Details

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BUY TDA7263M https://www.utsource.net/itm/p/1148018.html
12 +12W Stereo Amplifier with Muting12+12W

Parameter	Symbol	Min	Typical	Max	Unit
Supply Voltage	Vcc	4.5	-	18	V
Quiescent Current	IQ	-	10	-	mA
Output Power (Vcc=18V)	Po	-	2.5	-	W
Total Harmonic Distortion	THD+N	-	0.5	-	%
Signal-to-Noise Ratio	SNR	-	90	-	dB
Input Sensitivity	Vi	-	500	-	mV
Input Impedance	Zin	-	47	-	kΩ
Output Impedance	Zout	-	0.4	-	Ω
Operating Temperature	Topr	-40	-	85	°C
Storage Temperature	Tstg	-40	-	125	°C

Instructions for Using TDA7263M

1. Power Supply:

   • Ensure the supply voltage (Vcc) is within the range of 4.5V to 18V.
   • Use a stable power source to avoid fluctuations that could affect performance.

2. Quiescent Current:

   • The quiescent current is typically around 10mA. Ensure your power supply can handle this current draw.

3. Output Power:

   • The TDA7263M can deliver up to 2.5W of output power when supplied with 18V. Adjust the load impedance to match the desired output level.

4. Total Harmonic Distortion (THD+N):

   • The typical THD+N is 0.5%. To minimize distortion, ensure proper heat dissipation and use high-quality components in the circuit.

5. Signal-to-Noise Ratio (SNR):

   • The SNR is typically 90dB. This indicates a good signal quality. Use shielded cables and proper grounding to maintain this ratio.

6. Input Sensitivity:

   • The input sensitivity is 500mV. Ensure the input signal level is appropriate to avoid clipping or under-driving the amplifier.

7. Input Impedance:

   • The input impedance is 47kΩ. This high impedance allows for easy connection to various signal sources without significant loading.

8. Output Impedance:

   • The output impedance is 0.4Ω. Match this with the load impedance for optimal performance.

9. Operating Temperature:

   • The operating temperature range is from -40°C to 85°C. Ensure the device is used within this range to avoid thermal damage.

10. Storage Temperature:

    • The storage temperature range is from -40°C to 125°C. Store the device in a dry, cool place to prevent damage.

11. Heat Dissipation:

    • For continuous operation at high power levels, ensure adequate heat dissipation by using a heatsink or providing sufficient airflow.

12. PCB Layout:

    • Follow recommended PCB layout guidelines to minimize noise and ensure stable operation. Keep signal paths short and use ground planes effectively.

13. Capacitors and Resistors:

    • Use high-quality capacitors and resistors in the circuit to ensure reliability and performance. Follow the datasheet recommendations for component values.

14. Protection Circuits:

    • Consider adding protection circuits such as overvoltage and short-circuit protection to safeguard the amplifier and connected components.

By following these instructions, you can ensure optimal performance and longevity of the TDA7263M amplifier.

(For reference only)