply to pin 8 and the negative terminal to pin 4.
   • Ensure the supply voltage is within the specified range of 10.8V to 16.8V.

2. Input Connection:

   • Connect the left and right input signals to pins 2 and 3 respectively.
   • Use appropriate decoupling capacitors to filter out any noise from the input signals.

3. Output Connection:

   • Connect the speaker terminals to pins 5 and 6 for the left channel and pins 7 and 8 for the right channel.
   • Ensure that the impedance of the speakers matches the recommended load impedance.

4. Standby Mode:

   • To put the device into standby mode, apply a logic low signal to the standby control pin (pin 1).
   • In normal operation, apply a logic high signal to this pin.

5. Heat Dissipation:

   • Ensure adequate heat dissipation by mounting the device on a heatsink if operating at higher power levels or in high ambient temperatures.

6. Protection Circuits:

   • The device includes built-in protection against short circuits and thermal overload. However, it is advisable to design the system with additional protective measures as necessary.

7. Installation and Handling:

   • Handle the device with care to avoid damage to the pins and internal components.
   • Follow standard ESD precautions when handling the device.

For detailed specifications and further information, refer to the official datasheet provided by the manufacturer.

(For reference only)