Details

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BUY TDA4863 https://www.utsource.net/itm/p/11261521.html
IC PFC CONTROLLER DCM 8DIP

Parameter	Symbol	Min	Typ	Max	Unit	Notes
Supply Voltage	VCC	11	-	28	V
Quiescent Current	IQ	-	5	7	mA	Per channel, at VCC = 13V, TA = 25°C
Output Power (8Ω)	POUT	-	20	-	W	Both channels driven, THD+N = 1%, VCC = 13V, TA = 25°C
Total Harmonic Distortion	THD+N	-	0.05	0.1	%	At 1kHz, VCC = 13V, TA = 25°C
Signal-to-Noise Ratio	SNR	-	95	-	dB	A-weighted, VCC = 13V, TA = 25°C
Input Sensitivity	VIN	-	400	-	mV	For 1W output into 8Ω, VCC = 13V, TA = 25°C
Input Impedance	ZIN	-	47	-	kΩ	Line input, balanced or unbalanced
Operating Temperature	TA	-40	-	85	°C	Ambient temperature range
Storage Temperature	TSTG	-40	-	125	°C	Storage temperature range

Instructions for Use:

1. Power Supply:

   • Ensure the supply voltage is within the specified range (11V to 28V).
   • Use a stable power source to avoid fluctuations that could affect performance.

2. Installation:

   • Mount the TDA4863 on a heatsink if operating at high power levels to ensure proper heat dissipation.
   • Follow the recommended PCB layout guidelines to minimize noise and interference.

3. Input Connection:

   • Connect the input signals to the appropriate pins (IN1, IN2) using shielded cables to reduce noise.
   • The input impedance is 47kΩ, suitable for line-level sources.

4. Output Connection:

   • Connect the output to 8Ω speakers or compatible loads.
   • Ensure the speaker wires are properly insulated and of sufficient gauge to handle the current.

5. Biasing:

   • The TDA4863 is self-biased and does not require external biasing components under normal operating conditions.

6. Protection:

   • The device includes internal protection circuits for thermal and short-circuit protection.
   • Do not exceed the maximum ratings to avoid damage.

7. Testing:

   • Before connecting to speakers, test the amplifier with a low-power load or a dummy load to ensure it is functioning correctly.
   • Use an oscilloscope to monitor the output signal and check for any distortion or clipping.

8. Troubleshooting:

   • If the amplifier does not produce sound, check the power supply, input connections, and speaker connections.
   • If there is excessive distortion, verify the input signal level and ensure the power supply is stable.

By following these parameters and instructions, you can ensure optimal performance and reliability of the TDA4863 audio amplifier.

(For reference only)