Details

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BUY TDA2500 https://www.utsource.net/itm/p/972575.html
SECAM ENCODER

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	Vcc		10		48	V
Quiescent Current	IQ	Vcc = 12V		5		mA
Output Power	POM	RL=4惟, THD=10%		25		W
Efficiency	畏	POM, Vcc = 12V		70		%
Signal-to-Noise Ratio	SNR	A-weighted		90		dB
Total Harmonic Dist.	THD+N	POM, Vcc = 12V		0.1		%
Input Sensitivity	Vin	Vcc = 12V		300		mV
Input Impedance	Zin			47		k惟
Operating Temperature	Topr		-40		85	掳C

Instructions for TDA2500:

1. Power Supply Connection:

   • Connect the positive terminal of the power supply to pin 8 (Vcc) and the negative terminal to pin 4 (GND).

2. Input Signal Connection:

   • Connect the input signal to pin 6 (IN+). Ensure the input signal level is within the specified range to avoid distortion.

3. Speaker Connection:

   • Connect the speaker terminals to pins 1 and 2. The recommended load impedance is 4惟 for optimal performance.

4. Thermal Management:

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

5. Protection Circuits:

   • The TDA2500 includes built-in protection against short circuits, thermal overload, and under-voltage conditions. Verify that these protections are not triggered under normal operating conditions.

6. Layout Considerations:

   • Keep power supply lines as short as possible to reduce noise. Use bypass capacitors close to the Vcc pin to stabilize the power supply.

7. Initial Testing:

   • Before applying full power, test the amplifier with a low-level signal to ensure correct operation and check for any abnormal behavior.

(For reference only)