Details

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BUY TDA7388 https://www.utsource.net/itm/p/12591179.html

Parameter	Description	Value	Unit
Supply Voltage (VCC)	Operating supply voltage range	4.5 to 18	V
Quiescent Current (Iq)	Typical quiescent current at no load	20	mA
Output Power (POM)	Maximum output power into 8Ω load	1 x 50	W
Frequency Response	Flat frequency response	20 to 20,000	Hz
Signal-to-Noise Ratio (SNR)	Typical signal-to-noise ratio	90	dB
Total Harmonic Distortion (THD)	Typical total harmonic distortion at 1kHz, 1W	0.01	%
Input Sensitivity	Typical input sensitivity for rated output	200	mV
Input Impedance	Typical input impedance	47	kΩ
Protection Features	Overload protection	Thermal, Short-circuit, Overvoltage	-
Operating Temperature Range	Recommended operating temperature	-40 to 85	°C
Package Type	IC package type	SOIC-16	-

Instructions for Using TDA7388

1. Power Supply Connection:

   • Connect the positive terminal of the power supply to VCC (pin 16).
   • Connect the negative terminal of the power supply to GND (pin 8).

2. Input Signal Connection:

   • Connect the audio input signal to the IN+ (pin 1) and IN- (pin 2) pins.
   • Ensure the input signal level is within the recommended range to avoid distortion.

3. Output Connection:

   • Connect the speaker to the OUT (pin 14) and GND (pin 8) pins.
   • Use a suitable capacitor (e.g., 100 μF) in series with the speaker to block any DC components.

4. Grounding:

   • Ensure a common ground connection between the power supply, input source, and output load.

5. Decoupling Capacitors:

   • Place a 10 μF electrolytic capacitor between VCC and GND close to the IC to filter out any noise from the power supply.
   • Add a 0.1 μF ceramic capacitor between VCC and GND near the IC for high-frequency noise suppression.

6. Thermal Management:

   • The TDA7388 has built-in thermal protection, but ensure adequate heat dissipation by mounting it on a heatsink if operating at high power levels.

7. Protection Circuits:

   • The IC includes thermal, short-circuit, and overvoltage protection. However, it is advisable to use external fuses and diodes for additional safety.

8. Operating Temperature:

   • Operate the IC within the recommended temperature range to ensure reliable performance and longevity.

9. Storage and Handling:

   • Store the IC in a dry environment and handle with care to avoid static damage.

10. Testing:

    • Before final assembly, test the IC with a simple setup to verify its functionality and performance.

By following these instructions, you can ensure optimal performance and reliability of the TDA7388 amplifier.

(For reference only)