Details

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BUY TDA7563B https://www.utsource.net/itm/p/12607788.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	Vcc	Operating	10	-	18	V
Quiescent Current	Iq	Vcc = 14V, no load	-	35	-	mA
Output Power	Pout	THD+N = 1%, 8惟, Vcc = 14V	-	26	-	W
Signal to Noise Ratio	SNR	A-weighted, Vcc = 14V	-	97	-	dB
Total Harmonic Distortion	THD	1kHz, 1W, 8惟, Vcc = 14V	-	0.02	-	%
Input Sensitivity	Vin	For 1W output, 8惟, Vcc = 14V	-	200	-	mV
Volume Control Range	VR	From mute to max gain	-	80	-	dB

Instructions for TDA7563B:

1. Power Supply Connection:

   • Connect the positive terminal of the power supply to pin 7 (Vcc) and the negative terminal to pin 4 (GND).
   • Ensure the supply voltage is within the range of 10V to 18V.

2. Input Signal Connection:

   • Connect the input signal to pin 2 (IN-), with pin 3 (IN+) connected to ground or a reference point.
   • Adjust the input sensitivity according to the desired output level.

3. Output Configuration:

   • Connect the speaker to pins 5 and 6 (OUT+ and OUT-).
   • Ensure the impedance of the speaker is appropriate (typically 8惟).

4. Volume Control:

   • Use a potentiometer connected between pin 1 (VR) and ground to control the volume.
   • The typical range of the volume control is from mute to maximum gain of 80dB.

5. Thermal Management:

   • Ensure adequate heat dissipation by mounting the IC on a heatsink if operating at high power levels.
   • Monitor the temperature to prevent overheating.

6. Protection Circuits:

   • The TDA7563B includes built-in protection against short circuits, thermal overload, and overvoltage.
   • No additional external protection components are typically required.

7. Initial Setup:

   • Before powering up, verify all connections and ensure that the power supply voltage is correct.
   • Gradually increase the volume to check for proper operation and sound quality.

8. Troubleshooting:

   • If no sound is produced, check the input signal and connections.
   • If distortion occurs, reduce the input signal or check for improper power supply voltages.

(For reference only)