Details

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BUY TDA7088 https://www.utsource.net/itm/p/11630660.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	Vcc		4.5	5.0	5.5	V
Standby Current	Icc(SB)	Vcc = 5V		1.0		mA
Operating Current	Icc(OP)	Vcc = 5V		30		mA
Output Power	Pout	RL = 8Ω, Vcc=5V		2.5		W
Signal-to-Noise Ratio	SNR	A-weighted		70		dB
Total Harmonic Distortion	THD	Po = 1W, f = 1kHz		0.1		%
Input Sensitivity	Vi	Po = 1W		200		mV
Input Impedance	Zi			47		kΩ

Instructions for TDA7088:

1. Power Supply Connection:

   • Connect the supply voltage (Vcc) to pin 8 and ground (GND) to pin 4.
   • Ensure the supply voltage is within the specified range of 4.5V to 5.5V.

2. Input Connection:

   • Connect the audio input signal to pins 1 and 2.
   • Use a capacitor in series with the input if necessary to block DC components.

3. Output Configuration:

   • Connect the speaker or load to pins 5 and 6.
   • Ensure the load resistance (RL) is appropriate for the desired output power.

4. Standby Mode:

   • To enter standby mode, connect pin 3 to ground.
   • In normal operation, leave pin 3 open or apply a logic high.

5. Decoupling Capacitors:

   • Place a 10μF electrolytic capacitor between Vcc and GND close to the IC to stabilize the power supply.
   • Optionally, use a 0.1μF ceramic capacitor for high-frequency noise suppression.

6. Thermal Considerations:

   • Ensure adequate heat dissipation, especially when operating at higher output powers.
   • Mount the IC on a heatsink if necessary.

7. Protection Circuits:

   • Implement protection circuits such as fuses and diodes to safeguard against overcurrent and reverse polarity.

8. Layout Recommendations:

   • Keep signal paths short and direct to minimize noise and interference.
   • Maintain good grounding practices to ensure stable operation.

(For reference only)